support filtering transactions in import transaction dialog

.eslintrc.js

@@ -8,6 +8,9 @@ module.exports = {
         'plugin:vue/vue3-essential'
     ],
     'rules': {
-        'vue/no-use-v-if-with-v-for': 'off'
+        'vue/no-use-v-if-with-v-for': 'off',
+        'vue/valid-v-slot': ['error', {
+            allowModifiers: true,
+        }]
     }
 }

Dockerfile

@@ -1,5 +1,5 @@
 # Build backend binary file
-FROM golang:1.21.12-alpine3.20 AS be-builder
+FROM golang:1.22.8-alpine3.20 AS be-builder
 ARG RELEASE_BUILD
 ENV RELEASE_BUILD=$RELEASE_BUILD
 WORKDIR /go/src/github.com/mayswind/ezbookkeeping
@@ -9,7 +9,7 @@ RUN apk add git gcc g++ libc-dev
 RUN ./build.sh backend
 
 # Build frontend files
-FROM --platform=$BUILDPLATFORM node:18.20.3-alpine3.20 AS fe-builder
+FROM --platform=$BUILDPLATFORM node:20.18.0-alpine3.20 AS fe-builder
 ARG RELEASE_BUILD
 ENV RELEASE_BUILD=$RELEASE_BUILD
 WORKDIR /go/src/github.com/mayswind/ezbookkeeping
@@ -19,7 +19,7 @@ RUN apk add git
 RUN ./build.sh frontend
 
 # Package docker image
-FROM alpine:3.20.1
+FROM alpine:3.20.3
 LABEL maintainer="MaysWind <i@mayswind.net>"
 RUN addgroup -S -g 1000 ezbookkeeping && adduser -S -G ezbookkeeping -u 1000 ezbookkeeping
 RUN apk --no-cache add tzdata

README.md

@@ -31,7 +31,7 @@ Online Demo: [https://ezbookkeeping-demo.mayswind.net](https://ezbookkeeping-dem
 7. Multi-language support
 8. Two-factor authentication
 9. Application lock (PIN code / WebAuthn)
-10. Data export
+10. Data import & export
 
 ## Screenshots
 ### Desktop Version

cmd/base.go

@@ -0,0 +1,14 @@
+package cmd
+
+import (
+	"github.com/urfave/cli/v2"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+)
+
+func bindAction(fn core.CliHandlerFunc) cli.ActionFunc {
+	return func(cliCtx *cli.Context) error {
+		c := core.WrapCilContext(cliCtx)
+		return fn(c)
+	}
+}

cmd/cron_jobs.go

@@ -0,0 +1,100 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/urfave/cli/v2"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/cron"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+)
+
+// CronJobs represents the cron command
+var CronJobs = &cli.Command{
+	Name:  "cron",
+	Usage: "ezBookkeeping cron job utilities",
+	Subcommands: []*cli.Command{
+		{
+			Name:   "list",
+			Usage:  "List all enabled cron jobs",
+			Action: bindAction(listAllCronJobs),
+		},
+		{
+			Name:   "run",
+			Usage:  "Run specified cron job",
+			Action: bindAction(runCronJob),
+			Flags: []cli.Flag{
+				&cli.StringFlag{
+					Name:     "name",
+					Aliases:  []string{"n"},
+					Required: true,
+					Usage:    "Cron job name",
+				},
+			},
+		},
+	},
+}
+
+func listAllCronJobs(c *core.CliContext) error {
+	config, err := initializeSystem(c)
+
+	if err != nil {
+		return err
+	}
+
+	err = cron.InitializeCronJobSchedulerContainer(c, config, false)
+
+	if err != nil {
+		log.CliErrorf(c, "[cron_jobs.listAllCronJobs] initializes cron job scheduler failed, because %s", err.Error())
+		return err
+	}
+
+	cronJobs := cron.Container.GetAllJobs()
+
+	if len(cronJobs) < 1 {
+		log.CliErrorf(c, "[cron_jobs.listAllCronJobs] there are no enabled cron jobs")
+		return err
+	}
+
+	for i := 0; i < len(cronJobs); i++ {
+		if i > 0 {
+			fmt.Printf("---\n")
+		}
+
+		cronJob := cronJobs[i]
+
+		fmt.Printf("[Name] %s\n", cronJob.Name)
+		fmt.Printf("[Description] %s\n", cronJob.Description)
+		fmt.Printf("[Interval] Every %s\n", cronJob.Period.GetInterval())
+	}
+
+	return nil
+}
+
+func runCronJob(c *core.CliContext) error {
+	config, err := initializeSystem(c)
+
+	if err != nil {
+		return err
+	}
+
+	err = cron.InitializeCronJobSchedulerContainer(c, config, false)
+
+	if err != nil {
+		log.CliErrorf(c, "[cron_jobs.runCronJob] initializes cron job scheduler failed, because %s", err.Error())
+		return err
+	}
+
+	jobName := c.String("name")
+	err = cron.Container.SyncRunJobNow(jobName)
+
+	if err != nil {
+		log.CliErrorf(c, "[cron_jobs.runCronJob] failed to run cron job \"%s\", because %s", jobName, err.Error())
+		return err
+	}
+
+	log.CliInfof(c, "[cron_jobs.runCronJob] run cron job \"%s\" successfully", jobName)
+
+	return nil
+}

cmd/database.go

@@ -3,6 +3,7 @@ package cmd
 import (
 	"github.com/urfave/cli/v2"
 
+	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/datastore"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
 	"github.com/mayswind/ezbookkeeping/pkg/models"
@@ -16,32 +17,32 @@ var Database = &cli.Command{
 		{
 			Name:   "update",
 			Usage:  "Update database structure",
-			Action: updateDatabaseStructure,
+			Action: bindAction(updateDatabaseStructure),
 		},
 	},
 }
 
-func updateDatabaseStructure(c *cli.Context) error {
+func updateDatabaseStructure(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
 		return err
 	}
 
-	log.BootInfof("[database.updateDatabaseStructure] starting maintaining")
+	log.CliInfof(c, "[database.updateDatabaseStructure] starting maintaining")
 
-	err = updateAllDatabaseTablesStructure()
+	err = updateAllDatabaseTablesStructure(c)
 
 	if err != nil {
-		log.BootErrorf("[database.updateDatabaseStructure] update database table structure failed, because %s", err.Error())
+		log.CliErrorf(c, "[database.updateDatabaseStructure] update database table structure failed, because %s", err.Error())
 		return err
 	}
 
-	log.BootInfof("[database.updateDatabaseStructure] all tables maintained successfully")
+	log.CliInfof(c, "[database.updateDatabaseStructure] all tables maintained successfully")
 	return nil
 }
 
-func updateAllDatabaseTablesStructure() error {
+func updateAllDatabaseTablesStructure(c *core.CliContext) error {
 	var err error
 
 	err = datastore.Container.UserStore.SyncStructs(new(models.User))
@@ -50,7 +51,7 @@ func updateAllDatabaseTablesStructure() error {
 		return err
 	}
 
-	log.BootInfof("[database.updateAllDatabaseTablesStructure] user table maintained successfully")
+	log.BootInfof(c, "[database.updateAllDatabaseTablesStructure] user table maintained successfully")
 
 	err = datastore.Container.UserStore.SyncStructs(new(models.TwoFactor))
 
@@ -58,7 +59,7 @@ func updateAllDatabaseTablesStructure() error {
 		return err
 	}
 
-	log.BootInfof("[database.updateAllDatabaseTablesStructure] two-factor table maintained successfully")
+	log.BootInfof(c, "[database.updateAllDatabaseTablesStructure] two-factor table maintained successfully")
 
 	err = datastore.Container.UserStore.SyncStructs(new(models.TwoFactorRecoveryCode))
 
@@ -66,7 +67,7 @@ func updateAllDatabaseTablesStructure() error {
 		return err
 	}
 
-	log.BootInfof("[database.updateAllDatabaseTablesStructure] two-factor recovery code table maintained successfully")
+	log.BootInfof(c, "[database.updateAllDatabaseTablesStructure] two-factor recovery code table maintained successfully")
 
 	err = datastore.Container.TokenStore.SyncStructs(new(models.TokenRecord))
 
@@ -74,7 +75,7 @@ func updateAllDatabaseTablesStructure() error {
 		return err
 	}
 
-	log.BootInfof("[database.updateAllDatabaseTablesStructure] token record table maintained successfully")
+	log.BootInfof(c, "[database.updateAllDatabaseTablesStructure] token record table maintained successfully")
 
 	err = datastore.Container.UserDataStore.SyncStructs(new(models.Account))
 
@@ -82,7 +83,7 @@ func updateAllDatabaseTablesStructure() error {
 		return err
 	}
 
-	log.BootInfof("[database.updateAllDatabaseTablesStructure] account table maintained successfully")
+	log.BootInfof(c, "[database.updateAllDatabaseTablesStructure] account table maintained successfully")
 
 	err = datastore.Container.UserDataStore.SyncStructs(new(models.Transaction))
 
@@ -90,7 +91,7 @@ func updateAllDatabaseTablesStructure() error {
 		return err
 	}
 
-	log.BootInfof("[database.updateAllDatabaseTablesStructure] transaction table maintained successfully")
+	log.BootInfof(c, "[database.updateAllDatabaseTablesStructure] transaction table maintained successfully")
 
 	err = datastore.Container.UserDataStore.SyncStructs(new(models.TransactionCategory))
 
@@ -98,7 +99,7 @@ func updateAllDatabaseTablesStructure() error {
 		return err
 	}
 
-	log.BootInfof("[database.updateAllDatabaseTablesStructure] transaction category table maintained successfully")
+	log.BootInfof(c, "[database.updateAllDatabaseTablesStructure] transaction category table maintained successfully")
 
 	err = datastore.Container.UserDataStore.SyncStructs(new(models.TransactionTag))
 
@@ -106,7 +107,7 @@ func updateAllDatabaseTablesStructure() error {
 		return err
 	}
 
-	log.BootInfof("[database.updateAllDatabaseTablesStructure] transaction tag table maintained successfully")
+	log.BootInfof(c, "[database.updateAllDatabaseTablesStructure] transaction tag table maintained successfully")
 
 	err = datastore.Container.UserDataStore.SyncStructs(new(models.TransactionTagIndex))
 
@@ -114,7 +115,7 @@ func updateAllDatabaseTablesStructure() error {
 		return err
 	}
 
-	log.BootInfof("[database.updateAllDatabaseTablesStructure] transaction tag index table maintained successfully")
+	log.BootInfof(c, "[database.updateAllDatabaseTablesStructure] transaction tag index table maintained successfully")
 
 	err = datastore.Container.UserDataStore.SyncStructs(new(models.TransactionTemplate))
 
@@ -122,7 +123,15 @@ func updateAllDatabaseTablesStructure() error {
 		return err
 	}
 
-	log.BootInfof("[database.updateAllDatabaseTablesStructure] transaction template table maintained successfully")
+	log.BootInfof(c, "[database.updateAllDatabaseTablesStructure] transaction template table maintained successfully")
+
+	err = datastore.Container.UserDataStore.SyncStructs(new(models.TransactionPictureInfo))
+
+	if err != nil {
+		return err
+	}
+
+	log.BootInfof(c, "[database.updateAllDatabaseTablesStructure] transaction picture table maintained successfully")
 
 	return nil
 }

cmd/initializer.go

@@ -4,8 +4,8 @@ import (
 	"encoding/json"
 	"os"
 
-	"github.com/urfave/cli/v2"
-
+	"github.com/mayswind/ezbookkeeping/pkg/avatars"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/datastore"
 	"github.com/mayswind/ezbookkeeping/pkg/duplicatechecker"
 	"github.com/mayswind/ezbookkeeping/pkg/exchangerates"
@@ -17,7 +17,7 @@ import (
 	"github.com/mayswind/ezbookkeeping/pkg/uuid"
 )
 
-func initializeSystem(c *cli.Context) (*settings.Config, error) {
+func initializeSystem(c *core.CliContext) (*settings.Config, error) {
 	var err error
 	configFilePath := c.String("conf-path")
 	isDisableBootLog := c.Bool("no-boot-log")
@@ -25,26 +25,26 @@ func initializeSystem(c *cli.Context) (*settings.Config, error) {
 	if configFilePath != "" {
 		if _, err = os.Stat(configFilePath); err != nil {
 			if !isDisableBootLog {
-				log.BootErrorf("[initializer.initializeSystem] cannot load configuration from custom config path %s, because file not exists", configFilePath)
+				log.BootErrorf(c, "[initializer.initializeSystem] cannot load configuration from custom config path %s, because file not exists", configFilePath)
 			}
 			return nil, err
 		}
 
 		if !isDisableBootLog {
-			log.BootInfof("[initializer.initializeSystem] will loading configuration from custom config path %s", configFilePath)
+			log.BootInfof(c, "[initializer.initializeSystem] will loading configuration from custom config path %s", configFilePath)
 		}
 	} else {
 		configFilePath, err = settings.GetDefaultConfigFilePath()
 
 		if err != nil {
 			if !isDisableBootLog {
-				log.BootErrorf("[initializer.initializeSystem] cannot get default configuration path, because %s", err.Error())
+				log.BootErrorf(c, "[initializer.initializeSystem] cannot get default configuration path, because %s", err.Error())
 			}
 			return nil, err
 		}
 
 		if !isDisableBootLog {
-			log.BootInfof("[initializer.initializeSystem] will load configuration from default config path %s", configFilePath)
+			log.BootInfof(c, "[initializer.initializeSystem] will load configuration from default config path %s", configFilePath)
 		}
 	}
 
@@ -52,13 +52,13 @@ func initializeSystem(c *cli.Context) (*settings.Config, error) {
 
 	if err != nil {
 		if !isDisableBootLog {
-			log.BootErrorf("[initializer.initializeSystem] cannot load configuration, because %s", err.Error())
+			log.BootErrorf(c, "[initializer.initializeSystem] cannot load configuration, because %s", err.Error())
 		}
 		return nil, err
 	}
 
 	if config.SecretKeyNoSet {
-		log.BootWarnf("[initializer.initializeSystem] \"secret_key\" in config file is not set, please change it to keep your user data safe")
+		log.BootWarnf(c, "[initializer.initializeSystem] \"secret_key\" in config file is not set, please change it to keep your user data safe")
 	}
 
 	settings.SetCurrentConfig(config)
@@ -67,7 +67,7 @@ func initializeSystem(c *cli.Context) (*settings.Config, error) {
 
 	if err != nil {
 		if !isDisableBootLog {
-			log.BootErrorf("[initializer.initializeSystem] initializes data store failed, because %s", err.Error())
+			log.BootErrorf(c, "[initializer.initializeSystem] initializes data store failed, because %s", err.Error())
 		}
 		return nil, err
 	}
@@ -76,7 +76,7 @@ func initializeSystem(c *cli.Context) (*settings.Config, error) {
 
 	if err != nil {
 		if !isDisableBootLog {
-			log.BootErrorf("[initializer.initializeSystem] sets logger configuration failed, because %s", err.Error())
+			log.BootErrorf(c, "[initializer.initializeSystem] sets logger configuration failed, because %s", err.Error())
 		}
 		return nil, err
 	}
@@ -85,7 +85,7 @@ func initializeSystem(c *cli.Context) (*settings.Config, error) {
 
 	if err != nil {
 		if !isDisableBootLog {
-			log.BootErrorf("[initializer.initializeSystem] initializes object storage failed, because %s", err.Error())
+			log.BootErrorf(c, "[initializer.initializeSystem] initializes object storage failed, because %s", err.Error())
 		}
 		return nil, err
 	}
@@ -94,7 +94,7 @@ func initializeSystem(c *cli.Context) (*settings.Config, error) {
 
 	if err != nil {
 		if !isDisableBootLog {
-			log.BootErrorf("[initializer.initializeSystem] initializes uuid generator failed, because %s", err.Error())
+			log.BootErrorf(c, "[initializer.initializeSystem] initializes uuid generator failed, because %s", err.Error())
 		}
 		return nil, err
 	}
@@ -103,7 +103,16 @@ func initializeSystem(c *cli.Context) (*settings.Config, error) {
 
 	if err != nil {
 		if !isDisableBootLog {
-			log.BootErrorf("[initializer.initializeSystem] initializes duplicate checker failed, because %s", err.Error())
+			log.BootErrorf(c, "[initializer.initializeSystem] initializes duplicate checker failed, because %s", err.Error())
+		}
+		return nil, err
+	}
+
+	err = avatars.InitializeAvatarProvider(config)
+
+	if err != nil {
+		if !isDisableBootLog {
+			log.BootErrorf(c, "[initializer.initializeSystem] initializes avatar provider failed, because %s", err.Error())
 		}
 		return nil, err
 	}
@@ -112,7 +121,7 @@ func initializeSystem(c *cli.Context) (*settings.Config, error) {
 
 	if err != nil {
 		if !isDisableBootLog {
-			log.BootErrorf("[initializer.initializeSystem] initializes mailer failed, because %s", err.Error())
+			log.BootErrorf(c, "[initializer.initializeSystem] initializes mailer failed, because %s", err.Error())
 		}
 		return nil, err
 	}
@@ -121,7 +130,7 @@ func initializeSystem(c *cli.Context) (*settings.Config, error) {
 
 	if err != nil {
 		if !isDisableBootLog {
-			log.BootErrorf("[initializer.initializeSystem] initializes exchange rates data source failed, because %s", err.Error())
+			log.BootErrorf(c, "[initializer.initializeSystem] initializes exchange rates data source failed, because %s", err.Error())
 		}
 		return nil, err
 	}
@@ -129,7 +138,7 @@ func initializeSystem(c *cli.Context) (*settings.Config, error) {
 	cfgJson, _ := json.Marshal(getConfigWithoutSensitiveData(config))
 
 	if !isDisableBootLog {
-		log.BootInfof("[initializer.initializeSystem] has loaded configuration %s", cfgJson)
+		log.BootInfof(c, "[initializer.initializeSystem] has loaded configuration %s", cfgJson)
 	}
 
 	return config, nil

cmd/security.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/urfave/cli/v2"
 
+	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/utils"
 )
 
@@ -16,7 +17,7 @@ var SecurityUtils = &cli.Command{
 		{
 			Name:   "gen-secret-key",
 			Usage:  "Generate a random secret key",
-			Action: genSecretKey,
+			Action: bindAction(genSecretKey),
 			Flags: []cli.Flag{
 				&cli.IntFlag{
 					Name:        "length",
@@ -30,7 +31,7 @@ var SecurityUtils = &cli.Command{
 	},
 }
 
-func genSecretKey(c *cli.Context) error {
+func genSecretKey(c *core.CliContext) error {
 	length := c.Int("length")
 
 	if length <= 0 {

cmd/user_data.go

@@ -7,6 +7,7 @@ import (
 	"github.com/urfave/cli/v2"
 
 	clis "github.com/mayswind/ezbookkeeping/pkg/cli"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
 	"github.com/mayswind/ezbookkeeping/pkg/models"
@@ -21,7 +22,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "user-add",
 			Usage:  "Add new user",
-			Action: addNewUser,
+			Action: bindAction(addNewUser),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -58,7 +59,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "user-get",
 			Usage:  "Get specified user info",
-			Action: getUserInfo,
+			Action: bindAction(getUserInfo),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -71,7 +72,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "user-modify-password",
 			Usage:  "Modify user password",
-			Action: modifyUserPassword,
+			Action: bindAction(modifyUserPassword),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -90,7 +91,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "user-enable",
 			Usage:  "Enable specified user",
-			Action: enableUser,
+			Action: bindAction(enableUser),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -103,7 +104,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "user-disable",
 			Usage:  "Disable specified user",
-			Action: disableUser,
+			Action: bindAction(disableUser),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -116,7 +117,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "user-resend-verify-email",
 			Usage:  "Resend user verify email",
-			Action: resendUserVerifyEmail,
+			Action: bindAction(resendUserVerifyEmail),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -129,7 +130,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "user-set-email-verified",
 			Usage:  "Set user email address verified",
-			Action: setUserEmailVerified,
+			Action: bindAction(setUserEmailVerified),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -142,7 +143,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "user-set-email-unverified",
 			Usage:  "Set user email address unverified",
-			Action: setUserEmailUnverified,
+			Action: bindAction(setUserEmailUnverified),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -155,7 +156,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "user-delete",
 			Usage:  "Delete specified user",
-			Action: deleteUser,
+			Action: bindAction(deleteUser),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -168,7 +169,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "user-2fa-disable",
 			Usage:  "Disable user 2fa setting",
-			Action: disableUser2FA,
+			Action: bindAction(disableUser2FA),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -181,7 +182,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "user-session-list",
 			Usage:  "List all user sessions",
-			Action: listUserTokens,
+			Action: bindAction(listUserTokens),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -194,7 +195,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "user-session-clear",
 			Usage:  "Clear user all sessions",
-			Action: clearUserTokens,
+			Action: bindAction(clearUserTokens),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -207,7 +208,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "send-password-reset-mail",
 			Usage:  "Send password reset mail",
-			Action: sendPasswordResetMail,
+			Action: bindAction(sendPasswordResetMail),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -220,7 +221,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "transaction-check",
 			Usage:  "Check whether user all transactions and accounts are correct",
-			Action: checkUserTransactionAndAccount,
+			Action: bindAction(checkUserTransactionAndAccount),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -233,7 +234,7 @@ var UserData = &cli.Command{
 		{
 			Name:   "transaction-tag-index-fix-transaction-time",
 			Usage:  "Fix the transaction tag index data which does not have transaction time",
-			Action: fixTransactionTagIndexNotHaveTransactionTime,
+			Action: bindAction(fixTransactionTagIndexNotHaveTransactionTime),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -243,10 +244,35 @@ var UserData = &cli.Command{
 				},
 			},
 		},
+		{
+			Name:   "transaction-import",
+			Usage:  "Import transactions to specified user",
+			Action: bindAction(importUserTransaction),
+			Flags: []cli.Flag{
+				&cli.StringFlag{
+					Name:     "username",
+					Aliases:  []string{"n"},
+					Required: true,
+					Usage:    "Specific user name",
+				},
+				&cli.StringFlag{
+					Name:     "file",
+					Aliases:  []string{"f"},
+					Required: true,
+					Usage:    "Specific import file path (e.g. transaction.csv)",
+				},
+				&cli.StringFlag{
+					Name:     "type",
+					Aliases:  []string{"t"},
+					Required: true,
+					Usage:    "Import file type (supports \"ezbookkeeping_csv\", \"ezbookkeeping_tsv\")",
+				},
+			},
+		},
 		{
 			Name:   "transaction-export",
 			Usage:  "Export user all transactions to file",
-			Action: exportUserTransaction,
+			Action: bindAction(exportUserTransaction),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "username",
@@ -271,7 +297,7 @@ var UserData = &cli.Command{
 	},
 }
 
-func addNewUser(c *cli.Context) error {
+func addNewUser(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -287,7 +313,7 @@ func addNewUser(c *cli.Context) error {
 	user, err := clis.UserData.AddNewUser(c, username, email, nickname, password, defaultCurrency)
 
 	if err != nil {
-		log.BootErrorf("[user_data.addNewUser] error occurs when adding new user")
+		log.CliErrorf(c, "[user_data.addNewUser] error occurs when adding new user")
 		return err
 	}
 
@@ -296,7 +322,7 @@ func addNewUser(c *cli.Context) error {
 	return nil
 }
 
-func getUserInfo(c *cli.Context) error {
+func getUserInfo(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -307,7 +333,7 @@ func getUserInfo(c *cli.Context) error {
 	user, err := clis.UserData.GetUserByUsername(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.getUserInfo] error occurs when getting user data")
+		log.CliErrorf(c, "[user_data.getUserInfo] error occurs when getting user data")
 		return err
 	}
 
@@ -316,7 +342,7 @@ func getUserInfo(c *cli.Context) error {
 	return nil
 }
 
-func modifyUserPassword(c *cli.Context) error {
+func modifyUserPassword(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -328,16 +354,16 @@ func modifyUserPassword(c *cli.Context) error {
 	err = clis.UserData.ModifyUserPassword(c, username, password)
 
 	if err != nil {
-		log.BootErrorf("[user_data.modifyUserPassword] error occurs when modifying user password")
+		log.CliErrorf(c, "[user_data.modifyUserPassword] error occurs when modifying user password")
 		return err
 	}
 
-	log.BootInfof("[user_data.modifyUserPassword] password of user \"%s\" has been changed", username)
+	log.CliInfof(c, "[user_data.modifyUserPassword] password of user \"%s\" has been changed", username)
 
 	return nil
 }
 
-func sendPasswordResetMail(c *cli.Context) error {
+func sendPasswordResetMail(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -348,16 +374,16 @@ func sendPasswordResetMail(c *cli.Context) error {
 	err = clis.UserData.SendPasswordResetMail(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.sendPasswordResetMail] error occurs when sending password reset email")
+		log.CliErrorf(c, "[user_data.sendPasswordResetMail] error occurs when sending password reset email")
 		return err
 	}
 
-	log.BootInfof("[user_data.sendPasswordResetMail] a password reset email for user \"%s\" has been sent", username)
+	log.CliInfof(c, "[user_data.sendPasswordResetMail] a password reset email for user \"%s\" has been sent", username)
 
 	return nil
 }
 
-func enableUser(c *cli.Context) error {
+func enableUser(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -368,16 +394,16 @@ func enableUser(c *cli.Context) error {
 	err = clis.UserData.EnableUser(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.enableUser] error occurs when setting user enabled")
+		log.CliErrorf(c, "[user_data.enableUser] error occurs when setting user enabled")
 		return err
 	}
 
-	log.BootInfof("[user_data.enableUser] user \"%s\" has been set enabled", username)
+	log.CliInfof(c, "[user_data.enableUser] user \"%s\" has been set enabled", username)
 
 	return nil
 }
 
-func disableUser(c *cli.Context) error {
+func disableUser(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -388,16 +414,16 @@ func disableUser(c *cli.Context) error {
 	err = clis.UserData.DisableUser(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.disableUser] error occurs when setting user disabled")
+		log.CliErrorf(c, "[user_data.disableUser] error occurs when setting user disabled")
 		return err
 	}
 
-	log.BootInfof("[user_data.disableUser] user \"%s\" has been set disabled", username)
+	log.CliInfof(c, "[user_data.disableUser] user \"%s\" has been set disabled", username)
 
 	return nil
 }
 
-func resendUserVerifyEmail(c *cli.Context) error {
+func resendUserVerifyEmail(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -408,16 +434,16 @@ func resendUserVerifyEmail(c *cli.Context) error {
 	err = clis.UserData.ResendVerifyEmail(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.resendUserVerifyEmail] error occurs when resending user verify email")
+		log.CliErrorf(c, "[user_data.resendUserVerifyEmail] error occurs when resending user verify email")
 		return err
 	}
 
-	log.BootInfof("[user_data.resendUserVerifyEmail] verify email for user \"%s\" has been resent", username)
+	log.CliInfof(c, "[user_data.resendUserVerifyEmail] verify email for user \"%s\" has been resent", username)
 
 	return nil
 }
 
-func setUserEmailVerified(c *cli.Context) error {
+func setUserEmailVerified(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -428,16 +454,16 @@ func setUserEmailVerified(c *cli.Context) error {
 	err = clis.UserData.SetUserEmailVerified(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.setUserEmailVerified] error occurs when setting user email address verified")
+		log.CliErrorf(c, "[user_data.setUserEmailVerified] error occurs when setting user email address verified")
 		return err
 	}
 
-	log.BootInfof("[user_data.setUserEmailVerified] user \"%s\" email address has been set verified", username)
+	log.CliInfof(c, "[user_data.setUserEmailVerified] user \"%s\" email address has been set verified", username)
 
 	return nil
 }
 
-func setUserEmailUnverified(c *cli.Context) error {
+func setUserEmailUnverified(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -448,16 +474,16 @@ func setUserEmailUnverified(c *cli.Context) error {
 	err = clis.UserData.SetUserEmailUnverified(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.setUserEmailUnverified] error occurs when setting user email address unverified")
+		log.CliErrorf(c, "[user_data.setUserEmailUnverified] error occurs when setting user email address unverified")
 		return err
 	}
 
-	log.BootInfof("[user_data.setUserEmailUnverified] user \"%s\" email address has been set unverified", username)
+	log.CliInfof(c, "[user_data.setUserEmailUnverified] user \"%s\" email address has been set unverified", username)
 
 	return nil
 }
 
-func deleteUser(c *cli.Context) error {
+func deleteUser(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -468,16 +494,16 @@ func deleteUser(c *cli.Context) error {
 	err = clis.UserData.DeleteUser(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.deleteUser] error occurs when deleting user")
+		log.CliErrorf(c, "[user_data.deleteUser] error occurs when deleting user")
 		return err
 	}
 
-	log.BootInfof("[user_data.deleteUser] user \"%s\" has been deleted", username)
+	log.CliInfof(c, "[user_data.deleteUser] user \"%s\" has been deleted", username)
 
 	return nil
 }
 
-func disableUser2FA(c *cli.Context) error {
+func disableUser2FA(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -488,16 +514,16 @@ func disableUser2FA(c *cli.Context) error {
 	err = clis.UserData.DisableUserTwoFactorAuthorization(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.disableUser2FA] error occurs when disabling user two-factor authorization")
+		log.CliErrorf(c, "[user_data.disableUser2FA] error occurs when disabling user two-factor authorization")
 		return err
 	}
 
-	log.BootInfof("[user_data.disableUser2FA] two-factor authorization of user \"%s\" has been disabled", username)
+	log.CliInfof(c, "[user_data.disableUser2FA] two-factor authorization of user \"%s\" has been disabled", username)
 
 	return nil
 }
 
-func listUserTokens(c *cli.Context) error {
+func listUserTokens(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -508,7 +534,7 @@ func listUserTokens(c *cli.Context) error {
 	tokens, err := clis.UserData.ListUserTokens(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.listUserTokens] error occurs when getting user tokens")
+		log.CliErrorf(c, "[user_data.listUserTokens] error occurs when getting user tokens")
 		return err
 	}
 
@@ -523,7 +549,7 @@ func listUserTokens(c *cli.Context) error {
 	return nil
 }
 
-func clearUserTokens(c *cli.Context) error {
+func clearUserTokens(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -534,16 +560,16 @@ func clearUserTokens(c *cli.Context) error {
 	err = clis.UserData.ClearUserTokens(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.clearUserTokens] error occurs when clearing user tokens")
+		log.CliErrorf(c, "[user_data.clearUserTokens] error occurs when clearing user tokens")
 		return err
 	}
 
-	log.BootInfof("[user_data.clearUserTokens] all tokens of user \"%s\" has been cleared", username)
+	log.CliInfof(c, "[user_data.clearUserTokens] all tokens of user \"%s\" has been cleared", username)
 
 	return nil
 }
 
-func checkUserTransactionAndAccount(c *cli.Context) error {
+func checkUserTransactionAndAccount(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -552,21 +578,21 @@ func checkUserTransactionAndAccount(c *cli.Context) error {
 
 	username := c.String("username")
 
-	log.BootInfof("[user_data.checkUserTransactionAndAccount] starting checking user \"%s\" data", username)
+	log.CliInfof(c, "[user_data.checkUserTransactionAndAccount] starting checking user \"%s\" data", username)
 
 	_, err = clis.UserData.CheckTransactionAndAccount(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.checkUserTransactionAndAccount] error occurs when checking user data")
+		log.CliErrorf(c, "[user_data.checkUserTransactionAndAccount] error occurs when checking user data")
 		return err
 	}
 
-	log.BootInfof("[user_data.checkUserTransactionAndAccount] user transactions and accounts data has been checked successfully, there is no problem with user data")
+	log.CliInfof(c, "[user_data.checkUserTransactionAndAccount] user transactions and accounts data has been checked successfully, there is no problem with user data")
 
 	return nil
 }
 
-func fixTransactionTagIndexNotHaveTransactionTime(c *cli.Context) error {
+func fixTransactionTagIndexNotHaveTransactionTime(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -575,21 +601,21 @@ func fixTransactionTagIndexNotHaveTransactionTime(c *cli.Context) error {
 
 	username := c.String("username")
 
-	log.BootInfof("[user_data.fixTransactionTagIndexNotHaveTransactionTime] starting fixing user \"%s\" transaction tag index data", username)
+	log.CliInfof(c, "[user_data.fixTransactionTagIndexNotHaveTransactionTime] starting fixing user \"%s\" transaction tag index data", username)
 
 	_, err = clis.UserData.FixTransactionTagIndexWithTransactionTime(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.fixTransactionTagIndexNotHaveTransactionTime] error occurs when fixing user data")
+		log.CliErrorf(c, "[user_data.fixTransactionTagIndexNotHaveTransactionTime] error occurs when fixing user data")
 		return err
 	}
 
-	log.BootInfof("[user_data.fixTransactionTagIndexNotHaveTransactionTime] user transaction tag index data has been fixed successfully")
+	log.CliInfof(c, "[user_data.fixTransactionTagIndexNotHaveTransactionTime] user transaction tag index data has been fixed successfully")
 
 	return nil
 }
 
-func exportUserTransaction(c *cli.Context) error {
+func exportUserTransaction(c *core.CliContext) error {
 	_, err := initializeSystem(c)
 
 	if err != nil {
@@ -601,39 +627,88 @@ func exportUserTransaction(c *cli.Context) error {
 	fileType := c.String("type")
 
 	if fileType != "" && fileType != "csv" && fileType != "tsv" {
-		log.BootErrorf("[user_data.exportUserTransaction] export file type is not supported")
+		log.CliErrorf(c, "[user_data.exportUserTransaction] export file type is not supported")
 		return errs.ErrNotSupported
 	}
 
 	if filePath == "" {
-		log.BootErrorf("[user_data.exportUserTransaction] export file path is unspecified")
+		log.CliErrorf(c, "[user_data.exportUserTransaction] export file path is unspecified")
 		return os.ErrNotExist
 	}
 
 	fileExists, err := utils.IsExists(filePath)
 
 	if fileExists {
-		log.BootErrorf("[user_data.exportUserTransaction] specified file path already exists")
+		log.CliErrorf(c, "[user_data.exportUserTransaction] specified file path already exists")
 		return os.ErrExist
 	}
 
-	log.BootInfof("[user_data.exportUserTransaction] starting exporting user \"%s\" data", username)
+	log.CliInfof(c, "[user_data.exportUserTransaction] starting exporting user \"%s\" data", username)
 
 	content, err := clis.UserData.ExportTransaction(c, username, fileType)
 
 	if err != nil {
-		log.BootErrorf("[user_data.exportUserTransaction] error occurs when exporting user data")
+		log.CliErrorf(c, "[user_data.exportUserTransaction] error occurs when exporting user data")
 		return err
 	}
 
 	err = utils.WriteFile(filePath, content)
 
 	if err != nil {
-		log.BootErrorf("[user_data.exportUserTransaction] failed to write to %s", filePath)
+		log.CliErrorf(c, "[user_data.exportUserTransaction] failed to write to %s", filePath)
 		return err
 	}
 
-	log.BootInfof("[user_data.exportUserTransaction] user transactions have been exported to %s", filePath)
+	log.CliInfof(c, "[user_data.exportUserTransaction] user transactions have been exported to %s", filePath)
+
+	return nil
+}
+
+func importUserTransaction(c *core.CliContext) error {
+	_, err := initializeSystem(c)
+
+	if err != nil {
+		return err
+	}
+
+	username := c.String("username")
+	filePath := c.String("file")
+	filetype := c.String("type")
+
+	if filePath == "" {
+		log.CliErrorf(c, "[user_data.importUserTransaction] import file path is not specified")
+		return os.ErrNotExist
+	}
+
+	fileExists, err := utils.IsExists(filePath)
+
+	if !fileExists {
+		log.CliErrorf(c, "[user_data.importUserTransaction] import file does not exist")
+		return os.ErrExist
+	}
+
+	if filetype != "ezbookkeeping_csv" && filetype != "ezbookkeeping_tsv" {
+		log.CliErrorf(c, "[user_data.importUserTransaction] unknown file type \"%s\"", filetype)
+		return errs.ErrImportFileTypeNotSupported
+	}
+
+	data, err := os.ReadFile(filePath)
+
+	if err != nil {
+		log.CliErrorf(c, "[user_data.importUserTransaction] failed to load import file")
+		return err
+	}
+
+	log.CliInfof(c, "[user_data.importUserTransaction] start importing transactions to user \"%s\"", username)
+
+	err = clis.UserData.ImportTransaction(c, username, filetype, data)
+
+	if err != nil {
+		log.CliErrorf(c, "[user_data.importUserTransaction] error occurs when importing user data")
+		return err
+	}
+
+	log.CliInfof(c, "[user_data.importUserTransaction] transactions have been imported to user \"%s\"", username)
 
 	return nil
 }

cmd/utility.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/urfave/cli/v2"
 
+	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/mail"
 	"github.com/mayswind/ezbookkeeping/pkg/requestid"
@@ -21,7 +22,7 @@ var Utilities = &cli.Command{
 		{
 			Name:   "parse-default-request-id",
 			Usage:  "Parse a request id which is generated by default request generator and show the details",
-			Action: parseRequestId,
+			Action: bindAction(parseRequestId),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "id",
@@ -33,7 +34,7 @@ var Utilities = &cli.Command{
 		{
 			Name:   "send-test-mail",
 			Usage:  "Send an email to specified e-mail address",
-			Action: sendTestMail,
+			Action: bindAction(sendTestMail),
 			Flags: []cli.Flag{
 				&cli.StringFlag{
 					Name:     "to",
@@ -45,15 +46,15 @@ var Utilities = &cli.Command{
 	},
 }
 
-func parseRequestId(c *cli.Context) error {
+func parseRequestId(c *core.CliContext) error {
 	config, err := initializeSystem(c)
 
 	if err != nil {
 		return err
 	}
 
-	err = requestid.InitializeRequestIdGenerator(config)
-	defaultGenerator, err := requestid.NewDefaultRequestIdGenerator(config)
+	err = requestid.InitializeRequestIdGenerator(c, config)
+	defaultGenerator, err := requestid.NewDefaultRequestIdGenerator(c, config)
 
 	if err != nil {
 		return err
@@ -73,7 +74,7 @@ func parseRequestId(c *cli.Context) error {
 	return nil
 }
 
-func sendTestMail(c *cli.Context) error {
+func sendTestMail(c *core.CliContext) error {
 	config, err := initializeSystem(c)
 
 	if err != nil {

cmd/webserver.go

@@ -15,6 +15,7 @@ import (
 
 	"github.com/mayswind/ezbookkeeping/pkg/api"
 	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/cron"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
 	"github.com/mayswind/ezbookkeeping/pkg/middlewares"
@@ -32,33 +33,40 @@ var WebServer = &cli.Command{
 		{
 			Name:   "run",
 			Usage:  "Run ezBookkeeping web server",
-			Action: startWebServer,
+			Action: bindAction(startWebServer),
 		},
 	},
 }
 
-func startWebServer(c *cli.Context) error {
+func startWebServer(c *core.CliContext) error {
 	config, err := initializeSystem(c)
 
 	if err != nil {
 		return err
 	}
 
-	log.BootInfof("[webserver.startWebServer] static root path is %s", config.StaticRootPath)
+	log.BootInfof(c, "[webserver.startWebServer] static root path is %s", config.StaticRootPath)
 
 	if config.AutoUpdateDatabase {
-		err = updateAllDatabaseTablesStructure()
+		err = updateAllDatabaseTablesStructure(c)
 
 		if err != nil {
-			log.BootErrorf("[webserver.startWebServer] update database table structure failed, because %s", err.Error())
+			log.BootErrorf(c, "[webserver.startWebServer] update database table structure failed, because %s", err.Error())
 			return err
 		}
 	}
 
-	err = requestid.InitializeRequestIdGenerator(config)
+	err = requestid.InitializeRequestIdGenerator(c, config)
 
 	if err != nil {
-		log.BootErrorf("[webserver.startWebServer] initializes requestid generator failed, because %s", err.Error())
+		log.BootErrorf(c, "[webserver.startWebServer] initializes requestid generator failed, because %s", err.Error())
+		return err
+	}
+
+	err = cron.InitializeCronJobSchedulerContainer(c, config, true)
+
+	if err != nil {
+		log.BootErrorf(c, "[webserver.startWebServer] initializes cron job scheduler failed, because %s", err.Error())
 		return err
 	}
 
@@ -68,7 +76,7 @@ func startWebServer(c *cli.Context) error {
 		uuidServerInfo = fmt.Sprintf(", current uuid server id is %d", config.UuidServerId)
 	}
 
-	log.BootInfof("[webserver.startWebServer] %s%s", serverInfo, uuidServerInfo)
+	log.BootInfof(c, "[webserver.startWebServer] %s%s", serverInfo, uuidServerInfo)
 
 	if config.Mode == settings.MODE_PRODUCTION {
 		gin.SetMode(gin.ReleaseMode)
@@ -145,7 +153,7 @@ func startWebServer(c *cli.Context) error {
 		router.StaticFile("/desktop/"+workboxFileNames[i], filepath.Join(config.StaticRootPath, workboxFileNames[i]))
 	}
 
-	if config.AvatarProvider == settings.InternalAvatarProvider {
+	if config.AvatarProvider == core.USER_AVATAR_PROVIDER_INTERNAL {
 		avatarRoute := router.Group("/avatar")
 		avatarRoute.Use(bindMiddleware(middlewares.JWTAuthorizationByQueryString))
 		{
@@ -153,6 +161,14 @@ func startWebServer(c *cli.Context) error {
 		}
 	}
 
+	if config.EnableTransactionPictures {
+		pictureRoute := router.Group("/pictures")
+		pictureRoute.Use(bindMiddleware(middlewares.JWTAuthorizationByQueryString))
+		{
+			pictureRoute.GET("/:fileName", bindImage(api.TransactionPictures.TransactionPictureGetHandler))
+		}
+	}
+
 	router.GET("/healthz.json", bindApi(api.Healths.HealthStatusHandler))
 
 	if config.Mode == settings.MODE_DEVELOPMENT {
@@ -253,7 +269,7 @@ func startWebServer(c *cli.Context) error {
 			apiV1Route.GET("/users/profile/get.json", bindApi(api.Users.UserProfileHandler))
 			apiV1Route.POST("/users/profile/update.json", bindApiWithTokenUpdate(api.Users.UserUpdateProfileHandler, config))
 
-			if config.AvatarProvider == settings.InternalAvatarProvider {
+			if config.AvatarProvider == core.USER_AVATAR_PROVIDER_INTERNAL {
 				apiV1Route.POST("/users/avatar/update.json", bindApi(api.Users.UserUpdateAvatarHandler))
 				apiV1Route.POST("/users/avatar/remove.json", bindApi(api.Users.UserRemoveAvatarHandler))
 			}
@@ -301,6 +317,17 @@ func startWebServer(c *cli.Context) error {
 			apiV1Route.POST("/transactions/modify.json", bindApi(api.Transactions.TransactionModifyHandler))
 			apiV1Route.POST("/transactions/delete.json", bindApi(api.Transactions.TransactionDeleteHandler))
 
+			if config.EnableDataImport {
+				apiV1Route.POST("/transactions/parse_import.json", bindApi(api.Transactions.TransactionParseImportFileHandler))
+				apiV1Route.POST("/transactions/import.json", bindApi(api.Transactions.TransactionImportHandler))
+			}
+
+			// Transaction Pictures
+			if config.EnableTransactionPictures {
+				apiV1Route.POST("/transaction/pictures/upload.json", bindApi(api.TransactionPictures.TransactionPictureUploadHandler))
+				apiV1Route.POST("/transaction/pictures/remove_unused.json", bindApi(api.TransactionPictures.TransactionPictureRemoveUnusedHandler))
+			}
+
 			// Transaction Categories
 			apiV1Route.GET("/transaction/categories/list.json", bindApi(api.TransactionCategories.CategoryListHandler))
 			apiV1Route.GET("/transaction/categories/get.json", bindApi(api.TransactionCategories.CategoryGetHandler))
@@ -337,20 +364,20 @@ func startWebServer(c *cli.Context) error {
 	listenAddr := fmt.Sprintf("%s:%d", config.HttpAddr, config.HttpPort)
 
 	if config.Protocol == settings.SCHEME_SOCKET {
-		log.BootInfof("[webserver.startWebServer] will run at socks:%s", config.UnixSocketPath)
+		log.BootInfof(c, "[webserver.startWebServer] will run at socks:%s", config.UnixSocketPath)
 		err = router.RunUnix(config.UnixSocketPath)
 	} else if config.Protocol == settings.SCHEME_HTTP {
-		log.BootInfof("[webserver.startWebServer] will run at http://%s", listenAddr)
+		log.BootInfof(c, "[webserver.startWebServer] will run at http://%s", listenAddr)
 		err = router.Run(listenAddr)
 	} else if config.Protocol == settings.SCHEME_HTTPS {
-		log.BootInfof("[webserver.startWebServer] will run at https://%s", listenAddr)
+		log.BootInfof(c, "[webserver.startWebServer] will run at https://%s", listenAddr)
 		err = router.RunTLS(listenAddr, config.CertFile, config.CertKeyFile)
 	} else {
 		err = errs.ErrInvalidProtocol
 	}
 
 	if err != nil {
-		log.BootErrorf("[webserver.startWebServer] cannot start, because %s", err)
+		log.BootErrorf(c, "[webserver.startWebServer] cannot start, because %s", err)
 		return err
 	}
 
@@ -359,13 +386,13 @@ func startWebServer(c *cli.Context) error {
 
 func bindMiddleware(fn core.MiddlewareHandlerFunc) gin.HandlerFunc {
 	return func(c *gin.Context) {
-		fn(core.WrapContext(c))
+		fn(core.WrapWebContext(c))
 	}
 }
 
 func bindApi(fn core.ApiHandlerFunc) gin.HandlerFunc {
 	return func(ginCtx *gin.Context) {
-		c := core.WrapContext(ginCtx)
+		c := core.WrapWebContext(ginCtx)
 		result, err := fn(c)
 
 		if err != nil {
@@ -378,7 +405,7 @@ func bindApi(fn core.ApiHandlerFunc) gin.HandlerFunc {
 
 func bindApiWithTokenUpdate(fn core.ApiHandlerFunc, config *settings.Config) gin.HandlerFunc {
 	return func(ginCtx *gin.Context) {
-		c := core.WrapContext(ginCtx)
+		c := core.WrapWebContext(ginCtx)
 		result, err := fn(c)
 
 		if err == nil && config.MapProvider == settings.AmapProvider && config.AmapSecurityVerificationMethod == settings.AmapSecurityVerificationInternalProxyMethod {
@@ -395,7 +422,7 @@ func bindApiWithTokenUpdate(fn core.ApiHandlerFunc, config *settings.Config) gin
 
 func bindCsv(fn core.DataHandlerFunc) gin.HandlerFunc {
 	return func(ginCtx *gin.Context) {
-		c := core.WrapContext(ginCtx)
+		c := core.WrapWebContext(ginCtx)
 		result, fileName, err := fn(c)
 
 		if err != nil {
@@ -408,7 +435,7 @@ func bindCsv(fn core.DataHandlerFunc) gin.HandlerFunc {
 
 func bindTsv(fn core.DataHandlerFunc) gin.HandlerFunc {
 	return func(ginCtx *gin.Context) {
-		c := core.WrapContext(ginCtx)
+		c := core.WrapWebContext(ginCtx)
 		result, fileName, err := fn(c)
 
 		if err != nil {
@@ -421,7 +448,7 @@ func bindTsv(fn core.DataHandlerFunc) gin.HandlerFunc {
 
 func bindImage(fn core.ImageHandlerFunc) gin.HandlerFunc {
 	return func(ginCtx *gin.Context) {
-		c := core.WrapContext(ginCtx)
+		c := core.WrapWebContext(ginCtx)
 		result, contentType, err := fn(c)
 
 		if err != nil {
@@ -434,7 +461,7 @@ func bindImage(fn core.ImageHandlerFunc) gin.HandlerFunc {
 
 func bindCachedImage(fn core.ImageHandlerFunc, store persistence.CacheStore) gin.HandlerFunc {
 	return cache.CachePage(store, time.Minute, func(ginCtx *gin.Context) {
-		c := core.WrapContext(ginCtx)
+		c := core.WrapWebContext(ginCtx)
 		result, contentType, err := fn(c)
 
 		if err != nil {
@@ -447,7 +474,7 @@ func bindCachedImage(fn core.ImageHandlerFunc, store persistence.CacheStore) gin
 
 func bindProxy(fn core.ProxyHandlerFunc) gin.HandlerFunc {
 	return func(ginCtx *gin.Context) {
-		c := core.WrapContext(ginCtx)
+		c := core.WrapWebContext(ginCtx)
 		proxy, err := fn(c)
 
 		if err != nil {

conf/ezbookkeeping.ini

@@ -146,10 +146,17 @@ checker_type = in_memory
 # For "in_memory" duplicate checker only, cleanup expired data interval seconds (1 - 4294967295), default is 60 (1 minutes)
 cleanup_interval = 60
 
-# The minimum interval seconds (0 - 4294967295) between duplicate submissions on the same page (exiting and re-entering the page is considered as a new session)
+# The minimum interval seconds (0 - 4294967295) between duplicate submissions on the same page (exiting and re-entering the edit page / edit dialog is considered as a new session)
 # Set to 0 to disable duplicate checker for new data submissions, default is 300 (5 minutes)
 duplicate_submissions_interval = 300
 
+[cron]
+# Set to true to clean up expired tokens periodically
+enable_remove_expired_tokens = true
+
+# Set to true to create scheduled transactions based on the user's templates
+enable_create_scheduled_transaction = true
+
 [security]
 # Used for signing, you must change it to keep your user data safe before you first run ezBookkeeping
 secret_key =
@@ -192,16 +199,34 @@ enable_forget_password = true
 # Set to true to require email must be verified when use forget password
 forget_password_require_email_verify = false
 
+# Set to true to allow users to upload transaction pictures
+enable_transaction_picture = true
+
+# Maximum allowed transaction picture file size (1 - 4294967295 bytes)
+max_transaction_picture_size = 10485760
+
+# Set to true to allow users to create scheduled transaction
+enable_scheduled_transaction = true
+
 # User avatar provider, supports the following types:
 # "internal": Use the internal object storage to store user avatar (refer to "storage" settings), supports updating avatar by user self
 # "gravatar": https://gravatar.com
 # Leave blank if you want to disable user avatar
 avatar_provider = internal
 
+# For "internal" avatar provider only, maximum allowed user avatar file size (1 - 4294967295 bytes)
+max_user_avatar_size = 1048576
+
 [data]
 # Set to true to allow users to export their data
 enable_export = true
 
+# Set to true to allow users to import their data
+enable_import = true
+
+# Maximum allowed import file size (1 - 4294967295 bytes)
+max_import_file_size = 10485760
+
 [notification]
 # Set to true to display custom notification in home page every time users register
 enable_notification_after_register = false
@@ -291,12 +316,12 @@ custom_map_tile_server_default_zoom_level = 14
 
 [exchange_rates]
 # Exchange rates data source, supports the following types:
-# "euro_central_bank"
-# "bank_of_canada"
-# "reserve_bank_of_australia",
-# "czech_national_bank"
-# "national_bank_of_poland"
-# "monetary_authority_of_singapore"
+# "euro_central_bank": https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/index.en.html
+# "bank_of_canada": https://www.bankofcanada.ca/rates/exchange/daily-exchange-rates/
+# "reserve_bank_of_australia": https://www.rba.gov.au/statistics/frequency/exchange-rates.html
+# "czech_national_bank": https://www.cnb.cz/en/financial-markets/foreign-exchange-market/central-bank-exchange-rate-fixing/central-bank-exchange-rate-fixing/
+# "national_bank_of_poland": https://nbp.pl/en/statistic-and-financial-reporting/rates/
+# "international_monetary_fund": https://www.imf.org/external/np/fin/data/param_rms_mth.aspx
 data_source = euro_central_bank
 
 # Requesting exchange rates data timeout (0 - 4294967295 milliseconds)

ezbookkeeping.go

@@ -36,6 +36,7 @@ func main() {
 			cmd.WebServer,
 			cmd.Database,
 			cmd.UserData,
+			cmd.CronJobs,
 			cmd.SecurityUtils,
 			cmd.Utilities,
 		},

go.mod

@@ -1,12 +1,14 @@
 module github.com/mayswind/ezbookkeeping
 
-go 1.21
+go 1.22
 
 require (
 	github.com/boombuler/barcode v1.0.2
+	github.com/extrame/xls v0.0.2-0.20200426124601-4a6cf263071b
 	github.com/gin-contrib/cache v1.3.0
 	github.com/gin-contrib/gzip v1.0.1
 	github.com/gin-gonic/gin v1.10.0
+	github.com/go-co-op/gocron/v2 v2.11.0
 	github.com/go-playground/validator/v10 v10.22.0
 	github.com/go-sql-driver/mysql v1.8.1
 	github.com/golang-jwt/jwt/v5 v5.2.1
@@ -17,9 +19,10 @@ require (
 	github.com/pquerna/otp v1.4.0
 	github.com/sirupsen/logrus v1.9.3
 	github.com/stretchr/testify v1.9.0
-	github.com/urfave/cli/v2 v2.27.1
+	github.com/urfave/cli/v2 v2.27.3
 	github.com/wk8/go-ordered-map/v2 v2.1.8
-	golang.org/x/crypto v0.25.0
+	golang.org/x/crypto v0.26.0
+	golang.org/x/text v0.17.0
 	gopkg.in/ini.v1 v1.67.0
 	gopkg.in/mail.v2 v2.3.1
 	xorm.io/builder v0.3.13
@@ -37,9 +40,11 @@ require (
 	github.com/chenzhuoyu/iasm v0.9.1 // indirect
 	github.com/cloudwego/base64x v0.1.4 // indirect
 	github.com/cloudwego/iasm v0.2.0 // indirect
-	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/extrame/goyymmdd v0.0.0-20210114090516-7cc815f00d1a // indirect
+	github.com/extrame/ole2 v0.0.0-20160812065207-d69429661ad7 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/go-ini/ini v1.67.0 // indirect
@@ -49,6 +54,7 @@ require (
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/gomodule/redigo v1.8.9 // indirect
 	github.com/google/uuid v1.6.0 // indirect
+	github.com/jonboulle/clockwork v0.4.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.8 // indirect
@@ -61,17 +67,19 @@ require (
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/robfig/cron/v3 v3.0.1 // indirect
 	github.com/robfig/go-cache v0.0.0-20130306151617-9fc39e0dbf62 // indirect
 	github.com/rs/xid v1.5.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/syndtr/goleveldb v1.0.0 // indirect
+	github.com/tealeg/xlsx v1.0.5 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.12 // indirect
-	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
+	github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 // indirect
 	golang.org/x/arch v0.8.0 // indirect
+	golang.org/x/exp v0.0.0-20240613232115-7f521ea00fb8 // indirect
 	golang.org/x/net v0.26.0 // indirect
-	golang.org/x/sys v0.22.0 // indirect
-	golang.org/x/text v0.16.0 // indirect
+	golang.org/x/sys v0.23.0 // indirect
 	google.golang.org/protobuf v1.34.1 // indirect
 	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -25,13 +25,19 @@ github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/
 github.com/cloudwego/base64x v0.1.4/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w=
 github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg=
 github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY=
-github.com/cpuguy83/go-md2man/v2 v2.0.2 h1:p1EgwI/C7NhT0JmVkwCD2ZBK8j4aeHQX2pMHHBfMQ6w=
-github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/cpuguy83/go-md2man/v2 v2.0.4 h1:wfIWP927BUkWJb2NmU/kNDYIBTh/ziUX91+lVfRxZq4=
+github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/extrame/goyymmdd v0.0.0-20210114090516-7cc815f00d1a h1:c5k29baTzznteWs+9dxrtqpNxgtQ3V5NbU8d6laLK9Q=
+github.com/extrame/goyymmdd v0.0.0-20210114090516-7cc815f00d1a/go.mod h1:xbpgo9r3xURoPa/l3sLKLGcnWlkz9UkfFsQ7lW0S6h8=
+github.com/extrame/ole2 v0.0.0-20160812065207-d69429661ad7 h1:n+nk0bNe2+gVbRI8WRbLFVwwcBQ0rr5p+gzkKb6ol8c=
+github.com/extrame/ole2 v0.0.0-20160812065207-d69429661ad7/go.mod h1:GPpMrAfHdb8IdQ1/R2uIRBsNfnPnwsYE9YYI5WyY1zw=
+github.com/extrame/xls v0.0.2-0.20200426124601-4a6cf263071b h1:jqW/h4gcXYEB6kVf6iuxjU9ONWA0ugUB94TP9UNmgdg=
+github.com/extrame/xls v0.0.2-0.20200426124601-4a6cf263071b/go.mod h1:iACcgahst7BboCpIMSpnFs4SKyU9ZjsvZBfNbUxZOJI=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0=
 github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk=
@@ -43,6 +49,8 @@ github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
 github.com/gin-gonic/gin v1.10.0 h1:nTuyha1TYqgedzytsKYqna+DfLos46nTv2ygFy86HFU=
 github.com/gin-gonic/gin v1.10.0/go.mod h1:4PMNQiOhvDRa013RKVbsiNwoyezlm2rm0uX/T7kzp5Y=
+github.com/go-co-op/gocron/v2 v2.11.0 h1:IOowNA6SzwdRFnD4/Ol3Kj6G2xKfsoiiGq2Jhhm9bvE=
+github.com/go-co-op/gocron/v2 v2.11.0/go.mod h1:xY7bJxGazKam1cz04EebrlP4S9q4iWdiAylMGP3jY9w=
 github.com/go-ini/ini v1.67.0 h1:z6ZrTEZqSWOTyH2FlglNbNgARyHG8oLW9gMELqKr06A=
 github.com/go-ini/ini v1.67.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
 github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
@@ -67,6 +75,8 @@ github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
+github.com/jonboulle/clockwork v0.4.0 h1:p4Cf1aMWXnXAUh8lVfewRBx1zaTSYKrKMF2g3ST4RZ4=
+github.com/jonboulle/clockwork v0.4.0/go.mod h1:xgRqUGwRcjKCO1vbZUEtSLrqKoPSsUpK7fnezOII0kc=
 github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
@@ -77,6 +87,9 @@ github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa02
 github.com/klauspost/cpuid/v2 v2.2.8 h1:+StwCXwm9PdpiEkPyzBXIy+M9KUb4ODm0Zarf1kS5BM=
 github.com/klauspost/cpuid/v2 v2.2.8/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
 github.com/knz/go-libedit v1.10.1/go.mod h1:MZTVkCWyz0oBc7JOWP3wNAzd002ZbM/5hgShxwh4x8M=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
 github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
 github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
@@ -109,6 +122,8 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pquerna/otp v1.4.0 h1:wZvl1TIVxKRThZIBiwOOHOGP/1+nZyWBil9Y2XNEDzg=
 github.com/pquerna/otp v1.4.0/go.mod h1:dkJfzwRKNiegxyNb54X/3fLwhCynbMspSyWKnvi1AEg=
+github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
+github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
 github.com/robfig/go-cache v0.0.0-20130306151617-9fc39e0dbf62 h1:pyecQtsPmlkCsMkYhT5iZ+sUXuwee+OvfuJjinEA3ko=
 github.com/robfig/go-cache v0.0.0-20130306151617-9fc39e0dbf62/go.mod h1:65XQgovT59RWatovFwnwocoUxiI/eENTnOY5GK3STuY=
 github.com/rs/xid v1.5.0 h1:mKX4bl4iPYJtEIxp6CYiUuLQ/8DYMoz0PUdtGgMFRVc=
@@ -131,21 +146,25 @@ github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsT
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/syndtr/goleveldb v1.0.0 h1:fBdIW9lB4Iz0n9khmH8w27SJ3QEJ7+IgjPEwGSZiFdE=
 github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=
+github.com/tealeg/xlsx v1.0.5 h1:+f8oFmvY8Gw1iUXzPk+kz+4GpbDZPK1FhPiQRd+ypgE=
+github.com/tealeg/xlsx v1.0.5/go.mod h1:btRS8dz54TDnvKNosuAqxrM1QgN1udgk9O34bDCnORM=
 github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
 github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
 github.com/ugorji/go/codec v1.2.12 h1:9LC83zGrHhuUA9l16C9AHXAqEV/2wBQ4nkvumAE65EE=
 github.com/ugorji/go/codec v1.2.12/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
-github.com/urfave/cli/v2 v2.27.1 h1:8xSQ6szndafKVRmfyeUMxkNUJQMjL1F2zmsZ+qHpfho=
-github.com/urfave/cli/v2 v2.27.1/go.mod h1:8qnjx1vcq5s2/wpsqoZFndg2CE5tNFyrTvS6SinrnYQ=
+github.com/urfave/cli/v2 v2.27.3 h1:/POWahRmdh7uztQ3CYnaDddk0Rm90PyOgIxgW2rr41M=
+github.com/urfave/cli/v2 v2.27.3/go.mod h1:m4QzxcD2qpra4z7WhzEGn74WZLViBnMpb1ToCAKdGRQ=
 github.com/wk8/go-ordered-map/v2 v2.1.8 h1:5h/BUHu93oj4gIdvHHHGsScSTMijfx5PeYkE/fJgbpc=
 github.com/wk8/go-ordered-map/v2 v2.1.8/go.mod h1:5nJHM5DyteebpVlHnWMV0rPz6Zp7+xBAnxjb1X5vnTw=
-github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 h1:bAn7/zixMGCfxrRTfdpNzjtPYqr8smhKouy9mxVdGPU=
-github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673/go.mod h1:N3UwUGtsrSj3ccvlPHLoLsHnpR27oXr4ZE984MbSER8=
+github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 h1:gEOO8jv9F4OT7lGCjxCBTO/36wtF6j2nSip77qHd4x4=
+github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1/go.mod h1:Ohn+xnUBiLI6FVj/9LpzZWtj1/D6lUovWYBkxHVV3aM=
 golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/arch v0.8.0 h1:3wRIsP3pM4yUptoR96otTUOXI367OS0+c9eeRi9doIc=
 golang.org/x/arch v0.8.0/go.mod h1:FEVrYAQjsQXMVJ1nsMoVVXPZg6p2JE2mx8psSWTDQys=
-golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
-golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
+golang.org/x/crypto v0.26.0 h1:RrRspgV4mU+YwB4FYnuBoKsUapNIL5cohGAmSH3azsw=
+golang.org/x/crypto v0.26.0/go.mod h1:GY7jblb9wI+FOo5y8/S2oY4zWP07AkOJ4+jxCqdqn54=
+golang.org/x/exp v0.0.0-20240613232115-7f521ea00fb8 h1:yixxcjnhBmY0nkL253HFVIm0JsFHwrHdT3Yh6szTnfY=
+golang.org/x/exp v0.0.0-20240613232115-7f521ea00fb8/go.mod h1:jj3sYF3dwk5D+ghuXyeI3r5MFf+NT2An6/9dOA95KSI=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.26.0 h1:soB7SVo0PWrY4vPW/+ay0jKDNScG2X9wFeYlXIvJsOQ=
 golang.org/x/net v0.26.0/go.mod h1:5YKkiSynbBIh3p6iOc/vibscux0x38BZDkn8sCUPxHE=
@@ -154,16 +173,17 @@ golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
-golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.23.0 h1:YfKFowiIMvtgl1UERQoTPPToxltDeZfbj4H7dVUCwmM=
+golang.org/x/sys v0.23.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
-golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=
+golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc=
+golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
 google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
 google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc h1:2gGKlE2+asNV9m7xrywl36YYNnBG5ZQ0r/BOOxqPpmk=
 gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc/go.mod h1:m7x9LTH6d71AHyAX77c9yqWCCa3UKHcVEj9y7hAtKDk=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
 gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ezbookkeeping",
-  "version": "0.5.0",
+  "version": "0.6.0",
   "private": true,
   "repository": {
     "type": "git",
@@ -19,8 +19,8 @@
   },
   "dependencies": {
     "@mdi/js": "^7.4.47",
-    "@vuepic/vue-datepicker": "^8.8.1",
-    "axios": "^1.7.2",
+    "@vuepic/vue-datepicker": "^9.0.1",
+    "axios": "^1.7.3",
     "cbor-js": "^0.1.0",
     "clipboard": "^2.0.11",
     "crypto-js": "^4.2.0",
@@ -34,18 +34,18 @@
     "line-awesome": "^1.3.0",
     "moment": "^2.30.1",
     "moment-timezone": "^0.5.45",
-    "pinia": "^2.1.7",
+    "pinia": "^2.2.1",
     "register-service-worker": "^1.7.2",
     "skeleton-elements": "^4.0.1",
     "swiper": "^10.2.0",
     "ua-parser-js": "^1.0.38",
-    "vue": "^3.4.31",
+    "vue": "^3.4.37",
     "vue-echarts": "^6.7.3",
     "vue-i18n": "^9.13.1",
-    "vue-router": "^4.4.0",
+    "vue-router": "^4.4.3",
     "vue3-perfect-scrollbar": "^2.0.0",
     "vuedraggable": "^4.1.0",
-    "vuetify": "^3.6.11"
+    "vuetify": "^3.6.13"
   },
   "devDependencies": {
     "@vitejs/plugin-vue": "^5.0.5",

pkg/api/accounts.go

@@ -16,23 +16,31 @@ import (
 
 // AccountsApi represents account api
 type AccountsApi struct {
+	ApiUsingConfig
+	ApiUsingDuplicateChecker
 	accounts *services.AccountService
 }
 
 // Initialize an account api singleton instance
 var (
 	Accounts = &AccountsApi{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
+		ApiUsingDuplicateChecker: ApiUsingDuplicateChecker{
+			container: duplicatechecker.Container,
+		},
 		accounts: services.Accounts,
 	}
 )
 
 // AccountListHandler returns accounts list of current user
-func (a *AccountsApi) AccountListHandler(c *core.Context) (any, *errs.Error) {
+func (a *AccountsApi) AccountListHandler(c *core.WebContext) (any, *errs.Error) {
 	var accountListReq models.AccountListRequest
 	err := c.ShouldBindQuery(&accountListReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[accounts.AccountListHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[accounts.AccountListHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -40,7 +48,7 @@ func (a *AccountsApi) AccountListHandler(c *core.Context) (any, *errs.Error) {
 	accounts, err := a.accounts.GetAllAccountsByUid(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[accounts.AccountListHandler] failed to get all accounts for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[accounts.AccountListHandler] failed to get all accounts for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -87,12 +95,12 @@ func (a *AccountsApi) AccountListHandler(c *core.Context) (any, *errs.Error) {
 }
 
 // AccountGetHandler returns one specific account of current user
-func (a *AccountsApi) AccountGetHandler(c *core.Context) (any, *errs.Error) {
+func (a *AccountsApi) AccountGetHandler(c *core.WebContext) (any, *errs.Error) {
 	var accountGetReq models.AccountGetRequest
 	err := c.ShouldBindQuery(&accountGetReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[accounts.AccountGetHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[accounts.AccountGetHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -100,7 +108,7 @@ func (a *AccountsApi) AccountGetHandler(c *core.Context) (any, *errs.Error) {
 	accountAndSubAccounts, err := a.accounts.GetAccountAndSubAccountsByAccountId(c, uid, accountGetReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[accounts.AccountGetHandler] failed to get account \"id:%d\" for user \"uid:%d\", because %s", accountGetReq.Id, uid, err.Error())
+		log.Errorf(c, "[accounts.AccountGetHandler] failed to get account \"id:%d\" for user \"uid:%d\", because %s", accountGetReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -130,50 +138,50 @@ func (a *AccountsApi) AccountGetHandler(c *core.Context) (any, *errs.Error) {
 }
 
 // AccountCreateHandler saves a new account by request parameters for current user
-func (a *AccountsApi) AccountCreateHandler(c *core.Context) (any, *errs.Error) {
+func (a *AccountsApi) AccountCreateHandler(c *core.WebContext) (any, *errs.Error) {
 	var accountCreateReq models.AccountCreateRequest
 	err := c.ShouldBindJSON(&accountCreateReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[accounts.AccountCreateHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[accounts.AccountCreateHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
 	utcOffset, err := c.GetClientTimezoneOffset()
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[accounts.AccountCreateHandler] cannot get client timezone offset, because %s", err.Error())
+		log.Warnf(c, "[accounts.AccountCreateHandler] cannot get client timezone offset, because %s", err.Error())
 		return nil, errs.ErrClientTimezoneOffsetInvalid
 	}
 
-	if accountCreateReq.Category < models.ACCOUNT_CATEGORY_CASH || accountCreateReq.Category > models.ACCOUNT_CATEGORY_INVESTMENT {
-		log.WarnfWithRequestId(c, "[accounts.AccountCreateHandler] account category invalid, category is %d", accountCreateReq.Category)
+	if accountCreateReq.Category < models.ACCOUNT_CATEGORY_CASH || accountCreateReq.Category > models.ACCOUNT_CATEGORY_CERTIFICATE_OF_DEPOSIT {
+		log.Warnf(c, "[accounts.AccountCreateHandler] account category invalid, category is %d", accountCreateReq.Category)
 		return nil, errs.ErrAccountCategoryInvalid
 	}
 
 	if accountCreateReq.Type == models.ACCOUNT_TYPE_SINGLE_ACCOUNT {
 		if len(accountCreateReq.SubAccounts) > 0 {
-			log.WarnfWithRequestId(c, "[accounts.AccountCreateHandler] account cannot have any sub-accounts")
+			log.Warnf(c, "[accounts.AccountCreateHandler] account cannot have any sub-accounts")
 			return nil, errs.ErrAccountCannotHaveSubAccounts
 		}
 
 		if accountCreateReq.Currency == validators.ParentAccountCurrencyPlaceholder {
-			log.WarnfWithRequestId(c, "[accounts.AccountCreateHandler] account cannot set currency placeholder")
+			log.Warnf(c, "[accounts.AccountCreateHandler] account cannot set currency placeholder")
 			return nil, errs.ErrAccountCurrencyInvalid
 		}
 	} else if accountCreateReq.Type == models.ACCOUNT_TYPE_MULTI_SUB_ACCOUNTS {
 		if len(accountCreateReq.SubAccounts) < 1 {
-			log.WarnfWithRequestId(c, "[accounts.AccountCreateHandler] account does not have any sub-accounts")
+			log.Warnf(c, "[accounts.AccountCreateHandler] account does not have any sub-accounts")
 			return nil, errs.ErrAccountHaveNoSubAccount
 		}
 
 		if accountCreateReq.Currency != validators.ParentAccountCurrencyPlaceholder {
-			log.WarnfWithRequestId(c, "[accounts.AccountCreateHandler] parent account cannot set currency")
+			log.Warnf(c, "[accounts.AccountCreateHandler] parent account cannot set currency")
 			return nil, errs.ErrParentAccountCannotSetCurrency
 		}
 
 		if accountCreateReq.Balance != 0 {
-			log.WarnfWithRequestId(c, "[accounts.AccountCreateHandler] parent account cannot set balance")
+			log.Warnf(c, "[accounts.AccountCreateHandler] parent account cannot set balance")
 			return nil, errs.ErrParentAccountCannotSetBalance
 		}
 
@@ -181,22 +189,22 @@ func (a *AccountsApi) AccountCreateHandler(c *core.Context) (any, *errs.Error) {
 			subAccount := accountCreateReq.SubAccounts[i]
 
 			if subAccount.Category != accountCreateReq.Category {
-				log.WarnfWithRequestId(c, "[accounts.AccountCreateHandler] category of sub-account not equals to parent")
+				log.Warnf(c, "[accounts.AccountCreateHandler] category of sub-account not equals to parent")
 				return nil, errs.ErrSubAccountCategoryNotEqualsToParent
 			}
 
 			if subAccount.Type != models.ACCOUNT_TYPE_SINGLE_ACCOUNT {
-				log.WarnfWithRequestId(c, "[accounts.AccountCreateHandler] sub-account type invalid")
+				log.Warnf(c, "[accounts.AccountCreateHandler] sub-account type invalid")
 				return nil, errs.ErrSubAccountTypeInvalid
 			}
 
 			if subAccount.Currency == validators.ParentAccountCurrencyPlaceholder {
-				log.WarnfWithRequestId(c, "[accounts.AccountCreateHandler] sub-account cannot set currency placeholder")
+				log.Warnf(c, "[accounts.AccountCreateHandler] sub-account cannot set currency placeholder")
 				return nil, errs.ErrAccountCurrencyInvalid
 			}
 		}
 	} else {
-		log.WarnfWithRequestId(c, "[accounts.AccountCreateHandler] account type invalid, type is %d", accountCreateReq.Type)
+		log.Warnf(c, "[accounts.AccountCreateHandler] account type invalid, type is %d", accountCreateReq.Type)
 		return nil, errs.ErrAccountTypeInvalid
 	}
 
@@ -204,25 +212,25 @@ func (a *AccountsApi) AccountCreateHandler(c *core.Context) (any, *errs.Error) {
 	maxOrderId, err := a.accounts.GetMaxDisplayOrder(c, uid, accountCreateReq.Category)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[accounts.AccountCreateHandler] failed to get max display order for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[accounts.AccountCreateHandler] failed to get max display order for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
 	mainAccount := a.createNewAccountModel(uid, &accountCreateReq, maxOrderId+1)
 	childrenAccounts := a.createSubAccountModels(uid, &accountCreateReq)
 
-	if settings.Container.Current.EnableDuplicateSubmissionsCheck && accountCreateReq.ClientSessionId != "" {
-		found, remark := duplicatechecker.Container.Get(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_ACCOUNT, uid, accountCreateReq.ClientSessionId)
+	if a.CurrentConfig().EnableDuplicateSubmissionsCheck && accountCreateReq.ClientSessionId != "" {
+		found, remark := a.GetSubmissionRemark(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_ACCOUNT, uid, accountCreateReq.ClientSessionId)
 
 		if found {
-			log.InfofWithRequestId(c, "[accounts.AccountCreateHandler] another account \"id:%s\" has been created for user \"uid:%d\"", remark, uid)
+			log.Infof(c, "[accounts.AccountCreateHandler] another account \"id:%s\" has been created for user \"uid:%d\"", remark, uid)
 			accountId, err := utils.StringToInt64(remark)
 
 			if err == nil {
 				accountAndSubAccounts, err := a.accounts.GetAccountAndSubAccountsByAccountId(c, uid, accountId)
 
 				if err != nil {
-					log.ErrorfWithRequestId(c, "[accounts.AccountCreateHandler] failed to get existed account \"id:%d\" for user \"uid:%d\", because %s", accountId, uid, err.Error())
+					log.Errorf(c, "[accounts.AccountCreateHandler] failed to get existed account \"id:%d\" for user \"uid:%d\", because %s", accountId, uid, err.Error())
 					return nil, errs.Or(err, errs.ErrOperationFailed)
 				}
 
@@ -250,13 +258,13 @@ func (a *AccountsApi) AccountCreateHandler(c *core.Context) (any, *errs.Error) {
 	err = a.accounts.CreateAccounts(c, mainAccount, childrenAccounts, utcOffset)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[accounts.AccountCreateHandler] failed to create account \"id:%d\" for user \"uid:%d\", because %s", mainAccount.AccountId, uid, err.Error())
+		log.Errorf(c, "[accounts.AccountCreateHandler] failed to create account \"id:%d\" for user \"uid:%d\", because %s", mainAccount.AccountId, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[accounts.AccountCreateHandler] user \"uid:%d\" has created a new account \"id:%d\" successfully", uid, mainAccount.AccountId)
+	log.Infof(c, "[accounts.AccountCreateHandler] user \"uid:%d\" has created a new account \"id:%d\" successfully", uid, mainAccount.AccountId)
 
-	duplicatechecker.Container.Set(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_ACCOUNT, uid, accountCreateReq.ClientSessionId, utils.Int64ToString(mainAccount.AccountId))
+	a.SetSubmissionRemark(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_ACCOUNT, uid, accountCreateReq.ClientSessionId, utils.Int64ToString(mainAccount.AccountId))
 	accountInfoResp := mainAccount.ToAccountInfoResponse()
 
 	if len(childrenAccounts) > 0 {
@@ -271,17 +279,17 @@ func (a *AccountsApi) AccountCreateHandler(c *core.Context) (any, *errs.Error) {
 }
 
 // AccountModifyHandler saves an existed account by request parameters for current user
-func (a *AccountsApi) AccountModifyHandler(c *core.Context) (any, *errs.Error) {
+func (a *AccountsApi) AccountModifyHandler(c *core.WebContext) (any, *errs.Error) {
 	var accountModifyReq models.AccountModifyRequest
 	err := c.ShouldBindJSON(&accountModifyReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[accounts.AccountModifyHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[accounts.AccountModifyHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
-	if accountModifyReq.Category < models.ACCOUNT_CATEGORY_CASH || accountModifyReq.Category > models.ACCOUNT_CATEGORY_INVESTMENT {
-		log.WarnfWithRequestId(c, "[accounts.AccountModifyHandler] account category invalid, category is %d", accountModifyReq.Category)
+	if accountModifyReq.Category < models.ACCOUNT_CATEGORY_CASH || accountModifyReq.Category > models.ACCOUNT_CATEGORY_CERTIFICATE_OF_DEPOSIT {
+		log.Warnf(c, "[accounts.AccountModifyHandler] account category invalid, category is %d", accountModifyReq.Category)
 		return nil, errs.ErrAccountCategoryInvalid
 	}
 
@@ -289,7 +297,7 @@ func (a *AccountsApi) AccountModifyHandler(c *core.Context) (any, *errs.Error) {
 	accountAndSubAccounts, err := a.accounts.GetAccountAndSubAccountsByAccountId(c, uid, accountModifyReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[accounts.AccountModifyHandler] failed to get account \"id:%d\" for user \"uid:%d\", because %s", accountModifyReq.Id, uid, err.Error())
+		log.Errorf(c, "[accounts.AccountModifyHandler] failed to get account \"id:%d\" for user \"uid:%d\", because %s", accountModifyReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -335,11 +343,11 @@ func (a *AccountsApi) AccountModifyHandler(c *core.Context) (any, *errs.Error) {
 	err = a.accounts.ModifyAccounts(c, uid, toUpdateAccounts)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[accounts.AccountModifyHandler] failed to update account \"id:%d\" for user \"uid:%d\", because %s", accountModifyReq.Id, uid, err.Error())
+		log.Errorf(c, "[accounts.AccountModifyHandler] failed to update account \"id:%d\" for user \"uid:%d\", because %s", accountModifyReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[accounts.AccountModifyHandler] user \"uid:%d\" has updated account \"id:%d\" successfully", uid, accountModifyReq.Id)
+	log.Infof(c, "[accounts.AccountModifyHandler] user \"uid:%d\" has updated account \"id:%d\" successfully", uid, accountModifyReq.Id)
 
 	accountRespMap := make(map[int64]*models.AccountInfoResponse)
 
@@ -382,12 +390,12 @@ func (a *AccountsApi) AccountModifyHandler(c *core.Context) (any, *errs.Error) {
 }
 
 // AccountHideHandler hides an existed account by request parameters for current user
-func (a *AccountsApi) AccountHideHandler(c *core.Context) (any, *errs.Error) {
+func (a *AccountsApi) AccountHideHandler(c *core.WebContext) (any, *errs.Error) {
 	var accountHideReq models.AccountHideRequest
 	err := c.ShouldBindJSON(&accountHideReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[accounts.AccountHideHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[accounts.AccountHideHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -395,21 +403,21 @@ func (a *AccountsApi) AccountHideHandler(c *core.Context) (any, *errs.Error) {
 	err = a.accounts.HideAccount(c, uid, []int64{accountHideReq.Id}, accountHideReq.Hidden)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[accounts.AccountHideHandler] failed to hide account \"id:%d\" for user \"uid:%d\", because %s", accountHideReq.Id, uid, err.Error())
+		log.Errorf(c, "[accounts.AccountHideHandler] failed to hide account \"id:%d\" for user \"uid:%d\", because %s", accountHideReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[accounts.AccountHideHandler] user \"uid:%d\" has hidden account \"id:%d\"", uid, accountHideReq.Id)
+	log.Infof(c, "[accounts.AccountHideHandler] user \"uid:%d\" has hidden account \"id:%d\"", uid, accountHideReq.Id)
 	return true, nil
 }
 
 // AccountMoveHandler moves display order of existed accounts by request parameters for current user
-func (a *AccountsApi) AccountMoveHandler(c *core.Context) (any, *errs.Error) {
+func (a *AccountsApi) AccountMoveHandler(c *core.WebContext) (any, *errs.Error) {
 	var accountMoveReq models.AccountMoveRequest
 	err := c.ShouldBindJSON(&accountMoveReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[accounts.AccountMoveHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[accounts.AccountMoveHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -430,21 +438,21 @@ func (a *AccountsApi) AccountMoveHandler(c *core.Context) (any, *errs.Error) {
 	err = a.accounts.ModifyAccountDisplayOrders(c, uid, accounts)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[accounts.AccountMoveHandler] failed to move accounts for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[accounts.AccountMoveHandler] failed to move accounts for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[accounts.AccountMoveHandler] user \"uid:%d\" has moved accounts", uid)
+	log.Infof(c, "[accounts.AccountMoveHandler] user \"uid:%d\" has moved accounts", uid)
 	return true, nil
 }
 
 // AccountDeleteHandler deletes an existed account by request parameters for current user
-func (a *AccountsApi) AccountDeleteHandler(c *core.Context) (any, *errs.Error) {
+func (a *AccountsApi) AccountDeleteHandler(c *core.WebContext) (any, *errs.Error) {
 	var accountDeleteReq models.AccountDeleteRequest
 	err := c.ShouldBindJSON(&accountDeleteReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[accounts.AccountDeleteHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[accounts.AccountDeleteHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -452,11 +460,11 @@ func (a *AccountsApi) AccountDeleteHandler(c *core.Context) (any, *errs.Error) {
 	err = a.accounts.DeleteAccount(c, uid, accountDeleteReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[accounts.AccountDeleteHandler] failed to delete account \"id:%d\" for user \"uid:%d\", because %s", accountDeleteReq.Id, uid, err.Error())
+		log.Errorf(c, "[accounts.AccountDeleteHandler] failed to delete account \"id:%d\" for user \"uid:%d\", because %s", accountDeleteReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[accounts.AccountDeleteHandler] user \"uid:%d\" has deleted account \"id:%d\"", uid, accountDeleteReq.Id)
+	log.Infof(c, "[accounts.AccountDeleteHandler] user \"uid:%d\" has deleted account \"id:%d\"", uid, accountDeleteReq.Id)
 	return true, nil
 }
 

pkg/api/amap_api_proxies.go

@@ -18,15 +18,20 @@ const amapRestApiUrl = "https://restapi.amap.com/"
 
 // AmapApiProxy represents amap api proxy
 type AmapApiProxy struct {
+	ApiUsingConfig
 }
 
 // Initialize a amap api proxy singleton instance
 var (
-	AmapApis = &AmapApiProxy{}
+	AmapApis = &AmapApiProxy{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
+	}
 )
 
 // AmapApiProxyHandler returns amap api response
-func (p *AmapApiProxy) AmapApiProxyHandler(c *core.Context) (*httputil.ReverseProxy, *errs.Error) {
+func (p *AmapApiProxy) AmapApiProxyHandler(c *core.WebContext) (*httputil.ReverseProxy, *errs.Error) {
 	var targetUrl string
 
 	if strings.HasPrefix(c.Request.RequestURI, "/_AMapService/v4/map/styles") {
@@ -38,7 +43,7 @@ func (p *AmapApiProxy) AmapApiProxyHandler(c *core.Context) (*httputil.ReversePr
 	}
 
 	director := func(req *http.Request) {
-		targetRawUrl := fmt.Sprintf("%s?%s&jscode=%s", targetUrl, req.URL.RawQuery, settings.Container.Current.AmapApplicationSecret)
+		targetRawUrl := fmt.Sprintf("%s?%s&jscode=%s", targetUrl, req.URL.RawQuery, p.CurrentConfig().AmapApplicationSecret)
 		targetUrl, _ := url.Parse(targetRawUrl)
 
 		oldCookies := req.Cookies()

pkg/api/authorizations.go

@@ -3,6 +3,7 @@ package api
 import (
 	"github.com/pquerna/otp/totp"
 
+	"github.com/mayswind/ezbookkeeping/pkg/avatars"
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
@@ -13,6 +14,8 @@ import (
 
 // AuthorizationsApi represents authorization api
 type AuthorizationsApi struct {
+	ApiUsingConfig
+	ApiWithUserInfo
 	users                   *services.UserService
 	tokens                  *services.TokenService
 	twoFactorAuthorizations *services.TwoFactorAuthorizationService
@@ -21,6 +24,17 @@ type AuthorizationsApi struct {
 // Initialize a authorization api singleton instance
 var (
 	Authorizations = &AuthorizationsApi{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
+		ApiWithUserInfo: ApiWithUserInfo{
+			ApiUsingConfig: ApiUsingConfig{
+				container: settings.Container,
+			},
+			ApiUsingAvatarProvider: ApiUsingAvatarProvider{
+				container: avatars.Container,
+			},
+		},
 		users:                   services.Users,
 		tokens:                  services.Tokens,
 		twoFactorAuthorizations: services.TwoFactorAuthorizations,
@@ -28,36 +42,36 @@ var (
 )
 
 // AuthorizeHandler verifies and authorizes current login request
-func (a *AuthorizationsApi) AuthorizeHandler(c *core.Context) (any, *errs.Error) {
+func (a *AuthorizationsApi) AuthorizeHandler(c *core.WebContext) (any, *errs.Error) {
 	var credential models.UserLoginRequest
 	err := c.ShouldBindJSON(&credential)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[authorizations.AuthorizeHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[authorizations.AuthorizeHandler] parse request failed, because %s", err.Error())
 		return nil, errs.ErrLoginNameOrPasswordInvalid
 	}
 
 	user, err := a.users.GetUserByUsernameOrEmailAndPassword(c, credential.LoginName, credential.Password)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[authorizations.AuthorizeHandler] login failed for user \"%s\", because %s", credential.LoginName, err.Error())
+		log.Warnf(c, "[authorizations.AuthorizeHandler] login failed for user \"%s\", because %s", credential.LoginName, err.Error())
 		return nil, errs.ErrLoginNameOrPasswordWrong
 	}
 
 	if user.Disabled {
-		log.WarnfWithRequestId(c, "[authorizations.AuthorizeHandler] login failed for user \"%s\", because user is disabled", credential.LoginName)
+		log.Warnf(c, "[authorizations.AuthorizeHandler] login failed for user \"%s\", because user is disabled", credential.LoginName)
 		return nil, errs.ErrUserIsDisabled
 	}
 
-	if settings.Container.Current.EnableUserForceVerifyEmail && !user.EmailVerified {
+	if a.CurrentConfig().EnableUserForceVerifyEmail && !user.EmailVerified {
 		hasValidEmailVerifyToken, err := a.tokens.ExistsValidTokenByType(c, user.Uid, core.USER_TOKEN_TYPE_EMAIL_VERIFY)
 
 		if err != nil {
-			log.WarnfWithRequestId(c, "[authorizations.AuthorizeHandler] failed check whether user \"uid:%d\" has valid verify email token, because %s", user.Uid, err.Error())
+			log.Warnf(c, "[authorizations.AuthorizeHandler] failed check whether user \"uid:%d\" has valid verify email token, because %s", user.Uid, err.Error())
 			hasValidEmailVerifyToken = false
 		}
 
-		log.WarnfWithRequestId(c, "[authorizations.AuthorizeHandler] login failed for user \"%s\", because user has not verified email", credential.LoginName)
+		log.Warnf(c, "[authorizations.AuthorizeHandler] login failed for user \"%s\", because user has not verified email", credential.LoginName)
 
 		return nil, errs.NewErrorWithContext(errs.ErrEmailIsNotVerified, map[string]any{
 			"email":                    user.Email,
@@ -68,7 +82,7 @@ func (a *AuthorizationsApi) AuthorizeHandler(c *core.Context) (any, *errs.Error)
 	err = a.users.UpdateUserLastLoginTime(c, user.Uid)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[authorizations.AuthorizeHandler] failed to update last login time for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Warnf(c, "[authorizations.AuthorizeHandler] failed to update last login time for user \"uid:%d\", because %s", user.Uid, err.Error())
 	}
 
 	twoFactorEnable := a.tokens.CurrentConfig().EnableTwoFactor
@@ -77,7 +91,7 @@ func (a *AuthorizationsApi) AuthorizeHandler(c *core.Context) (any, *errs.Error)
 		twoFactorEnable, err = a.twoFactorAuthorizations.ExistsTwoFactorSetting(c, user.Uid)
 
 		if err != nil {
-			log.ErrorfWithRequestId(c, "[authorizations.AuthorizeHandler] failed to check two-factor setting for user \"uid:%d\", because %s", user.Uid, err.Error())
+			log.Errorf(c, "[authorizations.AuthorizeHandler] failed to check two-factor setting for user \"uid:%d\", because %s", user.Uid, err.Error())
 			return nil, errs.Or(err, errs.ErrSystemError)
 		}
 	}
@@ -92,7 +106,7 @@ func (a *AuthorizationsApi) AuthorizeHandler(c *core.Context) (any, *errs.Error)
 	}
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[authorizations.AuthorizeHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[authorizations.AuthorizeHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.ErrTokenGenerating
 	}
 
@@ -102,19 +116,19 @@ func (a *AuthorizationsApi) AuthorizeHandler(c *core.Context) (any, *errs.Error)
 
 	c.SetTokenClaims(claims)
 
-	log.InfofWithRequestId(c, "[authorizations.AuthorizeHandler] user \"uid:%d\" has logined, token type is %d, token will be expired at %d", user.Uid, claims.Type, claims.ExpiresAt)
+	log.Infof(c, "[authorizations.AuthorizeHandler] user \"uid:%d\" has logined, token type is %d, token will be expired at %d", user.Uid, claims.Type, claims.ExpiresAt)
 
 	authResp := a.getAuthResponse(c, token, twoFactorEnable, user)
 	return authResp, nil
 }
 
 // TwoFactorAuthorizeHandler verifies and authorizes current 2fa login by passcode
-func (a *AuthorizationsApi) TwoFactorAuthorizeHandler(c *core.Context) (any, *errs.Error) {
+func (a *AuthorizationsApi) TwoFactorAuthorizeHandler(c *core.WebContext) (any, *errs.Error) {
 	var credential models.TwoFactorLoginRequest
 	err := c.ShouldBindJSON(&credential)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[authorizations.TwoFactorAuthorizeHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[authorizations.TwoFactorAuthorizeHandler] parse request failed, because %s", err.Error())
 		return nil, errs.ErrPasscodeInvalid
 	}
 
@@ -122,29 +136,29 @@ func (a *AuthorizationsApi) TwoFactorAuthorizeHandler(c *core.Context) (any, *er
 	twoFactorSetting, err := a.twoFactorAuthorizations.GetUserTwoFactorSettingByUid(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[authorizations.TwoFactorAuthorizeHandler] failed to get two-factor setting for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[authorizations.TwoFactorAuthorizeHandler] failed to get two-factor setting for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrSystemError)
 	}
 
 	if !totp.Validate(credential.Passcode, twoFactorSetting.Secret) {
-		log.WarnfWithRequestId(c, "[authorizations.TwoFactorAuthorizeHandler] passcode is invalid for user \"uid:%d\"", uid)
+		log.Warnf(c, "[authorizations.TwoFactorAuthorizeHandler] passcode is invalid for user \"uid:%d\"", uid)
 		return nil, errs.ErrPasscodeInvalid
 	}
 
 	user, err := a.users.GetUserById(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[authorizations.TwoFactorAuthorizeHandler] failed to get user \"uid:%d\" info, because %s", user.Uid, err.Error())
+		log.Errorf(c, "[authorizations.TwoFactorAuthorizeHandler] failed to get user \"uid:%d\" info, because %s", user.Uid, err.Error())
 		return nil, errs.ErrUserNotFound
 	}
 
 	if user.Disabled {
-		log.WarnfWithRequestId(c, "[authorizations.TwoFactorAuthorizeHandler] user \"uid:%d\" is disabled", user.Uid)
+		log.Warnf(c, "[authorizations.TwoFactorAuthorizeHandler] user \"uid:%d\" is disabled", user.Uid)
 		return nil, errs.ErrUserIsDisabled
 	}
 
-	if settings.Container.Current.EnableUserForceVerifyEmail && !user.EmailVerified {
-		log.WarnfWithRequestId(c, "[authorizations.TwoFactorAuthorizeHandler] user \"uid:%d\" has not verified email", user.Uid)
+	if a.CurrentConfig().EnableUserForceVerifyEmail && !user.EmailVerified {
+		log.Warnf(c, "[authorizations.TwoFactorAuthorizeHandler] user \"uid:%d\" has not verified email", user.Uid)
 		return nil, errs.ErrEmailIsNotVerified
 	}
 
@@ -152,32 +166,32 @@ func (a *AuthorizationsApi) TwoFactorAuthorizeHandler(c *core.Context) (any, *er
 	err = a.tokens.DeleteTokenByClaims(c, oldTokenClaims)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[authorizations.TwoFactorAuthorizeHandler] failed to revoke temporary token \"utid:%s\" for user \"uid:%d\", because %s", oldTokenClaims.UserTokenId, user.Uid, err.Error())
+		log.Warnf(c, "[authorizations.TwoFactorAuthorizeHandler] failed to revoke temporary token \"utid:%s\" for user \"uid:%d\", because %s", oldTokenClaims.UserTokenId, user.Uid, err.Error())
 	}
 
 	token, claims, err := a.tokens.CreateToken(c, user)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[authorizations.TwoFactorAuthorizeHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[authorizations.TwoFactorAuthorizeHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.ErrTokenGenerating
 	}
 
 	c.SetTextualToken(token)
 	c.SetTokenClaims(claims)
 
-	log.InfofWithRequestId(c, "[authorizations.TwoFactorAuthorizeHandler] user \"uid:%d\" has authorized two-factor via passcode, token will be expired at %d", user.Uid, claims.ExpiresAt)
+	log.Infof(c, "[authorizations.TwoFactorAuthorizeHandler] user \"uid:%d\" has authorized two-factor via passcode, token will be expired at %d", user.Uid, claims.ExpiresAt)
 
 	authResp := a.getAuthResponse(c, token, false, user)
 	return authResp, nil
 }
 
 // TwoFactorAuthorizeByRecoveryCodeHandler verifies and authorizes current 2fa login by recovery code
-func (a *AuthorizationsApi) TwoFactorAuthorizeByRecoveryCodeHandler(c *core.Context) (any, *errs.Error) {
+func (a *AuthorizationsApi) TwoFactorAuthorizeByRecoveryCodeHandler(c *core.WebContext) (any, *errs.Error) {
 	var credential models.TwoFactorRecoveryCodeLoginRequest
 	err := c.ShouldBindJSON(&credential)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] parse request failed, because %s", err.Error())
 		return nil, errs.ErrTwoFactorRecoveryCodeInvalid
 	}
 
@@ -185,7 +199,7 @@ func (a *AuthorizationsApi) TwoFactorAuthorizeByRecoveryCodeHandler(c *core.Cont
 	enableTwoFactor, err := a.twoFactorAuthorizations.ExistsTwoFactorSetting(c, uid)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] failed to get two-factor setting for user \"uid:%d\", because %s", uid, err.Error())
+		log.Warnf(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] failed to get two-factor setting for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrSystemError)
 	}
 
@@ -196,24 +210,24 @@ func (a *AuthorizationsApi) TwoFactorAuthorizeByRecoveryCodeHandler(c *core.Cont
 	user, err := a.users.GetUserById(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] failed to get user \"uid:%d\" info, because %s", user.Uid, err.Error())
+		log.Errorf(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] failed to get user \"uid:%d\" info, because %s", user.Uid, err.Error())
 		return nil, errs.ErrUserNotFound
 	}
 
 	if user.Disabled {
-		log.WarnfWithRequestId(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] user \"uid:%d\" is disabled", user.Uid)
+		log.Warnf(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] user \"uid:%d\" is disabled", user.Uid)
 		return nil, errs.ErrUserIsDisabled
 	}
 
-	if settings.Container.Current.EnableUserForceVerifyEmail && !user.EmailVerified {
-		log.WarnfWithRequestId(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] user \"uid:%d\" has not verified email", user.Uid)
+	if a.CurrentConfig().EnableUserForceVerifyEmail && !user.EmailVerified {
+		log.Warnf(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] user \"uid:%d\" has not verified email", user.Uid)
 		return nil, errs.ErrEmailIsNotVerified
 	}
 
 	err = a.twoFactorAuthorizations.GetAndUseUserTwoFactorRecoveryCode(c, uid, credential.RecoveryCode, user.Salt)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] failed to get two-factor recovery code for user \"uid:%d\", because %s", uid, err.Error())
+		log.Warnf(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] failed to get two-factor recovery code for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrTwoFactorRecoveryCodeNotExist)
 	}
 
@@ -221,30 +235,30 @@ func (a *AuthorizationsApi) TwoFactorAuthorizeByRecoveryCodeHandler(c *core.Cont
 	err = a.tokens.DeleteTokenByClaims(c, oldTokenClaims)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] failed to revoke temporary token \"utid:%s\" for user \"uid:%d\", because %s", oldTokenClaims.UserTokenId, user.Uid, err.Error())
+		log.Warnf(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] failed to revoke temporary token \"utid:%s\" for user \"uid:%d\", because %s", oldTokenClaims.UserTokenId, user.Uid, err.Error())
 	}
 
 	token, claims, err := a.tokens.CreateToken(c, user)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.ErrTokenGenerating
 	}
 
 	c.SetTextualToken(token)
 	c.SetTokenClaims(claims)
 
-	log.InfofWithRequestId(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] user \"uid:%d\" has authorized two-factor via recovery code \"%s\", token will be expired at %d", user.Uid, credential.RecoveryCode, claims.ExpiresAt)
+	log.Infof(c, "[authorizations.TwoFactorAuthorizeByRecoveryCodeHandler] user \"uid:%d\" has authorized two-factor via recovery code \"%s\", token will be expired at %d", user.Uid, credential.RecoveryCode, claims.ExpiresAt)
 
 	authResp := a.getAuthResponse(c, token, false, user)
 	return authResp, nil
 }
 
-func (a *AuthorizationsApi) getAuthResponse(c *core.Context, token string, need2FA bool, user *models.User) *models.AuthResponse {
+func (a *AuthorizationsApi) getAuthResponse(c *core.WebContext, token string, need2FA bool, user *models.User) *models.AuthResponse {
 	return &models.AuthResponse{
 		Token:               token,
 		Need2FA:             need2FA,
-		User:                user.ToUserBasicInfo(),
-		NotificationContent: settings.Container.GetAfterLoginNotificationContent(user.Language, c.GetClientLocale()),
+		User:                a.GetUserBasicInfo(user),
+		NotificationContent: a.GetAfterLoginNotificationContent(user.Language, c.GetClientLocale()),
 	}
 }

pkg/api/base.go

@@ -0,0 +1,135 @@
+package api
+
+import (
+	"fmt"
+	"sort"
+
+	"github.com/mayswind/ezbookkeeping/pkg/avatars"
+	"github.com/mayswind/ezbookkeeping/pkg/duplicatechecker"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/settings"
+)
+
+const internalTransactionPictureUrlFormat = "%spictures/%d.%s"
+
+// ApiUsingConfig represents an api that need to use config
+type ApiUsingConfig struct {
+	container *settings.ConfigContainer
+}
+
+// CurrentConfig returns the current config
+func (a *ApiUsingConfig) CurrentConfig() *settings.Config {
+	return a.container.Current
+}
+
+// GetTransactionPictureInfoResponse returns the view-object of transaction picture basic info according to the transaction picture model
+func (a *ApiUsingConfig) GetTransactionPictureInfoResponse(pictureInfo *models.TransactionPictureInfo) *models.TransactionPictureInfoBasicResponse {
+	originalUrl := fmt.Sprintf(internalTransactionPictureUrlFormat, a.CurrentConfig().RootUrl, pictureInfo.PictureId, pictureInfo.PictureExtension)
+	return pictureInfo.ToTransactionPictureInfoBasicResponse(originalUrl)
+}
+
+// GetTransactionPictureInfoResponseList returns the view-object list of transaction picture basic info according to the transaction picture model
+func (a *ApiUsingConfig) GetTransactionPictureInfoResponseList(pictureInfos []*models.TransactionPictureInfo) models.TransactionPictureInfoBasicResponseSlice {
+	pictureInfoResps := make(models.TransactionPictureInfoBasicResponseSlice, len(pictureInfos))
+
+	for i := 0; i < len(pictureInfos); i++ {
+		pictureInfoResps[i] = a.GetTransactionPictureInfoResponse(pictureInfos[i])
+	}
+
+	sort.Sort(pictureInfoResps)
+
+	return pictureInfoResps
+}
+
+// GetAfterRegisterNotificationContent returns the notification content displayed each time users register
+func (a *ApiUsingConfig) GetAfterRegisterNotificationContent(userLanguage string, clientLanguage string) string {
+	language := userLanguage
+
+	if language == "" {
+		language = clientLanguage
+	}
+
+	if !a.container.Current.AfterRegisterNotification.Enabled {
+		return ""
+	}
+
+	if multiLanguageContent, exists := a.container.Current.AfterRegisterNotification.MultiLanguageContent[language]; exists {
+		return multiLanguageContent
+	}
+
+	return a.container.Current.AfterRegisterNotification.DefaultContent
+}
+
+// GetAfterLoginNotificationContent returns the notification content displayed each time users log in
+func (a *ApiUsingConfig) GetAfterLoginNotificationContent(userLanguage string, clientLanguage string) string {
+	language := userLanguage
+
+	if language == "" {
+		language = clientLanguage
+	}
+
+	if !a.container.Current.AfterLoginNotification.Enabled {
+		return ""
+	}
+
+	if multiLanguageContent, exists := a.container.Current.AfterLoginNotification.MultiLanguageContent[language]; exists {
+		return multiLanguageContent
+	}
+
+	return a.container.Current.AfterLoginNotification.DefaultContent
+}
+
+// GetAfterOpenNotificationContent returns the notification content displayed each time users open the app
+func (a *ApiUsingConfig) GetAfterOpenNotificationContent(userLanguage string, clientLanguage string) string {
+	language := userLanguage
+
+	if language == "" {
+		language = clientLanguage
+	}
+
+	if !a.container.Current.AfterOpenNotification.Enabled {
+		return ""
+	}
+
+	if multiLanguageContent, exists := a.container.Current.AfterOpenNotification.MultiLanguageContent[language]; exists {
+		return multiLanguageContent
+	}
+
+	return a.container.Current.AfterOpenNotification.DefaultContent
+}
+
+// ApiUsingDuplicateChecker represents an api that need to use duplicate checker
+type ApiUsingDuplicateChecker struct {
+	container *duplicatechecker.DuplicateCheckerContainer
+}
+
+// GetSubmissionRemark returns whether the same submission has been processed and related remark by the current duplicate checker
+func (a *ApiUsingDuplicateChecker) GetSubmissionRemark(checkerType duplicatechecker.DuplicateCheckerType, uid int64, identification string) (bool, string) {
+	return a.container.GetSubmissionRemark(checkerType, uid, identification)
+}
+
+// SetSubmissionRemark saves the identification and remark to in-memory cache by the current duplicate checker
+func (a *ApiUsingDuplicateChecker) SetSubmissionRemark(checkerType duplicatechecker.DuplicateCheckerType, uid int64, identification string, remark string) {
+	a.container.SetSubmissionRemark(checkerType, uid, identification, remark)
+}
+
+// ApiUsingAvatarProvider represents an api that need to use avatar provider
+type ApiUsingAvatarProvider struct {
+	container *avatars.AvatarProviderContainer
+}
+
+// GetAvatarUrl returns the avatar url by the current user avatar provider
+func (a *ApiUsingAvatarProvider) GetAvatarUrl(user *models.User) string {
+	return a.container.GetAvatarUrl(user)
+}
+
+// ApiWithUserInfo represents an api that can returns user info
+type ApiWithUserInfo struct {
+	ApiUsingConfig
+	ApiUsingAvatarProvider
+}
+
+// GetUserBasicInfo returns the view-object of user basic info according to the user model
+func (a *ApiWithUserInfo) GetUserBasicInfo(user *models.User) *models.UserBasicInfo {
+	return user.ToUserBasicInfo(a.CurrentConfig().AvatarProvider, a.GetAvatarUrl(user))
+}

pkg/api/data_managements.go

@@ -19,77 +19,93 @@ const pageCountForDataExport = 1000
 
 // DataManagementsApi represents data management api
 type DataManagementsApi struct {
-	ezBookKeepingCsvExporter *converters.EzBookKeepingCSVFileExporter
-	ezBookKeepingTsvExporter *converters.EzBookKeepingTSVFileExporter
+	ApiUsingConfig
 	tokens       *services.TokenService
 	users        *services.UserService
 	accounts     *services.AccountService
 	transactions *services.TransactionService
 	categories   *services.TransactionCategoryService
 	tags         *services.TransactionTagService
+	pictures     *services.TransactionPictureService
 	templates    *services.TransactionTemplateService
 }
 
 // Initialize a data management api singleton instance
 var (
 	DataManagements = &DataManagementsApi{
-		ezBookKeepingCsvExporter: &converters.EzBookKeepingCSVFileExporter{},
-		ezBookKeepingTsvExporter: &converters.EzBookKeepingTSVFileExporter{},
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
 		tokens:       services.Tokens,
 		users:        services.Users,
 		accounts:     services.Accounts,
 		transactions: services.Transactions,
 		categories:   services.TransactionCategories,
 		tags:         services.TransactionTags,
+		pictures:     services.TransactionPictures,
 		templates:    services.TransactionTemplates,
 	}
 )
 
 // ExportDataToEzbookkeepingCSVHandler returns exported data in csv format
-func (a *DataManagementsApi) ExportDataToEzbookkeepingCSVHandler(c *core.Context) ([]byte, string, *errs.Error) {
+func (a *DataManagementsApi) ExportDataToEzbookkeepingCSVHandler(c *core.WebContext) ([]byte, string, *errs.Error) {
 	return a.getExportedFileContent(c, "csv")
 }
 
 // ExportDataToEzbookkeepingTSVHandler returns exported data in csv format
-func (a *DataManagementsApi) ExportDataToEzbookkeepingTSVHandler(c *core.Context) ([]byte, string, *errs.Error) {
+func (a *DataManagementsApi) ExportDataToEzbookkeepingTSVHandler(c *core.WebContext) ([]byte, string, *errs.Error) {
 	return a.getExportedFileContent(c, "tsv")
 }
 
 // DataStatisticsHandler returns user data statistics
-func (a *DataManagementsApi) DataStatisticsHandler(c *core.Context) (any, *errs.Error) {
+func (a *DataManagementsApi) DataStatisticsHandler(c *core.WebContext) (any, *errs.Error) {
 	uid := c.GetCurrentUid()
 	totalAccountCount, err := a.accounts.GetTotalAccountCountByUid(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.DataStatisticsHandler] failed to get total account count for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[data_managements.DataStatisticsHandler] failed to get total account count for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.ErrOperationFailed
 	}
 
 	totalTransactionCategoryCount, err := a.categories.GetTotalCategoryCountByUid(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.DataStatisticsHandler] failed to get total transaction category count for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[data_managements.DataStatisticsHandler] failed to get total transaction category count for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.ErrOperationFailed
 	}
 
 	totalTransactionTagCount, err := a.tags.GetTotalTagCountByUid(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.DataStatisticsHandler] failed to get total transaction tag count for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[data_managements.DataStatisticsHandler] failed to get total transaction tag count for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.ErrOperationFailed
 	}
 
 	totalTransactionCount, err := a.transactions.GetTotalTransactionCountByUid(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.DataStatisticsHandler] failed to get total transaction count for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[data_managements.DataStatisticsHandler] failed to get total transaction count for user \"uid:%d\", because %s", uid, err.Error())
+		return nil, errs.ErrOperationFailed
+	}
+
+	totalTransactionPictureCount, err := a.pictures.GetTotalTransactionPicturesCountByUid(c, uid)
+
+	if err != nil {
+		log.Errorf(c, "[data_managements.DataStatisticsHandler] failed to get total transaction picture count for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.ErrOperationFailed
 	}
 
 	totalTransactionTemplateCount, err := a.templates.GetTotalNormalTemplateCountByUid(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.DataStatisticsHandler] failed to get total transaction template count for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[data_managements.DataStatisticsHandler] failed to get total transaction template count for user \"uid:%d\", because %s", uid, err.Error())
+		return nil, errs.ErrOperationFailed
+	}
+
+	totalScheduledTransactionCount, err := a.templates.GetTotalScheduledTemplateCountByUid(c, uid)
+
+	if err != nil {
+		log.Errorf(c, "[data_managements.DataStatisticsHandler] failed to get total scheduled transaction count for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.ErrOperationFailed
 	}
 
@@ -98,19 +114,21 @@ func (a *DataManagementsApi) DataStatisticsHandler(c *core.Context) (any, *errs.
 		TotalTransactionCategoryCount:  totalTransactionCategoryCount,
 		TotalTransactionTagCount:       totalTransactionTagCount,
 		TotalTransactionCount:          totalTransactionCount,
+		TotalTransactionPictureCount:   totalTransactionPictureCount,
 		TotalTransactionTemplateCount:  totalTransactionTemplateCount,
+		TotalScheduledTransactionCount: totalScheduledTransactionCount,
 	}
 
 	return dataStatisticsResp, nil
 }
 
 // ClearDataHandler deletes all user data
-func (a *DataManagementsApi) ClearDataHandler(c *core.Context) (any, *errs.Error) {
+func (a *DataManagementsApi) ClearDataHandler(c *core.WebContext) (any, *errs.Error) {
 	var clearDataReq models.ClearDataRequest
 	err := c.ShouldBindJSON(&clearDataReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[data_managements.ClearDataHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[data_managements.ClearDataHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -119,7 +137,7 @@ func (a *DataManagementsApi) ClearDataHandler(c *core.Context) (any, *errs.Error
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.WarnfWithRequestId(c, "[data_managements.ClearDataHandler] failed to get user for user \"uid:%d\", because %s", uid, err.Error())
+			log.Warnf(c, "[data_managements.ClearDataHandler] failed to get user for user \"uid:%d\", because %s", uid, err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
@@ -129,40 +147,40 @@ func (a *DataManagementsApi) ClearDataHandler(c *core.Context) (any, *errs.Error
 		return nil, errs.ErrUserPasswordWrong
 	}
 
+	err = a.templates.DeleteAllTemplates(c, uid)
+
+	if err != nil {
+		log.Errorf(c, "[data_managements.ClearDataHandler] failed to delete all transaction templates, because %s", err.Error())
+		return nil, errs.Or(err, errs.ErrOperationFailed)
+	}
+
 	err = a.transactions.DeleteAllTransactions(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.ClearDataHandler] failed to delete all transactions, because %s", err.Error())
+		log.Errorf(c, "[data_managements.ClearDataHandler] failed to delete all transactions, because %s", err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
 	err = a.categories.DeleteAllCategories(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.ClearDataHandler] failed to delete all transaction categories, because %s", err.Error())
+		log.Errorf(c, "[data_managements.ClearDataHandler] failed to delete all transaction categories, because %s", err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
 	err = a.tags.DeleteAllTags(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.ClearDataHandler] failed to delete all transaction tags, because %s", err.Error())
+		log.Errorf(c, "[data_managements.ClearDataHandler] failed to delete all transaction tags, because %s", err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	err = a.templates.DeleteAllTemplates(c, uid)
-
-	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.ClearDataHandler] failed to delete all transaction templates, because %s", err.Error())
-		return nil, errs.Or(err, errs.ErrOperationFailed)
-	}
-
-	log.InfofWithRequestId(c, "[data_managements.ClearDataHandler] user \"uid:%d\" has cleared all data", uid)
+	log.Infof(c, "[data_managements.ClearDataHandler] user \"uid:%d\" has cleared all data", uid)
 	return true, nil
 }
 
-func (a *DataManagementsApi) getExportedFileContent(c *core.Context, fileType string) ([]byte, string, *errs.Error) {
-	if !settings.Container.Current.EnableDataExport {
+func (a *DataManagementsApi) getExportedFileContent(c *core.WebContext, fileType string) ([]byte, string, *errs.Error) {
+	if !a.CurrentConfig().EnableDataExport {
 		return nil, "", errs.ErrDataExportNotAllowed
 	}
 
@@ -170,7 +188,7 @@ func (a *DataManagementsApi) getExportedFileContent(c *core.Context, fileType st
 	utcOffset, err := c.GetClientTimezoneOffset()
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[data_managements.ExportDataHandler] cannot get client timezone offset, because %s", err.Error())
+		log.Warnf(c, "[data_managements.ExportDataHandler] cannot get client timezone offset, because %s", err.Error())
 	} else {
 		timezone = time.FixedZone("Client Timezone", int(utcOffset)*60)
 	}
@@ -180,7 +198,7 @@ func (a *DataManagementsApi) getExportedFileContent(c *core.Context, fileType st
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.WarnfWithRequestId(c, "[data_managements.ExportDataHandler] failed to get user for user \"uid:%d\", because %s", uid, err.Error())
+			log.Warnf(c, "[data_managements.ExportDataHandler] failed to get user for user \"uid:%d\", because %s", uid, err.Error())
 		}
 
 		return nil, "", errs.ErrUserNotFound
@@ -189,28 +207,28 @@ func (a *DataManagementsApi) getExportedFileContent(c *core.Context, fileType st
 	accounts, err := a.accounts.GetAllAccountsByUid(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.ExportDataHandler] failed to get all accounts for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[data_managements.ExportDataHandler] failed to get all accounts for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, "", errs.ErrOperationFailed
 	}
 
 	categories, err := a.categories.GetAllCategoriesByUid(c, uid, 0, -1)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.ExportDataHandler] failed to get categories for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[data_managements.ExportDataHandler] failed to get categories for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, "", errs.ErrOperationFailed
 	}
 
 	tags, err := a.tags.GetAllTagsByUid(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.ExportDataHandler] failed to get tags for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[data_managements.ExportDataHandler] failed to get tags for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, "", errs.ErrOperationFailed
 	}
 
 	tagIndexes, err := a.tags.GetAllTagIdsMapOfAllTransactions(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.ExportDataHandler] failed to get tag index for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[data_managements.ExportDataHandler] failed to get tag index for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, "", errs.ErrOperationFailed
 	}
 
@@ -221,22 +239,20 @@ func (a *DataManagementsApi) getExportedFileContent(c *core.Context, fileType st
 	allTransactions, err := a.transactions.GetAllTransactions(c, uid, pageCountForDataExport, true)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.ExportDataHandler] failed to all transactions user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[data_managements.ExportDataHandler] failed to all transactions user \"uid:%d\", because %s", uid, err.Error())
 		return nil, "", errs.ErrOperationFailed
 	}
 
-	var dataExporter converters.DataConverter
+	dataExporter := converters.GetTransactionDataExporter(fileType)
 
-	if fileType == "tsv" {
-		dataExporter = a.ezBookKeepingTsvExporter
-	} else {
-		dataExporter = a.ezBookKeepingCsvExporter
+	if dataExporter == nil {
+		return nil, "", errs.ErrNotImplemented
 	}
 
-	result, err := dataExporter.ToExportedContent(uid, allTransactions, accountMap, categoryMap, tagMap, tagIndexes)
+	result, err := dataExporter.ToExportedContent(c, uid, allTransactions, accountMap, categoryMap, tagMap, tagIndexes)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[data_managements.ExportDataHandler] failed to get csv format exported data for \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[data_managements.ExportDataHandler] failed to get csv format exported data for \"uid:%d\", because %s", uid, err.Error())
 		return nil, "", errs.Or(err, errs.ErrOperationFailed)
 	}
 

pkg/api/default.go

@@ -14,11 +14,11 @@ var (
 )
 
 // ApiNotFound returns api not found error
-func (a *DefaultApi) ApiNotFound(c *core.Context) (any, *errs.Error) {
+func (a *DefaultApi) ApiNotFound(c *core.WebContext) (any, *errs.Error) {
 	return nil, errs.ErrApiNotFound
 }
 
 // MethodNotAllowed returns method not allowed error
-func (a *DefaultApi) MethodNotAllowed(c *core.Context) (any, *errs.Error) {
+func (a *DefaultApi) MethodNotAllowed(c *core.WebContext) (any, *errs.Error) {
 	return nil, errs.ErrMethodNotAllowed
 }

pkg/api/exchange_rates.go

@@ -18,15 +18,21 @@ import (
 )
 
 // ExchangeRatesApi represents exchange rate api
-type ExchangeRatesApi struct{}
+type ExchangeRatesApi struct {
+	ApiUsingConfig
+}
 
 // Initialize a exchange rate api singleton instance
 var (
-	ExchangeRates = &ExchangeRatesApi{}
+	ExchangeRates = &ExchangeRatesApi{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
+	}
 )
 
 // LatestExchangeRateHandler returns latest exchange rate data
-func (a *ExchangeRatesApi) LatestExchangeRateHandler(c *core.Context) (any, *errs.Error) {
+func (a *ExchangeRatesApi) LatestExchangeRateHandler(c *core.WebContext) (any, *errs.Error) {
 	dataSource := exchangerates.Container.Current
 
 	if dataSource == nil {
@@ -36,9 +42,9 @@ func (a *ExchangeRatesApi) LatestExchangeRateHandler(c *core.Context) (any, *err
 	uid := c.GetCurrentUid()
 
 	transport := http.DefaultTransport.(*http.Transport).Clone()
-	utils.SetProxyUrl(transport, settings.Container.Current.ExchangeRatesProxy)
+	utils.SetProxyUrl(transport, a.CurrentConfig().ExchangeRatesProxy)
 
-	if settings.Container.Current.ExchangeRatesSkipTLSVerify {
+	if a.CurrentConfig().ExchangeRatesSkipTLSVerify {
 		transport.TLSClientConfig = &tls.Config{
 			InsecureSkipVerify: true,
 		}
@@ -46,7 +52,7 @@ func (a *ExchangeRatesApi) LatestExchangeRateHandler(c *core.Context) (any, *err
 
 	client := &http.Client{
 		Transport: transport,
-		Timeout:   time.Duration(settings.Container.Current.ExchangeRatesRequestTimeout) * time.Millisecond,
+		Timeout:   time.Duration(a.CurrentConfig().ExchangeRatesRequestTimeout) * time.Millisecond,
 	}
 
 	urls := dataSource.GetRequestUrls()
@@ -59,12 +65,12 @@ func (a *ExchangeRatesApi) LatestExchangeRateHandler(c *core.Context) (any, *err
 		resp, err := client.Do(req)
 
 		if err != nil {
-			log.ErrorfWithRequestId(c, "[exchange_rates.LatestExchangeRateHandler] failed to request latest exchange rate data for user \"uid:%d\", because %s", uid, err.Error())
+			log.Errorf(c, "[exchange_rates.LatestExchangeRateHandler] failed to request latest exchange rate data for user \"uid:%d\", because %s", uid, err.Error())
 			return nil, errs.ErrFailedToRequestRemoteApi
 		}
 
 		if resp.StatusCode != 200 {
-			log.ErrorfWithRequestId(c, "[exchange_rates.LatestExchangeRateHandler] failed to get latest exchange rate data response for user \"uid:%d\", because response code is not 200", uid)
+			log.Errorf(c, "[exchange_rates.LatestExchangeRateHandler] failed to get latest exchange rate data response for user \"uid:%d\", because response code is not 200", uid)
 			return nil, errs.ErrFailedToRequestRemoteApi
 		}
 
@@ -73,7 +79,7 @@ func (a *ExchangeRatesApi) LatestExchangeRateHandler(c *core.Context) (any, *err
 		exchangeRateResp, err := dataSource.Parse(c, body)
 
 		if err != nil {
-			log.ErrorfWithRequestId(c, "[exchange_rates.LatestExchangeRateHandler] failed to parse response for user \"uid:%d\", because %s", uid, err.Error())
+			log.Errorf(c, "[exchange_rates.LatestExchangeRateHandler] failed to parse response for user \"uid:%d\", because %s", uid, err.Error())
 			return nil, errs.Or(err, errs.ErrFailedToRequestRemoteApi)
 		}
 

pkg/api/forget_passwords.go

@@ -13,6 +13,7 @@ import (
 
 // ForgetPasswordsApi represents user forget password api
 type ForgetPasswordsApi struct {
+	ApiUsingConfig
 	users           *services.UserService
 	tokens          *services.TokenService
 	forgetPasswords *services.ForgetPasswordService
@@ -21,6 +22,9 @@ type ForgetPasswordsApi struct {
 // Initialize a user api singleton instance
 var (
 	ForgetPasswords = &ForgetPasswordsApi{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
 		users:           services.Users,
 		tokens:          services.Tokens,
 		forgetPasswords: services.ForgetPasswords,
@@ -28,12 +32,12 @@ var (
 )
 
 // UserForgetPasswordRequestHandler generates password reset link and send user an email with this link
-func (a *ForgetPasswordsApi) UserForgetPasswordRequestHandler(c *core.Context) (any, *errs.Error) {
+func (a *ForgetPasswordsApi) UserForgetPasswordRequestHandler(c *core.WebContext) (any, *errs.Error) {
 	var request models.ForgetPasswordRequest
 	err := c.ShouldBindJSON(&request)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[forget_passwords.UserForgetPasswordRequestHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[forget_passwords.UserForgetPasswordRequestHandler] parse request failed, because %s", err.Error())
 		return nil, errs.ErrEmailIsEmptyOrInvalid
 	}
 
@@ -41,30 +45,30 @@ func (a *ForgetPasswordsApi) UserForgetPasswordRequestHandler(c *core.Context) (
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[forget_passwords.UserForgetPasswordRequestHandler] failed to get user, because %s", err.Error())
+			log.Errorf(c, "[forget_passwords.UserForgetPasswordRequestHandler] failed to get user, because %s", err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
 	}
 
 	if user.Disabled {
-		log.WarnfWithRequestId(c, "[forget_passwords.UserForgetPasswordRequestHandler] user \"uid:%d\" is disabled", user.Uid)
+		log.Warnf(c, "[forget_passwords.UserForgetPasswordRequestHandler] user \"uid:%d\" is disabled", user.Uid)
 		return nil, errs.ErrUserIsDisabled
 	}
 
-	if settings.Container.Current.ForgetPasswordRequireVerifyEmail && !user.EmailVerified {
-		log.WarnfWithRequestId(c, "[forget_passwords.UserForgetPasswordRequestHandler] user \"uid:%d\" has not verified email", user.Uid)
+	if a.CurrentConfig().ForgetPasswordRequireVerifyEmail && !user.EmailVerified {
+		log.Warnf(c, "[forget_passwords.UserForgetPasswordRequestHandler] user \"uid:%d\" has not verified email", user.Uid)
 		return nil, errs.ErrEmailIsNotVerified
 	}
 
-	if !settings.Container.Current.EnableSMTP {
+	if !a.CurrentConfig().EnableSMTP {
 		return nil, errs.ErrSMTPServerNotEnabled
 	}
 
 	token, _, err := a.tokens.CreatePasswordResetToken(c, user)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[forget_passwords.UserForgetPasswordRequestHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[forget_passwords.UserForgetPasswordRequestHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.ErrTokenGenerating
 	}
 
@@ -72,7 +76,7 @@ func (a *ForgetPasswordsApi) UserForgetPasswordRequestHandler(c *core.Context) (
 		err = a.forgetPasswords.SendPasswordResetEmail(c, user, token, c.GetClientLocale())
 
 		if err != nil {
-			log.WarnfWithRequestId(c, "[forget_passwords.UserForgetPasswordRequestHandler] cannot send email to \"%s\", because %s", user.Email, err.Error())
+			log.Warnf(c, "[forget_passwords.UserForgetPasswordRequestHandler] cannot send email to \"%s\", because %s", user.Email, err.Error())
 		}
 	}()
 
@@ -80,12 +84,12 @@ func (a *ForgetPasswordsApi) UserForgetPasswordRequestHandler(c *core.Context) (
 }
 
 // UserResetPasswordHandler resets user password by request parameters
-func (a *ForgetPasswordsApi) UserResetPasswordHandler(c *core.Context) (any, *errs.Error) {
+func (a *ForgetPasswordsApi) UserResetPasswordHandler(c *core.WebContext) (any, *errs.Error) {
 	var request models.PasswordResetRequest
 	err := c.ShouldBindJSON(&request)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[forget_passwords.UserResetPasswordHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[forget_passwords.UserResetPasswordHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -94,24 +98,24 @@ func (a *ForgetPasswordsApi) UserResetPasswordHandler(c *core.Context) (any, *er
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[forget_passwords.UserResetPasswordHandler] failed to get user, because %s", err.Error())
+			log.Errorf(c, "[forget_passwords.UserResetPasswordHandler] failed to get user, because %s", err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
 	}
 
 	if user.Disabled {
-		log.WarnfWithRequestId(c, "[forget_passwords.UserResetPasswordHandler] user \"uid:%d\" is disabled", user.Uid)
+		log.Warnf(c, "[forget_passwords.UserResetPasswordHandler] user \"uid:%d\" is disabled", user.Uid)
 		return nil, errs.ErrUserIsDisabled
 	}
 
-	if settings.Container.Current.ForgetPasswordRequireVerifyEmail && !user.EmailVerified {
-		log.WarnfWithRequestId(c, "[forget_passwords.UserResetPasswordHandler] user \"uid:%d\" has not verified email", user.Uid)
+	if a.CurrentConfig().ForgetPasswordRequireVerifyEmail && !user.EmailVerified {
+		log.Warnf(c, "[forget_passwords.UserResetPasswordHandler] user \"uid:%d\" has not verified email", user.Uid)
 		return nil, errs.ErrEmailIsNotVerified
 	}
 
 	if user.Email != request.Email {
-		log.WarnfWithRequestId(c, "[forget_passwords.UserResetPasswordHandler] request email not equals the user email")
+		log.Warnf(c, "[forget_passwords.UserResetPasswordHandler] request email not equals the user email")
 		return nil, errs.ErrEmptyIsInvalid
 	}
 
@@ -120,7 +124,7 @@ func (a *ForgetPasswordsApi) UserResetPasswordHandler(c *core.Context) (any, *er
 		err = a.tokens.DeleteTokenByClaims(c, oldTokenClaims)
 
 		if err != nil {
-			log.WarnfWithRequestId(c, "[forget_passwords.UserResetPasswordHandler] failed to revoke password reset token \"utid:%s\" for user \"uid:%d\", because %s", oldTokenClaims.UserTokenId, user.Uid, err.Error())
+			log.Warnf(c, "[forget_passwords.UserResetPasswordHandler] failed to revoke password reset token \"utid:%s\" for user \"uid:%d\", because %s", oldTokenClaims.UserTokenId, user.Uid, err.Error())
 		}
 
 		return nil, errs.ErrNewPasswordEqualsOldInvalid
@@ -135,7 +139,7 @@ func (a *ForgetPasswordsApi) UserResetPasswordHandler(c *core.Context) (any, *er
 	_, _, err = a.users.UpdateUser(c, userNew, false)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[forget_passwords.UserResetPasswordHandler] failed to update user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[forget_passwords.UserResetPasswordHandler] failed to update user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -143,9 +147,9 @@ func (a *ForgetPasswordsApi) UserResetPasswordHandler(c *core.Context) (any, *er
 	err = a.tokens.DeleteTokensBeforeTime(c, uid, now)
 
 	if err == nil {
-		log.InfofWithRequestId(c, "[forget_passwords.UserResetPasswordHandler] revoke old tokens before unix time \"%d\" for user \"uid:%d\"", now, user.Uid)
+		log.Infof(c, "[forget_passwords.UserResetPasswordHandler] revoke old tokens before unix time \"%d\" for user \"uid:%d\"", now, user.Uid)
 	} else {
-		log.WarnfWithRequestId(c, "[forget_passwords.UserResetPasswordHandler] failed to revoke old tokens for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Warnf(c, "[forget_passwords.UserResetPasswordHandler] failed to revoke old tokens for user \"uid:%d\", because %s", user.Uid, err.Error())
 	}
 
 	return true, nil

pkg/api/healths.go

@@ -15,7 +15,7 @@ var (
 )
 
 // HealthStatusHandler returns the health status of current service
-func (a *HealthsApi) HealthStatusHandler(c *core.Context) (any, *errs.Error) {
+func (a *HealthsApi) HealthStatusHandler(c *core.WebContext) (any, *errs.Error) {
 	result := make(map[string]string)
 
 	result["version"] = settings.Version

pkg/api/map_image_proxies.go

@@ -24,16 +24,21 @@ const tianDiTuMapAnnotationUrlFormat = "https://t0.tianditu.gov.cn/cva_w/wmts?SE
 
 // MapImageProxy represents map image proxy
 type MapImageProxy struct {
+	ApiUsingConfig
 }
 
 // Initialize a map image proxy singleton instance
 var (
-	MapImages = &MapImageProxy{}
+	MapImages = &MapImageProxy{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
+	}
 )
 
 // MapTileImageProxyHandler returns map tile image
-func (p *MapImageProxy) MapTileImageProxyHandler(c *core.Context) (*httputil.ReverseProxy, *errs.Error) {
-	return p.mapImageProxyHandler(c, func(c *core.Context, mapProvider string) (string, *errs.Error) {
+func (p *MapImageProxy) MapTileImageProxyHandler(c *core.WebContext) (*httputil.ReverseProxy, *errs.Error) {
+	return p.mapImageProxyHandler(c, func(c *core.WebContext, mapProvider string) (string, *errs.Error) {
 		if mapProvider == settings.OpenStreetMapProvider {
 			return openStreetMapTileImageUrlFormat, nil
 		} else if mapProvider == settings.OpenStreetMapHumanitarianStyleProvider {
@@ -47,7 +52,7 @@ func (p *MapImageProxy) MapTileImageProxyHandler(c *core.Context) (*httputil.Rev
 		} else if mapProvider == settings.CartoDBMapProvider {
 			return cartoDBMapTileImageUrlFormat, nil
 		} else if mapProvider == settings.TomTomMapProvider {
-			targetUrl := tomtomMapTileImageUrlFormat + "?key=" + settings.Container.Current.TomTomMapAPIKey
+			targetUrl := tomtomMapTileImageUrlFormat + "?key=" + p.CurrentConfig().TomTomMapAPIKey
 			language := c.Query("language")
 
 			if language != "" {
@@ -56,9 +61,9 @@ func (p *MapImageProxy) MapTileImageProxyHandler(c *core.Context) (*httputil.Rev
 
 			return targetUrl, nil
 		} else if mapProvider == settings.TianDiTuProvider {
-			return tianDiTuMapTileImageUrlFormat + "&tk=" + settings.Container.Current.TianDiTuAPIKey, nil
+			return tianDiTuMapTileImageUrlFormat + "&tk=" + p.CurrentConfig().TianDiTuAPIKey, nil
 		} else if mapProvider == settings.CustomProvider {
-			return settings.Container.Current.CustomMapTileServerTileLayerUrl, nil
+			return p.CurrentConfig().CustomMapTileServerTileLayerUrl, nil
 		}
 
 		return "", errs.ErrParameterInvalid
@@ -66,23 +71,23 @@ func (p *MapImageProxy) MapTileImageProxyHandler(c *core.Context) (*httputil.Rev
 }
 
 // MapAnnotationImageProxyHandler returns map annotation image
-func (p *MapImageProxy) MapAnnotationImageProxyHandler(c *core.Context) (*httputil.ReverseProxy, *errs.Error) {
-	return p.mapImageProxyHandler(c, func(c *core.Context, mapProvider string) (string, *errs.Error) {
+func (p *MapImageProxy) MapAnnotationImageProxyHandler(c *core.WebContext) (*httputil.ReverseProxy, *errs.Error) {
+	return p.mapImageProxyHandler(c, func(c *core.WebContext, mapProvider string) (string, *errs.Error) {
 		if mapProvider == settings.TianDiTuProvider {
-			return tianDiTuMapAnnotationUrlFormat + "&tk=" + settings.Container.Current.TianDiTuAPIKey, nil
+			return tianDiTuMapAnnotationUrlFormat + "&tk=" + p.CurrentConfig().TianDiTuAPIKey, nil
 		} else if mapProvider == settings.CustomProvider {
-			return settings.Container.Current.CustomMapTileServerAnnotationLayerUrl, nil
+			return p.CurrentConfig().CustomMapTileServerAnnotationLayerUrl, nil
 		}
 
 		return "", errs.ErrParameterInvalid
 	})
 }
 
-func (p *MapImageProxy) mapImageProxyHandler(c *core.Context, fn func(c *core.Context, mapProvider string) (string, *errs.Error)) (*httputil.ReverseProxy, *errs.Error) {
+func (p *MapImageProxy) mapImageProxyHandler(c *core.WebContext, fn func(c *core.WebContext, mapProvider string) (string, *errs.Error)) (*httputil.ReverseProxy, *errs.Error) {
 	mapProvider := strings.Replace(c.Query("provider"), "-", "_", -1)
 	targetUrl := ""
 
-	if mapProvider != settings.Container.Current.MapProvider {
+	if mapProvider != p.CurrentConfig().MapProvider {
 		return nil, errs.ErrMapProviderNotCurrent
 	}
 
@@ -105,7 +110,7 @@ func (p *MapImageProxy) mapImageProxyHandler(c *core.Context, fn func(c *core.Co
 	}
 
 	transport := http.DefaultTransport.(*http.Transport).Clone()
-	utils.SetProxyUrl(transport, settings.Container.Current.MapProxy)
+	utils.SetProxyUrl(transport, p.CurrentConfig().MapProxy)
 
 	director := func(req *http.Request) {
 		imageRawUrl := targetUrl

pkg/api/qrcodes.go

@@ -19,16 +19,21 @@ const (
 
 // QrCodesApi represents qrcode generator api
 type QrCodesApi struct {
+	ApiUsingConfig
 }
 
 // Initialize a qrcode generator api singleton instance
 var (
-	QrCodes = &QrCodesApi{}
+	QrCodes = &QrCodesApi{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
+	}
 )
 
 // MobileUrlQrCodeHandler returns a mobile url qr code image
-func (a *QrCodesApi) MobileUrlQrCodeHandler(c *core.Context) ([]byte, string, *errs.Error) {
-	fullUrl := settings.Container.Current.RootUrl + "mobile"
+func (a *QrCodesApi) MobileUrlQrCodeHandler(c *core.WebContext) ([]byte, string, *errs.Error) {
+	fullUrl := a.CurrentConfig().RootUrl + "mobile"
 	data, err := a.generateUrlQrCode(c, fullUrl)
 
 	if err != nil {
@@ -38,7 +43,7 @@ func (a *QrCodesApi) MobileUrlQrCodeHandler(c *core.Context) ([]byte, string, *e
 	return data, "image/png", nil
 }
 
-func (a *QrCodesApi) generateUrlQrCode(c *core.Context, url string) ([]byte, *errs.Error) {
+func (a *QrCodesApi) generateUrlQrCode(c *core.WebContext, url string) ([]byte, *errs.Error) {
 	qrCodeImg, _ := qr.Encode(url, qr.M, qr.Auto)
 	qrCodeImg, _ = barcode.Scale(qrCodeImg, qrCodeDefaultWidth, qrCodeDefaultHeight)
 	imgData := &bytes.Buffer{}

pkg/api/tokens.go

@@ -4,6 +4,7 @@ import (
 	"sort"
 	"time"
 
+	"github.com/mayswind/ezbookkeeping/pkg/avatars"
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
@@ -15,6 +16,8 @@ import (
 
 // TokensApi represents token api
 type TokensApi struct {
+	ApiUsingConfig
+	ApiWithUserInfo
 	tokens *services.TokenService
 	users  *services.UserService
 }
@@ -22,18 +25,29 @@ type TokensApi struct {
 // Initialize a token api singleton instance
 var (
 	Tokens = &TokensApi{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
+		ApiWithUserInfo: ApiWithUserInfo{
+			ApiUsingConfig: ApiUsingConfig{
+				container: settings.Container,
+			},
+			ApiUsingAvatarProvider: ApiUsingAvatarProvider{
+				container: avatars.Container,
+			},
+		},
 		tokens: services.Tokens,
 		users:  services.Users,
 	}
 )
 
 // TokenListHandler returns available token list of current user
-func (a *TokensApi) TokenListHandler(c *core.Context) (any, *errs.Error) {
+func (a *TokensApi) TokenListHandler(c *core.WebContext) (any, *errs.Error) {
 	uid := c.GetCurrentUid()
 	tokens, err := a.tokens.GetAllUnexpiredNormalTokensByUid(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[tokens.TokenListHandler] failed to get all tokens for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[tokens.TokenListHandler] failed to get all tokens for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -62,7 +76,7 @@ func (a *TokensApi) TokenListHandler(c *core.Context) (any, *errs.Error) {
 }
 
 // TokenRevokeCurrentHandler revokes current token of current user
-func (a *TokensApi) TokenRevokeCurrentHandler(c *core.Context) (any, *errs.Error) {
+func (a *TokensApi) TokenRevokeCurrentHandler(c *core.WebContext) (any, *errs.Error) {
 	_, claims, err := a.tokens.ParseTokenByHeader(c)
 
 	if err != nil {
@@ -72,7 +86,7 @@ func (a *TokensApi) TokenRevokeCurrentHandler(c *core.Context) (any, *errs.Error
 	userTokenId, err := utils.StringToInt64(claims.UserTokenId)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[tokens.TokenRevokeCurrentHandler] parse user token id failed, because %s", err.Error())
+		log.Warnf(c, "[tokens.TokenRevokeCurrentHandler] parse user token id failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -86,21 +100,21 @@ func (a *TokensApi) TokenRevokeCurrentHandler(c *core.Context) (any, *errs.Error
 	err = a.tokens.DeleteToken(c, tokenRecord)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[token.TokenRevokeCurrentHandler] failed to revoke token \"id:%s\" for user \"uid:%d\", because %s", tokenId, claims.Uid, err.Error())
+		log.Errorf(c, "[token.TokenRevokeCurrentHandler] failed to revoke token \"id:%s\" for user \"uid:%d\", because %s", tokenId, claims.Uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[token.TokenRevokeCurrentHandler] user \"uid:%d\" has revoked token \"id:%s\"", claims.Uid, tokenId)
+	log.Infof(c, "[token.TokenRevokeCurrentHandler] user \"uid:%d\" has revoked token \"id:%s\"", claims.Uid, tokenId)
 	return true, nil
 }
 
 // TokenRevokeHandler revokes specific token of current user
-func (a *TokensApi) TokenRevokeHandler(c *core.Context) (any, *errs.Error) {
+func (a *TokensApi) TokenRevokeHandler(c *core.WebContext) (any, *errs.Error) {
 	var tokenRevokeReq models.TokenRevokeRequest
 	err := c.ShouldBindJSON(&tokenRevokeReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[tokens.TokenRevokeHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[tokens.TokenRevokeHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -108,7 +122,7 @@ func (a *TokensApi) TokenRevokeHandler(c *core.Context) (any, *errs.Error) {
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[token.TokenRevokeHandler] failed to parse token \"id:%s\", because %s", tokenRevokeReq.TokenId, err.Error())
+			log.Errorf(c, "[token.TokenRevokeHandler] failed to parse token \"id:%s\", because %s", tokenRevokeReq.TokenId, err.Error())
 		}
 
 		return nil, errs.Or(err, errs.ErrInvalidTokenId)
@@ -117,28 +131,28 @@ func (a *TokensApi) TokenRevokeHandler(c *core.Context) (any, *errs.Error) {
 	uid := c.GetCurrentUid()
 
 	if tokenRecord.Uid != uid {
-		log.WarnfWithRequestId(c, "[token.TokenRevokeHandler] token \"id:%s\" is not owned by user \"uid:%d\"", tokenRevokeReq.TokenId, uid)
+		log.Warnf(c, "[token.TokenRevokeHandler] token \"id:%s\" is not owned by user \"uid:%d\"", tokenRevokeReq.TokenId, uid)
 		return nil, errs.ErrInvalidTokenId
 	}
 
 	err = a.tokens.DeleteToken(c, tokenRecord)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[token.TokenRevokeHandler] failed to revoke token \"id:%s\" for user \"uid:%d\", because %s", tokenRevokeReq.TokenId, uid, err.Error())
+		log.Errorf(c, "[token.TokenRevokeHandler] failed to revoke token \"id:%s\" for user \"uid:%d\", because %s", tokenRevokeReq.TokenId, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[token.TokenRevokeHandler] user \"uid:%d\" has revoked token \"id:%s\"", uid, tokenRevokeReq.TokenId)
+	log.Infof(c, "[token.TokenRevokeHandler] user \"uid:%d\" has revoked token \"id:%s\"", uid, tokenRevokeReq.TokenId)
 	return true, nil
 }
 
 // TokenRevokeAllHandler revokes all tokens of current user except current token
-func (a *TokensApi) TokenRevokeAllHandler(c *core.Context) (any, *errs.Error) {
+func (a *TokensApi) TokenRevokeAllHandler(c *core.WebContext) (any, *errs.Error) {
 	uid := c.GetCurrentUid()
 	tokens, err := a.tokens.GetAllTokensByUid(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[tokens.TokenRevokeAllHandler] failed to get all tokens for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[tokens.TokenRevokeAllHandler] failed to get all tokens for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -159,34 +173,34 @@ func (a *TokensApi) TokenRevokeAllHandler(c *core.Context) (any, *errs.Error) {
 	err = a.tokens.DeleteTokens(c, uid, tokens)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[token.TokenRevokeAllHandler] failed to revoke all tokens for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[token.TokenRevokeAllHandler] failed to revoke all tokens for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[token.TokenRevokeAllHandler] user \"uid:%d\" has revoked all tokens", uid)
+	log.Infof(c, "[token.TokenRevokeAllHandler] user \"uid:%d\" has revoked all tokens", uid)
 	return true, nil
 }
 
 // TokenRefreshHandler refresh current token of current user
-func (a *TokensApi) TokenRefreshHandler(c *core.Context) (any, *errs.Error) {
+func (a *TokensApi) TokenRefreshHandler(c *core.WebContext) (any, *errs.Error) {
 	uid := c.GetCurrentUid()
 	user, err := a.users.GetUserById(c, uid)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[token.TokenRefreshHandler] failed to get user \"uid:%d\" info, because %s", uid, err.Error())
+		log.Warnf(c, "[token.TokenRefreshHandler] failed to get user \"uid:%d\" info, because %s", uid, err.Error())
 		return nil, errs.ErrUserNotFound
 	}
 
 	now := time.Now().Unix()
 	oldTokenClaims := c.GetTokenClaims()
 
-	if now-oldTokenClaims.IssuedAt < int64(settings.Container.Current.TokenMinRefreshInterval) {
-		log.InfofWithRequestId(c, "[token.TokenRefreshHandler] token of user \"uid:%d\" does not need to be refreshed", uid)
+	if now-oldTokenClaims.IssuedAt < int64(a.CurrentConfig().TokenMinRefreshInterval) {
+		log.Infof(c, "[token.TokenRefreshHandler] token of user \"uid:%d\" does not need to be refreshed", uid)
 
 		userTokenId, err := utils.StringToInt64(oldTokenClaims.UserTokenId)
 
 		if err != nil {
-			log.WarnfWithRequestId(c, "[tokens.TokenRefreshHandler] parse user token id failed, because %s", err.Error())
+			log.Warnf(c, "[tokens.TokenRefreshHandler] parse user token id failed, because %s", err.Error())
 		} else {
 			tokenRecord := &models.TokenRecord{
 				Uid:             oldTokenClaims.Uid,
@@ -199,13 +213,13 @@ func (a *TokensApi) TokenRefreshHandler(c *core.Context) (any, *errs.Error) {
 			err = a.tokens.UpdateTokenLastSeen(c, tokenRecord)
 
 			if err != nil {
-				log.WarnfWithRequestId(c, "[token.TokenRefreshHandler] failed to update last seen of token \"id:%s\" for user \"uid:%d\", because %s", tokenId, uid, err.Error())
+				log.Warnf(c, "[token.TokenRefreshHandler] failed to update last seen of token \"id:%s\" for user \"uid:%d\", because %s", tokenId, uid, err.Error())
 			}
 		}
 
 		refreshResp := &models.TokenRefreshResponse{
-			User:                user.ToUserBasicInfo(),
-			NotificationContent: settings.Container.GetAfterOpenNotificationContent(user.Language, c.GetClientLocale()),
+			User:                a.GetUserBasicInfo(user),
+			NotificationContent: a.GetAfterOpenNotificationContent(user.Language, c.GetClientLocale()),
 		}
 
 		return refreshResp, nil
@@ -214,7 +228,7 @@ func (a *TokensApi) TokenRefreshHandler(c *core.Context) (any, *errs.Error) {
 	token, claims, err := a.tokens.CreateToken(c, user)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[token.TokenRefreshHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[token.TokenRefreshHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.Or(err, errs.ErrTokenGenerating)
 	}
 
@@ -228,13 +242,13 @@ func (a *TokensApi) TokenRefreshHandler(c *core.Context) (any, *errs.Error) {
 	c.SetTextualToken(token)
 	c.SetTokenClaims(claims)
 
-	log.InfofWithRequestId(c, "[token.TokenRefreshHandler] user \"uid:%d\" token refreshed, new token will be expired at %d", user.Uid, claims.ExpiresAt)
+	log.Infof(c, "[token.TokenRefreshHandler] user \"uid:%d\" token refreshed, new token will be expired at %d", user.Uid, claims.ExpiresAt)
 
 	refreshResp := &models.TokenRefreshResponse{
 		NewToken:            token,
 		OldTokenId:          a.tokens.GenerateTokenId(oldTokenRecord),
-		User:                user.ToUserBasicInfo(),
-		NotificationContent: settings.Container.GetAfterOpenNotificationContent(user.Language, c.GetClientLocale()),
+		User:                a.GetUserBasicInfo(user),
+		NotificationContent: a.GetAfterOpenNotificationContent(user.Language, c.GetClientLocale()),
 	}
 
 	return refreshResp, nil

pkg/api/transaction_categories.go

@@ -17,23 +17,31 @@ import (
 
 // TransactionCategoriesApi represents transaction category api
 type TransactionCategoriesApi struct {
+	ApiUsingConfig
+	ApiUsingDuplicateChecker
 	categories *services.TransactionCategoryService
 }
 
 // Initialize a transaction category api singleton instance
 var (
 	TransactionCategories = &TransactionCategoriesApi{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
+		ApiUsingDuplicateChecker: ApiUsingDuplicateChecker{
+			container: duplicatechecker.Container,
+		},
 		categories: services.TransactionCategories,
 	}
 )
 
 // CategoryListHandler returns transaction category list of current user
-func (a *TransactionCategoriesApi) CategoryListHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionCategoriesApi) CategoryListHandler(c *core.WebContext) (any, *errs.Error) {
 	var categoryListReq models.TransactionCategoryListRequest
 	err := c.ShouldBindQuery(&categoryListReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_categories.CategoryListHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_categories.CategoryListHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -41,7 +49,7 @@ func (a *TransactionCategoriesApi) CategoryListHandler(c *core.Context) (any, *e
 	categories, err := a.categories.GetAllCategoriesByUid(c, uid, categoryListReq.Type, categoryListReq.ParentId)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_categories.CategoryListHandler] failed to get categories for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[transaction_categories.CategoryListHandler] failed to get categories for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -49,12 +57,12 @@ func (a *TransactionCategoriesApi) CategoryListHandler(c *core.Context) (any, *e
 }
 
 // CategoryGetHandler returns one specific transaction category of current user
-func (a *TransactionCategoriesApi) CategoryGetHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionCategoriesApi) CategoryGetHandler(c *core.WebContext) (any, *errs.Error) {
 	var categoryGetReq models.TransactionCategoryGetRequest
 	err := c.ShouldBindQuery(&categoryGetReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_categories.CategoryGetHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_categories.CategoryGetHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -62,7 +70,7 @@ func (a *TransactionCategoriesApi) CategoryGetHandler(c *core.Context) (any, *er
 	category, err := a.categories.GetCategoryByCategoryId(c, uid, categoryGetReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_categories.CategoryGetHandler] failed to get category \"id:%d\" for user \"uid:%d\", because %s", categoryGetReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_categories.CategoryGetHandler] failed to get category \"id:%d\" for user \"uid:%d\", because %s", categoryGetReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -72,17 +80,17 @@ func (a *TransactionCategoriesApi) CategoryGetHandler(c *core.Context) (any, *er
 }
 
 // CategoryCreateHandler saves a new transaction category by request parameters for current user
-func (a *TransactionCategoriesApi) CategoryCreateHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionCategoriesApi) CategoryCreateHandler(c *core.WebContext) (any, *errs.Error) {
 	var categoryCreateReq models.TransactionCategoryCreateRequest
 	err := c.ShouldBindJSON(&categoryCreateReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_categories.CategoryCreateHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_categories.CategoryCreateHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
 	if categoryCreateReq.Type < models.CATEGORY_TYPE_INCOME || categoryCreateReq.Type > models.CATEGORY_TYPE_TRANSFER {
-		log.WarnfWithRequestId(c, "[transaction_categories.CategoryCreateHandler] category type invalid, type is %d", categoryCreateReq.Type)
+		log.Warnf(c, "[transaction_categories.CategoryCreateHandler] category type invalid, type is %d", categoryCreateReq.Type)
 		return nil, errs.ErrTransactionCategoryTypeInvalid
 	}
 
@@ -92,17 +100,17 @@ func (a *TransactionCategoriesApi) CategoryCreateHandler(c *core.Context) (any,
 		parentCategory, err := a.categories.GetCategoryByCategoryId(c, uid, categoryCreateReq.ParentId)
 
 		if err != nil {
-			log.ErrorfWithRequestId(c, "[transaction_categories.CategoryCreateHandler] failed to get parent category \"id:%d\" for user \"uid:%d\", because %s", categoryCreateReq.ParentId, uid, err.Error())
+			log.Errorf(c, "[transaction_categories.CategoryCreateHandler] failed to get parent category \"id:%d\" for user \"uid:%d\", because %s", categoryCreateReq.ParentId, uid, err.Error())
 			return nil, errs.Or(err, errs.ErrOperationFailed)
 		}
 
 		if parentCategory == nil {
-			log.WarnfWithRequestId(c, "[transaction_categories.CategoryCreateHandler] parent category \"id:%d\" does not exist for user \"uid:%d\"", categoryCreateReq.ParentId, uid)
+			log.Warnf(c, "[transaction_categories.CategoryCreateHandler] parent category \"id:%d\" does not exist for user \"uid:%d\"", categoryCreateReq.ParentId, uid)
 			return nil, errs.ErrParentTransactionCategoryNotFound
 		}
 
 		if parentCategory.ParentCategoryId > 0 {
-			log.WarnfWithRequestId(c, "[transaction_categories.CategoryCreateHandler] parent category \"id:%d\" has another parent category \"id:%d\" for user \"uid:%d\"", parentCategory.CategoryId, parentCategory.ParentCategoryId, uid)
+			log.Warnf(c, "[transaction_categories.CategoryCreateHandler] parent category \"id:%d\" has another parent category \"id:%d\" for user \"uid:%d\"", parentCategory.CategoryId, parentCategory.ParentCategoryId, uid)
 			return nil, errs.ErrCannotAddToSecondaryTransactionCategory
 		}
 	}
@@ -116,24 +124,24 @@ func (a *TransactionCategoriesApi) CategoryCreateHandler(c *core.Context) (any,
 	}
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_categories.CategoryCreateHandler] failed to get max display order for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[transaction_categories.CategoryCreateHandler] failed to get max display order for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
 	category := a.createNewCategoryModel(uid, &categoryCreateReq, maxOrderId+1)
 
-	if settings.Container.Current.EnableDuplicateSubmissionsCheck && categoryCreateReq.ClientSessionId != "" {
-		found, remark := duplicatechecker.Container.Get(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_CATEGORY, uid, categoryCreateReq.ClientSessionId)
+	if a.CurrentConfig().EnableDuplicateSubmissionsCheck && categoryCreateReq.ClientSessionId != "" {
+		found, remark := a.GetSubmissionRemark(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_CATEGORY, uid, categoryCreateReq.ClientSessionId)
 
 		if found {
-			log.InfofWithRequestId(c, "[transaction_categories.CategoryCreateHandler] another category \"id:%s\" has been created for user \"uid:%d\"", remark, uid)
+			log.Infof(c, "[transaction_categories.CategoryCreateHandler] another category \"id:%s\" has been created for user \"uid:%d\"", remark, uid)
 			categoryId, err := utils.StringToInt64(remark)
 
 			if err == nil {
 				category, err = a.categories.GetCategoryByCategoryId(c, uid, categoryId)
 
 				if err != nil {
-					log.ErrorfWithRequestId(c, "[transaction_categories.CategoryCreateHandler] failed to get existed category \"id:%d\" for user \"uid:%d\", because %s", categoryId, uid, err.Error())
+					log.Errorf(c, "[transaction_categories.CategoryCreateHandler] failed to get existed category \"id:%d\" for user \"uid:%d\", because %s", categoryId, uid, err.Error())
 					return nil, errs.Or(err, errs.ErrOperationFailed)
 				}
 
@@ -147,25 +155,25 @@ func (a *TransactionCategoriesApi) CategoryCreateHandler(c *core.Context) (any,
 	err = a.categories.CreateCategory(c, category)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_categories.CategoryCreateHandler] failed to create category \"id:%d\" for user \"uid:%d\", because %s", category.CategoryId, uid, err.Error())
+		log.Errorf(c, "[transaction_categories.CategoryCreateHandler] failed to create category \"id:%d\" for user \"uid:%d\", because %s", category.CategoryId, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_categories.CategoryCreateHandler] user \"uid:%d\" has created a new category \"id:%d\" successfully", uid, category.CategoryId)
+	log.Infof(c, "[transaction_categories.CategoryCreateHandler] user \"uid:%d\" has created a new category \"id:%d\" successfully", uid, category.CategoryId)
 
-	duplicatechecker.Container.Set(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_CATEGORY, uid, categoryCreateReq.ClientSessionId, utils.Int64ToString(category.CategoryId))
+	a.SetSubmissionRemark(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_CATEGORY, uid, categoryCreateReq.ClientSessionId, utils.Int64ToString(category.CategoryId))
 	categoryResp := category.ToTransactionCategoryInfoResponse()
 
 	return categoryResp, nil
 }
 
 // CategoryCreateBatchHandler saves some new transaction category by request parameters for current user
-func (a *TransactionCategoriesApi) CategoryCreateBatchHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionCategoriesApi) CategoryCreateBatchHandler(c *core.WebContext) (any, *errs.Error) {
 	var categoryCreateBatchReq models.TransactionCategoryCreateBatchRequest
 	err := c.ShouldBindBodyWith(&categoryCreateBatchReq, binding.JSON)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_categories.CategoryCreateBatchHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_categories.CategoryCreateBatchHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -181,12 +189,12 @@ func (a *TransactionCategoriesApi) CategoryCreateBatchHandler(c *core.Context) (
 }
 
 // CategoryModifyHandler saves an existed transaction category by request parameters for current user
-func (a *TransactionCategoriesApi) CategoryModifyHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionCategoriesApi) CategoryModifyHandler(c *core.WebContext) (any, *errs.Error) {
 	var categoryModifyReq models.TransactionCategoryModifyRequest
 	err := c.ShouldBindJSON(&categoryModifyReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_categories.CategoryModifyHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_categories.CategoryModifyHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -194,7 +202,7 @@ func (a *TransactionCategoriesApi) CategoryModifyHandler(c *core.Context) (any,
 	category, err := a.categories.GetCategoryByCategoryId(c, uid, categoryModifyReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_categories.CategoryModifyHandler] failed to get category \"id:%d\" for user \"uid:%d\", because %s", categoryModifyReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_categories.CategoryModifyHandler] failed to get category \"id:%d\" for user \"uid:%d\", because %s", categoryModifyReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -230,14 +238,14 @@ func (a *TransactionCategoriesApi) CategoryModifyHandler(c *core.Context) (any,
 		fromPrimaryCategory, err := a.categories.GetCategoryByCategoryId(c, uid, category.ParentCategoryId)
 
 		if err != nil {
-			log.ErrorfWithRequestId(c, "[transaction_categories.CategoryModifyHandler] failed to get old primary category \"id:%d\" of category \"id:%d\" for user \"uid:%d\", because %s", category.ParentCategoryId, categoryModifyReq.Id, uid, err.Error())
+			log.Errorf(c, "[transaction_categories.CategoryModifyHandler] failed to get old primary category \"id:%d\" of category \"id:%d\" for user \"uid:%d\", because %s", category.ParentCategoryId, categoryModifyReq.Id, uid, err.Error())
 			return nil, errs.Or(err, errs.ErrOperationFailed)
 		}
 
 		toPrimaryCategory, err := a.categories.GetCategoryByCategoryId(c, uid, newCategory.ParentCategoryId)
 
 		if err != nil {
-			log.ErrorfWithRequestId(c, "[transaction_categories.CategoryModifyHandler] failed to get new primary category \"id:%d\" of category \"id:%d\" for user \"uid:%d\", because %s", newCategory.ParentCategoryId, categoryModifyReq.Id, uid, err.Error())
+			log.Errorf(c, "[transaction_categories.CategoryModifyHandler] failed to get new primary category \"id:%d\" of category \"id:%d\" for user \"uid:%d\", because %s", newCategory.ParentCategoryId, categoryModifyReq.Id, uid, err.Error())
 			return nil, errs.Or(err, errs.ErrOperationFailed)
 		}
 
@@ -253,11 +261,11 @@ func (a *TransactionCategoriesApi) CategoryModifyHandler(c *core.Context) (any,
 	err = a.categories.ModifyCategory(c, newCategory)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_categories.CategoryModifyHandler] failed to update category \"id:%d\" for user \"uid:%d\", because %s", categoryModifyReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_categories.CategoryModifyHandler] failed to update category \"id:%d\" for user \"uid:%d\", because %s", categoryModifyReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_categories.CategoryModifyHandler] user \"uid:%d\" has updated category \"id:%d\" successfully", uid, categoryModifyReq.Id)
+	log.Infof(c, "[transaction_categories.CategoryModifyHandler] user \"uid:%d\" has updated category \"id:%d\" successfully", uid, categoryModifyReq.Id)
 
 	newCategory.Type = category.Type
 	newCategory.DisplayOrder = category.DisplayOrder
@@ -267,12 +275,12 @@ func (a *TransactionCategoriesApi) CategoryModifyHandler(c *core.Context) (any,
 }
 
 // CategoryHideHandler hides an existed transaction category by request parameters for current user
-func (a *TransactionCategoriesApi) CategoryHideHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionCategoriesApi) CategoryHideHandler(c *core.WebContext) (any, *errs.Error) {
 	var categoryHideReq models.TransactionCategoryHideRequest
 	err := c.ShouldBindJSON(&categoryHideReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_categories.CategoryHideHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_categories.CategoryHideHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -280,21 +288,21 @@ func (a *TransactionCategoriesApi) CategoryHideHandler(c *core.Context) (any, *e
 	err = a.categories.HideCategory(c, uid, []int64{categoryHideReq.Id}, categoryHideReq.Hidden)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_categories.CategoryHideHandler] failed to hide category \"id:%d\" for user \"uid:%d\", because %s", categoryHideReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_categories.CategoryHideHandler] failed to hide category \"id:%d\" for user \"uid:%d\", because %s", categoryHideReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_categories.CategoryHideHandler] user \"uid:%d\" has hidden category \"id:%d\"", uid, categoryHideReq.Id)
+	log.Infof(c, "[transaction_categories.CategoryHideHandler] user \"uid:%d\" has hidden category \"id:%d\"", uid, categoryHideReq.Id)
 	return true, nil
 }
 
 // CategoryMoveHandler moves display order of existed transaction categories by request parameters for current user
-func (a *TransactionCategoriesApi) CategoryMoveHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionCategoriesApi) CategoryMoveHandler(c *core.WebContext) (any, *errs.Error) {
 	var categoryMoveReq models.TransactionCategoryMoveRequest
 	err := c.ShouldBindJSON(&categoryMoveReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_categories.CategoryMoveHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_categories.CategoryMoveHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -315,21 +323,21 @@ func (a *TransactionCategoriesApi) CategoryMoveHandler(c *core.Context) (any, *e
 	err = a.categories.ModifyCategoryDisplayOrders(c, uid, categories)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_categories.CategoryMoveHandler] failed to move categories for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[transaction_categories.CategoryMoveHandler] failed to move categories for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_categories.CategoryMoveHandler] user \"uid:%d\" has moved categories", uid)
+	log.Infof(c, "[transaction_categories.CategoryMoveHandler] user \"uid:%d\" has moved categories", uid)
 	return true, nil
 }
 
 // CategoryDeleteHandler deletes an existed transaction category by request parameters for current user
-func (a *TransactionCategoriesApi) CategoryDeleteHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionCategoriesApi) CategoryDeleteHandler(c *core.WebContext) (any, *errs.Error) {
 	var categoryDeleteReq models.TransactionCategoryDeleteRequest
 	err := c.ShouldBindJSON(&categoryDeleteReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_categories.CategoryDeleteHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_categories.CategoryDeleteHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -337,15 +345,15 @@ func (a *TransactionCategoriesApi) CategoryDeleteHandler(c *core.Context) (any,
 	err = a.categories.DeleteCategory(c, uid, categoryDeleteReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_categories.CategoryDeleteHandler] failed to delete category \"id:%d\" for user \"uid:%d\", because %s", categoryDeleteReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_categories.CategoryDeleteHandler] failed to delete category \"id:%d\" for user \"uid:%d\", because %s", categoryDeleteReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_categories.CategoryDeleteHandler] user \"uid:%d\" has deleted category \"id:%d\"", uid, categoryDeleteReq.Id)
+	log.Infof(c, "[transaction_categories.CategoryDeleteHandler] user \"uid:%d\" has deleted category \"id:%d\"", uid, categoryDeleteReq.Id)
 	return true, nil
 }
 
-func (a *TransactionCategoriesApi) createBatchCategories(c *core.Context, uid int64, categoryCreateBatchReq *models.TransactionCategoryCreateBatchRequest) ([]*models.TransactionCategory, error) {
+func (a *TransactionCategoriesApi) createBatchCategories(c *core.WebContext, uid int64, categoryCreateBatchReq *models.TransactionCategoryCreateBatchRequest) ([]*models.TransactionCategory, error) {
 	var err error
 	categoryTypeMaxOrderMap := make(map[models.TransactionCategoryType]int32)
 	categoriesMap := make(map[*models.TransactionCategory][]*models.TransactionCategory)
@@ -360,7 +368,7 @@ func (a *TransactionCategoriesApi) createBatchCategories(c *core.Context, uid in
 			maxOrderId, err = a.categories.GetMaxDisplayOrder(c, uid, categoryCreateReq.Type)
 
 			if err != nil {
-				log.ErrorfWithRequestId(c, "[transaction_categories.CategoryCreateBatchHandler] failed to get max display order for user \"uid:%d\", because %s", uid, err.Error())
+				log.Errorf(c, "[transaction_categories.CategoryCreateBatchHandler] failed to get max display order for user \"uid:%d\", because %s", uid, err.Error())
 				return nil, errs.Or(err, errs.ErrOperationFailed)
 			}
 		}
@@ -388,11 +396,11 @@ func (a *TransactionCategoriesApi) createBatchCategories(c *core.Context, uid in
 	categories, err := a.categories.CreateCategories(c, uid, categoriesMap)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_categories.createBatchCategories] failed to create categories for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[transaction_categories.createBatchCategories] failed to create categories for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_categories.createBatchCategories] user \"uid:%d\" has created categories successfully", uid)
+	log.Infof(c, "[transaction_categories.createBatchCategories] user \"uid:%d\" has created categories successfully", uid)
 
 	return categories, nil
 }

pkg/api/transaction_pictures.go

@@ -0,0 +1,180 @@
+package api
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/duplicatechecker"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/services"
+	"github.com/mayswind/ezbookkeeping/pkg/settings"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+// TransactionPicturesApi represents transaction pictures api
+type TransactionPicturesApi struct {
+	ApiUsingConfig
+	ApiUsingDuplicateChecker
+	users    *services.UserService
+	pictures *services.TransactionPictureService
+}
+
+// Initialize a transaction api singleton instance
+var (
+	TransactionPictures = &TransactionPicturesApi{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
+		ApiUsingDuplicateChecker: ApiUsingDuplicateChecker{
+			container: duplicatechecker.Container,
+		},
+		users:    services.Users,
+		pictures: services.TransactionPictures,
+	}
+)
+
+// TransactionPictureUploadHandler saves transaction picture by request parameters for current user
+func (a *TransactionPicturesApi) TransactionPictureUploadHandler(c *core.WebContext) (any, *errs.Error) {
+	uid := c.GetCurrentUid()
+	form, err := c.MultipartForm()
+
+	if err != nil {
+		log.Errorf(c, "[transaction_pictures.TransactionPictureUploadHandler] failed to get multi-part form data for user \"uid:%d\", because %s", uid, err.Error())
+		return nil, errs.ErrParameterInvalid
+	}
+
+	pictureFiles := form.File["picture"]
+
+	if len(pictureFiles) < 1 {
+		log.Warnf(c, "[transaction_pictures.TransactionPictureUploadHandler] there is no transaction picture in request for user \"uid:%d\"", uid)
+		return nil, errs.ErrNoTransactionPicture
+	}
+
+	if pictureFiles[0].Size < 1 {
+		log.Warnf(c, "[transaction_pictures.TransactionPictureUploadHandler] the size of transaction picture in request is zero for user \"uid:%d\"", uid)
+		return nil, errs.ErrTransactionPictureIsEmpty
+	}
+
+	if pictureFiles[0].Size > int64(a.CurrentConfig().MaxTransactionPictureFileSize) {
+		log.Warnf(c, "[transaction_pictures.TransactionPictureUploadHandler] the upload file size \"%d\" exceeds the maximum size \"%d\" of transaction picture for user \"uid:%d\"", pictureFiles[0].Size, a.CurrentConfig().MaxTransactionPictureFileSize, uid)
+		return nil, errs.ErrExceedMaxTransactionPictureFileSize
+	}
+
+	fileExtension := utils.GetFileNameExtension(pictureFiles[0].Filename)
+
+	if utils.GetImageContentType(fileExtension) == "" {
+		log.Warnf(c, "[transaction_pictures.TransactionPictureUploadHandler] the file extension \"%s\" of transaction picture in request is not supported for user \"uid:%d\"", fileExtension, uid)
+		return nil, errs.ErrImageTypeNotSupported
+	}
+
+	pictureFile, err := pictureFiles[0].Open()
+
+	if err != nil {
+		log.Errorf(c, "[transaction_pictures.TransactionPictureUploadHandler] failed to get transaction picture file from request for user \"uid:%d\", because %s", uid, err.Error())
+		return nil, errs.ErrOperationFailed
+	}
+
+	pictureInfo := a.createNewPictureInfoModel(uid, fileExtension, c.ClientIP())
+
+	clientSessionIds := form.Value["clientSessionId"]
+	clientSessionId := ""
+
+	if len(clientSessionIds) > 0 {
+		clientSessionId = clientSessionIds[0]
+	}
+
+	if a.CurrentConfig().EnableDuplicateSubmissionsCheck && clientSessionId != "" {
+		found, remark := a.GetSubmissionRemark(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_PICTURE, uid, clientSessionId)
+
+		if found {
+			log.Infof(c, "[transaction_pictures.TransactionPictureUploadHandler] another transaction picture \"id:%s\" has been uploaded for user \"uid:%d\"", remark, uid)
+			pictureId, err := utils.StringToInt64(remark)
+
+			if err == nil {
+				pictureInfo, err = a.pictures.GetPictureInfoByPictureId(c, uid, pictureId)
+
+				if err != nil {
+					log.Errorf(c, "[transaction_pictures.TransactionPictureUploadHandler] failed to get existed transaction picture \"id:%d\" for user \"uid:%d\", because %s", pictureId, uid, err.Error())
+					return nil, errs.Or(err, errs.ErrOperationFailed)
+				}
+
+				pictureInfoResp := a.GetTransactionPictureInfoResponse(pictureInfo)
+
+				return pictureInfoResp, nil
+			}
+		}
+	}
+
+	err = a.pictures.UploadPicture(c, pictureInfo, pictureFile)
+
+	if err != nil {
+		log.Errorf(c, "[transaction_pictures.TransactionPictureUploadHandler] failed to update transaction picture for user \"uid:%d\", because %s", uid, err.Error())
+		return nil, errs.Or(err, errs.ErrOperationFailed)
+	}
+
+	a.SetSubmissionRemark(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_PICTURE, uid, clientSessionId, utils.Int64ToString(pictureInfo.PictureId))
+	pictureInfoResp := a.GetTransactionPictureInfoResponse(pictureInfo)
+
+	return pictureInfoResp, nil
+}
+
+// TransactionPictureGetHandler returns transaction picture data for current user
+func (a *TransactionPicturesApi) TransactionPictureGetHandler(c *core.WebContext) ([]byte, string, *errs.Error) {
+	fileName := c.Param("fileName")
+	fileExtension := utils.GetFileNameExtension(fileName)
+	contentType := utils.GetImageContentType(fileExtension)
+
+	if contentType == "" {
+		return nil, "", errs.ErrImageTypeNotSupported
+	}
+
+	fileBaseName := utils.GetFileNameWithoutExtension(fileName)
+	pictureId, err := utils.StringToInt64(fileBaseName)
+
+	if err != nil {
+		return nil, "", errs.ErrTransactionPictureIdInvalid
+	}
+
+	uid := c.GetCurrentUid()
+	pictureData, err := a.pictures.GetPictureByPictureId(c, uid, pictureId, fileExtension)
+
+	if err != nil {
+		if !errs.IsCustomError(err) {
+			log.Errorf(c, "[transaction_pictures.TransactionPictureUploadHandler] failed to get transaction picture, because %s", err.Error())
+		}
+
+		return nil, "", errs.Or(err, errs.ErrOperationFailed)
+	}
+
+	return pictureData, contentType, nil
+}
+
+// TransactionPictureRemoveUnusedHandler removes unused transaction picture by request parameters for current user
+func (a *TransactionPicturesApi) TransactionPictureRemoveUnusedHandler(c *core.WebContext) (any, *errs.Error) {
+	var pictureDeleteReq models.TransactionPictureUnusedDeleteRequest
+	err := c.ShouldBindJSON(&pictureDeleteReq)
+
+	if err != nil {
+		log.Warnf(c, "[transaction_pictures.TransactionPictureRemoveUnusedHandler] parse request failed, because %s", err.Error())
+		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
+	}
+
+	uid := c.GetCurrentUid()
+	err = a.pictures.RemoveUnusedTransactionPicture(c, uid, pictureDeleteReq.Id)
+
+	if err != nil {
+		log.Errorf(c, "[transaction_pictures.TransactionPictureRemoveUnusedHandler] failed to remove unused transaction picture for user \"uid:%d\", because %s", uid, err.Error())
+		return nil, errs.Or(err, errs.ErrOperationFailed)
+	}
+
+	return true, nil
+}
+
+func (a *TransactionPicturesApi) createNewPictureInfoModel(uid int64, fileExtension string, clientIp string) *models.TransactionPictureInfo {
+	return &models.TransactionPictureInfo{
+		Uid:              uid,
+		TransactionId:    models.TransactionPictureNewPictureTransactionId,
+		PictureExtension: fileExtension,
+		CreatedIp:        clientIp,
+	}
+}

pkg/api/transaction_tags.go

@@ -23,12 +23,12 @@ var (
 )
 
 // TagListHandler returns transaction tag list of current user
-func (a *TransactionTagsApi) TagListHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionTagsApi) TagListHandler(c *core.WebContext) (any, *errs.Error) {
 	uid := c.GetCurrentUid()
 	tags, err := a.tags.GetAllTagsByUid(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_tags.TagListHandler] failed to get tags for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[transaction_tags.TagListHandler] failed to get tags for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -44,12 +44,12 @@ func (a *TransactionTagsApi) TagListHandler(c *core.Context) (any, *errs.Error)
 }
 
 // TagGetHandler returns one specific transaction tag of current user
-func (a *TransactionTagsApi) TagGetHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionTagsApi) TagGetHandler(c *core.WebContext) (any, *errs.Error) {
 	var tagGetReq models.TransactionTagGetRequest
 	err := c.ShouldBindQuery(&tagGetReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_tags.TagGetHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_tags.TagGetHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -57,7 +57,7 @@ func (a *TransactionTagsApi) TagGetHandler(c *core.Context) (any, *errs.Error) {
 	tag, err := a.tags.GetTagByTagId(c, uid, tagGetReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_tags.TagGetHandler] failed to get tag \"id:%d\" for user \"uid:%d\", because %s", tagGetReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_tags.TagGetHandler] failed to get tag \"id:%d\" for user \"uid:%d\", because %s", tagGetReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -67,12 +67,12 @@ func (a *TransactionTagsApi) TagGetHandler(c *core.Context) (any, *errs.Error) {
 }
 
 // TagCreateHandler saves a new transaction tag by request parameters for current user
-func (a *TransactionTagsApi) TagCreateHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionTagsApi) TagCreateHandler(c *core.WebContext) (any, *errs.Error) {
 	var tagCreateReq models.TransactionTagCreateRequest
 	err := c.ShouldBindJSON(&tagCreateReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_tags.TagCreateHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_tags.TagCreateHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -81,7 +81,7 @@ func (a *TransactionTagsApi) TagCreateHandler(c *core.Context) (any, *errs.Error
 	maxOrderId, err := a.tags.GetMaxDisplayOrder(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_tags.TagCreateHandler] failed to get max display order for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[transaction_tags.TagCreateHandler] failed to get max display order for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -90,11 +90,11 @@ func (a *TransactionTagsApi) TagCreateHandler(c *core.Context) (any, *errs.Error
 	err = a.tags.CreateTag(c, tag)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_tags.TagCreateHandler] failed to create tag \"id:%d\" for user \"uid:%d\", because %s", tag.TagId, uid, err.Error())
+		log.Errorf(c, "[transaction_tags.TagCreateHandler] failed to create tag \"id:%d\" for user \"uid:%d\", because %s", tag.TagId, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_tags.TagCreateHandler] user \"uid:%d\" has created a new tag \"id:%d\" successfully", uid, tag.TagId)
+	log.Infof(c, "[transaction_tags.TagCreateHandler] user \"uid:%d\" has created a new tag \"id:%d\" successfully", uid, tag.TagId)
 
 	tagResp := tag.ToTransactionTagInfoResponse()
 
@@ -102,12 +102,12 @@ func (a *TransactionTagsApi) TagCreateHandler(c *core.Context) (any, *errs.Error
 }
 
 // TagModifyHandler saves an existed transaction tag by request parameters for current user
-func (a *TransactionTagsApi) TagModifyHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionTagsApi) TagModifyHandler(c *core.WebContext) (any, *errs.Error) {
 	var tagModifyReq models.TransactionTagModifyRequest
 	err := c.ShouldBindJSON(&tagModifyReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_tags.TagModifyHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_tags.TagModifyHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -115,7 +115,7 @@ func (a *TransactionTagsApi) TagModifyHandler(c *core.Context) (any, *errs.Error
 	tag, err := a.tags.GetTagByTagId(c, uid, tagModifyReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_tags.TagModifyHandler] failed to get tag \"id:%d\" for user \"uid:%d\", because %s", tagModifyReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_tags.TagModifyHandler] failed to get tag \"id:%d\" for user \"uid:%d\", because %s", tagModifyReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -132,11 +132,11 @@ func (a *TransactionTagsApi) TagModifyHandler(c *core.Context) (any, *errs.Error
 	err = a.tags.ModifyTag(c, newTag)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_tags.TagModifyHandler] failed to update tag \"id:%d\" for user \"uid:%d\", because %s", tagModifyReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_tags.TagModifyHandler] failed to update tag \"id:%d\" for user \"uid:%d\", because %s", tagModifyReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_tags.TagModifyHandler] user \"uid:%d\" has updated tag \"id:%d\" successfully", uid, tagModifyReq.Id)
+	log.Infof(c, "[transaction_tags.TagModifyHandler] user \"uid:%d\" has updated tag \"id:%d\" successfully", uid, tagModifyReq.Id)
 
 	tag.Name = newTag.Name
 	tagResp := tag.ToTransactionTagInfoResponse()
@@ -144,13 +144,13 @@ func (a *TransactionTagsApi) TagModifyHandler(c *core.Context) (any, *errs.Error
 	return tagResp, nil
 }
 
-// TagHideHandler hides an transaction tag by request parameters for current user
-func (a *TransactionTagsApi) TagHideHandler(c *core.Context) (any, *errs.Error) {
+// TagHideHandler hides a transaction tag by request parameters for current user
+func (a *TransactionTagsApi) TagHideHandler(c *core.WebContext) (any, *errs.Error) {
 	var tagHideReq models.TransactionTagHideRequest
 	err := c.ShouldBindJSON(&tagHideReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_tags.TagHideHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_tags.TagHideHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -158,21 +158,21 @@ func (a *TransactionTagsApi) TagHideHandler(c *core.Context) (any, *errs.Error)
 	err = a.tags.HideTag(c, uid, []int64{tagHideReq.Id}, tagHideReq.Hidden)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_tags.TagHideHandler] failed to hide tag \"id:%d\" for user \"uid:%d\", because %s", tagHideReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_tags.TagHideHandler] failed to hide tag \"id:%d\" for user \"uid:%d\", because %s", tagHideReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_tags.TagHideHandler] user \"uid:%d\" has hidden tag \"id:%d\"", uid, tagHideReq.Id)
+	log.Infof(c, "[transaction_tags.TagHideHandler] user \"uid:%d\" has hidden tag \"id:%d\"", uid, tagHideReq.Id)
 	return true, nil
 }
 
 // TagMoveHandler moves display order of existed transaction tags by request parameters for current user
-func (a *TransactionTagsApi) TagMoveHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionTagsApi) TagMoveHandler(c *core.WebContext) (any, *errs.Error) {
 	var tagMoveReq models.TransactionTagMoveRequest
 	err := c.ShouldBindJSON(&tagMoveReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_tags.TagMoveHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_tags.TagMoveHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -193,21 +193,21 @@ func (a *TransactionTagsApi) TagMoveHandler(c *core.Context) (any, *errs.Error)
 	err = a.tags.ModifyTagDisplayOrders(c, uid, tags)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_tags.TagMoveHandler] failed to move tags for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[transaction_tags.TagMoveHandler] failed to move tags for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_tags.TagMoveHandler] user \"uid:%d\" has moved tags", uid)
+	log.Infof(c, "[transaction_tags.TagMoveHandler] user \"uid:%d\" has moved tags", uid)
 	return true, nil
 }
 
 // TagDeleteHandler deletes an existed transaction tag by request parameters for current user
-func (a *TransactionTagsApi) TagDeleteHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionTagsApi) TagDeleteHandler(c *core.WebContext) (any, *errs.Error) {
 	var tagDeleteReq models.TransactionTagDeleteRequest
 	err := c.ShouldBindJSON(&tagDeleteReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_tags.TagDeleteHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_tags.TagDeleteHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -215,11 +215,11 @@ func (a *TransactionTagsApi) TagDeleteHandler(c *core.Context) (any, *errs.Error
 	err = a.tags.DeleteTag(c, uid, tagDeleteReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_tags.TagDeleteHandler] failed to delete tag \"id:%d\" for user \"uid:%d\", because %s", tagDeleteReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_tags.TagDeleteHandler] failed to delete tag \"id:%d\" for user \"uid:%d\", because %s", tagDeleteReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_tags.TagDeleteHandler] user \"uid:%d\" has deleted tag \"id:%d\"", uid, tagDeleteReq.Id)
+	log.Infof(c, "[transaction_tags.TagDeleteHandler] user \"uid:%d\" has deleted tag \"id:%d\"", uid, tagDeleteReq.Id)
 	return true, nil
 }
 

pkg/api/transaction_templates.go

@@ -3,6 +3,7 @@ package api
 import (
 	"sort"
 	"strings"
+	"time"
 
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/duplicatechecker"
@@ -14,38 +15,52 @@ import (
 	"github.com/mayswind/ezbookkeeping/pkg/utils"
 )
 
+const maximumTagsCountOfTemplate = 10
+
 // TransactionTemplatesApi represents transaction template api
 type TransactionTemplatesApi struct {
+	ApiUsingConfig
+	ApiUsingDuplicateChecker
 	templates *services.TransactionTemplateService
 }
 
 // Initialize a transaction template api singleton instance
 var (
 	TransactionTemplates = &TransactionTemplatesApi{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
+		ApiUsingDuplicateChecker: ApiUsingDuplicateChecker{
+			container: duplicatechecker.Container,
+		},
 		templates: services.TransactionTemplates,
 	}
 )
 
 // TemplateListHandler returns transaction template list of current user
-func (a *TransactionTemplatesApi) TemplateListHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionTemplatesApi) TemplateListHandler(c *core.WebContext) (any, *errs.Error) {
 	var templateListReq models.TransactionTemplateListRequest
 	err := c.ShouldBindQuery(&templateListReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_templates.TemplateListHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_templates.TemplateListHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
-	if templateListReq.TemplateType < models.TRANSACTION_TEMPLATE_TYPE_NORMAL || templateListReq.TemplateType > models.TRANSACTION_TEMPLATE_TYPE_NORMAL {
-		log.WarnfWithRequestId(c, "[transaction_templates.TemplateListHandler] template type invalid, type is %d", templateListReq.TemplateType)
+	if templateListReq.TemplateType < models.TRANSACTION_TEMPLATE_TYPE_NORMAL || templateListReq.TemplateType > models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE {
+		log.Warnf(c, "[transaction_templates.TemplateListHandler] template type invalid, type is %d", templateListReq.TemplateType)
 		return nil, errs.ErrTransactionTemplateTypeInvalid
 	}
 
+	if templateListReq.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE && !a.CurrentConfig().EnableScheduledTransaction {
+		return nil, errs.ErrScheduledTransactionNotEnabled
+	}
+
 	uid := c.GetCurrentUid()
 	templates, err := a.templates.GetAllTemplatesByUid(c, uid, templateListReq.TemplateType)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_templates.TemplateListHandler] failed to get templates for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[transaction_templates.TemplateListHandler] failed to get templates for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -62,12 +77,12 @@ func (a *TransactionTemplatesApi) TemplateListHandler(c *core.Context) (any, *er
 }
 
 // TemplateGetHandler returns one specific transaction template of current user
-func (a *TransactionTemplatesApi) TemplateGetHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionTemplatesApi) TemplateGetHandler(c *core.WebContext) (any, *errs.Error) {
 	var templateGetReq models.TransactionTemplateGetRequest
 	err := c.ShouldBindQuery(&templateGetReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_templates.TemplateGetHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_templates.TemplateGetHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -75,10 +90,14 @@ func (a *TransactionTemplatesApi) TemplateGetHandler(c *core.Context) (any, *err
 	template, err := a.templates.GetTemplateByTemplateId(c, uid, templateGetReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_templates.TemplateGetHandler] failed to get template \"id:%d\" for user \"uid:%d\", because %s", templateGetReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_templates.TemplateGetHandler] failed to get template \"id:%d\" for user \"uid:%d\", because %s", templateGetReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
+	if template.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE && !a.CurrentConfig().EnableScheduledTransaction {
+		return nil, errs.ErrScheduledTransactionNotEnabled
+	}
+
 	serverUtcOffset := utils.GetServerTimezoneOffsetMinutes()
 	templateResp := template.ToTransactionTemplateInfoResponse(serverUtcOffset)
 
@@ -86,49 +105,71 @@ func (a *TransactionTemplatesApi) TemplateGetHandler(c *core.Context) (any, *err
 }
 
 // TemplateCreateHandler saves a new transaction template by request parameters for current user
-func (a *TransactionTemplatesApi) TemplateCreateHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionTemplatesApi) TemplateCreateHandler(c *core.WebContext) (any, *errs.Error) {
 	var templateCreateReq models.TransactionTemplateCreateRequest
 	err := c.ShouldBindJSON(&templateCreateReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_templates.TemplateCreateHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_templates.TemplateCreateHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
-	if templateCreateReq.TemplateType < models.TRANSACTION_TEMPLATE_TYPE_NORMAL || templateCreateReq.TemplateType > models.TRANSACTION_TEMPLATE_TYPE_NORMAL {
-		log.WarnfWithRequestId(c, "[transaction_templates.TemplateCreateHandler] template type invalid, type is %d", templateCreateReq.TemplateType)
+	if templateCreateReq.TemplateType < models.TRANSACTION_TEMPLATE_TYPE_NORMAL || templateCreateReq.TemplateType > models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE {
+		log.Warnf(c, "[transaction_templates.TemplateCreateHandler] template type invalid, type is %d", templateCreateReq.TemplateType)
 		return nil, errs.ErrTransactionTemplateTypeInvalid
 	}
 
+	if templateCreateReq.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE && !a.CurrentConfig().EnableScheduledTransaction {
+		return nil, errs.ErrScheduledTransactionNotEnabled
+	}
+
 	if templateCreateReq.Type <= models.TRANSACTION_TYPE_MODIFY_BALANCE || templateCreateReq.Type > models.TRANSACTION_TYPE_TRANSFER {
-		log.WarnfWithRequestId(c, "[transaction_templates.TemplateCreateHandler] transaction type invalid, type is %d", templateCreateReq.Type)
+		log.Warnf(c, "[transaction_templates.TemplateCreateHandler] transaction type invalid, type is %d", templateCreateReq.Type)
 		return nil, errs.ErrTransactionTypeInvalid
 	}
 
+	if templateCreateReq.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE {
+		if templateCreateReq.ScheduledFrequencyType == nil ||
+			templateCreateReq.ScheduledFrequency == nil ||
+			templateCreateReq.ScheduledTimezoneUtcOffset == nil {
+			return nil, errs.ErrScheduledTransactionFrequencyInvalid
+		}
+
+		if *templateCreateReq.ScheduledFrequencyType == models.TRANSACTION_SCHEDULE_FREQUENCY_TYPE_DISABLED && *templateCreateReq.ScheduledFrequency != "" {
+			return nil, errs.ErrScheduledTransactionFrequencyInvalid
+		} else if *templateCreateReq.ScheduledFrequencyType != models.TRANSACTION_SCHEDULE_FREQUENCY_TYPE_DISABLED && *templateCreateReq.ScheduledFrequency == "" {
+			return nil, errs.ErrScheduledTransactionFrequencyInvalid
+		}
+	}
+
+	if len(templateCreateReq.TagIds) > maximumTagsCountOfTemplate {
+		return nil, errs.ErrTransactionTemplateHasTooManyTags
+	}
+
 	uid := c.GetCurrentUid()
 
 	maxOrderId, err := a.templates.GetMaxDisplayOrder(c, uid, templateCreateReq.TemplateType)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_templates.TemplateCreateHandler] failed to get max display order for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[transaction_templates.TemplateCreateHandler] failed to get max display order for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
 	serverUtcOffset := utils.GetServerTimezoneOffsetMinutes()
 	template := a.createNewTemplateModel(uid, &templateCreateReq, maxOrderId+1)
 
-	if settings.Container.Current.EnableDuplicateSubmissionsCheck && templateCreateReq.ClientSessionId != "" {
-		found, remark := duplicatechecker.Container.Get(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_TEMPLATE, uid, templateCreateReq.ClientSessionId)
+	if a.CurrentConfig().EnableDuplicateSubmissionsCheck && templateCreateReq.ClientSessionId != "" {
+		found, remark := a.GetSubmissionRemark(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_TEMPLATE, uid, templateCreateReq.ClientSessionId)
 
 		if found {
-			log.InfofWithRequestId(c, "[transaction_templates.TemplateCreateHandler] another template \"id:%s\" has been created for user \"uid:%d\"", remark, uid)
+			log.Infof(c, "[transaction_templates.TemplateCreateHandler] another template \"id:%s\" has been created for user \"uid:%d\"", remark, uid)
 			templateId, err := utils.StringToInt64(remark)
 
 			if err == nil {
 				template, err = a.templates.GetTemplateByTemplateId(c, uid, templateId)
 
 				if err != nil {
-					log.ErrorfWithRequestId(c, "[transaction_templates.TemplateCreateHandler] failed to get existed template \"id:%d\" for user \"uid:%d\", because %s", templateId, uid, err.Error())
+					log.Errorf(c, "[transaction_templates.TemplateCreateHandler] failed to get existed template \"id:%d\" for user \"uid:%d\", because %s", templateId, uid, err.Error())
 					return nil, errs.Or(err, errs.ErrOperationFailed)
 				}
 
@@ -142,30 +183,30 @@ func (a *TransactionTemplatesApi) TemplateCreateHandler(c *core.Context) (any, *
 	err = a.templates.CreateTemplate(c, template)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_templates.TemplateCreateHandler] failed to create template \"id:%d\" for user \"uid:%d\", because %s", template.TemplateId, uid, err.Error())
+		log.Errorf(c, "[transaction_templates.TemplateCreateHandler] failed to create template \"id:%d\" for user \"uid:%d\", because %s", template.TemplateId, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_templates.TemplateCreateHandler] user \"uid:%d\" has created a new template \"id:%d\" successfully", uid, template.TemplateId)
+	log.Infof(c, "[transaction_templates.TemplateCreateHandler] user \"uid:%d\" has created a new template \"id:%d\" successfully", uid, template.TemplateId)
 
-	duplicatechecker.Container.Set(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_TEMPLATE, uid, templateCreateReq.ClientSessionId, utils.Int64ToString(template.TemplateId))
+	a.SetSubmissionRemark(duplicatechecker.DUPLICATE_CHECKER_TYPE_NEW_TEMPLATE, uid, templateCreateReq.ClientSessionId, utils.Int64ToString(template.TemplateId))
 	templateResp := template.ToTransactionTemplateInfoResponse(serverUtcOffset)
 
 	return templateResp, nil
 }
 
 // TemplateModifyHandler saves an existed transaction template by request parameters for current user
-func (a *TransactionTemplatesApi) TemplateModifyHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionTemplatesApi) TemplateModifyHandler(c *core.WebContext) (any, *errs.Error) {
 	var templateModifyReq models.TransactionTemplateModifyRequest
 	err := c.ShouldBindJSON(&templateModifyReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_templates.TemplateModifyHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_templates.TemplateModifyHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
 	if templateModifyReq.Type <= models.TRANSACTION_TYPE_MODIFY_BALANCE || templateModifyReq.Type > models.TRANSACTION_TYPE_TRANSFER {
-		log.WarnfWithRequestId(c, "[transaction_templates.TemplateModifyHandler] transaction type invalid, type is %d", templateModifyReq.Type)
+		log.Warnf(c, "[transaction_templates.TemplateModifyHandler] transaction type invalid, type is %d", templateModifyReq.Type)
 		return nil, errs.ErrTransactionTypeInvalid
 	}
 
@@ -173,10 +214,32 @@ func (a *TransactionTemplatesApi) TemplateModifyHandler(c *core.Context) (any, *
 	template, err := a.templates.GetTemplateByTemplateId(c, uid, templateModifyReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_templates.TemplateModifyHandler] failed to get template \"id:%d\" for user \"uid:%d\", because %s", templateModifyReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_templates.TemplateModifyHandler] failed to get template \"id:%d\" for user \"uid:%d\", because %s", templateModifyReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
+	if template.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE && !a.CurrentConfig().EnableScheduledTransaction {
+		return nil, errs.ErrScheduledTransactionNotEnabled
+	}
+
+	if template.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE {
+		if templateModifyReq.ScheduledFrequencyType == nil ||
+			templateModifyReq.ScheduledFrequency == nil ||
+			templateModifyReq.ScheduledTimezoneUtcOffset == nil {
+			return nil, errs.ErrScheduledTransactionFrequencyInvalid
+		}
+
+		if *templateModifyReq.ScheduledFrequencyType == models.TRANSACTION_SCHEDULE_FREQUENCY_TYPE_DISABLED && *templateModifyReq.ScheduledFrequency != "" {
+			return nil, errs.ErrScheduledTransactionFrequencyInvalid
+		} else if *templateModifyReq.ScheduledFrequencyType != models.TRANSACTION_SCHEDULE_FREQUENCY_TYPE_DISABLED && *templateModifyReq.ScheduledFrequency == "" {
+			return nil, errs.ErrScheduledTransactionFrequencyInvalid
+		}
+	}
+
+	if len(templateModifyReq.TagIds) > maximumTagsCountOfTemplate {
+		return nil, errs.ErrTransactionTemplateHasTooManyTags
+	}
+
 	newTemplate := &models.TransactionTemplate{
 		TemplateId:           template.TemplateId,
 		Uid:                  uid,
@@ -192,6 +255,13 @@ func (a *TransactionTemplatesApi) TemplateModifyHandler(c *core.Context) (any, *
 		Comment:              templateModifyReq.Comment,
 	}
 
+	if template.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE {
+		newTemplate.ScheduledFrequencyType = *templateModifyReq.ScheduledFrequencyType
+		newTemplate.ScheduledFrequency = a.getOrderedFrequencyValues(*templateModifyReq.ScheduledFrequency)
+		newTemplate.ScheduledAt = a.getUTCScheduledAt(*templateModifyReq.ScheduledTimezoneUtcOffset)
+		newTemplate.ScheduledTimezoneUtcOffset = *templateModifyReq.ScheduledTimezoneUtcOffset
+	}
+
 	if newTemplate.Name == template.Name &&
 		newTemplate.Type == template.Type &&
 		newTemplate.CategoryId == template.CategoryId &&
@@ -202,17 +272,26 @@ func (a *TransactionTemplatesApi) TemplateModifyHandler(c *core.Context) (any, *
 		newTemplate.RelatedAccountAmount == template.RelatedAccountAmount &&
 		newTemplate.HideAmount == template.HideAmount &&
 		newTemplate.Comment == template.Comment {
+		if template.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_NORMAL {
 			return nil, errs.ErrNothingWillBeUpdated
+		} else if template.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE {
+			if newTemplate.ScheduledFrequencyType == template.ScheduledFrequencyType &&
+				newTemplate.ScheduledFrequency == template.ScheduledFrequency &&
+				newTemplate.ScheduledAt == template.ScheduledAt &&
+				newTemplate.ScheduledTimezoneUtcOffset == template.ScheduledTimezoneUtcOffset {
+				return nil, errs.ErrNothingWillBeUpdated
+			}
+		}
 	}
 
 	err = a.templates.ModifyTemplate(c, newTemplate)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_templates.TemplateModifyHandler] failed to update template \"id:%d\" for user \"uid:%d\", because %s", templateModifyReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_templates.TemplateModifyHandler] failed to update template \"id:%d\" for user \"uid:%d\", because %s", templateModifyReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_templates.TemplateModifyHandler] user \"uid:%d\" has updated template \"id:%d\" successfully", uid, templateModifyReq.Id)
+	log.Infof(c, "[transaction_templates.TemplateModifyHandler] user \"uid:%d\" has updated template \"id:%d\" successfully", uid, templateModifyReq.Id)
 
 	serverUtcOffset := utils.GetServerTimezoneOffsetMinutes()
 	newTemplate.TemplateType = template.TemplateType
@@ -223,39 +302,65 @@ func (a *TransactionTemplatesApi) TemplateModifyHandler(c *core.Context) (any, *
 	return templateResp, nil
 }
 
-// TemplateHideHandler hides an transaction template by request parameters for current user
-func (a *TransactionTemplatesApi) TemplateHideHandler(c *core.Context) (any, *errs.Error) {
+// TemplateHideHandler hides a transaction template by request parameters for current user
+func (a *TransactionTemplatesApi) TemplateHideHandler(c *core.WebContext) (any, *errs.Error) {
 	var templateHideReq models.TransactionTemplateHideRequest
 	err := c.ShouldBindJSON(&templateHideReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_templates.TemplateHideHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_templates.TemplateHideHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
 	uid := c.GetCurrentUid()
-	err = a.templates.HideTemplate(c, uid, []int64{templateHideReq.Id}, templateHideReq.Hidden)
+
+	template, err := a.templates.GetTemplateByTemplateId(c, uid, templateHideReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_templates.TemplateHideHandler] failed to hide template \"id:%d\" for user \"uid:%d\", because %s", templateHideReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_templates.TemplateHideHandler] failed to get template \"id:%d\" for user \"uid:%d\", because %s", templateHideReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_templates.TemplateHideHandler] user \"uid:%d\" has hidden template \"id:%d\"", uid, templateHideReq.Id)
+	if template.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE && !a.CurrentConfig().EnableScheduledTransaction {
+		return nil, errs.ErrScheduledTransactionNotEnabled
+	}
+
+	err = a.templates.HideTemplate(c, uid, []int64{templateHideReq.Id}, templateHideReq.Hidden)
+
+	if err != nil {
+		log.Errorf(c, "[transaction_templates.TemplateHideHandler] failed to hide template \"id:%d\" for user \"uid:%d\", because %s", templateHideReq.Id, uid, err.Error())
+		return nil, errs.Or(err, errs.ErrOperationFailed)
+	}
+
+	log.Infof(c, "[transaction_templates.TemplateHideHandler] user \"uid:%d\" has hidden template \"id:%d\"", uid, templateHideReq.Id)
 	return true, nil
 }
 
 // TemplateMoveHandler moves display order of existed transaction templates by request parameters for current user
-func (a *TransactionTemplatesApi) TemplateMoveHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionTemplatesApi) TemplateMoveHandler(c *core.WebContext) (any, *errs.Error) {
 	var templateMoveReq models.TransactionTemplateMoveRequest
 	err := c.ShouldBindJSON(&templateMoveReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_templates.CategoryMoveHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_templates.TemplateMoveHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
 	uid := c.GetCurrentUid()
+
+	if len(templateMoveReq.NewDisplayOrders) > 0 {
+		template, err := a.templates.GetTemplateByTemplateId(c, uid, templateMoveReq.NewDisplayOrders[0].Id)
+
+		if err != nil {
+			log.Errorf(c, "[transaction_templates.TemplateMoveHandler] failed to get template \"id:%d\" for user \"uid:%d\", because %s", templateMoveReq.NewDisplayOrders[0].Id, uid, err.Error())
+			return nil, errs.Or(err, errs.ErrOperationFailed)
+		}
+
+		if template.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE && !a.CurrentConfig().EnableScheduledTransaction {
+			return nil, errs.ErrScheduledTransactionNotEnabled
+		}
+	}
+
 	templates := make([]*models.TransactionTemplate, len(templateMoveReq.NewDisplayOrders))
 
 	for i := 0; i < len(templateMoveReq.NewDisplayOrders); i++ {
@@ -272,38 +377,50 @@ func (a *TransactionTemplatesApi) TemplateMoveHandler(c *core.Context) (any, *er
 	err = a.templates.ModifyTemplateDisplayOrders(c, uid, templates)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_templates.TemplateMoveHandler] failed to move templates for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[transaction_templates.TemplateMoveHandler] failed to move templates for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_templates.TemplateMoveHandler] user \"uid:%d\" has moved templates", uid)
+	log.Infof(c, "[transaction_templates.TemplateMoveHandler] user \"uid:%d\" has moved templates", uid)
 	return true, nil
 }
 
 // TemplateDeleteHandler deletes an existed transaction template by request parameters for current user
-func (a *TransactionTemplatesApi) TemplateDeleteHandler(c *core.Context) (any, *errs.Error) {
+func (a *TransactionTemplatesApi) TemplateDeleteHandler(c *core.WebContext) (any, *errs.Error) {
 	var templateDeleteReq models.TransactionTemplateDeleteRequest
 	err := c.ShouldBindJSON(&templateDeleteReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[transaction_templates.TemplateDeleteHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[transaction_templates.TemplateDeleteHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
 	uid := c.GetCurrentUid()
-	err = a.templates.DeleteTemplate(c, uid, templateDeleteReq.Id)
+
+	template, err := a.templates.GetTemplateByTemplateId(c, uid, templateDeleteReq.Id)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[transaction_templates.TemplateDeleteHandler] failed to delete template \"id:%d\" for user \"uid:%d\", because %s", templateDeleteReq.Id, uid, err.Error())
+		log.Errorf(c, "[transaction_templates.TemplateDeleteHandler] failed to get template \"id:%d\" for user \"uid:%d\", because %s", templateDeleteReq.Id, uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[transaction_templates.TemplateDeleteHandler] user \"uid:%d\" has deleted template \"id:%d\"", uid, templateDeleteReq.Id)
+	if template.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE && !a.CurrentConfig().EnableScheduledTransaction {
+		return nil, errs.ErrScheduledTransactionNotEnabled
+	}
+
+	err = a.templates.DeleteTemplate(c, uid, templateDeleteReq.Id)
+
+	if err != nil {
+		log.Errorf(c, "[transaction_templates.TemplateDeleteHandler] failed to delete template \"id:%d\" for user \"uid:%d\", because %s", templateDeleteReq.Id, uid, err.Error())
+		return nil, errs.Or(err, errs.ErrOperationFailed)
+	}
+
+	log.Infof(c, "[transaction_templates.TemplateDeleteHandler] user \"uid:%d\" has deleted template \"id:%d\"", uid, templateDeleteReq.Id)
 	return true, nil
 }
 
 func (a *TransactionTemplatesApi) createNewTemplateModel(uid int64, templateCreateReq *models.TransactionTemplateCreateRequest, order int32) *models.TransactionTemplate {
-	return &models.TransactionTemplate{
+	template := &models.TransactionTemplate{
 		Uid:                  uid,
 		TemplateType:         templateCreateReq.TemplateType,
 		Name:                 templateCreateReq.Name,
@@ -318,4 +435,60 @@ func (a *TransactionTemplatesApi) createNewTemplateModel(uid int64, templateCrea
 		Comment:              templateCreateReq.Comment,
 		DisplayOrder:         order,
 	}
+
+	if templateCreateReq.TemplateType == models.TRANSACTION_TEMPLATE_TYPE_SCHEDULE {
+		template.ScheduledFrequencyType = *templateCreateReq.ScheduledFrequencyType
+		template.ScheduledFrequency = a.getOrderedFrequencyValues(*templateCreateReq.ScheduledFrequency)
+		template.ScheduledAt = a.getUTCScheduledAt(*templateCreateReq.ScheduledTimezoneUtcOffset)
+		template.ScheduledTimezoneUtcOffset = *templateCreateReq.ScheduledTimezoneUtcOffset
+	}
+
+	return template
+}
+
+func (a *TransactionTemplatesApi) getUTCScheduledAt(scheduledTimezoneUtcOffset int16) int16 {
+	templateTimeZone := time.FixedZone("Template Timezone", int(scheduledTimezoneUtcOffset)*60)
+	transactionTime := time.Date(2020, 1, 1, 0, 0, 0, 0, templateTimeZone)
+	transactionTimeInUTC := transactionTime.In(time.UTC)
+
+	minutesElapsedOfDayInUtc := transactionTimeInUTC.Hour()*60 + transactionTimeInUTC.Minute()
+
+	return int16(minutesElapsedOfDayInUtc)
+}
+
+func (a *TransactionTemplatesApi) getOrderedFrequencyValues(frequencyValue string) string {
+	if frequencyValue == "" {
+		return ""
+	}
+
+	items := strings.Split(frequencyValue, ",")
+	values := make([]int, 0, len(items))
+	valueExistMap := make(map[int]bool)
+
+	for i := 0; i < len(items); i++ {
+		value, err := utils.StringToInt(items[i])
+
+		if err != nil {
+			continue
+		}
+
+		if _, exists := valueExistMap[value]; !exists {
+			values = append(values, value)
+			valueExistMap[value] = true
+		}
+	}
+
+	sort.Ints(values)
+
+	var sortedFrequencyValueBuilder strings.Builder
+
+	for i := 0; i < len(values); i++ {
+		if sortedFrequencyValueBuilder.Len() > 0 {
+			sortedFrequencyValueBuilder.WriteRune(',')
+		}
+
+		sortedFrequencyValueBuilder.WriteString(utils.IntToString(values[i]))
+	}
+
+	return sortedFrequencyValueBuilder.String()
 }

pkg/api/twofactor_authorizations.go

@@ -32,7 +32,7 @@ var (
 )
 
 // TwoFactorStatusHandler returns 2fa status of current user
-func (a *TwoFactorAuthorizationsApi) TwoFactorStatusHandler(c *core.Context) (any, *errs.Error) {
+func (a *TwoFactorAuthorizationsApi) TwoFactorStatusHandler(c *core.WebContext) (any, *errs.Error) {
 	uid := c.GetCurrentUid()
 	twoFactorSetting, err := a.twoFactorAuthorizations.GetUserTwoFactorSettingByUid(c, uid)
 
@@ -45,7 +45,7 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorStatusHandler(c *core.Context) (an
 	}
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorStatusHandler] failed to get two-factor setting, because %s", err.Error())
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorStatusHandler] failed to get two-factor setting, because %s", err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -58,12 +58,12 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorStatusHandler(c *core.Context) (an
 }
 
 // TwoFactorEnableRequestHandler returns a new 2fa secret and qr code for current user to set 2fa and verify passcode next
-func (a *TwoFactorAuthorizationsApi) TwoFactorEnableRequestHandler(c *core.Context) (any, *errs.Error) {
+func (a *TwoFactorAuthorizationsApi) TwoFactorEnableRequestHandler(c *core.WebContext) (any, *errs.Error) {
 	uid := c.GetCurrentUid()
 	enabled, err := a.twoFactorAuthorizations.ExistsTwoFactorSetting(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableRequestHandler] failed to check two-factor setting, because %s", err.Error())
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorEnableRequestHandler] failed to check two-factor setting, because %s", err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -75,7 +75,7 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorEnableRequestHandler(c *core.Conte
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableRequestHandler] failed to get user, because %s", err.Error())
+			log.Errorf(c, "[twofactor_authorizations.TwoFactorEnableRequestHandler] failed to get user, because %s", err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
@@ -84,14 +84,14 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorEnableRequestHandler(c *core.Conte
 	key, err := a.twoFactorAuthorizations.GenerateTwoFactorSecret(c, user)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableRequestHandler] failed to generate two-factor secret, because %s", err.Error())
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorEnableRequestHandler] failed to generate two-factor secret, because %s", err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
 	img, err := key.Image(240, 240)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableRequestHandler] failed to generate two-factor qrcode, because %s", err.Error())
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorEnableRequestHandler] failed to generate two-factor qrcode, because %s", err.Error())
 		return nil, errs.ErrOperationFailed
 	}
 
@@ -110,12 +110,12 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorEnableRequestHandler(c *core.Conte
 }
 
 // TwoFactorEnableConfirmHandler enables 2fa for current user
-func (a *TwoFactorAuthorizationsApi) TwoFactorEnableConfirmHandler(c *core.Context) (any, *errs.Error) {
+func (a *TwoFactorAuthorizationsApi) TwoFactorEnableConfirmHandler(c *core.WebContext) (any, *errs.Error) {
 	var confirmReq models.TwoFactorEnableConfirmRequest
 	err := c.ShouldBindJSON(&confirmReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -123,7 +123,7 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorEnableConfirmHandler(c *core.Conte
 	exists, err := a.twoFactorAuthorizations.ExistsTwoFactorSetting(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to check two-factor setting, because %s", err.Error())
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to check two-factor setting, because %s", err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -135,7 +135,7 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorEnableConfirmHandler(c *core.Conte
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to get user, because %s", err.Error())
+			log.Errorf(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to get user, because %s", err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
@@ -147,46 +147,46 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorEnableConfirmHandler(c *core.Conte
 	}
 
 	if !totp.Validate(confirmReq.Passcode, confirmReq.Secret) {
-		log.WarnfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] passcode is invalid")
+		log.Warnf(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] passcode is invalid")
 		return nil, errs.ErrPasscodeInvalid
 	}
 
 	recoveryCodes, err := a.twoFactorAuthorizations.GenerateTwoFactorRecoveryCodes()
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to generate two-factor recovery codes for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to generate two-factor recovery codes for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
 	err = a.twoFactorAuthorizations.CreateTwoFactorRecoveryCodes(c, uid, recoveryCodes, user.Salt)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to create two-factor recovery codes for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to create two-factor recovery codes for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
 	err = a.twoFactorAuthorizations.CreateTwoFactorSetting(c, twoFactorSetting)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to create two-factor setting for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to create two-factor setting for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] user \"uid:%d\" has enabled two-factor authorization", uid)
+	log.Infof(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] user \"uid:%d\" has enabled two-factor authorization", uid)
 
 	now := time.Now().Unix()
 	err = a.tokens.DeleteTokensBeforeTime(c, uid, now)
 
 	if err == nil {
-		log.InfofWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] revoke old tokens before unix time \"%d\" for user \"uid:%d\"", now, user.Uid)
+		log.Infof(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] revoke old tokens before unix time \"%d\" for user \"uid:%d\"", now, user.Uid)
 	} else {
-		log.WarnfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to revoke old tokens for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Warnf(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to revoke old tokens for user \"uid:%d\", because %s", user.Uid, err.Error())
 	}
 
 	token, claims, err := a.tokens.CreateToken(c, user)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Warnf(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 
 		confirmResp := &models.TwoFactorEnableConfirmResponse{
 			RecoveryCodes: recoveryCodes,
@@ -198,7 +198,7 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorEnableConfirmHandler(c *core.Conte
 	c.SetTextualToken(token)
 	c.SetTokenClaims(claims)
 
-	log.InfofWithRequestId(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] user \"uid:%d\" token refreshed, new token will be expired at %d", user.Uid, claims.ExpiresAt)
+	log.Infof(c, "[twofactor_authorizations.TwoFactorEnableConfirmHandler] user \"uid:%d\" token refreshed, new token will be expired at %d", user.Uid, claims.ExpiresAt)
 
 	confirmResp := &models.TwoFactorEnableConfirmResponse{
 		Token:         token,
@@ -209,12 +209,12 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorEnableConfirmHandler(c *core.Conte
 }
 
 // TwoFactorDisableHandler disables 2fa for current user
-func (a *TwoFactorAuthorizationsApi) TwoFactorDisableHandler(c *core.Context) (any, *errs.Error) {
+func (a *TwoFactorAuthorizationsApi) TwoFactorDisableHandler(c *core.WebContext) (any, *errs.Error) {
 	var disableReq models.TwoFactorDisableRequest
 	err := c.ShouldBindJSON(&disableReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[twofactor_authorizations.TwoFactorDisableHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[twofactor_authorizations.TwoFactorDisableHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -223,7 +223,7 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorDisableHandler(c *core.Context) (a
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.WarnfWithRequestId(c, "[twofactor_authorizations.TwoFactorDisableHandler] failed to get user for user \"uid:%d\", because %s", uid, err.Error())
+			log.Warnf(c, "[twofactor_authorizations.TwoFactorDisableHandler] failed to get user for user \"uid:%d\", because %s", uid, err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
@@ -236,7 +236,7 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorDisableHandler(c *core.Context) (a
 	enableTwoFactor, err := a.twoFactorAuthorizations.ExistsTwoFactorSetting(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorDisableHandler] failed to check two-factor setting, because %s", err.Error())
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorDisableHandler] failed to check two-factor setting, because %s", err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -247,29 +247,29 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorDisableHandler(c *core.Context) (a
 	err = a.twoFactorAuthorizations.DeleteTwoFactorRecoveryCodes(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorDisableHandler] failed to delete two-factor recovery codes for user \"uid:%d\"", uid)
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorDisableHandler] failed to delete two-factor recovery codes for user \"uid:%d\"", uid)
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
 	err = a.twoFactorAuthorizations.DeleteTwoFactorSetting(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorDisableHandler] failed to delete two-factor setting for user \"uid:%d\"", uid)
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorDisableHandler] failed to delete two-factor setting for user \"uid:%d\"", uid)
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[twofactor_authorizations.TwoFactorDisableHandler] user \"uid:%d\" has disabled two-factor authorization", uid)
+	log.Infof(c, "[twofactor_authorizations.TwoFactorDisableHandler] user \"uid:%d\" has disabled two-factor authorization", uid)
 
 	return true, nil
 }
 
 // TwoFactorRecoveryCodeRegenerateHandler returns new 2fa recovery codes and revokes old recovery codes for current user
-func (a *TwoFactorAuthorizationsApi) TwoFactorRecoveryCodeRegenerateHandler(c *core.Context) (any, *errs.Error) {
+func (a *TwoFactorAuthorizationsApi) TwoFactorRecoveryCodeRegenerateHandler(c *core.WebContext) (any, *errs.Error) {
 	var regenerateReq models.TwoFactorRegenerateRecoveryCodeRequest
 	err := c.ShouldBindJSON(&regenerateReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[twofactor_authorizations.TwoFactorRecoveryCodeRegenerateHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[twofactor_authorizations.TwoFactorRecoveryCodeRegenerateHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -278,7 +278,7 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorRecoveryCodeRegenerateHandler(c *c
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.WarnfWithRequestId(c, "[twofactor_authorizations.TwoFactorRecoveryCodeRegenerateHandler] failed to get user for user \"uid:%d\", because %s", uid, err.Error())
+			log.Warnf(c, "[twofactor_authorizations.TwoFactorRecoveryCodeRegenerateHandler] failed to get user for user \"uid:%d\", because %s", uid, err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
@@ -291,7 +291,7 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorRecoveryCodeRegenerateHandler(c *c
 	enableTwoFactor, err := a.twoFactorAuthorizations.ExistsTwoFactorSetting(c, uid)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorRecoveryCodeRegenerateHandler] failed to check two-factor setting, because %s", err.Error())
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorRecoveryCodeRegenerateHandler] failed to check two-factor setting, because %s", err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -302,14 +302,14 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorRecoveryCodeRegenerateHandler(c *c
 	recoveryCodes, err := a.twoFactorAuthorizations.GenerateTwoFactorRecoveryCodes()
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorRecoveryCodeRegenerateHandler] failed to generate two-factor recovery codes for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorRecoveryCodeRegenerateHandler] failed to generate two-factor recovery codes for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
 	err = a.twoFactorAuthorizations.CreateTwoFactorRecoveryCodes(c, uid, recoveryCodes, user.Salt)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[twofactor_authorizations.TwoFactorRecoveryCodeRegenerateHandler] failed to create two-factor recovery codes for user \"uid:%d\", because %s", uid, err.Error())
+		log.Errorf(c, "[twofactor_authorizations.TwoFactorRecoveryCodeRegenerateHandler] failed to create two-factor recovery codes for user \"uid:%d\", because %s", uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -317,7 +317,7 @@ func (a *TwoFactorAuthorizationsApi) TwoFactorRecoveryCodeRegenerateHandler(c *c
 		RecoveryCodes: recoveryCodes,
 	}
 
-	log.InfofWithRequestId(c, "[twofactor_authorizations.TwoFactorRecoveryCodeRegenerateHandler] user \"uid:%d\" has regenerated two-factor recovery codes", uid)
+	log.Infof(c, "[twofactor_authorizations.TwoFactorRecoveryCodeRegenerateHandler] user \"uid:%d\" has regenerated two-factor recovery codes", uid)
 
 	return recoveryCodesResp, nil
 }

pkg/api/users.go

@@ -1,13 +1,12 @@
 package api
 
 import (
-	"io"
-	"os"
 	"strings"
 	"time"
 
 	"github.com/gin-gonic/gin/binding"
 
+	"github.com/mayswind/ezbookkeeping/pkg/avatars"
 	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/locales"
@@ -15,13 +14,14 @@ import (
 	"github.com/mayswind/ezbookkeeping/pkg/models"
 	"github.com/mayswind/ezbookkeeping/pkg/services"
 	"github.com/mayswind/ezbookkeeping/pkg/settings"
-	"github.com/mayswind/ezbookkeeping/pkg/storage"
 	"github.com/mayswind/ezbookkeeping/pkg/utils"
 	"github.com/mayswind/ezbookkeeping/pkg/validators"
 )
 
 // UsersApi represents user api
 type UsersApi struct {
+	ApiUsingConfig
+	ApiWithUserInfo
 	users    *services.UserService
 	tokens   *services.TokenService
 	accounts *services.AccountService
@@ -30,6 +30,17 @@ type UsersApi struct {
 // Initialize a user api singleton instance
 var (
 	Users = &UsersApi{
+		ApiUsingConfig: ApiUsingConfig{
+			container: settings.Container,
+		},
+		ApiWithUserInfo: ApiWithUserInfo{
+			ApiUsingConfig: ApiUsingConfig{
+				container: settings.Container,
+			},
+			ApiUsingAvatarProvider: ApiUsingAvatarProvider{
+				container: avatars.Container,
+			},
+		},
 		users:    services.Users,
 		tokens:   services.Tokens,
 		accounts: services.Accounts,
@@ -37,8 +48,8 @@ var (
 )
 
 // UserRegisterHandler saves a new user by request parameters
-func (a *UsersApi) UserRegisterHandler(c *core.Context) (any, *errs.Error) {
-	if !settings.Container.Current.EnableUserRegister {
+func (a *UsersApi) UserRegisterHandler(c *core.WebContext) (any, *errs.Error) {
+	if !a.CurrentConfig().EnableUserRegister {
 		return nil, errs.ErrUserRegistrationNotAllowed
 	}
 
@@ -46,12 +57,12 @@ func (a *UsersApi) UserRegisterHandler(c *core.Context) (any, *errs.Error) {
 	err := c.ShouldBindBodyWith(&userRegisterReq, binding.JSON)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[users.UserRegisterHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[users.UserRegisterHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
 	if userRegisterReq.DefaultCurrency == validators.ParentAccountCurrencyPlaceholder {
-		log.WarnfWithRequestId(c, "[users.UserRegisterHandler] user default currency is invalid")
+		log.Warnf(c, "[users.UserRegisterHandler] user default currency is invalid")
 		return nil, errs.ErrUserDefaultCurrencyIsInvalid
 	}
 
@@ -73,11 +84,11 @@ func (a *UsersApi) UserRegisterHandler(c *core.Context) (any, *errs.Error) {
 	err = a.users.CreateUser(c, user)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserRegisterHandler] failed to create user \"%s\", because %s", user.Username, err.Error())
+		log.Errorf(c, "[users.UserRegisterHandler] failed to create user \"%s\", because %s", user.Username, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	log.InfofWithRequestId(c, "[users.UserRegisterHandler] user \"%s\" has registered successfully, uid is %d", user.Username, user.Uid)
+	log.Infof(c, "[users.UserRegisterHandler] user \"%s\" has registered successfully, uid is %d", user.Username, user.Uid)
 
 	presetCategoriesSaved := false
 
@@ -92,37 +103,37 @@ func (a *UsersApi) UserRegisterHandler(c *core.Context) (any, *errs.Error) {
 	authResp := &models.RegisterResponse{
 		AuthResponse: models.AuthResponse{
 			Need2FA:             false,
-			User:                user.ToUserBasicInfo(),
-			NotificationContent: settings.Container.GetAfterRegisterNotificationContent(user.Language, c.GetClientLocale()),
+			User:                a.GetUserBasicInfo(user),
+			NotificationContent: a.GetAfterRegisterNotificationContent(user.Language, c.GetClientLocale()),
 		},
-		NeedVerifyEmail:       settings.Container.Current.EnableUserVerifyEmail && settings.Container.Current.EnableUserForceVerifyEmail,
+		NeedVerifyEmail:       a.CurrentConfig().EnableUserVerifyEmail && a.CurrentConfig().EnableUserForceVerifyEmail,
 		PresetCategoriesSaved: presetCategoriesSaved,
 	}
 
-	if settings.Container.Current.EnableUserVerifyEmail && settings.Container.Current.EnableSMTP {
+	if a.CurrentConfig().EnableUserVerifyEmail && a.CurrentConfig().EnableSMTP {
 		token, _, err := a.tokens.CreateEmailVerifyToken(c, user)
 
 		if err != nil {
-			log.ErrorfWithRequestId(c, "[users.UserRegisterHandler] failed to create email verify token for user \"uid:%d\", because %s", user.Uid, err.Error())
+			log.Errorf(c, "[users.UserRegisterHandler] failed to create email verify token for user \"uid:%d\", because %s", user.Uid, err.Error())
 		} else {
 			go func() {
 				err = a.users.SendVerifyEmail(user, token, c.GetClientLocale())
 
 				if err != nil {
-					log.WarnfWithRequestId(c, "[users.UserRegisterHandler] cannot send verify email to \"%s\", because %s", user.Email, err.Error())
+					log.Warnf(c, "[users.UserRegisterHandler] cannot send verify email to \"%s\", because %s", user.Email, err.Error())
 				}
 			}()
 		}
 	}
 
-	if settings.Container.Current.EnableUserForceVerifyEmail {
+	if a.CurrentConfig().EnableUserForceVerifyEmail {
 		return authResp, nil
 	}
 
 	token, claims, err := a.tokens.CreateToken(c, user)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[users.UserRegisterHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Warnf(c, "[users.UserRegisterHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return authResp, nil
 	}
 
@@ -130,13 +141,13 @@ func (a *UsersApi) UserRegisterHandler(c *core.Context) (any, *errs.Error) {
 	c.SetTextualToken(token)
 	c.SetTokenClaims(claims)
 
-	log.InfofWithRequestId(c, "[users.UserRegisterHandler] user \"uid:%d\" has logined, token will be expired at %d", user.Uid, claims.ExpiresAt)
+	log.Infof(c, "[users.UserRegisterHandler] user \"uid:%d\" has logined, token will be expired at %d", user.Uid, claims.ExpiresAt)
 
 	return authResp, nil
 }
 
 // UserEmailVerifyHandler sets user email address verified
-func (a *UsersApi) UserEmailVerifyHandler(c *core.Context) (any, *errs.Error) {
+func (a *UsersApi) UserEmailVerifyHandler(c *core.WebContext) (any, *errs.Error) {
 	var userVerifyEmailReq models.UserVerifyEmailRequest
 	err := c.ShouldBindJSON(&userVerifyEmailReq)
 
@@ -145,35 +156,35 @@ func (a *UsersApi) UserEmailVerifyHandler(c *core.Context) (any, *errs.Error) {
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[users.UserEmailVerifyHandler] failed to get user, because %s", err.Error())
+			log.Errorf(c, "[users.UserEmailVerifyHandler] failed to get user, because %s", err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
 	}
 
 	if user.Disabled {
-		log.WarnfWithRequestId(c, "[users.UserEmailVerifyHandler] user \"uid:%d\" is disabled", user.Uid)
+		log.Warnf(c, "[users.UserEmailVerifyHandler] user \"uid:%d\" is disabled", user.Uid)
 		return nil, errs.ErrUserIsDisabled
 	}
 
 	if user.EmailVerified {
-		log.WarnfWithRequestId(c, "[users.UserEmailVerifyHandler] user \"uid:%d\" email has been verified", user.Uid)
+		log.Warnf(c, "[users.UserEmailVerifyHandler] user \"uid:%d\" email has been verified", user.Uid)
 		return nil, errs.ErrEmailIsVerified
 	}
 
 	err = a.users.SetUserEmailVerified(c, user.Username)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserEmailVerifyHandler] failed to update user \"uid:%d\" email address verified, because %s", user.Uid, err.Error())
+		log.Errorf(c, "[users.UserEmailVerifyHandler] failed to update user \"uid:%d\" email address verified, because %s", user.Uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
 	err = a.tokens.DeleteTokensByType(c, uid, core.USER_TOKEN_TYPE_EMAIL_VERIFY)
 
 	if err == nil {
-		log.InfofWithRequestId(c, "[users.UserEmailVerifyHandler] revoke old email verify tokens for user \"uid:%d\"", user.Uid)
+		log.Infof(c, "[users.UserEmailVerifyHandler] revoke old email verify tokens for user \"uid:%d\"", user.Uid)
 	} else {
-		log.WarnfWithRequestId(c, "[users.UserEmailVerifyHandler] failed to revoke old email verify tokens for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Warnf(c, "[users.UserEmailVerifyHandler] failed to revoke old email verify tokens for user \"uid:%d\", because %s", user.Uid, err.Error())
 	}
 
 	resp := &models.UserVerifyEmailResponse{}
@@ -182,47 +193,47 @@ func (a *UsersApi) UserEmailVerifyHandler(c *core.Context) (any, *errs.Error) {
 		token, claims, err := a.tokens.CreateToken(c, user)
 
 		if err != nil {
-			log.WarnfWithRequestId(c, "[users.UserEmailVerifyHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+			log.Warnf(c, "[users.UserEmailVerifyHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 			return resp, nil
 		}
 
 		resp.NewToken = token
-		resp.User = user.ToUserBasicInfo()
-		resp.NotificationContent = settings.Container.GetAfterLoginNotificationContent(user.Language, c.GetClientLocale())
+		resp.User = a.GetUserBasicInfo(user)
+		resp.NotificationContent = a.GetAfterLoginNotificationContent(user.Language, c.GetClientLocale())
 
 		c.SetTextualToken(token)
 		c.SetTokenClaims(claims)
 
-		log.InfofWithRequestId(c, "[users.UserEmailVerifyHandler] user \"uid:%d\" token created, new token will be expired at %d", user.Uid, claims.ExpiresAt)
+		log.Infof(c, "[users.UserEmailVerifyHandler] user \"uid:%d\" token created, new token will be expired at %d", user.Uid, claims.ExpiresAt)
 	}
 
 	return resp, nil
 }
 
 // UserProfileHandler returns user profile of current user
-func (a *UsersApi) UserProfileHandler(c *core.Context) (any, *errs.Error) {
+func (a *UsersApi) UserProfileHandler(c *core.WebContext) (any, *errs.Error) {
 	uid := c.GetCurrentUid()
 	user, err := a.users.GetUserById(c, uid)
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[users.UserRegisterHandler] failed to get user, because %s", err.Error())
+			log.Errorf(c, "[users.UserRegisterHandler] failed to get user, because %s", err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
 	}
 
-	userResp := user.ToUserProfileResponse()
+	userResp := a.getUserProfileResponse(user)
 	return userResp, nil
 }
 
 // UserUpdateProfileHandler saves user profile by request parameters for current user
-func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error) {
+func (a *UsersApi) UserUpdateProfileHandler(c *core.WebContext) (any, *errs.Error) {
 	var userUpdateReq models.UserProfileUpdateRequest
 	err := c.ShouldBindJSON(&userUpdateReq)
 
 	if err != nil {
-		log.WarnfWithRequestId(c, "[users.UserUpdateProfileHandler] parse request failed, because %s", err.Error())
+		log.Warnf(c, "[users.UserUpdateProfileHandler] parse request failed, because %s", err.Error())
 		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
 	}
 
@@ -231,7 +242,7 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[users.UserUpdateProfileHandler] failed to get user, because %s", err.Error())
+			log.Errorf(c, "[users.UserUpdateProfileHandler] failed to get user, because %s", err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
@@ -277,12 +288,12 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 		}
 
 		if _, exists := accountMap[userUpdateReq.DefaultAccountId]; !exists {
-			log.WarnfWithRequestId(c, "[users.UserUpdateProfileHandler] account \"id:%d\" does not exist for user \"uid:%d\"", userUpdateReq.DefaultAccountId, uid)
+			log.Warnf(c, "[users.UserUpdateProfileHandler] account \"id:%d\" does not exist for user \"uid:%d\"", userUpdateReq.DefaultAccountId, uid)
 			return nil, errs.ErrUserDefaultAccountIsInvalid
 		}
 
 		if accountMap[userUpdateReq.DefaultAccountId].Hidden {
-			log.WarnfWithRequestId(c, "[users.UserUpdateProfileHandler] account \"id:%d\" is hidden of user \"uid:%d\"", userUpdateReq.DefaultAccountId, uid)
+			log.Warnf(c, "[users.UserUpdateProfileHandler] account \"id:%d\" is hidden of user \"uid:%d\"", userUpdateReq.DefaultAccountId, uid)
 			return nil, errs.ErrUserDefaultAccountIsHidden
 		}
 
@@ -319,7 +330,7 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 		userNew.FirstDayOfWeek = *userUpdateReq.FirstDayOfWeek
 		anythingUpdate = true
 	} else {
-		userNew.FirstDayOfWeek = models.WEEKDAY_INVALID
+		userNew.FirstDayOfWeek = core.WEEKDAY_INVALID
 	}
 
 	if userUpdateReq.LongDateFormat != nil && *userUpdateReq.LongDateFormat != user.LongDateFormat {
@@ -327,7 +338,7 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 		userNew.LongDateFormat = *userUpdateReq.LongDateFormat
 		anythingUpdate = true
 	} else {
-		userNew.LongDateFormat = models.LONG_DATE_FORMAT_INVALID
+		userNew.LongDateFormat = core.LONG_DATE_FORMAT_INVALID
 	}
 
 	if userUpdateReq.ShortDateFormat != nil && *userUpdateReq.ShortDateFormat != user.ShortDateFormat {
@@ -335,7 +346,7 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 		userNew.ShortDateFormat = *userUpdateReq.ShortDateFormat
 		anythingUpdate = true
 	} else {
-		userNew.ShortDateFormat = models.SHORT_DATE_FORMAT_INVALID
+		userNew.ShortDateFormat = core.SHORT_DATE_FORMAT_INVALID
 	}
 
 	if userUpdateReq.LongTimeFormat != nil && *userUpdateReq.LongTimeFormat != user.LongTimeFormat {
@@ -343,7 +354,7 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 		userNew.LongTimeFormat = *userUpdateReq.LongTimeFormat
 		anythingUpdate = true
 	} else {
-		userNew.LongTimeFormat = models.LONG_TIME_FORMAT_INVALID
+		userNew.LongTimeFormat = core.LONG_TIME_FORMAT_INVALID
 	}
 
 	if userUpdateReq.ShortTimeFormat != nil && *userUpdateReq.ShortTimeFormat != user.ShortTimeFormat {
@@ -351,7 +362,7 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 		userNew.ShortTimeFormat = *userUpdateReq.ShortTimeFormat
 		anythingUpdate = true
 	} else {
-		userNew.ShortTimeFormat = models.SHORT_TIME_FORMAT_INVALID
+		userNew.ShortTimeFormat = core.SHORT_TIME_FORMAT_INVALID
 	}
 
 	if userUpdateReq.DecimalSeparator != nil && *userUpdateReq.DecimalSeparator != user.DecimalSeparator {
@@ -383,7 +394,7 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 		userNew.CurrencyDisplayType = *userUpdateReq.CurrencyDisplayType
 		anythingUpdate = true
 	} else {
-		userNew.CurrencyDisplayType = models.CURRENCY_DISPLAY_TYPE_INVALID
+		userNew.CurrencyDisplayType = core.CURRENCY_DISPLAY_TYPE_INVALID
 	}
 
 	if userUpdateReq.ExpenseAmountColor != nil && *userUpdateReq.ExpenseAmountColor != user.ExpenseAmountColor {
@@ -436,7 +447,7 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 	keyProfileUpdated, emailSetToUnverified, err := a.users.UpdateUser(c, userNew, modifyUserLanguage)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserUpdateProfileHandler] failed to update user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[users.UserUpdateProfileHandler] failed to update user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
@@ -444,28 +455,28 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 		user.EmailVerified = false
 	}
 
-	log.InfofWithRequestId(c, "[users.UserUpdateProfileHandler] user \"uid:%d\" has updated successfully", user.Uid)
+	log.Infof(c, "[users.UserUpdateProfileHandler] user \"uid:%d\" has updated successfully", user.Uid)
 
 	resp := &models.UserProfileUpdateResponse{
-		User: user.ToUserBasicInfo(),
+		User: a.GetUserBasicInfo(user),
 	}
 
-	if emailSetToUnverified && settings.Container.Current.EnableUserVerifyEmail && settings.Container.Current.EnableSMTP {
+	if emailSetToUnverified && a.CurrentConfig().EnableUserVerifyEmail && a.CurrentConfig().EnableSMTP {
 		err = a.tokens.DeleteTokensByType(c, uid, core.USER_TOKEN_TYPE_EMAIL_VERIFY)
 
 		if err != nil {
-			log.ErrorfWithRequestId(c, "[users.UserUpdateProfileHandler] failed to revoke old email verify tokens for user \"uid:%d\", because %s", user.Uid, err.Error())
+			log.Errorf(c, "[users.UserUpdateProfileHandler] failed to revoke old email verify tokens for user \"uid:%d\", because %s", user.Uid, err.Error())
 		} else {
 			token, _, err := a.tokens.CreateEmailVerifyToken(c, user)
 
 			if err != nil {
-				log.ErrorfWithRequestId(c, "[users.UserUpdateProfileHandler] failed to create email verify token for user \"uid:%d\", because %s", user.Uid, err.Error())
+				log.Errorf(c, "[users.UserUpdateProfileHandler] failed to create email verify token for user \"uid:%d\", because %s", user.Uid, err.Error())
 			} else {
 				go func() {
 					err = a.users.SendVerifyEmail(user, token, c.GetClientLocale())
 
 					if err != nil {
-						log.WarnfWithRequestId(c, "[users.UserUpdateProfileHandler] cannot send verify email to \"%s\", because %s", user.Email, err.Error())
+						log.Warnf(c, "[users.UserUpdateProfileHandler] cannot send verify email to \"%s\", because %s", user.Email, err.Error())
 					}
 				}()
 			}
@@ -477,15 +488,15 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 		err = a.tokens.DeleteTokensBeforeTime(c, uid, now)
 
 		if err == nil {
-			log.InfofWithRequestId(c, "[users.UserUpdateProfileHandler] revoke old tokens before unix time \"%d\" for user \"uid:%d\"", now, user.Uid)
+			log.Infof(c, "[users.UserUpdateProfileHandler] revoke old tokens before unix time \"%d\" for user \"uid:%d\"", now, user.Uid)
 		} else {
-			log.WarnfWithRequestId(c, "[users.UserUpdateProfileHandler] failed to revoke old tokens for user \"uid:%d\", because %s", user.Uid, err.Error())
+			log.Warnf(c, "[users.UserUpdateProfileHandler] failed to revoke old tokens for user \"uid:%d\", because %s", user.Uid, err.Error())
 		}
 
 		token, claims, err := a.tokens.CreateToken(c, user)
 
 		if err != nil {
-			log.WarnfWithRequestId(c, "[users.UserUpdateProfileHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+			log.Warnf(c, "[users.UserUpdateProfileHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 			return resp, nil
 		}
 
@@ -493,7 +504,7 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 		c.SetTextualToken(token)
 		c.SetTokenClaims(claims)
 
-		log.InfofWithRequestId(c, "[users.UserUpdateProfileHandler] user \"uid:%d\" token refreshed, new token will be expired at %d", user.Uid, claims.ExpiresAt)
+		log.Infof(c, "[users.UserUpdateProfileHandler] user \"uid:%d\" token refreshed, new token will be expired at %d", user.Uid, claims.ExpiresAt)
 
 		return resp, nil
 	}
@@ -502,13 +513,13 @@ func (a *UsersApi) UserUpdateProfileHandler(c *core.Context) (any, *errs.Error)
 }
 
 // UserUpdateAvatarHandler saves user avatar by request parameters for current user
-func (a *UsersApi) UserUpdateAvatarHandler(c *core.Context) (any, *errs.Error) {
+func (a *UsersApi) UserUpdateAvatarHandler(c *core.WebContext) (any, *errs.Error) {
 	uid := c.GetCurrentUid()
 	user, err := a.users.GetUserById(c, uid)
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[users.UserUpdateAvatarHandler] failed to get user, because %s", err.Error())
+			log.Errorf(c, "[users.UserUpdateAvatarHandler] failed to get user, because %s", err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
@@ -517,73 +528,61 @@ func (a *UsersApi) UserUpdateAvatarHandler(c *core.Context) (any, *errs.Error) {
 	form, err := c.MultipartForm()
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserUpdateAvatarHandler] failed to get multi-part form data for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[users.UserUpdateAvatarHandler] failed to get multi-part form data for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.ErrParameterInvalid
 	}
 
-	avatars := form.File["avatar"]
+	avatarFiles := form.File["avatar"]
 
-	if len(avatars) < 1 {
-		log.WarnfWithRequestId(c, "[users.UserUpdateAvatarHandler] there is no user avatar in request for user \"uid:%d\"", user.Uid)
+	if len(avatarFiles) < 1 {
+		log.Warnf(c, "[users.UserUpdateAvatarHandler] there is no user avatar in request for user \"uid:%d\"", user.Uid)
 		return nil, errs.ErrNoUserAvatar
 	}
 
-	if avatars[0].Size < 1 {
-		log.WarnfWithRequestId(c, "[users.UserUpdateAvatarHandler] the size of user avatar in request is zero for user \"uid:%d\"", user.Uid)
+	if avatarFiles[0].Size < 1 {
+		log.Warnf(c, "[users.UserUpdateAvatarHandler] the size of user avatar in request is zero for user \"uid:%d\"", user.Uid)
 		return nil, errs.ErrUserAvatarIsEmpty
 	}
 
-	fileExtension := utils.GetFileNameExtension(avatars[0].Filename)
+	if avatarFiles[0].Size > int64(a.CurrentConfig().MaxAvatarFileSize) {
+		log.Warnf(c, "[users.UserUpdateAvatarHandler] the upload file size \"%d\" exceeds the maximum size \"%d\" of user avatar for user \"uid:%d\"", avatarFiles[0].Size, a.CurrentConfig().MaxAvatarFileSize, uid)
+		return nil, errs.ErrExceedMaxUserAvatarFileSize
+	}
+
+	fileExtension := utils.GetFileNameExtension(avatarFiles[0].Filename)
 
 	if utils.GetImageContentType(fileExtension) == "" {
-		log.WarnfWithRequestId(c, "[users.UserUpdateAvatarHandler] the file extension \"%s\" of user avatar in request is not supported for user \"uid:%d\"", fileExtension, user.Uid)
+		log.Warnf(c, "[users.UserUpdateAvatarHandler] the file extension \"%s\" of user avatar in request is not supported for user \"uid:%d\"", fileExtension, user.Uid)
 		return nil, errs.ErrImageTypeNotSupported
 	}
 
-	avatarFile, err := avatars[0].Open()
+	avatarFile, err := avatarFiles[0].Open()
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserUpdateAvatarHandler] failed to get avatar file from request for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[users.UserUpdateAvatarHandler] failed to get avatar file from request for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.ErrOperationFailed
 	}
 
-	defer avatarFile.Close()
-
-	err = storage.Container.SaveAvatar(user.Uid, avatarFile, fileExtension)
+	err = a.users.UpdateUserAvatar(c, user.Uid, avatarFile, fileExtension, user.CustomAvatarType)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserUpdateAvatarHandler] failed to save avatar file for user \"uid:%d\", because %s", user.Uid, err.Error())
-		return nil, errs.ErrOperationFailed
-	}
-
-	err = a.users.UpdateUserAvatar(c, user.Uid, fileExtension)
-
-	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserUpdateAvatarHandler] failed to update user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[users.UserUpdateAvatarHandler] failed to update avatar for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	if fileExtension != user.CustomAvatarType {
-		err = storage.Container.DeleteAvatar(user.Uid, user.CustomAvatarType)
-
-		if err != nil {
-			log.WarnfWithRequestId(c, "[users.UserUpdateAvatarHandler] failed to delete old avatar with extension \"%s\" for user \"uid:%d\", because %s", user.CustomAvatarType, user.Uid, err.Error())
-		}
-	}
-
 	user.CustomAvatarType = fileExtension
-	userResp := user.ToUserProfileResponse()
+	userResp := a.getUserProfileResponse(user)
 	return userResp, nil
 }
 
 // UserRemoveAvatarHandler removes user avatar by request parameters for current user
-func (a *UsersApi) UserRemoveAvatarHandler(c *core.Context) (any, *errs.Error) {
+func (a *UsersApi) UserRemoveAvatarHandler(c *core.WebContext) (any, *errs.Error) {
 	uid := c.GetCurrentUid()
 	user, err := a.users.GetUserById(c, uid)
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[users.UserRemoveAvatarHandler] failed to get user, because %s", err.Error())
+			log.Errorf(c, "[users.UserRemoveAvatarHandler] failed to get user, because %s", err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
@@ -593,39 +592,21 @@ func (a *UsersApi) UserRemoveAvatarHandler(c *core.Context) (any, *errs.Error) {
 		return nil, errs.ErrNothingWillBeUpdated
 	}
 
-	err = storage.Container.DeleteAvatar(user.Uid, user.CustomAvatarType)
+	err = a.users.RemoveUserAvatar(c, user.Uid, user.CustomAvatarType)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserRemoveAvatarHandler] failed to delete avatar file for user \"uid:%d\", because %s", user.Uid, err.Error())
-
-		exists, err := storage.Container.ExistsAvatar(user.Uid, user.CustomAvatarType)
-
-		if err != nil {
-			log.ErrorfWithRequestId(c, "[users.UserRemoveAvatarHandler] failed to check whether avatar file exist for user \"uid:%d\", because %s", user.Uid, err.Error())
-			return nil, errs.ErrOperationFailed
-		}
-
-		if exists {
-			log.ErrorfWithRequestId(c, "[users.UserRemoveAvatarHandler] failed to delete whether avatar file exist for user \"uid:%d\", the avatar file still exist", user.Uid)
-			return nil, errs.ErrOperationFailed
-		}
-	}
-
-	err = a.users.UpdateUserAvatar(c, user.Uid, "")
-
-	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserRemoveAvatarHandler] failed to update user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[users.UserRemoveAvatarHandler] failed to remove avatar for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.Or(err, errs.ErrOperationFailed)
 	}
 
 	user.CustomAvatarType = ""
-	userResp := user.ToUserProfileResponse()
+	userResp := a.getUserProfileResponse(user)
 	return userResp, nil
 }
 
 // UserSendVerifyEmailByUnloginUserHandler sends unlogin user verify email
-func (a *UsersApi) UserSendVerifyEmailByUnloginUserHandler(c *core.Context) (any, *errs.Error) {
-	if !settings.Container.Current.EnableUserVerifyEmail {
+func (a *UsersApi) UserSendVerifyEmailByUnloginUserHandler(c *core.WebContext) (any, *errs.Error) {
+	if !a.CurrentConfig().EnableUserVerifyEmail {
 		return nil, errs.ErrEmailValidationNotAllowed
 	}
 
@@ -636,35 +617,35 @@ func (a *UsersApi) UserSendVerifyEmailByUnloginUserHandler(c *core.Context) (any
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[users.UserSendVerifyEmailByUnloginUserHandler] failed to get user, because %s", err.Error())
+			log.Errorf(c, "[users.UserSendVerifyEmailByUnloginUserHandler] failed to get user, because %s", err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
 	}
 
 	if !a.users.IsPasswordEqualsUserPassword(userResendVerifyEmailReq.Password, user) {
-		log.WarnfWithRequestId(c, "[users.UserSendVerifyEmailByUnloginUserHandler] request password not equals to the user password")
+		log.Warnf(c, "[users.UserSendVerifyEmailByUnloginUserHandler] request password not equals to the user password")
 		return nil, errs.ErrUserPasswordWrong
 	}
 
 	if user.Disabled {
-		log.WarnfWithRequestId(c, "[users.UserSendVerifyEmailByUnloginUserHandler] user \"uid:%d\" is disabled", user.Uid)
+		log.Warnf(c, "[users.UserSendVerifyEmailByUnloginUserHandler] user \"uid:%d\" is disabled", user.Uid)
 		return nil, errs.ErrUserIsDisabled
 	}
 
 	if user.EmailVerified {
-		log.WarnfWithRequestId(c, "[users.UserSendVerifyEmailByUnloginUserHandler] user \"uid:%d\" email has been verified", user.Uid)
+		log.Warnf(c, "[users.UserSendVerifyEmailByUnloginUserHandler] user \"uid:%d\" email has been verified", user.Uid)
 		return nil, errs.ErrEmailIsVerified
 	}
 
-	if !settings.Container.Current.EnableSMTP {
+	if !a.CurrentConfig().EnableSMTP {
 		return nil, errs.ErrSMTPServerNotEnabled
 	}
 
 	token, _, err := a.tokens.CreateEmailVerifyToken(c, user)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserSendVerifyEmailByUnloginUserHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[users.UserSendVerifyEmailByUnloginUserHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.ErrTokenGenerating
 	}
 
@@ -672,7 +653,7 @@ func (a *UsersApi) UserSendVerifyEmailByUnloginUserHandler(c *core.Context) (any
 		err = a.users.SendVerifyEmail(user, token, c.GetClientLocale())
 
 		if err != nil {
-			log.WarnfWithRequestId(c, "[users.UserSendVerifyEmailByUnloginUserHandler] cannot send email to \"%s\", because %s", user.Email, err.Error())
+			log.Warnf(c, "[users.UserSendVerifyEmailByUnloginUserHandler] cannot send email to \"%s\", because %s", user.Email, err.Error())
 		}
 	}()
 
@@ -680,8 +661,8 @@ func (a *UsersApi) UserSendVerifyEmailByUnloginUserHandler(c *core.Context) (any
 }
 
 // UserSendVerifyEmailByLoginedUserHandler sends logined user verify email
-func (a *UsersApi) UserSendVerifyEmailByLoginedUserHandler(c *core.Context) (any, *errs.Error) {
-	if !settings.Container.Current.EnableUserVerifyEmail {
+func (a *UsersApi) UserSendVerifyEmailByLoginedUserHandler(c *core.WebContext) (any, *errs.Error) {
+	if !a.CurrentConfig().EnableUserVerifyEmail {
 		return nil, errs.ErrEmailValidationNotAllowed
 	}
 
@@ -690,25 +671,25 @@ func (a *UsersApi) UserSendVerifyEmailByLoginedUserHandler(c *core.Context) (any
 
 	if err != nil {
 		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[users.UserSendVerifyEmailByLoginedUserHandler] failed to get user, because %s", err.Error())
+			log.Errorf(c, "[users.UserSendVerifyEmailByLoginedUserHandler] failed to get user, because %s", err.Error())
 		}
 
 		return nil, errs.ErrUserNotFound
 	}
 
 	if user.EmailVerified {
-		log.WarnfWithRequestId(c, "[users.UserSendVerifyEmailByLoginedUserHandler] user \"uid:%d\" email has been verified", user.Uid)
+		log.Warnf(c, "[users.UserSendVerifyEmailByLoginedUserHandler] user \"uid:%d\" email has been verified", user.Uid)
 		return nil, errs.ErrEmailIsVerified
 	}
 
-	if !settings.Container.Current.EnableSMTP {
+	if !a.CurrentConfig().EnableSMTP {
 		return nil, errs.ErrSMTPServerNotEnabled
 	}
 
 	token, _, err := a.tokens.CreateEmailVerifyToken(c, user)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserSendVerifyEmailByLoginedUserHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.Errorf(c, "[users.UserSendVerifyEmailByLoginedUserHandler] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return nil, errs.ErrTokenGenerating
 	}
 
@@ -716,7 +697,7 @@ func (a *UsersApi) UserSendVerifyEmailByLoginedUserHandler(c *core.Context) (any
 		err = a.users.SendVerifyEmail(user, token, c.GetClientLocale())
 
 		if err != nil {
-			log.WarnfWithRequestId(c, "[users.UserSendVerifyEmailByLoginedUserHandler] cannot send email to \"%s\", because %s", user.Email, err.Error())
+			log.Warnf(c, "[users.UserSendVerifyEmailByLoginedUserHandler] cannot send email to \"%s\", because %s", user.Email, err.Error())
 		}
 	}()
 
@@ -724,58 +705,36 @@ func (a *UsersApi) UserSendVerifyEmailByLoginedUserHandler(c *core.Context) (any
 }
 
 // UserGetAvatarHandler returns user avatar data for current user
-func (a *UsersApi) UserGetAvatarHandler(c *core.Context) ([]byte, string, *errs.Error) {
-	uid := c.GetCurrentUid()
-	user, err := a.users.GetUserById(c, uid)
-
-	if err != nil {
-		if !errs.IsCustomError(err) {
-			log.ErrorfWithRequestId(c, "[users.UserGetAvatarHandler] failed to get user, because %s", err.Error())
-		}
-
-		return nil, "", errs.ErrUserNotFound
-	}
-
-	if user.CustomAvatarType == "" {
-		log.WarnfWithRequestId(c, "[users.UserGetAvatarHandler] user does not have avatar for user \"uid:%d\"", user.Uid)
-		return nil, "", errs.ErrUserAvatarNoExists
-	}
-
+func (a *UsersApi) UserGetAvatarHandler(c *core.WebContext) ([]byte, string, *errs.Error) {
 	fileName := c.Param("fileName")
+	fileExtension := utils.GetFileNameExtension(fileName)
+	contentType := utils.GetImageContentType(fileExtension)
+
+	if contentType == "" {
+		return nil, "", errs.ErrImageTypeNotSupported
+	}
+
+	uid := c.GetCurrentUid()
 	fileBaseName := utils.GetFileNameWithoutExtension(fileName)
 
-	if utils.Int64ToString(user.Uid) != fileBaseName {
-		log.WarnfWithRequestId(c, "[users.UserGetAvatarHandler] cannot get other user avatar \"uid:%s\" for user \"uid:%d\"", fileBaseName, user.Uid)
+	if utils.Int64ToString(uid) != fileBaseName {
+		log.Warnf(c, "[users.UserGetAvatarHandler] cannot get other user avatar \"uid:%s\" for user \"uid:%d\"", fileBaseName, uid)
 		return nil, "", errs.ErrUserIdInvalid
 	}
 
-	fileExtension := utils.GetFileNameExtension(fileName)
-
-	if user.CustomAvatarType != fileExtension {
-		log.WarnfWithRequestId(c, "[users.UserGetAvatarHandler] user avatar extension is invalid \"%s\" for user \"uid:%d\"", fileExtension, user.Uid)
-		return nil, "", errs.ErrUserAvatarNoExists
-	}
-
-	avatarFile, err := storage.Container.ReadAvatar(user.Uid, fileExtension)
-
-	if os.IsNotExist(err) {
-		log.WarnfWithRequestId(c, "[users.UserGetAvatarHandler] user avatar file not exist for user \"uid:%d\", because %s", user.Uid, err.Error())
-		return nil, "", errs.ErrUserAvatarNoExists
-	}
+	avatarData, err := a.users.GetUserAvatar(c, uid, fileExtension)
 
 	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserGetAvatarHandler] failed to get user avatar object for user \"uid:%d\", because %s", user.Uid, err.Error())
-		return nil, "", errs.ErrOperationFailed
+		if !errs.IsCustomError(err) {
+			log.Errorf(c, "[users.UserGetAvatarHandler] failed to get user avatar, because %s", err.Error())
 		}
 
-	defer avatarFile.Close()
-
-	avatarData, err := io.ReadAll(avatarFile)
-
-	if err != nil {
-		log.ErrorfWithRequestId(c, "[users.UserGetAvatarHandler] failed to read user avatar object data for user \"uid:%d\", because %s", user.Uid, err.Error())
-		return nil, "", errs.ErrOperationFailed
+		return nil, "", errs.Or(err, errs.ErrOperationFailed)
 	}
 
-	return avatarData, utils.GetImageContentType(fileExtension), nil
+	return avatarData, contentType, nil
+}
+
+func (a *UsersApi) getUserProfileResponse(user *models.User) *models.UserProfileResponse {
+	return user.ToUserProfileResponse(a.GetUserBasicInfo(user))
 }

pkg/avatars/avatar_provider.go

@@ -0,0 +1,8 @@
+package avatars
+
+import "github.com/mayswind/ezbookkeeping/pkg/models"
+
+// AvatarProvider is user avatar provider interface
+type AvatarProvider interface {
+	GetAvatarUrl(user *models.User) string
+}

pkg/avatars/avatar_provider_container.go

@@ -0,0 +1,39 @@
+package avatars
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/settings"
+)
+
+// AvatarProviderContainer contains the current user avatar provider
+type AvatarProviderContainer struct {
+	Current AvatarProvider
+}
+
+// Initialize a user avatar provider container singleton instance
+var (
+	Container = &AvatarProviderContainer{}
+)
+
+// InitializeAvatarProvider initializes the current user avatar provider according to the config
+func InitializeAvatarProvider(config *settings.Config) error {
+	if config.AvatarProvider == core.USER_AVATAR_PROVIDER_INTERNAL {
+		Container.Current = NewInternalStorageAvatarProvider(config)
+		return nil
+	} else if config.AvatarProvider == core.USER_AVATAR_PROVIDER_GRAVATAR {
+		Container.Current = NewGravatarAvatarProvider()
+		return nil
+	} else if config.AvatarProvider == "" {
+		Container.Current = NewNullAvatarProvider()
+		return nil
+	}
+
+	return errs.ErrInvalidAvatarProvider
+}
+
+// GetAvatarUrl returns the avatar url by the current user avatar provider
+func (p *AvatarProviderContainer) GetAvatarUrl(user *models.User) string {
+	return p.Current.GetAvatarUrl(user)
+}

pkg/avatars/gravatar_provider.go

@@ -0,0 +1,31 @@
+package avatars
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+// Reference: https://en.gravatar.com/site/implement/hash/
+const gravatarUrlFormat = "https://www.gravatar.com/avatar/%s"
+
+// GravatarAvatarProvider represents the gravatar avatar provider
+type GravatarAvatarProvider struct {
+}
+
+// NewGravatarAvatarProvider returns a new gravatar avatar provider
+func NewGravatarAvatarProvider() *GravatarAvatarProvider {
+	return &GravatarAvatarProvider{}
+}
+
+// GetAvatarUrl returns the gravatar url
+func (p *GravatarAvatarProvider) GetAvatarUrl(user *models.User) string {
+	email := user.Email
+	email = strings.TrimSpace(email)
+	email = strings.ToLower(email)
+	emailMd5 := utils.MD5EncodeToString([]byte(email))
+
+	return fmt.Sprintf(gravatarUrlFormat, emailMd5)
+}

pkg/avatars/gravatar_provider_test.go

@@ -0,0 +1,20 @@
+package avatars
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+func TestGravatarAvatarProvider_GetGravatarUrl(t *testing.T) {
+	avatarProvider := NewGravatarAvatarProvider()
+
+	expectedValue := "https://www.gravatar.com/avatar/0bc83cb571cd1c50ba6f3e8a78ef1346"
+	actualValue := avatarProvider.GetAvatarUrl(&models.User{
+		Email: "MyEmailAddress@example.com",
+	})
+
+	assert.Equal(t, expectedValue, actualValue)
+}

pkg/avatars/internal_storage_provider.go

@@ -0,0 +1,31 @@
+package avatars
+
+import (
+	"fmt"
+
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/settings"
+)
+
+const internalAvatarUrlFormat = "%savatar/%d.%s"
+
+// InternalStorageAvatarProvider represents the internal storage avatar provider
+type InternalStorageAvatarProvider struct {
+	webRootUrl string
+}
+
+// NewInternalStorageAvatarProvider returns a new internal storage avatar provider
+func NewInternalStorageAvatarProvider(config *settings.Config) *InternalStorageAvatarProvider {
+	return &InternalStorageAvatarProvider{
+		webRootUrl: config.RootUrl,
+	}
+}
+
+// GetAvatarUrl returns the built-in avatar url
+func (p *InternalStorageAvatarProvider) GetAvatarUrl(user *models.User) string {
+	if user.CustomAvatarType == "" {
+		return ""
+	}
+
+	return fmt.Sprintf(internalAvatarUrlFormat, p.webRootUrl, user.Uid, user.CustomAvatarType)
+}

pkg/avatars/internal_storage_provider_test.go

@@ -0,0 +1,38 @@
+package avatars
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/settings"
+)
+
+func TestInternalStorageAvatarProvider_GetAvatarUrl(t *testing.T) {
+	avatarProvider := NewInternalStorageAvatarProvider(&settings.Config{
+		RootUrl: "https://foo.bar/",
+	})
+
+	expectedValue := "https://foo.bar/avatar/1234567890.jpg"
+	actualValue := avatarProvider.GetAvatarUrl(&models.User{
+		Uid:              1234567890,
+		CustomAvatarType: "jpg",
+	})
+
+	assert.Equal(t, expectedValue, actualValue)
+}
+
+func TestInternalStorageAvatarProvider_GetAvatarUrl_EmptyCustomAvatarType(t *testing.T) {
+	avatarProvider := NewInternalStorageAvatarProvider(&settings.Config{
+		RootUrl: "https://foo.bar/",
+	})
+
+	expectedValue := ""
+	actualValue := avatarProvider.GetAvatarUrl(&models.User{
+		Uid:              1234567890,
+		CustomAvatarType: "",
+	})
+
+	assert.Equal(t, expectedValue, actualValue)
+}

pkg/avatars/null_avatar_provider.go

@@ -0,0 +1,19 @@
+package avatars
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+// NullAvatarProvider represents the null avatar provider
+type NullAvatarProvider struct {
+}
+
+// NewNullAvatarProvider returns a new null avatar provider
+func NewNullAvatarProvider() *NullAvatarProvider {
+	return &NullAvatarProvider{}
+}
+
+// GetAvatarUrl returns an empty url
+func (p *NullAvatarProvider) GetAvatarUrl(user *models.User) string {
+	return ""
+}

pkg/avatars/null_avatar_provider_test.go

@@ -0,0 +1,20 @@
+package avatars
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+func TestNullAvatarProvider_GetGravatarUrl(t *testing.T) {
+	avatarProvider := NewNullAvatarProvider()
+
+	expectedValue := ""
+	actualValue := avatarProvider.GetAvatarUrl(&models.User{
+		Email: "MyEmailAddress@example.com",
+	})
+
+	assert.Equal(t, expectedValue, actualValue)
+}

pkg/cli/base.go

@@ -0,0 +1,13 @@
+package cli
+
+import "github.com/mayswind/ezbookkeeping/pkg/settings"
+
+// CliUsingConfig represents a cli that need to use config
+type CliUsingConfig struct {
+	container *settings.ConfigContainer
+}
+
+// CurrentConfig returns the current config
+func (l *CliUsingConfig) CurrentConfig() *settings.Config {
+	return l.container.Current
+}

pkg/cli/user_data.go

@@ -1,16 +1,17 @@
 package cli
 
 import (
+	"strings"
 	"time"
 
-	"github.com/urfave/cli/v2"
-
 	"github.com/mayswind/ezbookkeeping/pkg/converters"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
 	"github.com/mayswind/ezbookkeeping/pkg/errs"
 	"github.com/mayswind/ezbookkeeping/pkg/log"
 	"github.com/mayswind/ezbookkeeping/pkg/models"
 	"github.com/mayswind/ezbookkeeping/pkg/services"
 	"github.com/mayswind/ezbookkeeping/pkg/settings"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
 	"github.com/mayswind/ezbookkeeping/pkg/validators"
 )
 
@@ -19,8 +20,7 @@ const pageCountForDataExport = 1000
 
 // UserDataCli represents user data cli
 type UserDataCli struct {
-	ezBookKeepingCsvExporter *converters.EzBookKeepingCSVFileExporter
-	ezBookKeepingTsvExporter *converters.EzBookKeepingTSVFileExporter
+	CliUsingConfig
 	accounts                *services.AccountService
 	transactions            *services.TransactionService
 	categories              *services.TransactionCategoryService
@@ -31,11 +31,12 @@ type UserDataCli struct {
 	forgetPasswords         *services.ForgetPasswordService
 }
 
-// Initialize an user data cli singleton instance
+// Initialize a user data cli singleton instance
 var (
 	UserData = &UserDataCli{
-		ezBookKeepingCsvExporter: &converters.EzBookKeepingCSVFileExporter{},
-		ezBookKeepingTsvExporter: &converters.EzBookKeepingTSVFileExporter{},
+		CliUsingConfig: CliUsingConfig{
+			container: settings.Container,
+		},
 		accounts:                services.Accounts,
 		transactions:            services.Transactions,
 		categories:              services.TransactionCategories,
@@ -48,34 +49,34 @@ var (
 )
 
 // AddNewUser adds a new user according to specified info
-func (l *UserDataCli) AddNewUser(c *cli.Context, username string, email string, nickname string, password string, defaultCurrency string) (*models.User, error) {
+func (l *UserDataCli) AddNewUser(c *core.CliContext, username string, email string, nickname string, password string, defaultCurrency string) (*models.User, error) {
 	if username == "" {
-		log.BootErrorf("[user_data.AddNewUser] user name is empty")
+		log.CliErrorf(c, "[user_data.AddNewUser] user name is empty")
 		return nil, errs.ErrUsernameIsEmpty
 	}
 
 	if email == "" {
-		log.BootErrorf("[user_data.AddNewUser] user email is empty")
+		log.CliErrorf(c, "[user_data.AddNewUser] user email is empty")
 		return nil, errs.ErrEmailIsEmpty
 	}
 
 	if nickname == "" {
-		log.BootErrorf("[user_data.AddNewUser] user nickname is empty")
+		log.CliErrorf(c, "[user_data.AddNewUser] user nickname is empty")
 		return nil, errs.ErrNicknameIsEmpty
 	}
 
 	if password == "" {
-		log.BootErrorf("[user_data.AddNewUser] user password is empty")
+		log.CliErrorf(c, "[user_data.AddNewUser] user password is empty")
 		return nil, errs.ErrPasswordIsEmpty
 	}
 
 	if defaultCurrency == "" {
-		log.BootErrorf("[user_data.AddNewUser] user default currency is empty")
+		log.CliErrorf(c, "[user_data.AddNewUser] user default currency is empty")
 		return nil, errs.ErrUserDefaultCurrencyIsEmpty
 	}
 
 	if _, ok := validators.AllCurrencyNames[defaultCurrency]; !ok {
-		log.BootErrorf("[user_data.AddNewUser] user default currency is invalid")
+		log.CliErrorf(c, "[user_data.AddNewUser] user default currency is invalid")
 		return nil, errs.ErrUserDefaultCurrencyIsInvalid
 	}
 
@@ -85,33 +86,33 @@ func (l *UserDataCli) AddNewUser(c *cli.Context, username string, email string,
 		Nickname:             nickname,
 		Password:             password,
 		DefaultCurrency:      defaultCurrency,
-		FirstDayOfWeek:       models.WEEKDAY_SUNDAY,
+		FirstDayOfWeek:       core.WEEKDAY_SUNDAY,
 		TransactionEditScope: models.TRANSACTION_EDIT_SCOPE_ALL,
 	}
 
-	err := l.users.CreateUser(nil, user)
+	err := l.users.CreateUser(c, user)
 
 	if err != nil {
-		log.BootErrorf("[user_data.AddNewUser] failed to create user \"%s\", because %s", user.Username, err.Error())
+		log.CliErrorf(c, "[user_data.AddNewUser] failed to create user \"%s\", because %s", user.Username, err.Error())
 		return nil, err
 	}
 
-	log.BootInfof("[user_data.AddNewUser] user \"%s\" has add successfully, uid is %d", user.Username, user.Uid)
+	log.CliInfof(c, "[user_data.AddNewUser] user \"%s\" has add successfully, uid is %d", user.Username, user.Uid)
 
 	return user, nil
 }
 
 // GetUserByUsername returns user by user name
-func (l *UserDataCli) GetUserByUsername(c *cli.Context, username string) (*models.User, error) {
+func (l *UserDataCli) GetUserByUsername(c *core.CliContext, username string) (*models.User, error) {
 	if username == "" {
-		log.BootErrorf("[user_data.GetUserByUsername] user name is empty")
+		log.CliErrorf(c, "[user_data.GetUserByUsername] user name is empty")
 		return nil, errs.ErrUsernameIsEmpty
 	}
 
-	user, err := l.users.GetUserByUsername(nil, username)
+	user, err := l.users.GetUserByUsername(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.GetUserByUsername] failed to get user by user name \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.GetUserByUsername] failed to get user by user name \"%s\", because %s", username, err.Error())
 		return nil, err
 	}
 
@@ -119,21 +120,21 @@ func (l *UserDataCli) GetUserByUsername(c *cli.Context, username string) (*model
 }
 
 // ModifyUserPassword modifies user password
-func (l *UserDataCli) ModifyUserPassword(c *cli.Context, username string, password string) error {
+func (l *UserDataCli) ModifyUserPassword(c *core.CliContext, username string, password string) error {
 	if username == "" {
-		log.BootErrorf("[user_data.ModifyUserPassword] user name is empty")
+		log.CliErrorf(c, "[user_data.ModifyUserPassword] user name is empty")
 		return errs.ErrUsernameIsEmpty
 	}
 
 	if password == "" {
-		log.BootErrorf("[user_data.ModifyUserPassword] user password is empty")
+		log.CliErrorf(c, "[user_data.ModifyUserPassword] user password is empty")
 		return errs.ErrPasswordIsEmpty
 	}
 
-	user, err := l.users.GetUserByUsername(nil, username)
+	user, err := l.users.GetUserByUsername(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.ModifyUserPassword] failed to get user by user name \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.ModifyUserPassword] failed to get user by user name \"%s\", because %s", username, err.Error())
 		return err
 	}
 
@@ -147,55 +148,55 @@ func (l *UserDataCli) ModifyUserPassword(c *cli.Context, username string, passwo
 		Password: password,
 	}
 
-	_, _, err = l.users.UpdateUser(nil, userNew, false)
+	_, _, err = l.users.UpdateUser(c, userNew, false)
 
 	if err != nil {
-		log.BootErrorf("[user_data.ModifyUserPassword] failed to update user \"%s\" password, because %s", user.Username, err.Error())
+		log.CliErrorf(c, "[user_data.ModifyUserPassword] failed to update user \"%s\" password, because %s", user.Username, err.Error())
 		return err
 	}
 
 	now := time.Now().Unix()
-	err = l.tokens.DeleteTokensBeforeTime(nil, user.Uid, now)
+	err = l.tokens.DeleteTokensBeforeTime(c, user.Uid, now)
 
 	if err == nil {
-		log.BootInfof("[user_data.ModifyUserPassword] revoke old tokens before unix time \"%d\" for user \"%s\"", now, user.Username)
+		log.CliInfof(c, "[user_data.ModifyUserPassword] revoke old tokens before unix time \"%d\" for user \"%s\"", now, user.Username)
 	} else {
-		log.BootWarnf("[user_data.ModifyUserPassword] failed to revoke old tokens for user \"%s\", because %s", user.Username, err.Error())
+		log.CliWarnf(c, "[user_data.ModifyUserPassword] failed to revoke old tokens for user \"%s\", because %s", user.Username, err.Error())
 	}
 
 	return nil
 }
 
 // SendPasswordResetMail sends an email with password reset link
-func (l *UserDataCli) SendPasswordResetMail(c *cli.Context, username string) error {
+func (l *UserDataCli) SendPasswordResetMail(c *core.CliContext, username string) error {
 	if username == "" {
-		log.BootErrorf("[user_data.SendPasswordResetMail] user name is empty")
+		log.CliErrorf(c, "[user_data.SendPasswordResetMail] user name is empty")
 		return errs.ErrUsernameIsEmpty
 	}
 
-	user, err := l.users.GetUserByUsername(nil, username)
+	user, err := l.users.GetUserByUsername(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.SendPasswordResetMail] failed to get user by user name \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.SendPasswordResetMail] failed to get user by user name \"%s\", because %s", username, err.Error())
 		return err
 	}
 
-	if settings.Container.Current.ForgetPasswordRequireVerifyEmail && !user.EmailVerified {
-		log.BootWarnf("[user_data.SendPasswordResetMail] user \"uid:%d\" has not verified email", user.Uid)
+	if l.CurrentConfig().ForgetPasswordRequireVerifyEmail && !user.EmailVerified {
+		log.CliWarnf(c, "[user_data.SendPasswordResetMail] user \"uid:%d\" has not verified email", user.Uid)
 		return errs.ErrEmailIsNotVerified
 	}
 
-	token, _, err := l.tokens.CreatePasswordResetToken(nil, user)
+	token, _, err := l.tokens.CreatePasswordResetTokenWithoutUserAgent(c, user)
 
 	if err != nil {
-		log.BootErrorf("[user_data.SendPasswordResetMail] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.CliErrorf(c, "[user_data.SendPasswordResetMail] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return err
 	}
 
-	err = l.forgetPasswords.SendPasswordResetEmail(nil, user, token, "")
+	err = l.forgetPasswords.SendPasswordResetEmail(c, user, token, "")
 
 	if err != nil {
-		log.BootWarnf("[user_data.SendPasswordResetMail] cannot send email to \"%s\", because %s", user.Email, err.Error())
+		log.CliWarnf(c, "[user_data.SendPasswordResetMail] cannot send email to \"%s\", because %s", user.Email, err.Error())
 		return err
 	}
 
@@ -203,16 +204,16 @@ func (l *UserDataCli) SendPasswordResetMail(c *cli.Context, username string) err
 }
 
 // EnableUser sets user enabled according to the specified user name
-func (l *UserDataCli) EnableUser(c *cli.Context, username string) error {
+func (l *UserDataCli) EnableUser(c *core.CliContext, username string) error {
 	if username == "" {
-		log.BootErrorf("[user_data.EnableUser] user name is empty")
+		log.CliErrorf(c, "[user_data.EnableUser] user name is empty")
 		return errs.ErrUsernameIsEmpty
 	}
 
-	err := l.users.EnableUser(nil, username)
+	err := l.users.EnableUser(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.EnableUser] failed to set user enabled by user name \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.EnableUser] failed to set user enabled by user name \"%s\", because %s", username, err.Error())
 		return err
 	}
 
@@ -220,16 +221,16 @@ func (l *UserDataCli) EnableUser(c *cli.Context, username string) error {
 }
 
 // DisableUser sets user disabled according to the specified user name
-func (l *UserDataCli) DisableUser(c *cli.Context, username string) error {
+func (l *UserDataCli) DisableUser(c *core.CliContext, username string) error {
 	if username == "" {
-		log.BootErrorf("[user_data.DisableUser] user name is empty")
+		log.CliErrorf(c, "[user_data.DisableUser] user name is empty")
 		return errs.ErrUsernameIsEmpty
 	}
 
-	err := l.users.DisableUser(nil, username)
+	err := l.users.DisableUser(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.DisableUser] failed to set user disabled by user name \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.DisableUser] failed to set user disabled by user name \"%s\", because %s", username, err.Error())
 		return err
 	}
 
@@ -237,39 +238,39 @@ func (l *UserDataCli) DisableUser(c *cli.Context, username string) error {
 }
 
 // ResendVerifyEmail resends an email with account activation link
-func (l *UserDataCli) ResendVerifyEmail(c *cli.Context, username string) error {
-	if !settings.Container.Current.EnableUserVerifyEmail {
+func (l *UserDataCli) ResendVerifyEmail(c *core.CliContext, username string) error {
+	if !l.CurrentConfig().EnableUserVerifyEmail {
 		return errs.ErrEmailValidationNotAllowed
 	}
 
 	if username == "" {
-		log.BootErrorf("[user_data.ResendVerifyEmail] user name is empty")
+		log.CliErrorf(c, "[user_data.ResendVerifyEmail] user name is empty")
 		return errs.ErrUsernameIsEmpty
 	}
 
-	user, err := l.users.GetUserByUsername(nil, username)
+	user, err := l.users.GetUserByUsername(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.ResendVerifyEmail] failed to get user by user name \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.ResendVerifyEmail] failed to get user by user name \"%s\", because %s", username, err.Error())
 		return err
 	}
 
 	if user.EmailVerified {
-		log.BootWarnf("[user_data.ResendVerifyEmail] user \"uid:%d\" email has been verified", user.Uid)
+		log.CliWarnf(c, "[user_data.ResendVerifyEmail] user \"uid:%d\" email has been verified", user.Uid)
 		return errs.ErrEmailIsVerified
 	}
 
-	token, _, err := l.tokens.CreateEmailVerifyToken(nil, user)
+	token, _, err := l.tokens.CreateEmailVerifyTokenWithoutUserAgent(c, user)
 
 	if err != nil {
-		log.BootErrorf("[user_data.ResendVerifyEmail] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
+		log.CliErrorf(c, "[user_data.ResendVerifyEmail] failed to create token for user \"uid:%d\", because %s", user.Uid, err.Error())
 		return errs.ErrTokenGenerating
 	}
 
 	err = l.users.SendVerifyEmail(user, token, "")
 
 	if err != nil {
-		log.BootErrorf("[user_data.ResendVerifyEmail] cannot send email to \"%s\", because %s", user.Email, err.Error())
+		log.CliErrorf(c, "[user_data.ResendVerifyEmail] cannot send email to \"%s\", because %s", user.Email, err.Error())
 		return err
 	}
 
@@ -277,16 +278,16 @@ func (l *UserDataCli) ResendVerifyEmail(c *cli.Context, username string) error {
 }
 
 // SetUserEmailVerified sets user email address verified
-func (l *UserDataCli) SetUserEmailVerified(c *cli.Context, username string) error {
+func (l *UserDataCli) SetUserEmailVerified(c *core.CliContext, username string) error {
 	if username == "" {
-		log.BootErrorf("[user_data.SetUserEmailVerified] user name is empty")
+		log.CliErrorf(c, "[user_data.SetUserEmailVerified] user name is empty")
 		return errs.ErrUsernameIsEmpty
 	}
 
-	err := l.users.SetUserEmailVerified(nil, username)
+	err := l.users.SetUserEmailVerified(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.SetUserEmailVerified] failed to set user email address verified by user name \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.SetUserEmailVerified] failed to set user email address verified by user name \"%s\", because %s", username, err.Error())
 		return err
 	}
 
@@ -294,16 +295,16 @@ func (l *UserDataCli) SetUserEmailVerified(c *cli.Context, username string) erro
 }
 
 // SetUserEmailUnverified sets user email address unverified
-func (l *UserDataCli) SetUserEmailUnverified(c *cli.Context, username string) error {
+func (l *UserDataCli) SetUserEmailUnverified(c *core.CliContext, username string) error {
 	if username == "" {
-		log.BootErrorf("[user_data.SetUserEmailUnverified] user name is empty")
+		log.CliErrorf(c, "[user_data.SetUserEmailUnverified] user name is empty")
 		return errs.ErrUsernameIsEmpty
 	}
 
-	err := l.users.SetUserEmailUnverified(nil, username)
+	err := l.users.SetUserEmailUnverified(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.SetUserEmailUnverified] failed to set user email address unverified by user name \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.SetUserEmailUnverified] failed to set user email address unverified by user name \"%s\", because %s", username, err.Error())
 		return err
 	}
 
@@ -311,16 +312,16 @@ func (l *UserDataCli) SetUserEmailUnverified(c *cli.Context, username string) er
 }
 
 // DeleteUser deletes user according to the specified user name
-func (l *UserDataCli) DeleteUser(c *cli.Context, username string) error {
+func (l *UserDataCli) DeleteUser(c *core.CliContext, username string) error {
 	if username == "" {
-		log.BootErrorf("[user_data.DeleteUser] user name is empty")
+		log.CliErrorf(c, "[user_data.DeleteUser] user name is empty")
 		return errs.ErrUsernameIsEmpty
 	}
 
-	err := l.users.DeleteUser(nil, username)
+	err := l.users.DeleteUser(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.DeleteUser] failed to delete user by user name \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.DeleteUser] failed to delete user by user name \"%s\", because %s", username, err.Error())
 		return err
 	}
 
@@ -328,23 +329,23 @@ func (l *UserDataCli) DeleteUser(c *cli.Context, username string) error {
 }
 
 // ListUserTokens returns all tokens of the specified user
-func (l *UserDataCli) ListUserTokens(c *cli.Context, username string) ([]*models.TokenRecord, error) {
+func (l *UserDataCli) ListUserTokens(c *core.CliContext, username string) ([]*models.TokenRecord, error) {
 	if username == "" {
-		log.BootErrorf("[user_data.ListUserTokens] user name is empty")
+		log.CliErrorf(c, "[user_data.ListUserTokens] user name is empty")
 		return nil, errs.ErrUsernameIsEmpty
 	}
 
 	uid, err := l.getUserIdByUsername(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.ListUserTokens] error occurs when getting user id by user name")
+		log.CliErrorf(c, "[user_data.ListUserTokens] error occurs when getting user id by user name")
 		return nil, err
 	}
 
-	tokens, err := l.tokens.GetAllUnexpiredNormalTokensByUid(nil, uid)
+	tokens, err := l.tokens.GetAllUnexpiredNormalTokensByUid(c, uid)
 
 	if err != nil {
-		log.BootErrorf("[user_data.ListUserTokens] failed to get tokens of user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.ListUserTokens] failed to get tokens of user \"%s\", because %s", username, err.Error())
 		return nil, err
 	}
 
@@ -352,24 +353,24 @@ func (l *UserDataCli) ListUserTokens(c *cli.Context, username string) ([]*models
 }
 
 // ClearUserTokens clears all tokens of the specified user
-func (l *UserDataCli) ClearUserTokens(c *cli.Context, username string) error {
+func (l *UserDataCli) ClearUserTokens(c *core.CliContext, username string) error {
 	if username == "" {
-		log.BootErrorf("[user_data.ClearUserTokens] user name is empty")
+		log.CliErrorf(c, "[user_data.ClearUserTokens] user name is empty")
 		return errs.ErrUsernameIsEmpty
 	}
 
 	uid, err := l.getUserIdByUsername(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.ClearUserTokens] error occurs when getting user id by user name")
+		log.CliErrorf(c, "[user_data.ClearUserTokens] error occurs when getting user id by user name")
 		return err
 	}
 
 	now := time.Now().Unix()
-	err = l.tokens.DeleteTokensBeforeTime(nil, uid, now)
+	err = l.tokens.DeleteTokensBeforeTime(c, uid, now)
 
 	if err != nil {
-		log.BootErrorf("[user_data.ClearUserTokens] failed to delete tokens of user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.ClearUserTokens] failed to delete tokens of user \"%s\", because %s", username, err.Error())
 		return err
 	}
 
@@ -377,23 +378,23 @@ func (l *UserDataCli) ClearUserTokens(c *cli.Context, username string) error {
 }
 
 // DisableUserTwoFactorAuthorization disables 2fa for the specified user
-func (l *UserDataCli) DisableUserTwoFactorAuthorization(c *cli.Context, username string) error {
+func (l *UserDataCli) DisableUserTwoFactorAuthorization(c *core.CliContext, username string) error {
 	if username == "" {
-		log.BootErrorf("[user_data.DisableUserTwoFactorAuthorization] user name is empty")
+		log.CliErrorf(c, "[user_data.DisableUserTwoFactorAuthorization] user name is empty")
 		return errs.ErrUsernameIsEmpty
 	}
 
 	uid, err := l.getUserIdByUsername(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.DisableUserTwoFactorAuthorization] error occurs when getting user id by user name")
+		log.CliErrorf(c, "[user_data.DisableUserTwoFactorAuthorization] error occurs when getting user id by user name")
 		return err
 	}
 
-	enableTwoFactor, err := l.twoFactorAuthorizations.ExistsTwoFactorSetting(nil, uid)
+	enableTwoFactor, err := l.twoFactorAuthorizations.ExistsTwoFactorSetting(c, uid)
 
 	if err != nil {
-		log.BootErrorf("[user_data.DisableUserTwoFactorAuthorization] failed to check two-factor setting, because %s", err.Error())
+		log.CliErrorf(c, "[user_data.DisableUserTwoFactorAuthorization] failed to check two-factor setting, because %s", err.Error())
 		return err
 	}
 
@@ -401,17 +402,17 @@ func (l *UserDataCli) DisableUserTwoFactorAuthorization(c *cli.Context, username
 		return errs.ErrTwoFactorIsNotEnabled
 	}
 
-	err = l.twoFactorAuthorizations.DeleteTwoFactorRecoveryCodes(nil, uid)
+	err = l.twoFactorAuthorizations.DeleteTwoFactorRecoveryCodes(c, uid)
 
 	if err != nil {
-		log.BootErrorf("[user_data.DisableUserTwoFactorAuthorization] failed to delete two-factor recovery codes for user \"%s\"", username)
+		log.CliErrorf(c, "[user_data.DisableUserTwoFactorAuthorization] failed to delete two-factor recovery codes for user \"%s\"", username)
 		return err
 	}
 
-	err = l.twoFactorAuthorizations.DeleteTwoFactorSetting(nil, uid)
+	err = l.twoFactorAuthorizations.DeleteTwoFactorSetting(c, uid)
 
 	if err != nil {
-		log.BootErrorf("[user_data.DisableUserTwoFactorAuthorization] failed to delete two-factor setting for user \"%s\"", username)
+		log.CliErrorf(c, "[user_data.DisableUserTwoFactorAuthorization] failed to delete two-factor setting for user \"%s\"", username)
 		return err
 	}
 
@@ -419,23 +420,23 @@ func (l *UserDataCli) DisableUserTwoFactorAuthorization(c *cli.Context, username
 }
 
 // CheckTransactionAndAccount checks whether all user transactions and all user accounts are correct
-func (l *UserDataCli) CheckTransactionAndAccount(c *cli.Context, username string) (bool, error) {
+func (l *UserDataCli) CheckTransactionAndAccount(c *core.CliContext, username string) (bool, error) {
 	if username == "" {
-		log.BootErrorf("[user_data.CheckTransactionAndAccount] user name is empty")
+		log.CliErrorf(c, "[user_data.CheckTransactionAndAccount] user name is empty")
 		return false, errs.ErrUsernameIsEmpty
 	}
 
 	uid, err := l.getUserIdByUsername(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.CheckTransactionAndAccount] error occurs when getting user id by user name")
+		log.CliErrorf(c, "[user_data.CheckTransactionAndAccount] error occurs when getting user id by user name")
 		return false, err
 	}
 
-	accountMap, categoryMap, tagMap, tagIndexes, tagIndexesMap, err := l.getUserEssentialData(uid, username)
+	accountMap, categoryMap, tagMap, tagIndexes, tagIndexesMap, err := l.getUserEssentialData(c, uid, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.CheckTransactionAndAccount] failed to get essential data for user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.CheckTransactionAndAccount] failed to get essential data for user \"%s\", because %s", username, err.Error())
 		return false, err
 	}
 
@@ -447,10 +448,10 @@ func (l *UserDataCli) CheckTransactionAndAccount(c *cli.Context, username string
 		}
 	}
 
-	allTransactions, err := l.transactions.GetAllTransactions(nil, uid, pageCountForGettingTransactions, false)
+	allTransactions, err := l.transactions.GetAllTransactions(c, uid, pageCountForGettingTransactions, false)
 
 	if err != nil {
-		log.BootErrorf("[user_data.CheckTransactionAndAccount] failed to all transactions for user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.CheckTransactionAndAccount] failed to all transactions for user \"%s\", because %s", username, err.Error())
 		return false, err
 	}
 
@@ -501,7 +502,7 @@ func (l *UserDataCli) CheckTransactionAndAccount(c *cli.Context, username string
 		} else if transaction.Type == models.TRANSACTION_DB_TYPE_TRANSFER_IN {
 			balance = balance + transaction.Amount
 		} else {
-			log.BootErrorf("[user_data.CheckTransactionAndAccount] transaction type of transaction \"id:%d\" is invalid", transaction.TransactionId)
+			log.CliErrorf(c, "[user_data.CheckTransactionAndAccount] transaction type of transaction \"id:%d\" is invalid", transaction.TransactionId)
 			return false, errs.ErrOperationFailed
 		}
 
@@ -516,12 +517,12 @@ func (l *UserDataCli) CheckTransactionAndAccount(c *cli.Context, username string
 		}
 
 		if !exists && account.Balance != 0 {
-			log.BootErrorf("[user_data.CheckTransactionAndAccount] account \"id:%d\" balance is not correct, expected balance is %d, but there is no transaction actually", account.AccountId, account.Balance)
+			log.CliErrorf(c, "[user_data.CheckTransactionAndAccount] account \"id:%d\" balance is not correct, expected balance is %d, but there is no transaction actually", account.AccountId, account.Balance)
 			return false, errs.ErrOperationFailed
 		}
 
 		if account.Balance != actualBalance {
-			log.BootErrorf("[user_data.CheckTransactionAndAccount] account \"id:%d\" balance is not correct, expected balance is %d, but actual balance is %d", account.AccountId, account.Balance, actualBalance)
+			log.CliErrorf(c, "[user_data.CheckTransactionAndAccount] account \"id:%d\" balance is not correct, expected balance is %d, but actual balance is %d", account.AccountId, account.Balance, actualBalance)
 			return false, errs.ErrOperationFailed
 		}
 	}
@@ -530,7 +531,7 @@ func (l *UserDataCli) CheckTransactionAndAccount(c *cli.Context, username string
 		_, exists := accountMap[accountId]
 
 		if !exists {
-			log.BootErrorf("[user_data.CheckTransactionAndAccount] account \"id:%d\" does not exist, but there are some transactions of this account actually, and actual balance is %d", accountId, actualBalance)
+			log.CliErrorf(c, "[user_data.CheckTransactionAndAccount] account \"id:%d\" does not exist, but there are some transactions of this account actually, and actual balance is %d", accountId, actualBalance)
 			return false, errs.ErrOperationFailed
 		}
 	}
@@ -539,7 +540,7 @@ func (l *UserDataCli) CheckTransactionAndAccount(c *cli.Context, username string
 		tagIndex := tagIndexes[i]
 
 		if tagIndex.TransactionTime < 1 {
-			log.BootErrorf("[user_data.CheckTransactionAndAccount] transaction tag index \"id:%d\" does not have transaction time", tagIndex.TagIndexId)
+			log.CliErrorf(c, "[user_data.CheckTransactionAndAccount] transaction tag index \"id:%d\" does not have transaction time", tagIndex.TagIndexId)
 			return false, errs.ErrOperationFailed
 		}
 	}
@@ -548,23 +549,23 @@ func (l *UserDataCli) CheckTransactionAndAccount(c *cli.Context, username string
 }
 
 // FixTransactionTagIndexWithTransactionTime fixes user transaction tag index data with transaction time
-func (l *UserDataCli) FixTransactionTagIndexWithTransactionTime(c *cli.Context, username string) (bool, error) {
+func (l *UserDataCli) FixTransactionTagIndexWithTransactionTime(c *core.CliContext, username string) (bool, error) {
 	if username == "" {
-		log.BootErrorf("[user_data.FixTransactionTagIndexWithTransactionTime] user name is empty")
+		log.CliErrorf(c, "[user_data.FixTransactionTagIndexWithTransactionTime] user name is empty")
 		return false, errs.ErrUsernameIsEmpty
 	}
 
 	uid, err := l.getUserIdByUsername(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.FixTransactionTagIndexWithTransactionTime] error occurs when getting user id by user name")
+		log.CliErrorf(c, "[user_data.FixTransactionTagIndexWithTransactionTime] error occurs when getting user id by user name")
 		return false, err
 	}
 
-	tagIndexes, err := l.tags.GetAllTagIdsOfAllTransactions(nil, uid)
+	tagIndexes, err := l.tags.GetAllTagIdsOfAllTransactions(c, uid)
 
 	if err != nil {
-		log.BootErrorf("[user_data.FixTransactionTagIndexWithTransactionTime] failed to get tag index for user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.FixTransactionTagIndexWithTransactionTime] failed to get tag index for user \"%s\", because %s", username, err.Error())
 		return false, err
 	}
 
@@ -579,14 +580,14 @@ func (l *UserDataCli) FixTransactionTagIndexWithTransactionTime(c *cli.Context,
 	}
 
 	if len(invalidTagIndexes) < 1 {
-		log.BootErrorf("[user_data.FixTransactionTagIndexWithTransactionTime] all user transaction tag index data has been checked, there is no problem with user data")
+		log.CliErrorf(c, "[user_data.FixTransactionTagIndexWithTransactionTime] all user transaction tag index data has been checked, there is no problem with user data")
 		return false, errs.ErrOperationFailed
 	}
 
-	allTransactions, err := l.transactions.GetAllTransactions(nil, uid, pageCountForGettingTransactions, false)
+	allTransactions, err := l.transactions.GetAllTransactions(c, uid, pageCountForGettingTransactions, false)
 
 	if err != nil {
-		log.BootErrorf("[user_data.FixTransactionTagIndexWithTransactionTime] failed to all transactions for user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.FixTransactionTagIndexWithTransactionTime] failed to all transactions for user \"%s\", because %s", username, err.Error())
 		return false, err
 	}
 
@@ -603,10 +604,10 @@ func (l *UserDataCli) FixTransactionTagIndexWithTransactionTime(c *cli.Context,
 		tagIndex.TransactionTime = transaction.TransactionTime
 	}
 
-	err = l.tags.ModifyTagIndexTransactionTime(nil, uid, invalidTagIndexes)
+	err = l.tags.ModifyTagIndexTransactionTime(c, uid, invalidTagIndexes)
 
 	if err != nil {
-		log.BootErrorf("[user_data.FixTransactionTagIndexWithTransactionTime] failed to update transaction tag index for user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.FixTransactionTagIndexWithTransactionTime] failed to update transaction tag index for user \"%s\", because %s", username, err.Error())
 		return false, err
 	}
 
@@ -614,99 +615,183 @@ func (l *UserDataCli) FixTransactionTagIndexWithTransactionTime(c *cli.Context,
 }
 
 // ExportTransaction returns csv file content according user all transactions
-func (l *UserDataCli) ExportTransaction(c *cli.Context, username string, fileType string) ([]byte, error) {
+func (l *UserDataCli) ExportTransaction(c *core.CliContext, username string, fileType string) ([]byte, error) {
 	if username == "" {
-		log.BootErrorf("[user_data.ExportTransaction] user name is empty")
+		log.CliErrorf(c, "[user_data.ExportTransaction] user name is empty")
 		return nil, errs.ErrUsernameIsEmpty
 	}
 
 	uid, err := l.getUserIdByUsername(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.ExportTransaction] error occurs when getting user id by user name")
+		log.CliErrorf(c, "[user_data.ExportTransaction] error occurs when getting user id by user name")
 		return nil, err
 	}
 
-	accountMap, categoryMap, tagMap, _, tagIndexesMap, err := l.getUserEssentialData(uid, username)
+	accountMap, categoryMap, tagMap, _, tagIndexesMap, err := l.getUserEssentialData(c, uid, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.ExportTransaction] failed to get essential data for user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.ExportTransaction] failed to get essential data for user \"%s\", because %s", username, err.Error())
 		return nil, err
 	}
 
-	allTransactions, err := l.transactions.GetAllTransactions(nil, uid, pageCountForDataExport, true)
+	allTransactions, err := l.transactions.GetAllTransactions(c, uid, pageCountForDataExport, true)
 
 	if err != nil {
-		log.BootErrorf("[user_data.ExportTransaction] failed to all transactions for user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.ExportTransaction] failed to all transactions for user \"%s\", because %s", username, err.Error())
 		return nil, err
 	}
 
-	var dataExporter converters.DataConverter
+	dataExporter := converters.GetTransactionDataExporter(fileType)
 
-	if fileType == "tsv" {
-		dataExporter = l.ezBookKeepingTsvExporter
-	} else {
-		dataExporter = l.ezBookKeepingCsvExporter
+	if dataExporter == nil {
+		return nil, errs.ErrNotImplemented
 	}
 
-	result, err := dataExporter.ToExportedContent(uid, allTransactions, accountMap, categoryMap, tagMap, tagIndexesMap)
+	result, err := dataExporter.ToExportedContent(c, uid, allTransactions, accountMap, categoryMap, tagMap, tagIndexesMap)
 
 	if err != nil {
-		log.BootErrorf("[user_data.ExportTransaction] failed to get csv format exported data for \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.ExportTransaction] failed to get csv format exported data for \"%s\", because %s", username, err.Error())
 		return nil, err
 	}
 
 	return result, nil
 }
 
-func (l *UserDataCli) getUserIdByUsername(c *cli.Context, username string) (int64, error) {
+func (l *UserDataCli) ImportTransaction(c *core.CliContext, username string, fileType string, data []byte) error {
+	if username == "" {
+		log.CliErrorf(c, "[user_data.ImportTransaction] user name is empty")
+		return errs.ErrUsernameIsEmpty
+	}
+
+	dataImporter, err := converters.GetTransactionDataImporter(fileType)
+
+	if err != nil {
+		return err
+	}
+
 	user, err := l.GetUserByUsername(c, username)
 
 	if err != nil {
-		log.BootErrorf("[user_data.getUserIdByUsername] failed to get user by user name \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.ImportTransaction] failed to get user by user name \"%s\", because %s", username, err.Error())
+		return err
+	}
+
+	accountMap, expenseCategoryMap, incomeCategoryMap, transferCategoryMap, tagMap, err := l.getUserEssentialDataForImport(c, user.Uid, username)
+
+	if err != nil {
+		log.CliErrorf(c, "[user_data.ImportTransaction] failed to get essential data for user \"%s\", because %s", username, err.Error())
+		return err
+	}
+
+	parsedTransactions, newAccounts, newSubExpenseCategories, newSubIncomeCategories, newSubTransferCategories, newTags, err := dataImporter.ParseImportedData(c, user, data, utils.GetTimezoneOffsetMinutes(time.Local), accountMap, expenseCategoryMap, incomeCategoryMap, transferCategoryMap, tagMap)
+
+	if err != nil {
+		log.CliErrorf(c, "[user_data.ImportTransaction] failed to parse imported data for \"%s\", because %s", username, err.Error())
+		return err
+	}
+
+	if len(parsedTransactions) < 1 {
+		log.CliErrorf(c, "[user_data.ImportTransaction] there are no transactions in import file")
+		return errs.ErrOperationFailed
+	}
+
+	if len(newAccounts) > 0 {
+		accountNames := l.accounts.GetAccountNames(newAccounts)
+		log.CliErrorf(c, "[user_data.ImportTransaction] there are %d accounts (%s) need to be created, please create them manually", len(newAccounts), strings.Join(accountNames, ","))
+		return errs.ErrOperationFailed
+	}
+
+	if len(newSubExpenseCategories) > 0 {
+		categoryNames := l.categories.GetCategoryNames(newSubExpenseCategories)
+		log.CliErrorf(c, "[user_data.ImportTransaction] there are %d expense categories (%s) need to be created, please create them manually", len(newSubExpenseCategories), strings.Join(categoryNames, ","))
+		return errs.ErrOperationFailed
+	}
+
+	if len(newSubIncomeCategories) > 0 {
+		categoryNames := l.categories.GetCategoryNames(newSubIncomeCategories)
+		log.CliErrorf(c, "[user_data.ImportTransaction] there are %d income categories (%s) need to be created, please create them manually", len(newSubIncomeCategories), strings.Join(categoryNames, ","))
+		return errs.ErrOperationFailed
+	}
+
+	if len(newSubTransferCategories) > 0 {
+		categoryNames := l.categories.GetCategoryNames(newSubTransferCategories)
+		log.CliErrorf(c, "[user_data.ImportTransaction] there are %d transfer categories (%s) need to be created, please create them manually", len(newSubTransferCategories), strings.Join(categoryNames, ","))
+		return errs.ErrOperationFailed
+	}
+
+	if len(newTags) > 0 {
+		tagNames := l.tags.GetTagNames(newTags)
+		log.CliErrorf(c, "[user_data.ImportTransaction] there are %d transaction tags (%s) need to be created, please create them manually", len(newTags), strings.Join(tagNames, ","))
+		return errs.ErrOperationFailed
+	}
+
+	newTransactions := parsedTransactions.ToTransactionsList()
+	newTransactionTagIdsMap, err := parsedTransactions.ToTransactionTagIdsMap()
+
+	if err != nil {
+		log.CliErrorf(c, "[user_data.ImportTransaction] failed to get transaction tag ids map, because %s", err.Error())
+		return errs.ErrOperationFailed
+	}
+
+	err = l.transactions.BatchCreateTransactions(c, user.Uid, newTransactions, newTransactionTagIdsMap)
+
+	if err != nil {
+		log.CliErrorf(c, "[user_data.ImportTransaction] failed to create transaction, because %s", err.Error())
+		return err
+	}
+
+	return nil
+}
+
+func (l *UserDataCli) getUserIdByUsername(c *core.CliContext, username string) (int64, error) {
+	user, err := l.GetUserByUsername(c, username)
+
+	if err != nil {
+		log.CliErrorf(c, "[user_data.getUserIdByUsername] failed to get user by user name \"%s\", because %s", username, err.Error())
 		return 0, err
 	}
 
 	return user.Uid, nil
 }
 
-func (l *UserDataCli) getUserEssentialData(uid int64, username string) (accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, tagIndexes []*models.TransactionTagIndex, tagIndexesMap map[int64][]int64, err error) {
+func (l *UserDataCli) getUserEssentialData(c *core.CliContext, uid int64, username string) (accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, tagIndexes []*models.TransactionTagIndex, tagIndexesMap map[int64][]int64, err error) {
 	if uid <= 0 {
-		log.BootErrorf("[user_data.getUserEssentialData] user uid \"%d\" is invalid", uid)
+		log.CliErrorf(c, "[user_data.getUserEssentialData] user uid \"%d\" is invalid", uid)
 		return nil, nil, nil, nil, nil, errs.ErrUserIdInvalid
 	}
 
-	accounts, err := l.accounts.GetAllAccountsByUid(nil, uid)
+	accounts, err := l.accounts.GetAllAccountsByUid(c, uid)
 
 	if err != nil {
-		log.BootErrorf("[user_data.getUserEssentialData] failed to get accounts for user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.getUserEssentialData] failed to get accounts for user \"%s\", because %s", username, err.Error())
 		return nil, nil, nil, nil, nil, err
 	}
 
 	accountMap = l.accounts.GetAccountMapByList(accounts)
 
-	categories, err := l.categories.GetAllCategoriesByUid(nil, uid, 0, -1)
+	categories, err := l.categories.GetAllCategoriesByUid(c, uid, 0, -1)
 
 	if err != nil {
-		log.BootErrorf("[user_data.getUserEssentialData] failed to get categories for user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.getUserEssentialData] failed to get categories for user \"%s\", because %s", username, err.Error())
 		return nil, nil, nil, nil, nil, err
 	}
 
 	categoryMap = l.categories.GetCategoryMapByList(categories)
 
-	tags, err := l.tags.GetAllTagsByUid(nil, uid)
+	tags, err := l.tags.GetAllTagsByUid(c, uid)
 
 	if err != nil {
-		log.BootErrorf("[user_data.getUserEssentialData] failed to get tags for user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.getUserEssentialData] failed to get tags for user \"%s\", because %s", username, err.Error())
 		return nil, nil, nil, nil, nil, err
 	}
 
 	tagMap = l.tags.GetTagMapByList(tags)
 
-	tagIndexes, err = l.tags.GetAllTagIdsOfAllTransactions(nil, uid)
+	tagIndexes, err = l.tags.GetAllTagIdsOfAllTransactions(c, uid)
 
 	if err != nil {
-		log.BootErrorf("[user_data.getUserEssentialData] failed to get tag index for user \"%s\", because %s", username, err.Error())
+		log.CliErrorf(c, "[user_data.getUserEssentialData] failed to get tag index for user \"%s\", because %s", username, err.Error())
 		return nil, nil, nil, nil, nil, err
 	}
 
@@ -715,16 +800,52 @@ func (l *UserDataCli) getUserEssentialData(uid int64, username string) (accountM
 	return accountMap, categoryMap, tagMap, tagIndexes, tagIndexesMap, nil
 }
 
-func (l *UserDataCli) checkTransactionAccount(c *cli.Context, transaction *models.Transaction, accountMap map[int64]*models.Account, accountHasChild map[int64]bool) error {
+func (l *UserDataCli) getUserEssentialDataForImport(c *core.CliContext, uid int64, username string) (accountMap map[string]*models.Account, expenseCategoryMap map[string]*models.TransactionCategory, incomeCategoryMap map[string]*models.TransactionCategory, transferCategoryMap map[string]*models.TransactionCategory, tagMap map[string]*models.TransactionTag, err error) {
+	if uid <= 0 {
+		log.CliErrorf(c, "[user_data.getUserEssentialDataForImport] user uid \"%d\" is invalid", uid)
+		return nil, nil, nil, nil, nil, errs.ErrUserIdInvalid
+	}
+
+	accounts, err := l.accounts.GetAllAccountsByUid(c, uid)
+
+	if err != nil {
+		log.CliErrorf(c, "[user_data.getUserEssentialDataForImport] failed to get accounts for user \"%s\", because %s", username, err.Error())
+		return nil, nil, nil, nil, nil, err
+	}
+
+	accountMap = l.accounts.GetAccountNameMapByList(accounts)
+
+	categories, err := l.categories.GetAllCategoriesByUid(c, uid, 0, -1)
+
+	if err != nil {
+		log.CliErrorf(c, "[user_data.getUserEssentialDataForImport] failed to get categories for user \"%s\", because %s", username, err.Error())
+		return nil, nil, nil, nil, nil, err
+	}
+
+	expenseCategoryMap, incomeCategoryMap, transferCategoryMap = l.categories.GetCategoryNameMapByList(categories)
+
+	tags, err := l.tags.GetAllTagsByUid(c, uid)
+
+	if err != nil {
+		log.CliErrorf(c, "[user_data.getUserEssentialDataForImport] failed to get tags for user \"%s\", because %s", username, err.Error())
+		return nil, nil, nil, nil, nil, err
+	}
+
+	tagMap = l.tags.GetTagNameMapByList(tags)
+
+	return accountMap, expenseCategoryMap, incomeCategoryMap, transferCategoryMap, tagMap, nil
+}
+
+func (l *UserDataCli) checkTransactionAccount(c *core.CliContext, transaction *models.Transaction, accountMap map[int64]*models.Account, accountHasChild map[int64]bool) error {
 	account, exists := accountMap[transaction.AccountId]
 
 	if !exists {
-		log.BootErrorf("[user_data.checkTransactionAccount] the account \"id:%d\" of transaction \"id:%d\" does not exist", transaction.AccountId, transaction.TransactionId)
+		log.CliErrorf(c, "[user_data.checkTransactionAccount] the account \"id:%d\" of transaction \"id:%d\" does not exist", transaction.AccountId, transaction.TransactionId)
 		return errs.ErrAccountNotFound
 	}
 
 	if account.ParentAccountId == models.LevelOneAccountParentId && accountHasChild[account.AccountId] {
-		log.BootErrorf("[user_data.checkTransactionAccount] the account \"id:%d\" of transaction \"id:%d\" is not a sub-account", transaction.AccountId, transaction.TransactionId)
+		log.CliErrorf(c, "[user_data.checkTransactionAccount] the account \"id:%d\" of transaction \"id:%d\" is not a sub-account", transaction.AccountId, transaction.TransactionId)
 		return errs.ErrOperationFailed
 	}
 
@@ -732,12 +853,12 @@ func (l *UserDataCli) checkTransactionAccount(c *cli.Context, transaction *model
 		relatedAccount, exists := accountMap[transaction.RelatedAccountId]
 
 		if !exists {
-			log.BootErrorf("[user_data.checkTransactionAccount] the related account \"id:%d\" of transaction \"id:%d\" does not exist", transaction.RelatedAccountId, transaction.TransactionId)
+			log.CliErrorf(c, "[user_data.checkTransactionAccount] the related account \"id:%d\" of transaction \"id:%d\" does not exist", transaction.RelatedAccountId, transaction.TransactionId)
 			return errs.ErrAccountNotFound
 		}
 
 		if relatedAccount.ParentAccountId == models.LevelOneAccountParentId && accountHasChild[relatedAccount.AccountId] {
-			log.BootErrorf("[user_data.checkTransactionAccount] the related account \"id:%d\" of transaction \"id:%d\" is not a sub-account", transaction.RelatedAccountId, transaction.TransactionId)
+			log.CliErrorf(c, "[user_data.checkTransactionAccount] the related account \"id:%d\" of transaction \"id:%d\" is not a sub-account", transaction.RelatedAccountId, transaction.TransactionId)
 			return errs.ErrOperationFailed
 		}
 	}
@@ -745,10 +866,10 @@ func (l *UserDataCli) checkTransactionAccount(c *cli.Context, transaction *model
 	return nil
 }
 
-func (l *UserDataCli) checkTransactionCategory(c *cli.Context, transaction *models.Transaction, categoryMap map[int64]*models.TransactionCategory) error {
+func (l *UserDataCli) checkTransactionCategory(c *core.CliContext, transaction *models.Transaction, categoryMap map[int64]*models.TransactionCategory) error {
 	if transaction.Type == models.TRANSACTION_DB_TYPE_MODIFY_BALANCE {
 		if transaction.CategoryId > 0 {
-			log.BootErrorf("[user_data.checkTransactionCategory] transaction \"id:%d\" is balance modification transaction, but has category \"id:%d\"", transaction.TransactionId, transaction.CategoryId)
+			log.CliErrorf(c, "[user_data.checkTransactionCategory] transaction \"id:%d\" is balance modification transaction, but has category \"id:%d\"", transaction.TransactionId, transaction.CategoryId)
 			return errs.ErrBalanceModificationTransactionCannotSetCategory
 		} else {
 			return nil
@@ -758,19 +879,19 @@ func (l *UserDataCli) checkTransactionCategory(c *cli.Context, transaction *mode
 	category, exists := categoryMap[transaction.CategoryId]
 
 	if !exists {
-		log.BootErrorf("[user_data.checkTransactionCategory] the transaction category \"id:%d\" of transaction \"id:%d\" does not exist", transaction.CategoryId, transaction.TransactionId)
+		log.CliErrorf(c, "[user_data.checkTransactionCategory] the transaction category \"id:%d\" of transaction \"id:%d\" does not exist", transaction.CategoryId, transaction.TransactionId)
 		return errs.ErrTransactionCategoryNotFound
 	}
 
 	if category.ParentCategoryId == models.LevelOneTransactionParentId {
-		log.BootErrorf("[user_data.checkTransactionCategory] the transaction category \"id:%d\" of transaction \"id:%d\" is not a sub category", transaction.CategoryId, transaction.TransactionId)
+		log.CliErrorf(c, "[user_data.checkTransactionCategory] the transaction category \"id:%d\" of transaction \"id:%d\" is not a sub category", transaction.CategoryId, transaction.TransactionId)
 		return errs.ErrOperationFailed
 	}
 
 	return nil
 }
 
-func (l *UserDataCli) checkTransactionTag(c *cli.Context, transactionId int64, allTagIndexesMap map[int64][]int64, tagMap map[int64]*models.TransactionTag) error {
+func (l *UserDataCli) checkTransactionTag(c *core.CliContext, transactionId int64, allTagIndexesMap map[int64][]int64, tagMap map[int64]*models.TransactionTag) error {
 	tagIndexes, exists := allTagIndexesMap[transactionId]
 
 	if !exists {
@@ -782,7 +903,7 @@ func (l *UserDataCli) checkTransactionTag(c *cli.Context, transactionId int64, a
 		tag, exists := tagMap[tagIndex]
 
 		if !exists {
-			log.BootErrorf("[user_data.checkTransactionTag] the transaction tag \"id:%d\" of transaction \"id:%d\" does not exist", tag.TagId, transactionId)
+			log.CliErrorf(c, "[user_data.checkTransactionTag] the transaction tag \"id:%d\" of transaction \"id:%d\" does not exist", tag.TagId, transactionId)
 			return errs.ErrTransactionTagNotFound
 		}
 	}
@@ -790,7 +911,7 @@ func (l *UserDataCli) checkTransactionTag(c *cli.Context, transactionId int64, a
 	return nil
 }
 
-func (l *UserDataCli) checkTransactionRelatedTransaction(c *cli.Context, transaction *models.Transaction, transactionMap map[int64]*models.Transaction, accountMap map[int64]*models.Account) error {
+func (l *UserDataCli) checkTransactionRelatedTransaction(c *core.CliContext, transaction *models.Transaction, transactionMap map[int64]*models.Transaction, accountMap map[int64]*models.Account) error {
 	if transaction.Type != models.TRANSACTION_DB_TYPE_TRANSFER_OUT && transaction.Type != models.TRANSACTION_DB_TYPE_TRANSFER_IN {
 		return nil
 	}
@@ -798,22 +919,22 @@ func (l *UserDataCli) checkTransactionRelatedTransaction(c *cli.Context, transac
 	relatedTransaction, exists := transactionMap[transaction.RelatedId]
 
 	if !exists {
-		log.BootErrorf("[user_data.checkTransactionRelatedTransaction] the related transaction \"id:%d\" of transaction \"id:%d\" does not exist", transaction.RelatedId, transaction.TransactionId)
+		log.CliErrorf(c, "[user_data.checkTransactionRelatedTransaction] the related transaction \"id:%d\" of transaction \"id:%d\" does not exist", transaction.RelatedId, transaction.TransactionId)
 		return errs.ErrTransactionNotFound
 	}
 
 	if transaction.RelatedId != relatedTransaction.TransactionId || transaction.TransactionId != relatedTransaction.RelatedId {
-		log.BootErrorf("[user_data.checkTransactionRelatedTransaction] related ids of transaction \"id:%d\" and transaction \"id:%d\" are not equal", transaction.RelatedId, transaction.TransactionId)
+		log.CliErrorf(c, "[user_data.checkTransactionRelatedTransaction] related ids of transaction \"id:%d\" and transaction \"id:%d\" are not equal", transaction.RelatedId, transaction.TransactionId)
 		return errs.ErrOperationFailed
 	}
 
 	if transaction.RelatedAccountId != relatedTransaction.AccountId || transaction.AccountId != relatedTransaction.RelatedAccountId {
-		log.BootErrorf("[user_data.checkTransactionRelatedTransaction] related account ids of transaction \"id:%d\" and transaction \"id:%d\" are not equal", transaction.RelatedId, transaction.TransactionId)
+		log.CliErrorf(c, "[user_data.checkTransactionRelatedTransaction] related account ids of transaction \"id:%d\" and transaction \"id:%d\" are not equal", transaction.RelatedId, transaction.TransactionId)
 		return errs.ErrOperationFailed
 	}
 
 	if transaction.RelatedAccountAmount != relatedTransaction.Amount || transaction.Amount != relatedTransaction.RelatedAccountAmount {
-		log.BootErrorf("[user_data.checkTransactionRelatedTransaction] related amounts of transaction \"id:%d\" and transaction \"id:%d\" are not equal", transaction.RelatedId, transaction.TransactionId)
+		log.CliErrorf(c, "[user_data.checkTransactionRelatedTransaction] related amounts of transaction \"id:%d\" and transaction \"id:%d\" are not equal", transaction.RelatedId, transaction.TransactionId)
 		return errs.ErrOperationFailed
 	}
 
@@ -821,7 +942,7 @@ func (l *UserDataCli) checkTransactionRelatedTransaction(c *cli.Context, transac
 	relatedAccount := accountMap[transaction.RelatedAccountId]
 
 	if account.Currency == relatedAccount.Currency && transaction.Amount != transaction.RelatedAccountAmount {
-		log.BootWarnf("[user_data.checkTransactionRelatedTransaction] transfer-in amount and transfer-out amount of transaction \"id:%d\" are not equal", transaction.TransactionId)
+		log.CliWarnf(c, "[user_data.checkTransactionRelatedTransaction] transfer-in amount and transfer-out amount of transaction \"id:%d\" are not equal", transaction.TransactionId)
 	}
 
 	return nil

pkg/converters/alipay/alipay_app_transaction_data_csv_file_importer.go

@@ -0,0 +1,27 @@
+package alipay
+
+// alipayAppTransactionDataCsvFileImporter defines the structure of alipay app csv importer for transaction data
+type alipayAppTransactionDataCsvFileImporter struct {
+	alipayTransactionDataCsvFileImporter
+}
+
+// Initialize a alipay app transaction data csv file importer singleton instance
+var (
+	AlipayAppTransactionDataCsvFileImporter = &alipayAppTransactionDataCsvFileImporter{
+		alipayTransactionDataCsvFileImporter{
+			fileHeaderLine:         "------------------------------------------------------------------------------------",
+			dataHeaderStartContent: "支付宝（中国）网络技术有限公司  电子客户回单",
+			originalColumnNames: alipayTransactionColumnNames{
+				timeColumnName:           "交易时间",
+				categoryColumnName:       "交易分类",
+				targetNameColumnName:     "交易对方",
+				productNameColumnName:    "商品说明",
+				amountColumnName:         "金额",
+				typeColumnName:           "收/支",
+				relatedAccountColumnName: "收/付款方式",
+				statusColumnName:         "交易状态",
+				descriptionColumnName:    "备注",
+			},
+		},
+	}
+)

pkg/converters/alipay/alipay_transaction_data_csv_file_importer.go

@@ -0,0 +1,161 @@
+package alipay
+
+import (
+	"bytes"
+	"encoding/csv"
+	"io"
+	"strings"
+
+	"golang.org/x/text/encoding/simplifiedchinese"
+	"golang.org/x/text/transform"
+
+	csvdatatable "github.com/mayswind/ezbookkeeping/pkg/converters/csv"
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+var alipayTransactionSupportedColumns = map[datatable.TransactionDataTableColumn]bool{
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME:     true,
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE:     true,
+	datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY:         true,
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME:         true,
+	datatable.TRANSACTION_DATA_TABLE_AMOUNT:               true,
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME: true,
+	datatable.TRANSACTION_DATA_TABLE_DESCRIPTION:          true,
+}
+
+var alipayTransactionTypeNameMapping = map[models.TransactionType]string{
+	models.TRANSACTION_TYPE_INCOME:   "收入",
+	models.TRANSACTION_TYPE_EXPENSE:  "支出",
+	models.TRANSACTION_TYPE_TRANSFER: "不计收支",
+}
+
+// alipayTransactionColumnNames defines the structure of alipay transaction plain text header names
+type alipayTransactionColumnNames struct {
+	timeColumnName           string
+	categoryColumnName       string
+	targetNameColumnName     string
+	productNameColumnName    string
+	amountColumnName         string
+	typeColumnName           string
+	relatedAccountColumnName string
+	statusColumnName         string
+	descriptionColumnName    string
+}
+
+// alipayTransactionDataCsvFileImporter defines the structure of alipay csv importer for transaction data
+type alipayTransactionDataCsvFileImporter struct {
+	fileHeaderLine         string
+	dataHeaderStartContent string
+	dataBottomEndLineRune  rune
+	originalColumnNames    alipayTransactionColumnNames
+}
+
+// ParseImportedData returns the imported data by parsing the alipay transaction csv data
+func (c *alipayTransactionDataCsvFileImporter) ParseImportedData(ctx core.Context, user *models.User, data []byte, defaultTimezoneOffset int16, accountMap map[string]*models.Account, expenseCategoryMap map[string]*models.TransactionCategory, incomeCategoryMap map[string]*models.TransactionCategory, transferCategoryMap map[string]*models.TransactionCategory, tagMap map[string]*models.TransactionTag) (models.ImportedTransactionSlice, []*models.Account, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionTag, error) {
+	enc := simplifiedchinese.GB18030
+	reader := transform.NewReader(bytes.NewReader(data), enc.NewDecoder())
+
+	dataTable, err := c.createNewAlipayImportedDataTable(ctx, reader, c.fileHeaderLine, c.dataHeaderStartContent, c.dataBottomEndLineRune)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	commonDataTable := datatable.CreateNewImportedCommonDataTable(dataTable)
+
+	if !commonDataTable.HasColumn(c.originalColumnNames.timeColumnName) ||
+		!commonDataTable.HasColumn(c.originalColumnNames.amountColumnName) ||
+		!commonDataTable.HasColumn(c.originalColumnNames.typeColumnName) ||
+		!commonDataTable.HasColumn(c.originalColumnNames.statusColumnName) {
+		log.Errorf(ctx, "[alipay_transaction_data_csv_file_importer.ParseImportedData] cannot parse alipay csv data, because missing essential columns in header row")
+		return nil, nil, nil, nil, nil, nil, errs.ErrMissingRequiredFieldInHeaderRow
+	}
+
+	transactionRowParser := createAlipayTransactionDataRowParser(c.originalColumnNames)
+	transactionDataTable := datatable.CreateNewCommonTransactionDataTable(commonDataTable, alipayTransactionSupportedColumns, transactionRowParser)
+	dataTableImporter := datatable.CreateNewSimpleImporter(alipayTransactionTypeNameMapping)
+
+	return dataTableImporter.ParseImportedData(ctx, user, transactionDataTable, defaultTimezoneOffset, accountMap, expenseCategoryMap, incomeCategoryMap, transferCategoryMap, tagMap)
+}
+
+func (c *alipayTransactionDataCsvFileImporter) createNewAlipayImportedDataTable(ctx core.Context, reader io.Reader, fileHeaderLine string, dataHeaderStartContent string, dataBottomEndLineRune rune) (datatable.ImportedDataTable, error) {
+	csvReader := csv.NewReader(reader)
+	csvReader.FieldsPerRecord = -1
+
+	allOriginalLines := make([][]string, 0)
+	hasFileHeader := false
+	foundContentBeforeDataHeaderLine := false
+
+	for {
+		items, err := csvReader.Read()
+
+		if err == io.EOF {
+			break
+		}
+
+		if err != nil {
+			log.Errorf(ctx, "[alipay_transaction_csv_data_table.createNewAlipayImportedDataTable] cannot parse alipay csv data, because %s", err.Error())
+			return nil, errs.ErrInvalidCSVFile
+		}
+
+		if !hasFileHeader {
+			if len(items) <= 0 {
+				continue
+			} else if strings.Index(items[0], fileHeaderLine) == 0 {
+				hasFileHeader = true
+				continue
+			} else {
+				log.Warnf(ctx, "[alipay_transaction_csv_data_table.createNewAlipayImportedDataTable] read unexpected line before read file header, line content is %s", strings.Join(items, ","))
+				continue
+			}
+		}
+
+		if !foundContentBeforeDataHeaderLine {
+			if len(items) <= 0 {
+				continue
+			} else if strings.Index(items[0], dataHeaderStartContent) >= 0 {
+				foundContentBeforeDataHeaderLine = true
+				continue
+			} else {
+				continue
+			}
+		}
+
+		if foundContentBeforeDataHeaderLine {
+			if len(items) <= 0 {
+				continue
+			} else if len(items) == 1 && dataBottomEndLineRune > 0 && utils.ContainsOnlyOneRune(items[0], dataBottomEndLineRune) {
+				break
+			}
+
+			for i := 0; i < len(items); i++ {
+				items[i] = strings.Trim(items[i], " ")
+			}
+
+			if len(allOriginalLines) > 0 && len(items) < len(allOriginalLines[0]) {
+				log.Errorf(ctx, "[alipay_transaction_csv_data_table.createNewAlipayImportedDataTable] cannot parse row \"index:%d\", because may missing some columns (column count %d in data row is less than header column count %d)", len(allOriginalLines), len(items), len(allOriginalLines[0]))
+				return nil, errs.ErrFewerFieldsInDataRowThanInHeaderRow
+			}
+
+			allOriginalLines = append(allOriginalLines, items)
+		}
+	}
+
+	if !hasFileHeader || !foundContentBeforeDataHeaderLine {
+		return nil, errs.ErrInvalidFileHeader
+	}
+
+	if len(allOriginalLines) < 2 {
+		log.Errorf(ctx, "[alipay_transaction_csv_data_table.createNewAlipayImportedDataTable] cannot parse import data, because data table row count is less 1")
+		return nil, errs.ErrNotFoundTransactionDataInFile
+	}
+
+	dataTable := csvdatatable.CreateNewCustomCsvImportedDataTable(allOriginalLines)
+
+	return dataTable, nil
+}

pkg/converters/alipay/alipay_transaction_data_csv_file_importer_test.go

@@ -0,0 +1,614 @@
+package alipay
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+
+	"golang.org/x/text/encoding/simplifiedchinese"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+func TestAlipayCsvFileImporterParseImportedData_MinimumValidData(t *testing.T) {
+	converter := AlipayWebTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	data, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,商品名称                ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 01:23:45 ,xxxx            ,0.12   ,收入      ,交易成功    ,\n" +
+		"2024-09-01 12:34:56 ,xxxx            ,123.45  ,支出      ,交易成功    ,\n" +
+		"2024-09-01 23:59:59 ,充值-普通充值             ,0.05   ,不计收支    ,交易成功    ,\n" +
+		"2024-09-02 23:59:59 ,提现-普通提现             ,0.03   ,不计收支    ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, allNewAccounts, allNewSubExpenseCategories, allNewSubIncomeCategories, allNewSubTransferCategories, allNewTags, err := converter.ParseImportedData(context, user, []byte(data), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 4, len(allNewTransactions))
+	assert.Equal(t, 2, len(allNewAccounts))
+	assert.Equal(t, 1, len(allNewSubExpenseCategories))
+	assert.Equal(t, 1, len(allNewSubIncomeCategories))
+	assert.Equal(t, 1, len(allNewSubTransferCategories))
+	assert.Equal(t, 0, len(allNewTags))
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[0].Type)
+	assert.Equal(t, "2024-09-01 01:23:45", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime), time.UTC))
+	assert.Equal(t, int64(12), allNewTransactions[0].Amount)
+	assert.Equal(t, "Alipay", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[0].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[1].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[1].Type)
+	assert.Equal(t, "2024-09-01 12:34:56", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[1].TransactionTime), time.UTC))
+	assert.Equal(t, int64(12345), allNewTransactions[1].Amount)
+	assert.Equal(t, "", allNewTransactions[1].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[1].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[2].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[2].Type)
+	assert.Equal(t, "2024-09-01 23:59:59", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[2].TransactionTime), time.UTC))
+	assert.Equal(t, int64(5), allNewTransactions[2].Amount)
+	assert.Equal(t, "", allNewTransactions[2].OriginalSourceAccountName)
+	assert.Equal(t, "Alipay", allNewTransactions[2].OriginalDestinationAccountName)
+	assert.Equal(t, "", allNewTransactions[2].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[3].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[3].Type)
+	assert.Equal(t, "2024-09-02 23:59:59", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[3].TransactionTime), time.UTC))
+	assert.Equal(t, int64(3), allNewTransactions[3].Amount)
+	assert.Equal(t, "Alipay", allNewTransactions[3].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[3].OriginalDestinationAccountName)
+	assert.Equal(t, "", allNewTransactions[3].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[0].Uid)
+	assert.Equal(t, "Alipay", allNewAccounts[0].Name)
+	assert.Equal(t, "CNY", allNewAccounts[0].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[1].Uid)
+	assert.Equal(t, "", allNewAccounts[1].Name)
+	assert.Equal(t, "CNY", allNewAccounts[1].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewSubExpenseCategories[0].Uid)
+	assert.Equal(t, "", allNewSubExpenseCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubIncomeCategories[0].Uid)
+	assert.Equal(t, "", allNewSubIncomeCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubTransferCategories[0].Uid)
+	assert.Equal(t, "", allNewSubTransferCategories[0].Name)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_ParseRefundTransaction(t *testing.T) {
+	converter := AlipayWebTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	data1, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 01:23:45 ,0.12   ,不计收支    ,退款成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(data1), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[0].Type)
+	assert.Equal(t, "2024-09-01 01:23:45", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime), time.UTC))
+	assert.Equal(t, int64(-12), allNewTransactions[0].Amount)
+	assert.Equal(t, "", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[0].OriginalCategoryName)
+
+	data2, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 01:23:45 ,0.12   ,收入      ,退税成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data2), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[0].Type)
+	assert.Equal(t, "2024-09-01 01:23:45", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime), time.UTC))
+	assert.Equal(t, int64(-12), allNewTransactions[0].Amount)
+	assert.Equal(t, "", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[0].OriginalCategoryName)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_ParseInvalidTime(t *testing.T) {
+	converter := AlipayWebTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	data1, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01T12:34:56 ,0.12   ,收入      ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data1), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+
+	data2, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,金额（元）,收/支     ,交易状态    ,\n" +
+		"09/01/2024 12:34:56 ,0.12   ,收入      ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data2), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_ParseInvalidType(t *testing.T) {
+	converter := AlipayWebTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	data, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 12:34:56 ,0.12   ,        ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrNotFoundTransactionDataInFile.Message)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_ParseAccountName(t *testing.T) {
+	converter := AlipayWebTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	// income to alipay wallet
+	data1, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,交易对方            ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 12:34:56 ,test                ,0.12   ,收入      ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(data1), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "Alipay", allNewTransactions[0].OriginalSourceAccountName)
+
+	// refund to other account
+	data2, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,交易对方            ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 12:34:56 ,test                ,0.12   ,不计收支    ,退款成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data2), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "", allNewTransactions[0].OriginalSourceAccountName)
+
+	// transfer to alipay wallet
+	data3, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,交易对方            ,商品名称                ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 12:34:56 ,test                ,充值-普通充值             ,0.12   ,不计收支    ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data3), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "Alipay", allNewTransactions[0].OriginalDestinationAccountName)
+
+	// transfer from alipay wallet
+	data4, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,交易对方            ,商品名称                ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 12:34:56 ,test                ,提现-实时提现             ,0.12   ,不计收支    ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data4), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "Alipay", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "test", allNewTransactions[0].OriginalDestinationAccountName)
+
+	// transfer in
+	data5, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,交易对方            ,商品名称                ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 12:34:56 ,test                ,xx-转入             ,0.12   ,不计收支    ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data5), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "test", allNewTransactions[0].OriginalDestinationAccountName)
+
+	// transfer out
+	data6, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,交易对方            ,商品名称                ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 12:34:56 ,test                ,xx-转出             ,0.12   ,不计收支    ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data6), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "test", allNewTransactions[0].OriginalDestinationAccountName)
+
+	// repayment
+	data7, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,交易对方            ,商品名称                ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 12:34:56 ,test                ,xx还款             ,0.12   ,不计收支    ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data7), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "test", allNewTransactions[0].OriginalDestinationAccountName)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_ParseCategory(t *testing.T) {
+	converter := AlipayAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	data1, err := simplifiedchinese.GB18030.NewEncoder().String("------------------------------------------------------------------------------------\n" +
+		"导出信息：\n" +
+		"姓名：xxx\n" +
+		"支付宝账户：xxx@xxx.xxx\n" +
+		"起始时间：[2024-01-01 00:00:00]    终止时间：[2024-09-01 23:59:59]\n" +
+		"导出交易类型：[全部]\n" +
+		"------------------------支付宝（中国）网络技术有限公司  电子客户回单------------------------\n" +
+		"交易时间,交易分类,商品说明,收/支,金额,交易状态,\n" +
+		"2024-09-01 01:23:45,Test Category,xxxx,收入,0.12,交易成功,\n" +
+		"2024-09-01 12:34:56,Test Category2,xxxx,支出,123.45,交易成功,\n" +
+		"2024-09-01 23:59:59,Test Category3,充值-普通充值,不计收支,0.05,交易成功,\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, _, allNewSubExpenseCategories, allNewSubIncomeCategories, allNewSubTransferCategories, _, err := converter.ParseImportedData(context, user, []byte(data1), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 3, len(allNewTransactions))
+	assert.Equal(t, 1, len(allNewSubExpenseCategories))
+	assert.Equal(t, 1, len(allNewSubIncomeCategories))
+	assert.Equal(t, 1, len(allNewSubTransferCategories))
+
+	assert.Equal(t, int64(1234567890), allNewSubExpenseCategories[0].Uid)
+	assert.Equal(t, "Test Category2", allNewSubExpenseCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubIncomeCategories[0].Uid)
+	assert.Equal(t, "Test Category", allNewSubIncomeCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubTransferCategories[0].Uid)
+	assert.Equal(t, "Test Category3", allNewSubTransferCategories[0].Name)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_ParseRelatedAccount(t *testing.T) {
+	converter := AlipayAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	data1, err := simplifiedchinese.GB18030.NewEncoder().String("------------------------------------------------------------------------------------\n" +
+		"导出信息：\n" +
+		"姓名：xxx\n" +
+		"支付宝账户：xxx@xxx.xxx\n" +
+		"起始时间：[2024-01-01 00:00:00]    终止时间：[2024-09-01 23:59:59]\n" +
+		"导出交易类型：[全部]\n" +
+		"------------------------支付宝（中国）网络技术有限公司  电子客户回单------------------------\n" +
+		"交易时间,商品说明,收/支,金额,收/付款方式,交易状态,\n" +
+		"2024-09-01 03:45:07,余额宝-单次转入,不计收支,0.01,Test Account,交易成功,\n" +
+		"2024-09-01 05:07:29,信用卡还款,不计收支,0.02,Test Account2,交易成功,\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, allNewAccounts, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(data1), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 2, len(allNewTransactions))
+	assert.Equal(t, 3, len(allNewAccounts))
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, int64(1), allNewTransactions[0].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[0].OriginalDestinationAccountName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[1].Uid)
+	assert.Equal(t, int64(2), allNewTransactions[1].Amount)
+	assert.Equal(t, "Test Account2", allNewTransactions[1].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[1].OriginalDestinationAccountName)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[0].Uid)
+	assert.Equal(t, "Test Account", allNewAccounts[0].Name)
+	assert.Equal(t, "CNY", allNewAccounts[0].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[1].Uid)
+	assert.Equal(t, "", allNewAccounts[1].Name)
+	assert.Equal(t, "CNY", allNewAccounts[1].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[2].Uid)
+	assert.Equal(t, "Test Account2", allNewAccounts[2].Name)
+	assert.Equal(t, "CNY", allNewAccounts[2].Currency)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_ParseDescription(t *testing.T) {
+	converter := AlipayWebTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	data1, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,商品名称                ,金额（元）,收/支     ,交易状态    ,备注                  ,\n" +
+		"2024-09-01 12:34:56 ,test                ,0.12   ,收入      ,交易成功    ,test2               ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(data1), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "test2", allNewTransactions[0].Comment)
+
+	data2, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,商品名称                ,金额（元）,收/支     ,交易状态    ,备注                  ,\n" +
+		"2024-09-01 12:34:56 ,test                ,0.12   ,收入      ,交易成功    ,                    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data2), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "test", allNewTransactions[0].Comment)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_SkipClosedIncomeOrTransferTransaction(t *testing.T) {
+	converter := AlipayWebTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	data, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,商品名称                ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 01:23:45 ,xxxx            ,0.12   ,收入      ,交易关闭    ,\n" +
+		"2024-09-01 23:59:59 ,充值-普通充值             ,0.05   ,不计收支    ,交易关闭    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrNotFoundTransactionDataInFile.Message)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_SkipUnknownProductTransferTransaction(t *testing.T) {
+	converter := AlipayWebTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	data, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,商品名称                ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 23:59:59 ,xxxx                ,0.05   ,不计收支    ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrNotFoundTransactionDataInFile.Message)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_SkipUnknownStatusTransaction(t *testing.T) {
+	converter := AlipayWebTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	data, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,商品名称                ,金额（元）,收/支     ,交易状态    ,\n" +
+		"2024-09-01 01:23:45 ,xxxx            ,0.12   ,收入      ,xxxx    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrNotFoundTransactionDataInFile.Message)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_MissingFileHeader(t *testing.T) {
+	converter := AlipayWebTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	data, err := simplifiedchinese.GB18030.NewEncoder().String(
+		"交易创建时间              ,金额（元）,收/支     ,交易状态    ,\n" +
+			"2024-09-01 12:34:56 ,0.12   ,收入      ,交易成功    ,\n" +
+			"------------------------------------------------------------------------------------\n")
+	assert.Nil(t, err)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidFileHeader.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidFileHeader.Message)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_MissingRequiredColumn(t *testing.T) {
+	converter := AlipayWebTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	// Missing Time Column
+	data1, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"金额（元）,收/支     ,交易状态    ,\n" +
+		"0.12   ,收入      ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data1), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Amount Column
+	data2, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,收/支     ,交易状态    ,\n" +
+		"2024-09-01 12:34:56 ,收入      ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data2), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Status Column
+	data3, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,金额（元）,收/支     ,\n" +
+		"2024-09-01 12:34:56 ,0.12   ,收入      ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data3), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Type Column
+	data4, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,金额（元）,交易状态    ,\n" +
+		"2024-09-01 12:34:56 ,0.12   ,交易成功    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data4), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+}
+
+func TestAlipayCsvFileImporterParseImportedData_NoTransactionData(t *testing.T) {
+	converter := AlipayWebTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	data1, err := simplifiedchinese.GB18030.NewEncoder().String("支付宝交易记录明细查询\n" +
+		"账号:[xxx@xxx.xxx]\n" +
+		"起始日期:[2024-01-01 00:00:00]    终止日期:[2024-09-01 23:59:59]\n" +
+		"---------------------------------交易记录明细列表------------------------------------\n" +
+		"交易创建时间              ,金额（元）,收/支     ,交易状态    ,\n" +
+		"------------------------------------------------------------------------------------\n")
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(data1), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrNotFoundTransactionDataInFile.Message)
+}

pkg/converters/alipay/alipay_transaction_data_row_parser.go

@@ -0,0 +1,178 @@
+package alipay
+
+import (
+	"strings"
+
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/locales"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+const alipayTransactionDataStatusSuccessName = "交易成功"
+const alipayTransactionDataStatusPaymentSuccessName = "支付成功"
+const alipayTransactionDataStatusRepaymentSuccessName = "还款成功"
+const alipayTransactionDataStatusClosedName = "交易关闭"
+const alipayTransactionDataStatusRefundSuccessName = "退款成功"
+const alipayTransactionDataStatusTaxRefundSuccessName = "退税成功"
+
+const alipayTransactionDataProductNameTransferToAlipayPrefix = "充值-"
+const alipayTransactionDataProductNameTransferFromAlipayPrefix = "提现-"
+const alipayTransactionDataProductNameTransferInText = "转入"
+const alipayTransactionDataProductNameTransferOutText = "转出"
+const alipayTransactionDataProductNameRepaymentText = "还款"
+
+// alipayTransactionDataRowParser defines the structure of alipay transaction data row parser
+type alipayTransactionDataRowParser struct {
+	columns alipayTransactionColumnNames
+}
+
+// Parse returns the converted transaction data row
+func (p *alipayTransactionDataRowParser) Parse(ctx core.Context, user *models.User, dataTable *datatable.CommonTransactionDataTable, dataRow datatable.CommonDataRow, rowId string) (rowData map[datatable.TransactionDataTableColumn]string, rowDataValid bool, err error) {
+	if dataRow.GetData(p.columns.typeColumnName) != alipayTransactionTypeNameMapping[models.TRANSACTION_TYPE_INCOME] &&
+		dataRow.GetData(p.columns.typeColumnName) != alipayTransactionTypeNameMapping[models.TRANSACTION_TYPE_EXPENSE] &&
+		dataRow.GetData(p.columns.typeColumnName) != alipayTransactionTypeNameMapping[models.TRANSACTION_TYPE_TRANSFER] {
+		log.Warnf(ctx, "[alipay_transaction_data_row_parser.Parse] skip parsing transaction in row \"%s\", because type is \"%s\"", rowId, dataRow.GetData(p.columns.typeColumnName))
+		return nil, false, nil
+	}
+
+	if dataRow.GetData(p.columns.statusColumnName) != alipayTransactionDataStatusSuccessName &&
+		dataRow.GetData(p.columns.statusColumnName) != alipayTransactionDataStatusPaymentSuccessName &&
+		dataRow.GetData(p.columns.statusColumnName) != alipayTransactionDataStatusRepaymentSuccessName &&
+		dataRow.GetData(p.columns.statusColumnName) != alipayTransactionDataStatusClosedName &&
+		dataRow.GetData(p.columns.statusColumnName) != alipayTransactionDataStatusRefundSuccessName &&
+		dataRow.GetData(p.columns.statusColumnName) != alipayTransactionDataStatusTaxRefundSuccessName {
+		log.Warnf(ctx, "[alipay_transaction_data_row_parser.Parse] skip parsing transaction in row \"%s\", because status is \"%s\"", rowId, dataRow.GetData(p.columns.statusColumnName))
+		return nil, false, nil
+	}
+
+	data := make(map[datatable.TransactionDataTableColumn]string, len(alipayTransactionSupportedColumns))
+
+	if dataTable.HasOriginalColumn(p.columns.timeColumnName) {
+		data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME] = dataRow.GetData(p.columns.timeColumnName)
+	}
+
+	if dataTable.HasOriginalColumn(p.columns.categoryColumnName) {
+		data[datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY] = dataRow.GetData(p.columns.categoryColumnName)
+	} else {
+		data[datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY] = ""
+	}
+
+	if dataTable.HasOriginalColumn(p.columns.amountColumnName) {
+		data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = dataRow.GetData(p.columns.amountColumnName)
+	}
+
+	if dataTable.HasOriginalColumn(p.columns.descriptionColumnName) && dataRow.GetData(p.columns.descriptionColumnName) != "" {
+		data[datatable.TRANSACTION_DATA_TABLE_DESCRIPTION] = dataRow.GetData(p.columns.descriptionColumnName)
+	} else if dataTable.HasOriginalColumn(p.columns.productNameColumnName) && dataRow.GetData(p.columns.productNameColumnName) != "" {
+		data[datatable.TRANSACTION_DATA_TABLE_DESCRIPTION] = dataRow.GetData(p.columns.productNameColumnName)
+	} else {
+		data[datatable.TRANSACTION_DATA_TABLE_DESCRIPTION] = ""
+	}
+
+	relatedAccountName := ""
+
+	if dataTable.HasOriginalColumn(p.columns.relatedAccountColumnName) {
+		relatedAccountName = dataRow.GetData(p.columns.relatedAccountColumnName)
+	}
+
+	statusName := ""
+
+	if dataTable.HasOriginalColumn(p.columns.statusColumnName) {
+		statusName = dataRow.GetData(p.columns.statusColumnName)
+	}
+
+	locale := user.Language
+
+	if locale == "" {
+		locale = ctx.GetClientLocale()
+	}
+
+	localeTextItems := locales.GetLocaleTextItems(locale)
+
+	if dataTable.HasOriginalColumn(p.columns.typeColumnName) {
+		data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = dataRow.GetData(p.columns.typeColumnName)
+
+		if dataRow.GetData(p.columns.typeColumnName) == alipayTransactionTypeNameMapping[models.TRANSACTION_TYPE_INCOME] {
+			if statusName == alipayTransactionDataStatusClosedName {
+				log.Warnf(ctx, "[alipay_transaction_data_row_parser.Parse] skip parsing transaction in row \"%s\", because income transaction is closed", rowId)
+				return nil, false, nil
+			}
+
+			if statusName == alipayTransactionDataStatusSuccessName {
+				data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = localeTextItems.DataConverterTextItems.Alipay
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = ""
+			} else {
+				data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = ""
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = ""
+			}
+		} else if dataRow.GetData(p.columns.typeColumnName) == alipayTransactionTypeNameMapping[models.TRANSACTION_TYPE_TRANSFER] {
+			if statusName == alipayTransactionDataStatusClosedName {
+				log.Warnf(ctx, "[alipay_transaction_data_row_parser.Parse] skip parsing transaction in row \"%s\", because non-income/expense transaction is closed", rowId)
+				return nil, false, nil
+			}
+
+			targetName := ""
+			productName := ""
+
+			if dataTable.HasOriginalColumn(p.columns.targetNameColumnName) {
+				targetName = dataRow.GetData(p.columns.targetNameColumnName)
+			}
+
+			if dataTable.HasOriginalColumn(p.columns.productNameColumnName) {
+				productName = dataRow.GetData(p.columns.productNameColumnName)
+			}
+
+			if statusName == alipayTransactionDataStatusRefundSuccessName {
+				data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = alipayTransactionTypeNameMapping[models.TRANSACTION_TYPE_INCOME]
+				data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = relatedAccountName
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = ""
+			} else {
+				if strings.Index(productName, alipayTransactionDataProductNameTransferToAlipayPrefix) == 0 { // transfer to alipay wallet
+					data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = ""
+					data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = localeTextItems.DataConverterTextItems.Alipay
+				} else if strings.Index(productName, alipayTransactionDataProductNameTransferFromAlipayPrefix) == 0 { // transfer from alipay wallet
+					data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = localeTextItems.DataConverterTextItems.Alipay
+					data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = targetName
+				} else if strings.Index(productName, alipayTransactionDataProductNameTransferInText) >= 0 { // transfer in
+					data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = relatedAccountName
+					data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = targetName
+				} else if strings.Index(productName, alipayTransactionDataProductNameTransferOutText) >= 0 { // transfer out
+					data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = relatedAccountName
+					data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = targetName
+				} else if strings.Index(productName, alipayTransactionDataProductNameRepaymentText) >= 0 { // repayment
+					data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = relatedAccountName
+					data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = targetName
+				} else {
+					log.Warnf(ctx, "[alipay_transaction_data_row_parser.Parse] skip parsing transaction in row \"%s\", because product name (\"%s\") is unknown", rowId, productName)
+					return nil, false, nil
+				}
+			}
+		} else {
+			data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = relatedAccountName
+			data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = ""
+		}
+	}
+
+	if data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] == alipayTransactionTypeNameMapping[models.TRANSACTION_TYPE_INCOME] && statusName != "" {
+		if statusName == alipayTransactionDataStatusRefundSuccessName || statusName == alipayTransactionDataStatusTaxRefundSuccessName {
+			amount, err := utils.ParseAmount(data[datatable.TRANSACTION_DATA_TABLE_AMOUNT])
+
+			if err == nil {
+				data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = alipayTransactionTypeNameMapping[models.TRANSACTION_TYPE_EXPENSE]
+				data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(-amount)
+			}
+		}
+	}
+
+	return data, true, nil
+}
+
+// createAlipayTransactionDataRowParser returns alipay transaction data row parser
+func createAlipayTransactionDataRowParser(originalColumnNames alipayTransactionColumnNames) datatable.CommonTransactionDataRowParser {
+	return &alipayTransactionDataRowParser{
+		columns: originalColumnNames,
+	}
+}

pkg/converters/alipay/alipay_web_transaction_data_csv_file_importer.go

@@ -0,0 +1,28 @@
+package alipay
+
+// alipayWebTransactionDataCsvFileImporter defines the structure of alipay (web) csv importer for transaction data
+type alipayWebTransactionDataCsvFileImporter struct {
+	alipayTransactionDataCsvFileImporter
+}
+
+// Initialize a alipay (web) transaction data csv file importer singleton instance
+var (
+	AlipayWebTransactionDataCsvFileImporter = &alipayWebTransactionDataCsvFileImporter{
+		alipayTransactionDataCsvFileImporter{
+			fileHeaderLine:         "支付宝交易记录明细查询",
+			dataHeaderStartContent: "交易记录明细列表",
+			dataBottomEndLineRune:  '-',
+			originalColumnNames: alipayTransactionColumnNames{
+				timeColumnName:           "交易创建时间",
+				categoryColumnName:       "",
+				targetNameColumnName:     "交易对方",
+				productNameColumnName:    "商品名称",
+				amountColumnName:         "金额（元）",
+				typeColumnName:           "收/支",
+				relatedAccountColumnName: "",
+				statusColumnName:         "交易状态",
+				descriptionColumnName:    "备注",
+			},
+		},
+	}
+)

pkg/converters/base/transaction_data_converter.go

@@ -0,0 +1,24 @@
+package base
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+// TransactionDataExporter defines the structure of transaction data exporter
+type TransactionDataExporter interface {
+	// ToExportedContent returns the exported data
+	ToExportedContent(ctx core.Context, uid int64, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexes map[int64][]int64) ([]byte, error)
+}
+
+// TransactionDataImporter defines the structure of transaction data importer
+type TransactionDataImporter interface {
+	// ParseImportedData returns the imported data
+	ParseImportedData(ctx core.Context, user *models.User, data []byte, defaultTimezoneOffset int16, accountMap map[string]*models.Account, expenseCategoryMap map[string]*models.TransactionCategory, incomeCategoryMap map[string]*models.TransactionCategory, transferCategoryMap map[string]*models.TransactionCategory, tagMap map[string]*models.TransactionTag) (models.ImportedTransactionSlice, []*models.Account, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionTag, error)
+}
+
+// TransactionDataConverter defines the structure of transaction data converter
+type TransactionDataConverter interface {
+	TransactionDataExporter
+	TransactionDataImporter
+}

pkg/converters/csv/csv_file_imported_data_table.go

@@ -0,0 +1,138 @@
+package csv
+
+import (
+	"encoding/csv"
+	"fmt"
+	"io"
+
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+)
+
+// CsvFileImportedDataTable defines the structure of csv data table
+type CsvFileImportedDataTable struct {
+	allLines [][]string
+}
+
+// CsvFileImportedDataRow defines the structure of csv data table row
+type CsvFileImportedDataRow struct {
+	dataTable *CsvFileImportedDataTable
+	allItems  []string
+}
+
+// CsvFileImportedDataRowIterator defines the structure of csv data table row iterator
+type CsvFileImportedDataRowIterator struct {
+	dataTable    *CsvFileImportedDataTable
+	currentIndex int
+}
+
+// DataRowCount returns the total count of data row
+func (t *CsvFileImportedDataTable) DataRowCount() int {
+	if len(t.allLines) < 1 {
+		return 0
+	}
+
+	return len(t.allLines) - 1
+}
+
+// HeaderColumnNames returns the header column name list
+func (t *CsvFileImportedDataTable) HeaderColumnNames() []string {
+	if len(t.allLines) < 1 {
+		return nil
+	}
+
+	return t.allLines[0]
+}
+
+// DataRowIterator returns the iterator of data row
+func (t *CsvFileImportedDataTable) DataRowIterator() datatable.ImportedDataRowIterator {
+	return &CsvFileImportedDataRowIterator{
+		dataTable:    t,
+		currentIndex: 0,
+	}
+}
+
+// ColumnCount returns the total count of column in this data row
+func (r *CsvFileImportedDataRow) ColumnCount() int {
+	return len(r.allItems)
+}
+
+// GetData returns the data in the specified column index
+func (r *CsvFileImportedDataRow) GetData(columnIndex int) string {
+	if columnIndex >= len(r.allItems) {
+		return ""
+	}
+
+	return r.allItems[columnIndex]
+}
+
+// HasNext returns whether the iterator does not reach the end
+func (t *CsvFileImportedDataRowIterator) HasNext() bool {
+	return t.currentIndex+1 < len(t.dataTable.allLines)
+}
+
+// CurrentRowId returns current index
+func (t *CsvFileImportedDataRowIterator) CurrentRowId() string {
+	return fmt.Sprintf("line#%d", t.currentIndex)
+}
+
+// Next returns the next imported data row
+func (t *CsvFileImportedDataRowIterator) Next() datatable.ImportedDataRow {
+	if t.currentIndex+1 >= len(t.dataTable.allLines) {
+		return nil
+	}
+
+	t.currentIndex++
+
+	rowItems := t.dataTable.allLines[t.currentIndex]
+
+	return &CsvFileImportedDataRow{
+		dataTable: t.dataTable,
+		allItems:  rowItems,
+	}
+}
+
+// CreateNewCsvImportedDataTable returns comma separated values data table by io readers
+func CreateNewCsvImportedDataTable(ctx core.Context, reader io.Reader) (*CsvFileImportedDataTable, error) {
+	return createNewCsvFileDataTable(ctx, reader, ',')
+}
+
+// CreateNewCustomCsvImportedDataTable returns character separated values data table by io readers
+func CreateNewCustomCsvImportedDataTable(allLines [][]string) *CsvFileImportedDataTable {
+	return &CsvFileImportedDataTable{
+		allLines: allLines,
+	}
+}
+
+func createNewCsvFileDataTable(ctx core.Context, reader io.Reader, separator rune) (*CsvFileImportedDataTable, error) {
+	csvReader := csv.NewReader(reader)
+	csvReader.Comma = separator
+	csvReader.FieldsPerRecord = -1
+
+	allLines := make([][]string, 0)
+
+	for {
+		items, err := csvReader.Read()
+
+		if err == io.EOF {
+			break
+		}
+
+		if err != nil {
+			log.Errorf(ctx, "[csv_file_imported_data_table.createNewCsvFileDataTable] cannot parse csv data, because %s", err.Error())
+			return nil, errs.ErrInvalidCSVFile
+		}
+
+		if len(items) == 1 && items[0] == "" {
+			continue
+		}
+
+		allLines = append(allLines, items)
+	}
+
+	return &CsvFileImportedDataTable{
+		allLines: allLines,
+	}, nil
+}

pkg/converters/csv/csv_file_imported_data_table_test.go

@@ -0,0 +1,184 @@
+package csv
+
+import (
+	"bytes"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+)
+
+func TestCsvFileImportedDataTableDataRowCount(t *testing.T) {
+	datatable := CreateNewCustomCsvImportedDataTable([][]string{
+		{"A1", "B1", "C1"},
+		{"A2", "B2", "C2"},
+		{"A3", "B3", "C3"},
+	})
+
+	assert.Equal(t, 2, datatable.DataRowCount())
+}
+
+func TestCsvFileImportedDataTableDataRowCount_OnlyHeaderLine(t *testing.T) {
+	datatable := CreateNewCustomCsvImportedDataTable([][]string{
+		{"A1", "B1", "C1"},
+	})
+
+	assert.Equal(t, 0, datatable.DataRowCount())
+}
+
+func TestCsvFileImportedDataTableDataRowCount_EmptyContent(t *testing.T) {
+	datatable := CreateNewCustomCsvImportedDataTable([][]string{})
+
+	assert.Equal(t, 0, datatable.DataRowCount())
+}
+
+func TestCsvFileImportedDataTableHeaderColumnNames(t *testing.T) {
+	datatable := CreateNewCustomCsvImportedDataTable([][]string{
+		{"A1", "B1", "C1"},
+		{"A2", "B2", "C2"},
+		{"A3", "B3", "C3"},
+	})
+
+	assert.EqualValues(t, []string{"A1", "B1", "C1"}, datatable.HeaderColumnNames())
+}
+
+func TestCsvFileImportedDataTableHeaderColumnNames_EmptyContent(t *testing.T) {
+	datatable := CreateNewCustomCsvImportedDataTable([][]string{})
+
+	assert.Nil(t, datatable.HeaderColumnNames())
+}
+
+func TestCsvFileImportedDataRowIterator(t *testing.T) {
+	datatable := CreateNewCustomCsvImportedDataTable([][]string{
+		{"A1", "B1", "C1"},
+		{"A2", "B2", "C2"},
+		{"A3", "B3", "C3"},
+	})
+
+	iterator := datatable.DataRowIterator()
+	assert.True(t, iterator.HasNext())
+
+	// data row 1
+	assert.NotNil(t, iterator.Next())
+	assert.True(t, iterator.HasNext())
+
+	// data row 2
+	assert.NotNil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+
+	// not existed data row 3
+	assert.Nil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+
+	// not existed data row 4
+	assert.Nil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+}
+
+func TestCsvFileImportedDataRowColumnCount(t *testing.T) {
+	datatable := CreateNewCustomCsvImportedDataTable([][]string{
+		{"A1", "B1", "C1"},
+		{"A2", "B2", "C2"},
+		{"A3", "B3", "C3"},
+	})
+
+	iterator := datatable.DataRowIterator()
+
+	row1 := iterator.Next()
+	assert.EqualValues(t, 3, row1.ColumnCount())
+
+	row2 := iterator.Next()
+	assert.EqualValues(t, 3, row2.ColumnCount())
+}
+
+func TestCsvFileImportedDataRowGetData(t *testing.T) {
+	datatable := CreateNewCustomCsvImportedDataTable([][]string{
+		{"A1", "B1", "C1"},
+		{"A2", "B2", "C2"},
+		{"A3", "B3", "C3"},
+	})
+
+	iterator := datatable.DataRowIterator()
+
+	row1 := iterator.Next()
+	assert.Equal(t, "A2", row1.GetData(0))
+	assert.Equal(t, "B2", row1.GetData(1))
+	assert.Equal(t, "C2", row1.GetData(2))
+
+	row2 := iterator.Next()
+	assert.Equal(t, "A3", row2.GetData(0))
+	assert.Equal(t, "B3", row2.GetData(1))
+	assert.Equal(t, "C3", row2.GetData(2))
+}
+
+func TestCsvFileImportedDataRowGetData_GetNotExistedColumnData(t *testing.T) {
+	datatable := CreateNewCustomCsvImportedDataTable([][]string{
+		{"A1", "B1", "C1"},
+		{"A2", "B2", "C2"},
+		{"A3", "B3", "C3"},
+	})
+
+	iterator := datatable.DataRowIterator()
+
+	row1 := iterator.Next()
+	assert.Equal(t, "", row1.GetData(3))
+}
+
+func TestCreateNewCsvImportedDataTable(t *testing.T) {
+	context := core.NewNullContext()
+	reader := bytes.NewReader([]byte("A1,B1,C1\n" +
+		"A2,B2,C2\n" +
+		"A3,B3,C3\n"))
+	datatable, err := CreateNewCsvImportedDataTable(context, reader)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 2, datatable.DataRowCount())
+
+	iterator := datatable.DataRowIterator()
+	assert.True(t, iterator.HasNext())
+
+	row1 := iterator.Next()
+	assert.EqualValues(t, 3, row1.ColumnCount())
+	assert.Equal(t, "A2", row1.GetData(0))
+	assert.Equal(t, "B2", row1.GetData(1))
+	assert.Equal(t, "C2", row1.GetData(2))
+	assert.True(t, iterator.HasNext())
+
+	row2 := iterator.Next()
+	assert.EqualValues(t, 3, row2.ColumnCount())
+	assert.Equal(t, "A3", row2.GetData(0))
+	assert.Equal(t, "B3", row2.GetData(1))
+	assert.Equal(t, "C3", row2.GetData(2))
+	assert.False(t, iterator.HasNext())
+}
+
+func TestCreateNewCsvImportedDataTable_SkipBlankLine(t *testing.T) {
+	context := core.NewNullContext()
+	reader := bytes.NewReader([]byte("\n" +
+		"A1,B1,C1\n" +
+		"A2,B2,C2\n" +
+		"\n" +
+		"A3,B3,C3\n"))
+	datatable, err := CreateNewCsvImportedDataTable(context, reader)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 2, datatable.DataRowCount())
+
+	iterator := datatable.DataRowIterator()
+	assert.True(t, iterator.HasNext())
+
+	row1 := iterator.Next()
+	assert.EqualValues(t, 3, row1.ColumnCount())
+	assert.Equal(t, "A2", row1.GetData(0))
+	assert.Equal(t, "B2", row1.GetData(1))
+	assert.Equal(t, "C2", row1.GetData(2))
+	assert.True(t, iterator.HasNext())
+
+	row2 := iterator.Next()
+	assert.EqualValues(t, 3, row2.ColumnCount())
+	assert.Equal(t, "A3", row2.GetData(0))
+	assert.Equal(t, "B3", row2.GetData(1))
+	assert.Equal(t, "C3", row2.GetData(2))
+	assert.False(t, iterator.HasNext())
+}

pkg/converters/data_converter.go

@@ -1,11 +0,0 @@
-package converters
-
-import (
-	"github.com/mayswind/ezbookkeeping/pkg/models"
-)
-
-// DataConverter defines the structure of data exporter
-type DataConverter interface {
-	// ToExportedContent returns the exported data
-	ToExportedContent(uid int64, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexes map[int64][]int64) ([]byte, error)
-}

pkg/converters/datatable/common_data_table.go

@@ -0,0 +1,40 @@
+package datatable
+
+// CommonDataTable defines the structure of common data table
+type CommonDataTable interface {
+	// HeaderColumnCount returns the total count of column in header row
+	HeaderColumnCount() int
+
+	// HasColumn returns whether the common data table has specified column name
+	HasColumn(columnName string) bool
+
+	// DataRowCount returns the total count of common data row
+	DataRowCount() int
+
+	// DataRowIterator returns the iterator of common data row
+	DataRowIterator() CommonDataRowIterator
+}
+
+// CommonDataRow defines the structure of common data row
+type CommonDataRow interface {
+	// ColumnCount returns the total count of column in this data row
+	ColumnCount() int
+
+	// HasData returns whether the common data row has specified column data
+	HasData(columnName string) bool
+
+	// GetData returns the data in the specified column name
+	GetData(columnName string) string
+}
+
+// CommonDataRowIterator defines the structure of common data row iterator
+type CommonDataRowIterator interface {
+	// HasNext returns whether the iterator does not reach the end
+	HasNext() bool
+
+	// CurrentRowId returns current row id
+	CurrentRowId() string
+
+	// Next returns the next common data row
+	Next() CommonDataRow
+}

pkg/converters/datatable/common_transaction_data_table.go

@@ -0,0 +1,114 @@
+package datatable
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+// CommonTransactionDataTable defines the structure of common transaction data table
+type CommonTransactionDataTable struct {
+	innerDataTable       CommonDataTable
+	supportedDataColumns map[TransactionDataTableColumn]bool
+	rowParser            CommonTransactionDataRowParser
+}
+
+// CommonTransactionDataRow defines the structure of common transaction data row
+type CommonTransactionDataRow struct {
+	transactionDataTable *CommonTransactionDataTable
+	rowData              map[TransactionDataTableColumn]string
+	rowDataValid         bool
+}
+
+// CommonTransactionDataRowIterator defines the structure of common transaction data row iterator
+type CommonTransactionDataRowIterator struct {
+	transactionDataTable *CommonTransactionDataTable
+	innerIterator        CommonDataRowIterator
+}
+
+// CommonTransactionDataRowParser defines the structure of common transaction data row parser
+type CommonTransactionDataRowParser interface {
+	// Parse returns the converted transaction data row
+	Parse(ctx core.Context, user *models.User, dataTable *CommonTransactionDataTable, dataRow CommonDataRow, rowId string) (rowData map[TransactionDataTableColumn]string, rowDataValid bool, err error)
+}
+
+// HasColumn returns whether the data table has specified column
+func (t *CommonTransactionDataTable) HasColumn(column TransactionDataTableColumn) bool {
+	_, exists := t.supportedDataColumns[column]
+	return exists
+}
+
+// HasOriginalColumn returns whether the original data table has specified column name
+func (t *CommonTransactionDataTable) HasOriginalColumn(columnName string) bool {
+	return columnName != "" && t.innerDataTable.HasColumn(columnName)
+}
+
+// TransactionRowCount returns the total count of transaction data row
+func (t *CommonTransactionDataTable) TransactionRowCount() int {
+	return t.innerDataTable.DataRowCount()
+}
+
+// TransactionRowIterator returns the iterator of transaction data row
+func (t *CommonTransactionDataTable) TransactionRowIterator() TransactionDataRowIterator {
+	return &CommonTransactionDataRowIterator{
+		transactionDataTable: t,
+		innerIterator:        t.innerDataTable.DataRowIterator(),
+	}
+}
+
+// IsValid returns whether this row is valid data for importing
+func (r *CommonTransactionDataRow) IsValid() bool {
+	return r.rowDataValid
+}
+
+// GetData returns the data in the specified column type
+func (r *CommonTransactionDataRow) GetData(column TransactionDataTableColumn) string {
+	if !r.rowDataValid {
+		return ""
+	}
+
+	_, exists := r.transactionDataTable.supportedDataColumns[column]
+
+	if !exists {
+		return ""
+	}
+
+	return r.rowData[column]
+}
+
+// HasNext returns whether the iterator does not reach the end
+func (t *CommonTransactionDataRowIterator) HasNext() bool {
+	return t.innerIterator.HasNext()
+}
+
+// Next returns the next transaction data row
+func (t *CommonTransactionDataRowIterator) Next(ctx core.Context, user *models.User) (daraRow TransactionDataRow, err error) {
+	commonRow := t.innerIterator.Next()
+
+	if commonRow == nil {
+		return nil, nil
+	}
+
+	rowId := t.innerIterator.CurrentRowId()
+	rowData, rowDataValid, err := t.transactionDataTable.rowParser.Parse(ctx, user, t.transactionDataTable, commonRow, rowId)
+
+	if err != nil {
+		log.Errorf(ctx, "[common_transaction_data_table.Next] cannot parse data row, because %s", err.Error())
+		return nil, err
+	}
+
+	return &CommonTransactionDataRow{
+		transactionDataTable: t.transactionDataTable,
+		rowData:              rowData,
+		rowDataValid:         rowDataValid,
+	}, nil
+}
+
+// CreateNewCommonTransactionDataTable returns transaction data table from Common data table
+func CreateNewCommonTransactionDataTable(dataTable CommonDataTable, supportedDataColumns map[TransactionDataTableColumn]bool, rowParser CommonTransactionDataRowParser) *CommonTransactionDataTable {
+	return &CommonTransactionDataTable{
+		innerDataTable:       dataTable,
+		supportedDataColumns: supportedDataColumns,
+		rowParser:            rowParser,
+	}
+}

pkg/converters/datatable/data_table_transaction_data_converter.go

@@ -0,0 +1,572 @@
+package datatable
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+	"time"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+	"github.com/mayswind/ezbookkeeping/pkg/validators"
+)
+
+// DataTableTransactionDataExporter defines the structure of plain text data table exporter for transaction data
+type DataTableTransactionDataExporter struct {
+	transactionTypeMapping  map[models.TransactionType]string
+	geoLocationSeparator    string
+	transactionTagSeparator string
+}
+
+// DataTableTransactionDataImporter defines the structure of plain text data table importer for transaction data
+type DataTableTransactionDataImporter struct {
+	transactionTypeMapping  map[models.TransactionType]string
+	geoLocationSeparator    string
+	transactionTagSeparator string
+}
+
+// CreateNewExporter returns a new data table transaction data exporter according to the specified arguments
+func CreateNewExporter(transactionTypeMapping map[models.TransactionType]string, geoLocationSeparator string, transactionTagSeparator string) *DataTableTransactionDataExporter {
+	return &DataTableTransactionDataExporter{
+		transactionTypeMapping:  transactionTypeMapping,
+		geoLocationSeparator:    geoLocationSeparator,
+		transactionTagSeparator: transactionTagSeparator,
+	}
+}
+
+// CreateNewImporter returns a new data table transaction data importer according to the specified arguments
+func CreateNewImporter(transactionTypeMapping map[models.TransactionType]string, geoLocationSeparator string, transactionTagSeparator string) *DataTableTransactionDataImporter {
+	return &DataTableTransactionDataImporter{
+		transactionTypeMapping:  transactionTypeMapping,
+		geoLocationSeparator:    geoLocationSeparator,
+		transactionTagSeparator: transactionTagSeparator,
+	}
+}
+
+// CreateNewSimpleImporter returns a new data table transaction data importer according to the specified arguments
+func CreateNewSimpleImporter(transactionTypeMapping map[models.TransactionType]string) *DataTableTransactionDataImporter {
+	return &DataTableTransactionDataImporter{
+		transactionTypeMapping: transactionTypeMapping,
+	}
+}
+
+// BuildExportedContent writes the exported transaction data to the data table builder
+func (c *DataTableTransactionDataExporter) BuildExportedContent(ctx core.Context, dataTableBuilder TransactionDataTableBuilder, uid int64, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexes map[int64][]int64) error {
+	for i := 0; i < len(transactions); i++ {
+		transaction := transactions[i]
+
+		if transaction.Type == models.TRANSACTION_DB_TYPE_TRANSFER_IN {
+			continue
+		}
+
+		dataRowMap := make(map[TransactionDataTableColumn]string, 15)
+		transactionTimeZone := time.FixedZone("Transaction Timezone", int(transaction.TimezoneUtcOffset)*60)
+
+		dataRowMap[TRANSACTION_DATA_TABLE_TRANSACTION_TIME] = utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(transaction.TransactionTime), transactionTimeZone)
+		dataRowMap[TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE] = utils.FormatTimezoneOffset(transactionTimeZone)
+		dataRowMap[TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = dataTableBuilder.ReplaceDelimiters(c.getDisplayTransactionTypeName(transaction.Type))
+		dataRowMap[TRANSACTION_DATA_TABLE_CATEGORY] = c.getExportedTransactionCategoryName(dataTableBuilder, transaction.CategoryId, categoryMap)
+		dataRowMap[TRANSACTION_DATA_TABLE_SUB_CATEGORY] = c.getExportedTransactionSubCategoryName(dataTableBuilder, transaction.CategoryId, categoryMap)
+		dataRowMap[TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = c.getExportedAccountName(dataTableBuilder, transaction.AccountId, accountMap)
+		dataRowMap[TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY] = c.getAccountCurrency(dataTableBuilder, transaction.AccountId, accountMap)
+		dataRowMap[TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(transaction.Amount)
+
+		if transaction.Type == models.TRANSACTION_DB_TYPE_TRANSFER_OUT {
+			dataRowMap[TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = c.getExportedAccountName(dataTableBuilder, transaction.RelatedAccountId, accountMap)
+			dataRowMap[TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY] = c.getAccountCurrency(dataTableBuilder, transaction.RelatedAccountId, accountMap)
+			dataRowMap[TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = utils.FormatAmount(transaction.RelatedAccountAmount)
+		}
+
+		dataRowMap[TRANSACTION_DATA_TABLE_GEOGRAPHIC_LOCATION] = c.getExportedGeographicLocation(transaction)
+		dataRowMap[TRANSACTION_DATA_TABLE_TAGS] = c.getExportedTags(dataTableBuilder, transaction.TransactionId, allTagIndexes, tagMap)
+		dataRowMap[TRANSACTION_DATA_TABLE_DESCRIPTION] = dataTableBuilder.ReplaceDelimiters(transaction.Comment)
+
+		dataTableBuilder.AppendTransaction(dataRowMap)
+	}
+
+	return nil
+}
+
+func (c *DataTableTransactionDataExporter) getDisplayTransactionTypeName(transactionDbType models.TransactionDbType) string {
+	transactionType, err := transactionDbType.ToTransactionType()
+
+	if err != nil {
+		return ""
+	}
+
+	transactionTypeName, exists := c.transactionTypeMapping[transactionType]
+
+	if !exists {
+		return ""
+	}
+
+	return transactionTypeName
+}
+
+func (c *DataTableTransactionDataExporter) getExportedTransactionCategoryName(dataTableBuilder TransactionDataTableBuilder, categoryId int64, categoryMap map[int64]*models.TransactionCategory) string {
+	category, exists := categoryMap[categoryId]
+
+	if !exists {
+		return ""
+	}
+
+	if category.ParentCategoryId == 0 {
+		return dataTableBuilder.ReplaceDelimiters(category.Name)
+	}
+
+	parentCategory, exists := categoryMap[category.ParentCategoryId]
+
+	if !exists {
+		return ""
+	}
+
+	return dataTableBuilder.ReplaceDelimiters(parentCategory.Name)
+}
+
+func (c *DataTableTransactionDataExporter) getExportedTransactionSubCategoryName(dataTableBuilder TransactionDataTableBuilder, categoryId int64, categoryMap map[int64]*models.TransactionCategory) string {
+	category, exists := categoryMap[categoryId]
+
+	if exists {
+		return dataTableBuilder.ReplaceDelimiters(category.Name)
+	} else {
+		return ""
+	}
+}
+
+func (c *DataTableTransactionDataExporter) getExportedAccountName(dataTableBuilder TransactionDataTableBuilder, accountId int64, accountMap map[int64]*models.Account) string {
+	account, exists := accountMap[accountId]
+
+	if exists {
+		return dataTableBuilder.ReplaceDelimiters(account.Name)
+	} else {
+		return ""
+	}
+}
+
+func (c *DataTableTransactionDataExporter) getAccountCurrency(dataTableBuilder TransactionDataTableBuilder, accountId int64, accountMap map[int64]*models.Account) string {
+	account, exists := accountMap[accountId]
+
+	if exists {
+		return dataTableBuilder.ReplaceDelimiters(account.Currency)
+	} else {
+		return ""
+	}
+}
+
+func (c *DataTableTransactionDataExporter) getExportedGeographicLocation(transaction *models.Transaction) string {
+	if transaction.GeoLongitude != 0 || transaction.GeoLatitude != 0 {
+		return fmt.Sprintf("%f%s%f", transaction.GeoLongitude, c.geoLocationSeparator, transaction.GeoLatitude)
+	}
+
+	return ""
+}
+
+func (c *DataTableTransactionDataExporter) getExportedTags(dataTableBuilder TransactionDataTableBuilder, transactionId int64, allTagIndexes map[int64][]int64, tagMap map[int64]*models.TransactionTag) string {
+	tagIndexes, exists := allTagIndexes[transactionId]
+
+	if !exists {
+		return ""
+	}
+
+	var ret strings.Builder
+
+	for i := 0; i < len(tagIndexes); i++ {
+		tagIndex := tagIndexes[i]
+		tag, exists := tagMap[tagIndex]
+
+		if !exists {
+			continue
+		}
+
+		if ret.Len() > 0 {
+			ret.WriteString(c.transactionTagSeparator)
+		}
+
+		ret.WriteString(strings.Replace(tag.Name, c.transactionTagSeparator, " ", -1))
+	}
+
+	return dataTableBuilder.ReplaceDelimiters(ret.String())
+}
+
+// ParseImportedData returns the imported transaction data
+func (c *DataTableTransactionDataImporter) ParseImportedData(ctx core.Context, user *models.User, dataTable TransactionDataTable, defaultTimezoneOffset int16, accountMap map[string]*models.Account, expenseCategoryMap map[string]*models.TransactionCategory, incomeCategoryMap map[string]*models.TransactionCategory, transferCategoryMap map[string]*models.TransactionCategory, tagMap map[string]*models.TransactionTag) (models.ImportedTransactionSlice, []*models.Account, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionTag, error) {
+	if dataTable.TransactionRowCount() < 1 {
+		log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] cannot parse import data for user \"uid:%d\", because data table row count is less 1", user.Uid)
+		return nil, nil, nil, nil, nil, nil, errs.ErrNotFoundTransactionDataInFile
+	}
+
+	nameDbTypeMap, err := c.buildTransactionTypeNameDbTypeMap()
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	if !dataTable.HasColumn(TRANSACTION_DATA_TABLE_TRANSACTION_TIME) ||
+		!dataTable.HasColumn(TRANSACTION_DATA_TABLE_TRANSACTION_TYPE) ||
+		!dataTable.HasColumn(TRANSACTION_DATA_TABLE_SUB_CATEGORY) ||
+		!dataTable.HasColumn(TRANSACTION_DATA_TABLE_ACCOUNT_NAME) ||
+		!dataTable.HasColumn(TRANSACTION_DATA_TABLE_AMOUNT) ||
+		!dataTable.HasColumn(TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME) {
+		log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] cannot parse import data for user \"uid:%d\", because missing essential columns in header row", user.Uid)
+		return nil, nil, nil, nil, nil, nil, errs.ErrMissingRequiredFieldInHeaderRow
+	}
+
+	if accountMap == nil {
+		accountMap = make(map[string]*models.Account)
+	}
+
+	if expenseCategoryMap == nil {
+		expenseCategoryMap = make(map[string]*models.TransactionCategory)
+	}
+
+	if incomeCategoryMap == nil {
+		incomeCategoryMap = make(map[string]*models.TransactionCategory)
+	}
+
+	if transferCategoryMap == nil {
+		transferCategoryMap = make(map[string]*models.TransactionCategory)
+	}
+
+	if tagMap == nil {
+		tagMap = make(map[string]*models.TransactionTag)
+	}
+
+	allNewTransactions := make(models.ImportedTransactionSlice, 0, dataTable.TransactionRowCount())
+	allNewAccounts := make([]*models.Account, 0)
+	allNewSubExpenseCategories := make([]*models.TransactionCategory, 0)
+	allNewSubIncomeCategories := make([]*models.TransactionCategory, 0)
+	allNewSubTransferCategories := make([]*models.TransactionCategory, 0)
+	allNewTags := make([]*models.TransactionTag, 0)
+
+	dataRowIterator := dataTable.TransactionRowIterator()
+	dataRowIndex := 0
+
+	for dataRowIterator.HasNext() {
+		dataRowIndex++
+		dataRow, err := dataRowIterator.Next(ctx, user)
+
+		if err != nil {
+			log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] cannot parse data row \"index:%d\" for user \"uid:%d\", because %s", dataRowIndex, user.Uid, err.Error())
+			return nil, nil, nil, nil, nil, nil, err
+		}
+
+		if !dataRow.IsValid() {
+			continue
+		}
+
+		timezoneOffset := defaultTimezoneOffset
+
+		if dataTable.HasColumn(TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE) {
+			transactionTimezone, err := utils.ParseFromTimezoneOffset(dataRow.GetData(TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE))
+
+			if err != nil {
+				log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] cannot parse time zone \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE), dataRowIndex, user.Uid, err.Error())
+				return nil, nil, nil, nil, nil, nil, errs.ErrTransactionTimeZoneInvalid
+			}
+
+			timezoneOffset = utils.GetTimezoneOffsetMinutes(transactionTimezone)
+		}
+
+		transactionTime, err := utils.ParseFromLongDateTime(dataRow.GetData(TRANSACTION_DATA_TABLE_TRANSACTION_TIME), timezoneOffset)
+
+		if err != nil {
+			log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] cannot parse time \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(TRANSACTION_DATA_TABLE_TRANSACTION_TIME), dataRowIndex, user.Uid, err.Error())
+			return nil, nil, nil, nil, nil, nil, errs.ErrTransactionTimeInvalid
+		}
+
+		transactionDbType, err := c.getTransactionDbType(nameDbTypeMap, dataRow.GetData(TRANSACTION_DATA_TABLE_TRANSACTION_TYPE))
+
+		if err != nil {
+			log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] cannot parse transaction type \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(TRANSACTION_DATA_TABLE_TRANSACTION_TYPE), dataRowIndex, user.Uid, err.Error())
+			return nil, nil, nil, nil, nil, nil, errs.Or(err, errs.ErrTransactionTypeInvalid)
+		}
+
+		categoryId := int64(0)
+		subCategoryName := ""
+
+		if transactionDbType != models.TRANSACTION_DB_TYPE_MODIFY_BALANCE {
+			transactionCategoryType, err := c.getTransactionCategoryType(transactionDbType)
+
+			if err != nil {
+				log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] cannot parse transaction category type in data row \"index:%d\" for user \"uid:%d\", because %s", dataRowIndex, user.Uid, err.Error())
+				return nil, nil, nil, nil, nil, nil, errs.Or(err, errs.ErrTransactionTypeInvalid)
+			}
+
+			subCategoryName = dataRow.GetData(TRANSACTION_DATA_TABLE_SUB_CATEGORY)
+
+			if transactionDbType == models.TRANSACTION_DB_TYPE_EXPENSE {
+				subCategory, exists := expenseCategoryMap[subCategoryName]
+
+				if !exists {
+					subCategory = c.createNewTransactionCategoryModel(user.Uid, subCategoryName, transactionCategoryType)
+					allNewSubExpenseCategories = append(allNewSubExpenseCategories, subCategory)
+					expenseCategoryMap[subCategoryName] = subCategory
+				}
+
+				categoryId = subCategory.CategoryId
+			} else if transactionDbType == models.TRANSACTION_DB_TYPE_INCOME {
+				subCategory, exists := incomeCategoryMap[subCategoryName]
+
+				if !exists {
+					subCategory = c.createNewTransactionCategoryModel(user.Uid, subCategoryName, transactionCategoryType)
+					allNewSubIncomeCategories = append(allNewSubIncomeCategories, subCategory)
+					incomeCategoryMap[subCategoryName] = subCategory
+				}
+
+				categoryId = subCategory.CategoryId
+			} else if transactionDbType == models.TRANSACTION_DB_TYPE_TRANSFER_OUT {
+				subCategory, exists := transferCategoryMap[subCategoryName]
+
+				if !exists {
+					subCategory = c.createNewTransactionCategoryModel(user.Uid, subCategoryName, transactionCategoryType)
+					allNewSubTransferCategories = append(allNewSubTransferCategories, subCategory)
+					transferCategoryMap[subCategoryName] = subCategory
+				}
+
+				categoryId = subCategory.CategoryId
+			}
+		}
+
+		accountName := dataRow.GetData(TRANSACTION_DATA_TABLE_ACCOUNT_NAME)
+		accountCurrency := user.DefaultCurrency
+
+		if dataTable.HasColumn(TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY) {
+			accountCurrency = dataRow.GetData(TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY)
+
+			if _, ok := validators.AllCurrencyNames[accountCurrency]; !ok {
+				log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] account currency \"%s\" is not supported in data row \"index:%d\" for user \"uid:%d\"", accountCurrency, dataRowIndex, user.Uid)
+				return nil, nil, nil, nil, nil, nil, errs.ErrAccountCurrencyInvalid
+			}
+		}
+
+		account, exists := accountMap[accountName]
+
+		if !exists {
+			account = c.createNewAccountModel(user.Uid, accountName, accountCurrency)
+			allNewAccounts = append(allNewAccounts, account)
+			accountMap[accountName] = account
+		}
+
+		if dataTable.HasColumn(TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY) {
+			if account.Name != "" && account.Currency != accountCurrency {
+				log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] currency \"%s\" in data row \"index:%d\" not equals currency \"%s\" of the account for user \"uid:%d\"", accountCurrency, dataRowIndex, account.Currency, user.Uid)
+				return nil, nil, nil, nil, nil, nil, errs.ErrAccountCurrencyInvalid
+			}
+		} else if exists {
+			accountCurrency = account.Currency
+		}
+
+		amount, err := utils.ParseAmount(dataRow.GetData(TRANSACTION_DATA_TABLE_AMOUNT))
+
+		if err != nil {
+			log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] cannot parse acmount \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(TRANSACTION_DATA_TABLE_AMOUNT), dataRowIndex, user.Uid, err.Error())
+			return nil, nil, nil, nil, nil, nil, errs.ErrAmountInvalid
+		}
+
+		relatedAccountId := int64(0)
+		relatedAccountAmount := int64(0)
+		account2Name := ""
+		account2Currency := ""
+
+		if transactionDbType == models.TRANSACTION_DB_TYPE_TRANSFER_OUT {
+			account2Name = dataRow.GetData(TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME)
+			account2Currency = user.DefaultCurrency
+
+			if dataTable.HasColumn(TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY) {
+				account2Currency = dataRow.GetData(TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY)
+
+				if _, ok := validators.AllCurrencyNames[account2Currency]; !ok {
+					log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] account2 currency \"%s\" is not supported in data row \"index:%d\" for user \"uid:%d\"", account2Currency, dataRowIndex, user.Uid)
+					return nil, nil, nil, nil, nil, nil, errs.ErrAccountCurrencyInvalid
+				}
+			}
+
+			account2, exists := accountMap[account2Name]
+
+			if !exists {
+				account2 = c.createNewAccountModel(user.Uid, account2Name, account2Currency)
+				allNewAccounts = append(allNewAccounts, account2)
+				accountMap[account2Name] = account2
+			}
+
+			if dataTable.HasColumn(TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY) {
+				if account2.Name != "" && account2.Currency != account2Currency {
+					log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] currency \"%s\" in data row \"index:%d\" not equals currency \"%s\" of the account2 for user \"uid:%d\"", account2Currency, dataRowIndex, account2.Currency, user.Uid)
+					return nil, nil, nil, nil, nil, nil, errs.ErrAccountCurrencyInvalid
+				}
+			} else if exists {
+				account2Currency = account2.Currency
+			}
+
+			relatedAccountId = account2.AccountId
+
+			if dataTable.HasColumn(TRANSACTION_DATA_TABLE_RELATED_AMOUNT) {
+				relatedAccountAmount, err = utils.ParseAmount(dataRow.GetData(TRANSACTION_DATA_TABLE_RELATED_AMOUNT))
+
+				if err != nil {
+					log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] cannot parse acmount2 \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(TRANSACTION_DATA_TABLE_RELATED_AMOUNT), dataRowIndex, user.Uid, err.Error())
+					return nil, nil, nil, nil, nil, nil, errs.ErrAmountInvalid
+				}
+			} else if transactionDbType == models.TRANSACTION_DB_TYPE_TRANSFER_OUT {
+				relatedAccountAmount = amount
+			}
+		}
+
+		geoLongitude := float64(0)
+		geoLatitude := float64(0)
+
+		if dataTable.HasColumn(TRANSACTION_DATA_TABLE_GEOGRAPHIC_LOCATION) {
+			geoLocationItems := strings.Split(dataRow.GetData(TRANSACTION_DATA_TABLE_GEOGRAPHIC_LOCATION), c.geoLocationSeparator)
+
+			if len(geoLocationItems) == 2 {
+				geoLongitude, err = utils.StringToFloat64(geoLocationItems[0])
+
+				if err != nil {
+					log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] cannot parse geographic location \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(TRANSACTION_DATA_TABLE_GEOGRAPHIC_LOCATION), dataRowIndex, user.Uid, err.Error())
+					return nil, nil, nil, nil, nil, nil, errs.ErrGeographicLocationInvalid
+				}
+
+				geoLatitude, err = utils.StringToFloat64(geoLocationItems[1])
+
+				if err != nil {
+					log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] cannot parse geographic location \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(TRANSACTION_DATA_TABLE_GEOGRAPHIC_LOCATION), dataRowIndex, user.Uid, err.Error())
+					return nil, nil, nil, nil, nil, nil, errs.ErrGeographicLocationInvalid
+				}
+			}
+		}
+
+		var tagIds []string
+		var tagNames []string
+
+		if dataTable.HasColumn(TRANSACTION_DATA_TABLE_TAGS) {
+			tagNameItems := strings.Split(dataRow.GetData(TRANSACTION_DATA_TABLE_TAGS), c.transactionTagSeparator)
+
+			for i := 0; i < len(tagNameItems); i++ {
+				tagName := tagNameItems[i]
+
+				if tagName == "" {
+					continue
+				}
+
+				tag, exists := tagMap[tagName]
+
+				if !exists {
+					tag = c.createNewTransactionTagModel(user.Uid, tagName)
+					allNewTags = append(allNewTags, tag)
+					tagMap[tagName] = tag
+				}
+
+				if tag != nil {
+					tagIds = append(tagIds, utils.Int64ToString(tag.TagId))
+				}
+
+				tagNames = append(tagNames, tagName)
+			}
+		}
+
+		description := ""
+
+		if dataTable.HasColumn(TRANSACTION_DATA_TABLE_DESCRIPTION) {
+			description = dataRow.GetData(TRANSACTION_DATA_TABLE_DESCRIPTION)
+		}
+
+		transaction := &models.ImportTransaction{
+			Transaction: &models.Transaction{
+				Uid:                  user.Uid,
+				Type:                 transactionDbType,
+				CategoryId:           categoryId,
+				TransactionTime:      utils.GetMinTransactionTimeFromUnixTime(transactionTime.Unix()),
+				TimezoneUtcOffset:    timezoneOffset,
+				AccountId:            account.AccountId,
+				Amount:               amount,
+				HideAmount:           false,
+				RelatedAccountId:     relatedAccountId,
+				RelatedAccountAmount: relatedAccountAmount,
+				Comment:              description,
+				GeoLongitude:         geoLongitude,
+				GeoLatitude:          geoLatitude,
+				CreatedIp:            "127.0.0.1",
+			},
+			TagIds:                             tagIds,
+			OriginalCategoryName:               subCategoryName,
+			OriginalSourceAccountName:          accountName,
+			OriginalSourceAccountCurrency:      accountCurrency,
+			OriginalDestinationAccountName:     account2Name,
+			OriginalDestinationAccountCurrency: account2Currency,
+			OriginalTagNames:                   tagNames,
+		}
+
+		allNewTransactions = append(allNewTransactions, transaction)
+	}
+
+	if len(allNewTransactions) < 1 {
+		log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] no transaction data parsed for \"uid:%d\"", user.Uid)
+		return nil, nil, nil, nil, nil, nil, errs.ErrNotFoundTransactionDataInFile
+	}
+
+	sort.Sort(allNewTransactions)
+
+	return allNewTransactions, allNewAccounts, allNewSubExpenseCategories, allNewSubIncomeCategories, allNewSubTransferCategories, allNewTags, nil
+}
+
+func (c *DataTableTransactionDataImporter) buildTransactionTypeNameDbTypeMap() (map[string]models.TransactionDbType, error) {
+	if c.transactionTypeMapping == nil {
+		return nil, errs.ErrTransactionTypeInvalid
+	}
+
+	nameDbTypeMap := make(map[string]models.TransactionDbType, len(c.transactionTypeMapping))
+	nameDbTypeMap[c.transactionTypeMapping[models.TRANSACTION_TYPE_MODIFY_BALANCE]] = models.TRANSACTION_DB_TYPE_MODIFY_BALANCE
+	nameDbTypeMap[c.transactionTypeMapping[models.TRANSACTION_TYPE_INCOME]] = models.TRANSACTION_DB_TYPE_INCOME
+	nameDbTypeMap[c.transactionTypeMapping[models.TRANSACTION_TYPE_EXPENSE]] = models.TRANSACTION_DB_TYPE_EXPENSE
+	nameDbTypeMap[c.transactionTypeMapping[models.TRANSACTION_TYPE_TRANSFER]] = models.TRANSACTION_DB_TYPE_TRANSFER_OUT
+
+	return nameDbTypeMap, nil
+}
+
+func (c *DataTableTransactionDataImporter) getTransactionDbType(nameDbTypeMap map[string]models.TransactionDbType, transactionTypeName string) (models.TransactionDbType, error) {
+	transactionType, exists := nameDbTypeMap[transactionTypeName]
+
+	if !exists {
+		return 0, errs.ErrTransactionTypeInvalid
+	}
+
+	return transactionType, nil
+}
+
+func (c *DataTableTransactionDataImporter) getTransactionCategoryType(transactionType models.TransactionDbType) (models.TransactionCategoryType, error) {
+	if transactionType == models.TRANSACTION_DB_TYPE_INCOME {
+		return models.CATEGORY_TYPE_INCOME, nil
+	} else if transactionType == models.TRANSACTION_DB_TYPE_EXPENSE {
+		return models.CATEGORY_TYPE_EXPENSE, nil
+	} else if transactionType == models.TRANSACTION_DB_TYPE_TRANSFER_OUT {
+		return models.CATEGORY_TYPE_TRANSFER, nil
+	} else {
+		return 0, errs.ErrTransactionTypeInvalid
+	}
+}
+
+func (c *DataTableTransactionDataImporter) createNewAccountModel(uid int64, accountName string, currency string) *models.Account {
+	return &models.Account{
+		Uid:      uid,
+		Name:     accountName,
+		Currency: currency,
+	}
+}
+
+func (c *DataTableTransactionDataImporter) createNewTransactionCategoryModel(uid int64, categoryName string, transactionCategoryType models.TransactionCategoryType) *models.TransactionCategory {
+	return &models.TransactionCategory{
+		Uid:  uid,
+		Name: categoryName,
+		Type: transactionCategoryType,
+	}
+}
+
+func (c *DataTableTransactionDataImporter) createNewTransactionTagModel(uid int64, tagName string) *models.TransactionTag {
+	return &models.TransactionTag{
+		Uid:  uid,
+		Name: tagName,
+	}
+}

pkg/converters/datatable/imported_common_data_table.go

@@ -0,0 +1,107 @@
+package datatable
+
+// ImportedCommonDataTable defines the structure of imported common data table
+type ImportedCommonDataTable struct {
+	innerDataTable    ImportedDataTable
+	dataColumnIndexes map[string]int
+}
+
+// ImportedCommonDataRow defines the structure of imported common data row
+type ImportedCommonDataRow struct {
+	rowData map[string]string
+}
+
+// ImportedCommonDataRowIterator defines the structure of imported common data row iterator
+type ImportedCommonDataRowIterator struct {
+	commonDataTable *ImportedCommonDataTable
+	innerIterator   ImportedDataRowIterator
+}
+
+// HeaderColumnCount returns the total count of column in header row
+func (t *ImportedCommonDataTable) HeaderColumnCount() int {
+	return len(t.innerDataTable.HeaderColumnNames())
+}
+
+// HasColumn returns whether the data table has specified column name
+func (t *ImportedCommonDataTable) HasColumn(columnName string) bool {
+	index, exists := t.dataColumnIndexes[columnName]
+	return exists && index >= 0
+}
+
+// DataRowCount returns the total count of common data row
+func (t *ImportedCommonDataTable) DataRowCount() int {
+	return t.innerDataTable.DataRowCount()
+}
+
+// DataRowIterator returns the iterator of common data row
+func (t *ImportedCommonDataTable) DataRowIterator() CommonDataRowIterator {
+	return &ImportedCommonDataRowIterator{
+		commonDataTable: t,
+		innerIterator:   t.innerDataTable.DataRowIterator(),
+	}
+}
+
+// HasData returns whether the common data row has specified column data
+func (r *ImportedCommonDataRow) HasData(columnName string) bool {
+	_, exists := r.rowData[columnName]
+	return exists
+}
+
+// ColumnCount returns the total count of column in this data row
+func (r *ImportedCommonDataRow) ColumnCount() int {
+	return len(r.rowData)
+}
+
+// GetData returns the data in the specified column name
+func (r *ImportedCommonDataRow) GetData(columnName string) string {
+	return r.rowData[columnName]
+}
+
+// HasNext returns whether the iterator does not reach the end
+func (t *ImportedCommonDataRowIterator) HasNext() bool {
+	return t.innerIterator.HasNext()
+}
+
+// CurrentRowId returns current row id
+func (t *ImportedCommonDataRowIterator) CurrentRowId() string {
+	return t.innerIterator.CurrentRowId()
+}
+
+// Next returns the next common data row
+func (t *ImportedCommonDataRowIterator) Next() CommonDataRow {
+	importedRow := t.innerIterator.Next()
+
+	if importedRow == nil {
+		return nil
+	}
+
+	rowData := make(map[string]string, len(t.commonDataTable.dataColumnIndexes))
+
+	for column, columnIndex := range t.commonDataTable.dataColumnIndexes {
+		if columnIndex < 0 || columnIndex >= importedRow.ColumnCount() {
+			continue
+		}
+
+		value := importedRow.GetData(columnIndex)
+		rowData[column] = value
+	}
+
+	return &ImportedCommonDataRow{
+		rowData: rowData,
+	}
+}
+
+// CreateNewImportedCommonDataTable returns common data table from imported data table
+func CreateNewImportedCommonDataTable(dataTable ImportedDataTable) *ImportedCommonDataTable {
+	headerLineItems := dataTable.HeaderColumnNames()
+	dataColumnIndexes := make(map[string]int, len(headerLineItems))
+
+	for i := 0; i < len(headerLineItems); i++ {
+		dataColumnIndexes[headerLineItems[i]] = i
+	}
+
+	return &ImportedCommonDataTable{
+		innerDataTable:    dataTable,
+		dataColumnIndexes: dataColumnIndexes,
+	}
+}

pkg/converters/datatable/imported_data_table.go

@@ -0,0 +1,34 @@
+package datatable
+
+// ImportedDataTable defines the structure of imported data table
+type ImportedDataTable interface {
+	// DataRowCount returns the total count of data row
+	DataRowCount() int
+
+	// HeaderColumnNames returns the header column name list
+	HeaderColumnNames() []string
+
+	// DataRowIterator returns the iterator of data row
+	DataRowIterator() ImportedDataRowIterator
+}
+
+// ImportedDataRow defines the structure of imported data row
+type ImportedDataRow interface {
+	// ColumnCount returns the total count of column in this data row
+	ColumnCount() int
+
+	// GetData returns the data in the specified column index
+	GetData(columnIndex int) string
+}
+
+// ImportedDataRowIterator defines the structure of imported data row iterator
+type ImportedDataRowIterator interface {
+	// HasNext returns whether the iterator does not reach the end
+	HasNext() bool
+
+	// CurrentRowId returns current row id
+	CurrentRowId() string
+
+	// Next returns the next imported data row
+	Next() ImportedDataRow
+}

pkg/converters/datatable/imported_transaction_data_table.go

@@ -0,0 +1,188 @@
+package datatable
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+// ImportedTransactionDataTable defines the structure of imported transaction data table
+type ImportedTransactionDataTable struct {
+	innerDataTable    ImportedDataTable
+	dataColumnMapping map[TransactionDataTableColumn]string
+	dataColumnIndexes map[TransactionDataTableColumn]int
+	rowParser         TransactionDataRowParser
+	addedColumns      map[TransactionDataTableColumn]bool
+}
+
+// ImportedTransactionDataRow defines the structure of imported transaction data row
+type ImportedTransactionDataRow struct {
+	transactionDataTable *ImportedTransactionDataTable
+	rowData              map[TransactionDataTableColumn]string
+	rowDataValid         bool
+}
+
+// ImportedTransactionDataRowIterator defines the structure of imported transaction data row iterator
+type ImportedTransactionDataRowIterator struct {
+	transactionDataTable *ImportedTransactionDataTable
+	innerIterator        ImportedDataRowIterator
+}
+
+// HasColumn returns whether the data table has specified column
+func (t *ImportedTransactionDataTable) HasColumn(column TransactionDataTableColumn) bool {
+	index, exists := t.dataColumnIndexes[column]
+
+	if exists && index >= 0 {
+		return exists
+	}
+
+	if t.addedColumns != nil {
+		_, exists = t.addedColumns[column]
+
+		if exists {
+			return exists
+		}
+	}
+
+	return false
+}
+
+// TransactionRowCount returns the total count of transaction data row
+func (t *ImportedTransactionDataTable) TransactionRowCount() int {
+	return t.innerDataTable.DataRowCount()
+}
+
+// TransactionRowIterator returns the iterator of transaction data row
+func (t *ImportedTransactionDataTable) TransactionRowIterator() TransactionDataRowIterator {
+	return &ImportedTransactionDataRowIterator{
+		transactionDataTable: t,
+		innerIterator:        t.innerDataTable.DataRowIterator(),
+	}
+}
+
+// IsValid returns whether this row is valid data for importing
+func (r *ImportedTransactionDataRow) IsValid() bool {
+	return r.rowDataValid
+}
+
+// GetData returns the data in the specified column type
+func (r *ImportedTransactionDataRow) GetData(column TransactionDataTableColumn) string {
+	if !r.rowDataValid {
+		return ""
+	}
+
+	_, exists := r.transactionDataTable.dataColumnIndexes[column]
+
+	if exists {
+		return r.rowData[column]
+	}
+
+	if r.transactionDataTable.addedColumns != nil {
+		_, exists = r.transactionDataTable.addedColumns[column]
+
+		if exists {
+			return r.rowData[column]
+		}
+	}
+
+	return ""
+}
+
+// HasNext returns whether the iterator does not reach the end
+func (t *ImportedTransactionDataRowIterator) HasNext() bool {
+	return t.innerIterator.HasNext()
+}
+
+// Next returns the next transaction data row
+func (t *ImportedTransactionDataRowIterator) Next(ctx core.Context, user *models.User) (daraRow TransactionDataRow, err error) {
+	importedRow := t.innerIterator.Next()
+
+	if importedRow == nil {
+		return nil, nil
+	}
+
+	if importedRow.ColumnCount() == 1 && importedRow.GetData(0) == "" {
+		return &ImportedTransactionDataRow{
+			transactionDataTable: t.transactionDataTable,
+			rowData:              nil,
+			rowDataValid:         false,
+		}, nil
+	}
+
+	if importedRow.ColumnCount() < len(t.transactionDataTable.dataColumnIndexes) {
+		log.Errorf(ctx, "[imported_transaction_data_table.Next] cannot parse data row, because may missing some columns (column count %d in data row is less than header column count %d)", importedRow.ColumnCount(), len(t.transactionDataTable.dataColumnIndexes))
+		return nil, errs.ErrFewerFieldsInDataRowThanInHeaderRow
+	}
+
+	rowData := make(map[TransactionDataTableColumn]string, len(t.transactionDataTable.dataColumnIndexes))
+	rowDataValid := true
+
+	for column, columnIndex := range t.transactionDataTable.dataColumnIndexes {
+		if columnIndex < 0 || columnIndex >= importedRow.ColumnCount() {
+			continue
+		}
+
+		value := importedRow.GetData(columnIndex)
+		rowData[column] = value
+	}
+
+	if t.transactionDataTable.rowParser != nil {
+		rowData, rowDataValid, err = t.transactionDataTable.rowParser.Parse(rowData)
+
+		if err != nil {
+			log.Errorf(ctx, "[imported_transaction_data_table.Next] cannot parse data row, because %s", err.Error())
+			return nil, err
+		}
+	}
+
+	return &ImportedTransactionDataRow{
+		transactionDataTable: t.transactionDataTable,
+		rowData:              rowData,
+		rowDataValid:         rowDataValid,
+	}, nil
+}
+
+// CreateNewImportedTransactionDataTable returns transaction data table from imported data table
+func CreateNewImportedTransactionDataTable(dataTable ImportedDataTable, dataColumnMapping map[TransactionDataTableColumn]string) *ImportedTransactionDataTable {
+	return CreateNewImportedTransactionDataTableWithRowParser(dataTable, dataColumnMapping, nil)
+}
+
+// CreateNewImportedTransactionDataTableWithRowParser returns transaction data table from imported data table
+func CreateNewImportedTransactionDataTableWithRowParser(dataTable ImportedDataTable, dataColumnMapping map[TransactionDataTableColumn]string, rowParser TransactionDataRowParser) *ImportedTransactionDataTable {
+	headerLineItems := dataTable.HeaderColumnNames()
+	headerItemMap := make(map[string]int, len(headerLineItems))
+
+	for i := 0; i < len(headerLineItems); i++ {
+		headerItemMap[headerLineItems[i]] = i
+	}
+
+	dataColumnIndexes := make(map[TransactionDataTableColumn]int, len(headerLineItems))
+
+	for column, columnName := range dataColumnMapping {
+		columnIndex, exists := headerItemMap[columnName]
+
+		if exists {
+			dataColumnIndexes[column] = columnIndex
+		}
+	}
+
+	var addedColumns map[TransactionDataTableColumn]bool
+
+	if rowParser != nil {
+		addedColumnsByParser := rowParser.GetAddedColumns()
+		addedColumns = make(map[TransactionDataTableColumn]bool, len(addedColumnsByParser))
+
+		for i := 0; i < len(addedColumnsByParser); i++ {
+			addedColumns[addedColumnsByParser[i]] = true
+		}
+	}
+
+	return &ImportedTransactionDataTable{
+		innerDataTable:    dataTable,
+		dataColumnMapping: dataColumnMapping,
+		dataColumnIndexes: dataColumnIndexes,
+		rowParser:         rowParser,
+		addedColumns:      addedColumns,
+	}
+}

pkg/converters/datatable/transaction_data_table.go

@@ -0,0 +1,75 @@
+package datatable
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+// TransactionDataTable defines the structure of transaction data table
+type TransactionDataTable interface {
+	// HasColumn returns whether the transaction data table has specified column
+	HasColumn(column TransactionDataTableColumn) bool
+
+	// TransactionRowCount returns the total count of transaction data row
+	TransactionRowCount() int
+
+	// TransactionRowIterator returns the iterator of transaction data row
+	TransactionRowIterator() TransactionDataRowIterator
+}
+
+// TransactionDataRow defines the structure of transaction data row
+type TransactionDataRow interface {
+	// IsValid returns whether this row is valid data for importing
+	IsValid() bool
+
+	// GetData returns the data in the specified column type
+	GetData(column TransactionDataTableColumn) string
+}
+
+// TransactionDataRowIterator defines the structure of transaction data row iterator
+type TransactionDataRowIterator interface {
+	// HasNext returns whether the iterator does not reach the end
+	HasNext() bool
+
+	// Next returns the next transaction data row
+	Next(ctx core.Context, user *models.User) (daraRow TransactionDataRow, err error)
+}
+
+// TransactionDataRowParser defines the structure of transaction data row parser
+type TransactionDataRowParser interface {
+	// GetAddedColumns returns the added columns after converting the data row
+	GetAddedColumns() []TransactionDataTableColumn
+
+	// Parse returns the converted transaction data row
+	Parse(data map[TransactionDataTableColumn]string) (rowData map[TransactionDataTableColumn]string, rowDataValid bool, err error)
+}
+
+// TransactionDataTableBuilder defines the structure of data table builder
+type TransactionDataTableBuilder interface {
+	// AppendTransaction appends the specified transaction to data builder
+	AppendTransaction(data map[TransactionDataTableColumn]string)
+
+	// ReplaceDelimiters returns the text after removing the delimiters
+	ReplaceDelimiters(text string) string
+}
+
+// TransactionDataTableColumn represents the data column type of data table
+type TransactionDataTableColumn byte
+
+// Transaction data table columns
+const (
+	TRANSACTION_DATA_TABLE_TRANSACTION_TIME         TransactionDataTableColumn = 1
+	TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE     TransactionDataTableColumn = 2
+	TRANSACTION_DATA_TABLE_TRANSACTION_TYPE         TransactionDataTableColumn = 3
+	TRANSACTION_DATA_TABLE_CATEGORY                 TransactionDataTableColumn = 4
+	TRANSACTION_DATA_TABLE_SUB_CATEGORY             TransactionDataTableColumn = 5
+	TRANSACTION_DATA_TABLE_ACCOUNT_NAME             TransactionDataTableColumn = 6
+	TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY         TransactionDataTableColumn = 7
+	TRANSACTION_DATA_TABLE_AMOUNT                   TransactionDataTableColumn = 8
+	TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME     TransactionDataTableColumn = 9
+	TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY TransactionDataTableColumn = 10
+	TRANSACTION_DATA_TABLE_RELATED_AMOUNT           TransactionDataTableColumn = 11
+	TRANSACTION_DATA_TABLE_GEOGRAPHIC_LOCATION      TransactionDataTableColumn = 12
+	TRANSACTION_DATA_TABLE_TAGS                     TransactionDataTableColumn = 13
+	TRANSACTION_DATA_TABLE_DESCRIPTION              TransactionDataTableColumn = 14
+)

pkg/converters/datatable/writable_transaction_data_table.go

@@ -0,0 +1,210 @@
+package datatable
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+// WritableTransactionDataTable defines the structure of writable transaction data table
+type WritableTransactionDataTable struct {
+	allData          []map[TransactionDataTableColumn]string
+	supportedColumns map[TransactionDataTableColumn]bool
+	rowParser        TransactionDataRowParser
+	addedColumns     map[TransactionDataTableColumn]bool
+}
+
+// WritableTransactionDataRow defines the structure of transaction data row of writable data table
+type WritableTransactionDataRow struct {
+	dataTable    *WritableTransactionDataTable
+	rowData      map[TransactionDataTableColumn]string
+	rowDataValid bool
+}
+
+// WritableTransactionDataRowIterator defines the structure of transaction data row iterator of writable data table
+type WritableTransactionDataRowIterator struct {
+	dataTable *WritableTransactionDataTable
+	nextIndex int
+}
+
+// Add appends a new record to data table
+func (t *WritableTransactionDataTable) Add(data map[TransactionDataTableColumn]string) {
+	finalData := make(map[TransactionDataTableColumn]string, len(data))
+
+	for column, value := range data {
+		_, exists := t.supportedColumns[column]
+
+		if exists {
+			finalData[column] = value
+		}
+	}
+
+	t.allData = append(t.allData, finalData)
+}
+
+// Get returns the record in the specified index
+func (t *WritableTransactionDataTable) Get(index int) (*WritableTransactionDataRow, error) {
+	if index >= len(t.allData) {
+		return nil, nil
+	}
+
+	rowData := t.allData[index]
+	rowDataValid := true
+
+	if t.rowParser != nil {
+		var err error
+		rowData, rowDataValid, err = t.rowParser.Parse(rowData)
+
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return &WritableTransactionDataRow{
+		dataTable:    t,
+		rowData:      rowData,
+		rowDataValid: rowDataValid,
+	}, nil
+}
+
+// HasColumn returns whether the data table has specified column
+func (t *WritableTransactionDataTable) HasColumn(column TransactionDataTableColumn) bool {
+	_, exists := t.supportedColumns[column]
+
+	if exists {
+		return exists
+	}
+
+	if t.addedColumns != nil {
+		_, exists = t.addedColumns[column]
+
+		if exists {
+			return exists
+		}
+	}
+
+	return false
+}
+
+// TransactionRowCount returns the total count of transaction data row
+func (t *WritableTransactionDataTable) TransactionRowCount() int {
+	return len(t.allData)
+}
+
+// TransactionRowIterator returns the iterator of transaction data row
+func (t *WritableTransactionDataTable) TransactionRowIterator() TransactionDataRowIterator {
+	return &WritableTransactionDataRowIterator{
+		dataTable: t,
+		nextIndex: 0,
+	}
+}
+
+// ColumnCount returns the total count of column in this data row
+func (r *WritableTransactionDataRow) ColumnCount() int {
+	if !r.rowDataValid {
+		return 0
+	}
+
+	columnCount := 0
+
+	for column := range r.rowData {
+		if r.dataTable.supportedColumns[column] || r.dataTable.addedColumns[column] {
+			columnCount++
+		}
+	}
+
+	return columnCount
+}
+
+// IsValid returns whether this row is valid data for importing
+func (r *WritableTransactionDataRow) IsValid() bool {
+	return r.rowDataValid
+}
+
+// GetData returns the data in the specified column type
+func (r *WritableTransactionDataRow) GetData(column TransactionDataTableColumn) string {
+	if !r.rowDataValid {
+		return ""
+	}
+
+	_, exists := r.dataTable.supportedColumns[column]
+
+	if exists {
+		return r.rowData[column]
+	}
+
+	if r.dataTable.addedColumns != nil {
+		_, exists = r.dataTable.addedColumns[column]
+
+		if exists {
+			return r.rowData[column]
+		}
+	}
+
+	return ""
+}
+
+// HasNext returns whether the iterator does not reach the end
+func (t *WritableTransactionDataRowIterator) HasNext() bool {
+	return t.nextIndex < len(t.dataTable.allData)
+}
+
+// Next returns the next transaction data row
+func (t *WritableTransactionDataRowIterator) Next(ctx core.Context, user *models.User) (daraRow TransactionDataRow, err error) {
+	if t.nextIndex >= len(t.dataTable.allData) {
+		return nil, nil
+	}
+
+	rowData := t.dataTable.allData[t.nextIndex]
+	rowDataValid := true
+
+	if t.dataTable.rowParser != nil {
+		rowData, rowDataValid, err = t.dataTable.rowParser.Parse(rowData)
+
+		if err != nil {
+			log.Errorf(ctx, "[writable_transaction_data_table.Next] cannot parse data row, because %s", err.Error())
+			return nil, err
+		}
+	}
+
+	t.nextIndex++
+
+	return &WritableTransactionDataRow{
+		dataTable:    t.dataTable,
+		rowData:      rowData,
+		rowDataValid: rowDataValid,
+	}, nil
+}
+
+// CreateNewWritableTransactionDataTable returns a new writable transaction data table according to the specified columns
+func CreateNewWritableTransactionDataTable(columns []TransactionDataTableColumn) *WritableTransactionDataTable {
+	return CreateNewWritableTransactionDataTableWithRowParser(columns, nil)
+}
+
+// CreateNewWritableTransactionDataTableWithRowParser returns a new writable transaction data table according to the specified columns
+func CreateNewWritableTransactionDataTableWithRowParser(columns []TransactionDataTableColumn, rowParser TransactionDataRowParser) *WritableTransactionDataTable {
+	supportedColumns := make(map[TransactionDataTableColumn]bool, len(columns))
+
+	for i := 0; i < len(columns); i++ {
+		column := columns[i]
+		supportedColumns[column] = true
+	}
+
+	var addedColumns map[TransactionDataTableColumn]bool
+
+	if rowParser != nil {
+		addedColumnsByParser := rowParser.GetAddedColumns()
+		addedColumns = make(map[TransactionDataTableColumn]bool, len(addedColumnsByParser))
+
+		for i := 0; i < len(addedColumnsByParser); i++ {
+			addedColumns[addedColumnsByParser[i]] = true
+		}
+	}
+
+	return &WritableTransactionDataTable{
+		allData:          make([]map[TransactionDataTableColumn]string, 0),
+		supportedColumns: supportedColumns,
+		rowParser:        rowParser,
+		addedColumns:     addedColumns,
+	}
+}

pkg/converters/datatable/writable_transaction_data_table_test.go

@@ -0,0 +1,380 @@
+package datatable
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+// testDataRowParser defines the structure of test transaction data row parser
+type testDataRowParser struct {
+}
+
+// GetAddedColumns returns the added columns after converting the data row
+func (p *testDataRowParser) GetAddedColumns() []TransactionDataTableColumn {
+	return []TransactionDataTableColumn{
+		TRANSACTION_DATA_TABLE_DESCRIPTION,
+	}
+}
+
+// Parse returns the converted transaction data row
+func (p *testDataRowParser) Parse(data map[TransactionDataTableColumn]string) (rowData map[TransactionDataTableColumn]string, rowDataValid bool, err error) {
+	rowData = make(map[TransactionDataTableColumn]string, len(data))
+
+	for column, value := range data {
+		rowData[column] = value
+	}
+
+	if _, exists := rowData[TRANSACTION_DATA_TABLE_SUB_CATEGORY]; exists {
+		rowData[TRANSACTION_DATA_TABLE_SUB_CATEGORY] = "foo"
+	} else {
+		return nil, false, nil
+	}
+
+	rowData[TRANSACTION_DATA_TABLE_TAGS] = "test"
+	rowData[TRANSACTION_DATA_TABLE_DESCRIPTION] = "bar"
+
+	return rowData, true, nil
+}
+
+func TestWritableDataTableCreate(t *testing.T) {
+	columns := make([]TransactionDataTableColumn, 5)
+	columns[0] = TRANSACTION_DATA_TABLE_TRANSACTION_TIME
+	columns[1] = TRANSACTION_DATA_TABLE_TRANSACTION_TYPE
+	columns[2] = TRANSACTION_DATA_TABLE_SUB_CATEGORY
+	columns[3] = TRANSACTION_DATA_TABLE_ACCOUNT_NAME
+	columns[4] = TRANSACTION_DATA_TABLE_AMOUNT
+
+	writableDataTable := CreateNewWritableTransactionDataTable(columns)
+
+	assert.Equal(t, 0, writableDataTable.TransactionRowCount())
+	assert.True(t, writableDataTable.HasColumn(TRANSACTION_DATA_TABLE_TRANSACTION_TIME))
+	assert.True(t, writableDataTable.HasColumn(TRANSACTION_DATA_TABLE_TRANSACTION_TYPE))
+	assert.True(t, writableDataTable.HasColumn(TRANSACTION_DATA_TABLE_SUB_CATEGORY))
+	assert.True(t, writableDataTable.HasColumn(TRANSACTION_DATA_TABLE_ACCOUNT_NAME))
+	assert.True(t, writableDataTable.HasColumn(TRANSACTION_DATA_TABLE_AMOUNT))
+	assert.False(t, writableDataTable.HasColumn(TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE))
+	assert.False(t, writableDataTable.HasColumn(TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY))
+}
+
+func TestWritableDataTableAdd(t *testing.T) {
+	columns := make([]TransactionDataTableColumn, 5)
+	columns[0] = TRANSACTION_DATA_TABLE_TRANSACTION_TIME
+	columns[1] = TRANSACTION_DATA_TABLE_TRANSACTION_TYPE
+	columns[2] = TRANSACTION_DATA_TABLE_SUB_CATEGORY
+	columns[3] = TRANSACTION_DATA_TABLE_ACCOUNT_NAME
+	columns[4] = TRANSACTION_DATA_TABLE_AMOUNT
+
+	writableDataTable := CreateNewWritableTransactionDataTable(columns)
+
+	assert.Equal(t, 0, writableDataTable.TransactionRowCount())
+
+	expectedTransactionTime := "2024-09-01 01:23:45"
+	expectedTransactionType := "Expense"
+	expectedSubCategory := "Test Category"
+	expectedAccountName := "Test Account"
+	expectedAmount := "123.45"
+
+	writableDataTable.Add(map[TransactionDataTableColumn]string{
+		TRANSACTION_DATA_TABLE_TRANSACTION_TIME: expectedTransactionTime,
+		TRANSACTION_DATA_TABLE_TRANSACTION_TYPE: expectedTransactionType,
+		TRANSACTION_DATA_TABLE_SUB_CATEGORY:     expectedSubCategory,
+		TRANSACTION_DATA_TABLE_ACCOUNT_NAME:     expectedAccountName,
+		TRANSACTION_DATA_TABLE_AMOUNT:           expectedAmount,
+	})
+	assert.Equal(t, 1, writableDataTable.TransactionRowCount())
+
+	dataRow, err := writableDataTable.Get(0)
+	assert.Nil(t, err)
+
+	assert.True(t, dataRow.IsValid())
+
+	actualTransactionTime := dataRow.GetData(TRANSACTION_DATA_TABLE_TRANSACTION_TIME)
+	assert.Equal(t, expectedTransactionTime, actualTransactionTime)
+
+	actualTransactionType := dataRow.GetData(TRANSACTION_DATA_TABLE_TRANSACTION_TYPE)
+	assert.Equal(t, expectedTransactionType, actualTransactionType)
+
+	actualSubCategory := dataRow.GetData(TRANSACTION_DATA_TABLE_SUB_CATEGORY)
+	assert.Equal(t, expectedSubCategory, actualSubCategory)
+
+	actualAccountName := dataRow.GetData(TRANSACTION_DATA_TABLE_ACCOUNT_NAME)
+	assert.Equal(t, expectedAccountName, actualAccountName)
+
+	actualAmount := dataRow.GetData(TRANSACTION_DATA_TABLE_AMOUNT)
+	assert.Equal(t, expectedAmount, actualAmount)
+}
+
+func TestWritableDataTableAdd_NotExistsColumn(t *testing.T) {
+	columns := make([]TransactionDataTableColumn, 1)
+	columns[0] = TRANSACTION_DATA_TABLE_TRANSACTION_TIME
+
+	writableDataTable := CreateNewWritableTransactionDataTable(columns)
+
+	expectedTransactionUnixTime := time.Now().Unix()
+	expectedTextualTransactionTime := utils.FormatUnixTimeToLongDateTime(expectedTransactionUnixTime, time.Local)
+	expectedTransactionType := "Expense"
+
+	writableDataTable.Add(map[TransactionDataTableColumn]string{
+		TRANSACTION_DATA_TABLE_TRANSACTION_TIME: expectedTextualTransactionTime,
+		TRANSACTION_DATA_TABLE_TRANSACTION_TYPE: expectedTransactionType,
+	})
+	assert.Equal(t, 1, writableDataTable.TransactionRowCount())
+
+	dataRow, err := writableDataTable.Get(0)
+	assert.Nil(t, err)
+	assert.Equal(t, 1, dataRow.ColumnCount())
+}
+
+func TestWritableDataTableGet_NotExistsRow(t *testing.T) {
+	columns := make([]TransactionDataTableColumn, 1)
+	columns[0] = TRANSACTION_DATA_TABLE_TRANSACTION_TIME
+
+	writableDataTable := CreateNewWritableTransactionDataTable(columns)
+	assert.Equal(t, 0, writableDataTable.TransactionRowCount())
+
+	dataRow, err := writableDataTable.Get(0)
+	assert.Nil(t, err)
+	assert.Nil(t, dataRow)
+}
+
+func TestWritableDataRowGetData_NotExistsColumn(t *testing.T) {
+	columns := make([]TransactionDataTableColumn, 1)
+	columns[0] = TRANSACTION_DATA_TABLE_TRANSACTION_TIME
+
+	writableDataTable := CreateNewWritableTransactionDataTable(columns)
+
+	expectedTransactionUnixTime := time.Now().Unix()
+	expectedTextualTransactionTime := utils.FormatUnixTimeToLongDateTime(expectedTransactionUnixTime, time.Local)
+
+	writableDataTable.Add(map[TransactionDataTableColumn]string{
+		TRANSACTION_DATA_TABLE_TRANSACTION_TIME: expectedTextualTransactionTime,
+	})
+	assert.Equal(t, 1, writableDataTable.TransactionRowCount())
+
+	dataRow, err := writableDataTable.Get(0)
+	assert.Nil(t, err)
+	assert.Equal(t, 1, dataRow.ColumnCount())
+	assert.Equal(t, "", dataRow.GetData(TRANSACTION_DATA_TABLE_TRANSACTION_TYPE))
+}
+
+func TestWritableDataTableDataRowIterator(t *testing.T) {
+	columns := make([]TransactionDataTableColumn, 5)
+	columns[0] = TRANSACTION_DATA_TABLE_TRANSACTION_TIME
+	columns[1] = TRANSACTION_DATA_TABLE_TRANSACTION_TYPE
+	columns[2] = TRANSACTION_DATA_TABLE_SUB_CATEGORY
+	columns[3] = TRANSACTION_DATA_TABLE_ACCOUNT_NAME
+	columns[4] = TRANSACTION_DATA_TABLE_AMOUNT
+
+	writableDataTable := CreateNewWritableTransactionDataTable(columns)
+	assert.Equal(t, 0, writableDataTable.TransactionRowCount())
+
+	expectedTransactionUnixTimes := make([]int64, 3)
+	expectedTransactionTimes := make([]string, 3)
+	expectedTransactionTypes := make([]string, 3)
+	expectedSubCategories := make([]string, 3)
+	expectedAccountNames := make([]string, 3)
+	expectedAmounts := make([]string, 3)
+
+	expectedTransactionUnixTimes[0] = time.Now().Add(-5 * time.Hour).Unix()
+	expectedTransactionTimes[0] = utils.FormatUnixTimeToLongDateTime(expectedTransactionUnixTimes[0], time.Local)
+	expectedTransactionTypes[0] = "Balance Modification"
+	expectedSubCategories[0] = ""
+	expectedAccountNames[0] = "Test Account"
+	expectedAmounts[0] = "123.45"
+	writableDataTable.Add(map[TransactionDataTableColumn]string{
+		TRANSACTION_DATA_TABLE_TRANSACTION_TIME: expectedTransactionTimes[0],
+		TRANSACTION_DATA_TABLE_TRANSACTION_TYPE: expectedTransactionTypes[0],
+		TRANSACTION_DATA_TABLE_SUB_CATEGORY:     expectedSubCategories[0],
+		TRANSACTION_DATA_TABLE_ACCOUNT_NAME:     expectedAccountNames[0],
+		TRANSACTION_DATA_TABLE_AMOUNT:           expectedAmounts[0],
+	})
+
+	expectedTransactionUnixTimes[1] = time.Now().Add(-45 * time.Minute).Unix()
+	expectedTransactionTimes[1] = utils.FormatUnixTimeToLongDateTime(expectedTransactionUnixTimes[1], time.Local)
+	expectedTransactionTypes[1] = "Expense"
+	expectedSubCategories[1] = "Test Category2"
+	expectedAccountNames[1] = "Test Account"
+	expectedAmounts[1] = "-23.4"
+	writableDataTable.Add(map[TransactionDataTableColumn]string{
+		TRANSACTION_DATA_TABLE_TRANSACTION_TIME: expectedTransactionTimes[1],
+		TRANSACTION_DATA_TABLE_TRANSACTION_TYPE: expectedTransactionTypes[1],
+		TRANSACTION_DATA_TABLE_SUB_CATEGORY:     expectedSubCategories[1],
+		TRANSACTION_DATA_TABLE_ACCOUNT_NAME:     expectedAccountNames[1],
+		TRANSACTION_DATA_TABLE_AMOUNT:           expectedAmounts[1],
+	})
+
+	expectedTransactionUnixTimes[2] = time.Now().Unix()
+	expectedTransactionTimes[2] = utils.FormatUnixTimeToLongDateTime(expectedTransactionUnixTimes[2], time.Local)
+	expectedTransactionTypes[2] = "Income"
+	expectedSubCategories[2] = "Test Category3"
+	expectedAccountNames[2] = "Test Account2"
+	expectedAmounts[2] = "123"
+	writableDataTable.Add(map[TransactionDataTableColumn]string{
+		TRANSACTION_DATA_TABLE_TRANSACTION_TIME: expectedTransactionTimes[2],
+		TRANSACTION_DATA_TABLE_TRANSACTION_TYPE: expectedTransactionTypes[2],
+		TRANSACTION_DATA_TABLE_SUB_CATEGORY:     expectedSubCategories[2],
+		TRANSACTION_DATA_TABLE_ACCOUNT_NAME:     expectedAccountNames[2],
+		TRANSACTION_DATA_TABLE_AMOUNT:           expectedAmounts[2],
+	})
+	assert.Equal(t, 3, writableDataTable.TransactionRowCount())
+
+	index := 0
+	iterator := writableDataTable.TransactionRowIterator()
+
+	for iterator.HasNext() {
+		dataRow, err := iterator.Next(core.NewNullContext(), &models.User{})
+		assert.Nil(t, err)
+
+		actualTransactionTime := dataRow.GetData(TRANSACTION_DATA_TABLE_TRANSACTION_TIME)
+		assert.Equal(t, expectedTransactionTimes[index], actualTransactionTime)
+
+		actualTransactionType := dataRow.GetData(TRANSACTION_DATA_TABLE_TRANSACTION_TYPE)
+		assert.Equal(t, expectedTransactionTypes[index], actualTransactionType)
+
+		actualSubCategory := dataRow.GetData(TRANSACTION_DATA_TABLE_SUB_CATEGORY)
+		assert.Equal(t, expectedSubCategories[index], actualSubCategory)
+
+		actualAccountName := dataRow.GetData(TRANSACTION_DATA_TABLE_ACCOUNT_NAME)
+		assert.Equal(t, expectedAccountNames[index], actualAccountName)
+
+		actualAmount := dataRow.GetData(TRANSACTION_DATA_TABLE_AMOUNT)
+		assert.Equal(t, expectedAmounts[index], actualAmount)
+
+		index++
+	}
+
+	assert.Equal(t, 3, index)
+}
+
+func TestWritableDataTableWithRowParser(t *testing.T) {
+	columns := make([]TransactionDataTableColumn, 5)
+	columns[0] = TRANSACTION_DATA_TABLE_TRANSACTION_TIME
+	columns[1] = TRANSACTION_DATA_TABLE_TRANSACTION_TYPE
+	columns[2] = TRANSACTION_DATA_TABLE_SUB_CATEGORY
+	columns[3] = TRANSACTION_DATA_TABLE_ACCOUNT_NAME
+	columns[4] = TRANSACTION_DATA_TABLE_AMOUNT
+
+	writableDataTable := CreateNewWritableTransactionDataTableWithRowParser(columns, &testDataRowParser{})
+
+	assert.True(t, writableDataTable.HasColumn(TRANSACTION_DATA_TABLE_DESCRIPTION))
+	assert.False(t, writableDataTable.HasColumn(TRANSACTION_DATA_TABLE_TAGS))
+	assert.Equal(t, 0, writableDataTable.TransactionRowCount())
+
+	writableDataTable.Add(map[TransactionDataTableColumn]string{
+		TRANSACTION_DATA_TABLE_TRANSACTION_TIME: "2024-09-01 01:23:45",
+		TRANSACTION_DATA_TABLE_TRANSACTION_TYPE: "Expense",
+		TRANSACTION_DATA_TABLE_SUB_CATEGORY:     "Test Category",
+		TRANSACTION_DATA_TABLE_ACCOUNT_NAME:     "Test Account",
+		TRANSACTION_DATA_TABLE_AMOUNT:           "123.45",
+	})
+	assert.Equal(t, 1, writableDataTable.TransactionRowCount())
+
+	// first row
+	dataRow, err := writableDataTable.Get(0)
+	assert.Nil(t, err)
+	assert.True(t, dataRow.IsValid())
+	assert.Equal(t, 6, dataRow.ColumnCount())
+
+	actualSubCategory := dataRow.GetData(TRANSACTION_DATA_TABLE_SUB_CATEGORY)
+	assert.Equal(t, "foo", actualSubCategory)
+
+	actualTags := dataRow.GetData(TRANSACTION_DATA_TABLE_TAGS)
+	assert.Equal(t, "", actualTags)
+
+	actualDescription := dataRow.GetData(TRANSACTION_DATA_TABLE_DESCRIPTION)
+	assert.Equal(t, "bar", actualDescription)
+
+	writableDataTable.Add(map[TransactionDataTableColumn]string{
+		TRANSACTION_DATA_TABLE_TRANSACTION_TIME: "2024-09-01 12:34:56",
+		TRANSACTION_DATA_TABLE_TRANSACTION_TYPE: "Income",
+		TRANSACTION_DATA_TABLE_ACCOUNT_NAME:     "Test Account2",
+		TRANSACTION_DATA_TABLE_AMOUNT:           "0.12",
+	})
+	assert.Equal(t, 2, writableDataTable.TransactionRowCount())
+
+	// second row
+	dataRow, err = writableDataTable.Get(1)
+	assert.Nil(t, err)
+	assert.False(t, dataRow.IsValid())
+	assert.Equal(t, 0, dataRow.ColumnCount())
+
+	actualSubCategory = dataRow.GetData(TRANSACTION_DATA_TABLE_SUB_CATEGORY)
+	assert.Equal(t, "", actualSubCategory)
+
+	actualTags = dataRow.GetData(TRANSACTION_DATA_TABLE_TAGS)
+	assert.Equal(t, "", actualTags)
+
+	actualDescription = dataRow.GetData(TRANSACTION_DATA_TABLE_DESCRIPTION)
+	assert.Equal(t, "", actualDescription)
+}
+
+func TestWritableDataTableDataRowIteratorWithRowParser(t *testing.T) {
+	columns := make([]TransactionDataTableColumn, 5)
+	columns[0] = TRANSACTION_DATA_TABLE_TRANSACTION_TIME
+	columns[1] = TRANSACTION_DATA_TABLE_TRANSACTION_TYPE
+	columns[2] = TRANSACTION_DATA_TABLE_SUB_CATEGORY
+	columns[3] = TRANSACTION_DATA_TABLE_ACCOUNT_NAME
+	columns[4] = TRANSACTION_DATA_TABLE_AMOUNT
+
+	writableDataTable := CreateNewWritableTransactionDataTableWithRowParser(columns, &testDataRowParser{})
+
+	assert.True(t, writableDataTable.HasColumn(TRANSACTION_DATA_TABLE_DESCRIPTION))
+	assert.False(t, writableDataTable.HasColumn(TRANSACTION_DATA_TABLE_TAGS))
+	assert.Equal(t, 0, writableDataTable.TransactionRowCount())
+
+	writableDataTable.Add(map[TransactionDataTableColumn]string{
+		TRANSACTION_DATA_TABLE_TRANSACTION_TIME: "2024-09-01 01:23:45",
+		TRANSACTION_DATA_TABLE_TRANSACTION_TYPE: "Expense",
+		TRANSACTION_DATA_TABLE_SUB_CATEGORY:     "Test Category",
+		TRANSACTION_DATA_TABLE_ACCOUNT_NAME:     "Test Account",
+		TRANSACTION_DATA_TABLE_AMOUNT:           "123.45",
+	})
+
+	writableDataTable.Add(map[TransactionDataTableColumn]string{
+		TRANSACTION_DATA_TABLE_TRANSACTION_TIME: "2024-09-01 12:34:56",
+		TRANSACTION_DATA_TABLE_TRANSACTION_TYPE: "Income",
+		TRANSACTION_DATA_TABLE_ACCOUNT_NAME:     "Test Account2",
+		TRANSACTION_DATA_TABLE_AMOUNT:           "0.12",
+	})
+
+	iterator := writableDataTable.TransactionRowIterator()
+	assert.True(t, iterator.HasNext())
+
+	// first row
+	dataRow, err := iterator.Next(core.NewNullContext(), &models.User{})
+	assert.Nil(t, err)
+	assert.True(t, dataRow.IsValid())
+
+	actualSubCategory := dataRow.GetData(TRANSACTION_DATA_TABLE_SUB_CATEGORY)
+	assert.Equal(t, "foo", actualSubCategory)
+
+	actualTags := dataRow.GetData(TRANSACTION_DATA_TABLE_TAGS)
+	assert.Equal(t, "", actualTags)
+
+	actualDescription := dataRow.GetData(TRANSACTION_DATA_TABLE_DESCRIPTION)
+	assert.Equal(t, "bar", actualDescription)
+
+	assert.True(t, iterator.HasNext())
+
+	// second row
+	dataRow, err = iterator.Next(core.NewNullContext(), &models.User{})
+	assert.Nil(t, err)
+	assert.False(t, dataRow.IsValid())
+
+	actualSubCategory = dataRow.GetData(TRANSACTION_DATA_TABLE_SUB_CATEGORY)
+	assert.Equal(t, "", actualSubCategory)
+
+	actualTags = dataRow.GetData(TRANSACTION_DATA_TABLE_TAGS)
+	assert.Equal(t, "", actualTags)
+
+	actualDescription = dataRow.GetData(TRANSACTION_DATA_TABLE_DESCRIPTION)
+	assert.Equal(t, "", actualDescription)
+
+	assert.False(t, iterator.HasNext())
+}

pkg/converters/default/default_transaction_data_csv_file_converter.go

@@ -0,0 +1,15 @@
+package _default
+
+// defaultTransactionDataCSVFileConverter defines the structure of ezbookkeeping default csv file converter
+type defaultTransactionDataCSVFileConverter struct {
+	defaultTransactionDataPlainTextConverter
+}
+
+// Initialize an ezbookkeeping default transaction data csv file converter singleton instance
+var (
+	DefaultTransactionDataCSVFileConverter = &defaultTransactionDataCSVFileConverter{
+		defaultTransactionDataPlainTextConverter{
+			columnSeparator: ",",
+		},
+	}
+)

pkg/converters/default/default_transaction_data_plain_text_converter.go

@@ -0,0 +1,105 @@
+package _default
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+// defaultTransactionDataPlainTextConverter defines the structure of ezbookkeeping default plain text converter for transaction data
+type defaultTransactionDataPlainTextConverter struct {
+	columnSeparator string
+}
+
+const ezbookkeepingLineSeparator = "\n"
+const ezbookkeepingGeoLocationSeparator = " "
+const ezbookkeepingTagSeparator = ";"
+
+var ezbookkeepingDataColumnNameMapping = map[datatable.TransactionDataTableColumn]string{
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME:         "Time",
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE:     "Timezone",
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE:         "Type",
+	datatable.TRANSACTION_DATA_TABLE_CATEGORY:                 "Category",
+	datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY:             "Sub Category",
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME:             "Account",
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY:         "Account Currency",
+	datatable.TRANSACTION_DATA_TABLE_AMOUNT:                   "Amount",
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME:     "Account2",
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY: "Account2 Currency",
+	datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT:           "Account2 Amount",
+	datatable.TRANSACTION_DATA_TABLE_GEOGRAPHIC_LOCATION:      "Geographic Location",
+	datatable.TRANSACTION_DATA_TABLE_TAGS:                     "Tags",
+	datatable.TRANSACTION_DATA_TABLE_DESCRIPTION:              "Description",
+}
+
+var ezbookkeepingTransactionTypeNameMapping = map[models.TransactionType]string{
+	models.TRANSACTION_TYPE_MODIFY_BALANCE: "Balance Modification",
+	models.TRANSACTION_TYPE_INCOME:         "Income",
+	models.TRANSACTION_TYPE_EXPENSE:        "Expense",
+	models.TRANSACTION_TYPE_TRANSFER:       "Transfer",
+}
+
+var ezbookkeepingDataColumns = []datatable.TransactionDataTableColumn{
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME,
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE,
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE,
+	datatable.TRANSACTION_DATA_TABLE_CATEGORY,
+	datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY,
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME,
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY,
+	datatable.TRANSACTION_DATA_TABLE_AMOUNT,
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME,
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY,
+	datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT,
+	datatable.TRANSACTION_DATA_TABLE_GEOGRAPHIC_LOCATION,
+	datatable.TRANSACTION_DATA_TABLE_TAGS,
+	datatable.TRANSACTION_DATA_TABLE_DESCRIPTION,
+}
+
+// ToExportedContent returns the exported transaction plain text data
+func (c *defaultTransactionDataPlainTextConverter) ToExportedContent(ctx core.Context, uid int64, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexes map[int64][]int64) ([]byte, error) {
+	dataTableBuilder := createNewDefaultTransactionPlainTextDataTableBuilder(
+		len(transactions),
+		ezbookkeepingDataColumns,
+		ezbookkeepingDataColumnNameMapping,
+		c.columnSeparator,
+		ezbookkeepingLineSeparator,
+	)
+
+	dataTableExporter := datatable.CreateNewExporter(
+		ezbookkeepingTransactionTypeNameMapping,
+		ezbookkeepingGeoLocationSeparator,
+		ezbookkeepingTagSeparator,
+	)
+
+	err := dataTableExporter.BuildExportedContent(ctx, dataTableBuilder, uid, transactions, accountMap, categoryMap, tagMap, allTagIndexes)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return []byte(dataTableBuilder.String()), nil
+}
+
+// ParseImportedData returns the imported data by parsing the transaction plain text data
+func (c *defaultTransactionDataPlainTextConverter) ParseImportedData(ctx core.Context, user *models.User, data []byte, defaultTimezoneOffset int16, accountMap map[string]*models.Account, expenseCategoryMap map[string]*models.TransactionCategory, incomeCategoryMap map[string]*models.TransactionCategory, transferCategoryMap map[string]*models.TransactionCategory, tagMap map[string]*models.TransactionTag) (models.ImportedTransactionSlice, []*models.Account, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionTag, error) {
+	dataTable, err := createNewDefaultPlainTextDataTable(
+		string(data),
+		c.columnSeparator,
+		ezbookkeepingLineSeparator,
+	)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	transactionDataTable := datatable.CreateNewImportedTransactionDataTable(dataTable, ezbookkeepingDataColumnNameMapping)
+
+	dataTableImporter := datatable.CreateNewImporter(
+		ezbookkeepingTransactionTypeNameMapping,
+		ezbookkeepingGeoLocationSeparator,
+		ezbookkeepingTagSeparator,
+	)
+
+	return dataTableImporter.ParseImportedData(ctx, user, transactionDataTable, defaultTimezoneOffset, accountMap, expenseCategoryMap, incomeCategoryMap, transferCategoryMap, tagMap)
+}

pkg/converters/default/default_transaction_data_plain_text_converter_test.go

@@ -0,0 +1,520 @@
+package _default
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+func TestDefaultTransactionDataCSVFileConverterToExportedContent(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	transactions := make([]*models.Transaction, 3)
+	transactions[0] = &models.Transaction{
+		TransactionId:     1,
+		TransactionTime:   1725165296000,
+		Type:              models.TRANSACTION_DB_TYPE_INCOME,
+		TimezoneUtcOffset: 480,
+		CategoryId:        2,
+		AccountId:         1,
+		Amount:            12345,
+		GeoLongitude:      123.45,
+		GeoLatitude:       45.67,
+		Comment:           "Hello,World",
+	}
+	transactions[1] = &models.Transaction{
+		TransactionId:     2,
+		TransactionTime:   1725194096000,
+		Type:              models.TRANSACTION_DB_TYPE_EXPENSE,
+		TimezoneUtcOffset: 0,
+		CategoryId:        4,
+		AccountId:         1,
+		Amount:            -10,
+		GeoLongitude:      0,
+		GeoLatitude:       0,
+		Comment:           "Foo#Bar",
+	}
+	transactions[2] = &models.Transaction{
+		TransactionId:        3,
+		TransactionTime:      1725212096000,
+		Type:                 models.TRANSACTION_DB_TYPE_TRANSFER_OUT,
+		TimezoneUtcOffset:    -300,
+		CategoryId:           6,
+		AccountId:            1,
+		Amount:               12345,
+		RelatedAccountId:     2,
+		RelatedAccountAmount: 1735,
+		Comment:              "T\te\rs\nt\r\ntest",
+	}
+
+	accountMap := make(map[int64]*models.Account, 2)
+	accountMap[1] = &models.Account{
+		AccountId: 1,
+		Name:      "Test Account",
+		Currency:  "CNY",
+	}
+	accountMap[2] = &models.Account{
+		AccountId: 2,
+		Name:      "Test Account2",
+		Currency:  "USD",
+	}
+
+	categoryMap := make(map[int64]*models.TransactionCategory, 6)
+	categoryMap[1] = &models.TransactionCategory{
+		CategoryId: 1,
+		Type:       models.CATEGORY_TYPE_INCOME,
+		Name:       "Test Category",
+	}
+	categoryMap[2] = &models.TransactionCategory{
+		CategoryId:       2,
+		Type:             models.CATEGORY_TYPE_INCOME,
+		ParentCategoryId: 1,
+		Name:             "Test Sub Category",
+	}
+	categoryMap[3] = &models.TransactionCategory{
+		CategoryId: 3,
+		Type:       models.CATEGORY_TYPE_EXPENSE,
+		Name:       "Test Category2",
+	}
+	categoryMap[4] = &models.TransactionCategory{
+		CategoryId:       4,
+		Type:             models.CATEGORY_TYPE_EXPENSE,
+		ParentCategoryId: 3,
+		Name:             "Test Sub Category2",
+	}
+	categoryMap[5] = &models.TransactionCategory{
+		CategoryId: 5,
+		Type:       models.CATEGORY_TYPE_TRANSFER,
+		Name:       "Test Category3",
+	}
+	categoryMap[6] = &models.TransactionCategory{
+		CategoryId:       6,
+		Type:             models.CATEGORY_TYPE_TRANSFER,
+		ParentCategoryId: 5,
+		Name:             "Test Sub Category3",
+	}
+
+	tagMap := make(map[int64]*models.TransactionTag, 2)
+	tagMap[1] = &models.TransactionTag{
+		TagId: 1,
+		Name:  "Test,Tag",
+	}
+	tagMap[2] = &models.TransactionTag{
+		TagId: 2,
+		Name:  "Test;Tag2",
+	}
+
+	allTagIndexes := make(map[int64][]int64, 2)
+	allTagIndexes[1] = []int64{1, 2}
+	allTagIndexes[2] = []int64{3, 1, 4}
+	allTagIndexes[3] = []int64{2, 3}
+
+	expectedContent := "Time,Timezone,Type,Category,Sub Category,Account,Account Currency,Amount,Account2,Account2 Currency,Account2 Amount,Geographic Location,Tags,Description\n" +
+		"2024-09-01 12:34:56,+08:00,Income,Test Category,Test Sub Category,Test Account,CNY,123.45,,,,123.450000 45.670000,Test Tag;Test Tag2,Hello World\n" +
+		"2024-09-01 12:34:56,+00:00,Expense,Test Category2,Test Sub Category2,Test Account,CNY,-0.10,,,,,Test Tag,Foo#Bar\n" +
+		"2024-09-01 12:34:56,-05:00,Transfer,Test Category3,Test Sub Category3,Test Account,CNY,123.45,Test Account2,USD,17.35,,Test Tag2,T\te s t test\n"
+	actualContent, err := converter.ToExportedContent(context, 123, transactions, accountMap, categoryMap, tagMap, allTagIndexes)
+
+	assert.Nil(t, err)
+	assert.Equal(t, expectedContent, string(actualContent))
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_MinimumValidData(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, allNewAccounts, allNewSubExpenseCategories, allNewSubIncomeCategories, allNewSubTransferCategories, allNewTags, err := converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2,Account2 Amount\n"+
+		"2024-09-01 00:00:00,Balance Modification,,Test Account,123.45,,\n"+
+		"2024-09-01 01:23:45,Income,Test Category,Test Account,0.12,,\n"+
+		"2024-09-01 12:34:56,Expense,Test Category2,Test Account,1.00,,\n"+
+		"2024-09-01 23:59:59,Transfer,Test Category3,Test Account,0.05,Test Account2,0.05"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 4, len(allNewTransactions))
+	assert.Equal(t, 2, len(allNewAccounts))
+	assert.Equal(t, 1, len(allNewSubExpenseCategories))
+	assert.Equal(t, 1, len(allNewSubIncomeCategories))
+	assert.Equal(t, 1, len(allNewSubTransferCategories))
+	assert.Equal(t, 0, len(allNewTags))
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_MODIFY_BALANCE, allNewTransactions[0].Type)
+	assert.Equal(t, int64(1725148800), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[0].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[1].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[1].Type)
+	assert.Equal(t, int64(1725153825), utils.GetUnixTimeFromTransactionTime(allNewTransactions[1].TransactionTime))
+	assert.Equal(t, int64(12), allNewTransactions[1].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[1].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category", allNewTransactions[1].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[2].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[2].Type)
+	assert.Equal(t, int64(1725194096), utils.GetUnixTimeFromTransactionTime(allNewTransactions[2].TransactionTime))
+	assert.Equal(t, int64(100), allNewTransactions[2].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[2].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category2", allNewTransactions[2].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[3].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[3].Type)
+	assert.Equal(t, int64(1725235199), utils.GetUnixTimeFromTransactionTime(allNewTransactions[3].TransactionTime))
+	assert.Equal(t, int64(5), allNewTransactions[3].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[3].OriginalSourceAccountName)
+	assert.Equal(t, "Test Account2", allNewTransactions[3].OriginalDestinationAccountName)
+	assert.Equal(t, "Test Category3", allNewTransactions[3].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[0].Uid)
+	assert.Equal(t, "Test Account", allNewAccounts[0].Name)
+	assert.Equal(t, "CNY", allNewAccounts[0].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[1].Uid)
+	assert.Equal(t, "Test Account2", allNewAccounts[1].Name)
+	assert.Equal(t, "CNY", allNewAccounts[1].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewSubExpenseCategories[0].Uid)
+	assert.Equal(t, "Test Category2", allNewSubExpenseCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubIncomeCategories[0].Uid)
+	assert.Equal(t, "Test Category", allNewSubIncomeCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubTransferCategories[0].Uid)
+	assert.Equal(t, "Test Category3", allNewSubTransferCategories[0].Name)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseInvalidTime(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2,Account2 Amount\n"+
+		"2024-09-01T12:34:56,Expense,Test Category,Test Account,123.45,,"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2,Account2 Amount\n"+
+		"09/01/2024 12:34:56,Expense,Test Category,Test Account,123.45,,"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseInvalidType(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2,Account2 Amount\n"+
+		"2024-09-01 12:34:56,Type,Test Category,Test Account,123.45,,"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTypeInvalid.Message)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseValidTimezone(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Time,Timezone,Type,Sub Category,Account,Amount,Account2,Account2 Amount\n"+
+		"2024-09-01 12:34:56,-10:00,Expense,Test Category,Test Account,123.45,,"), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, int64(1725230096), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Timezone,Type,Sub Category,Account,Amount,Account2,Account2 Amount\n"+
+		"2024-09-01 12:34:56,+00:00,Expense,Test Category,Test Account,123.45,,"), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, int64(1725194096), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Timezone,Type,Sub Category,Account,Amount,Account2,Account2 Amount\n"+
+		"2024-09-01 12:34:56,+12:45,Expense,Test Category,Test Account,123.45,,"), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, int64(1725148196), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseInvalidTimezone(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Time,Timezone,Type,Sub Category,Account,Amount,Account2,Account2 Amount\n"+
+		"2024-09-01 12:34:56,Asia/Shanghai,Expense,Test Category,Test Account,123.45,,"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeZoneInvalid.Message)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseValidAccountCurrency(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, allNewAccounts, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Account Currency,Amount,Account2,Account2 Currency,Account2 Amount\n"+
+		"2024-09-01 01:23:45,Balance Modification,,Test Account,USD,123.45,,,\n"+
+		"2024-09-01 12:34:56,Transfer,Test Category2,Test Account,USD,1.23,Test Account2,EUR,1.10"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 2, len(allNewTransactions))
+	assert.Equal(t, 2, len(allNewAccounts))
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[0].Uid)
+	assert.Equal(t, "Test Account", allNewAccounts[0].Name)
+	assert.Equal(t, "USD", allNewAccounts[0].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[1].Uid)
+	assert.Equal(t, "Test Account2", allNewAccounts[1].Name)
+	assert.Equal(t, "EUR", allNewAccounts[1].Currency)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseInvalidAccountCurrency(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Account Currency,Amount,Account2,Account2 Currency,Account2 Amount\n"+
+		"2024-09-01 01:23:45,Balance Modification,,Test Account,USD,123.45,,,\n"+
+		"2024-09-01 12:34:56,Transfer,Test Category3,Test Account,CNY,1.23,Test Account2,EUR,1.10"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Account Currency,Amount,Account2,Account2 Currency,Account2 Amount\n"+
+		"2024-09-01 01:23:45,Balance Modification,,Test Account,USD,123.45,,,\n"+
+		"2024-09-01 12:34:56,Transfer,Test Category3,Test Account2,CNY,1.23,Test Account,EUR,1.10"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseNotSupportedCurrency(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Account Currency,Amount,Account2,Account2 Currency,Account2 Amount\n"+
+		"2024-09-01 01:23:45,Balance Modification,,Test Account,XXX,123.45,,,"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Account Currency,Amount,Account2,Account2 Currency,Account2 Amount\n"+
+		"2024-09-01 01:23:45,Transfer,Test Category,Test Account,USD,123.45,Test Account2,XXX,123.45"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseInvalidAmount(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2,Account2 Amount\n"+
+		"2024-09-01 12:34:56,Expense,Test Category,Test Account,123 45,,"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAmountInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2,Account2 Amount\n"+
+		"2024-09-01 12:34:56,Transfer,Test Category,Test Account,123.45,Test Account2,123 45"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAmountInvalid.Message)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseNoAmount2(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2\n"+
+		"2024-09-01 12:34:56,Expense,Test Category,Test Account,123.45,"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+	assert.Equal(t, int64(0), allNewTransactions[0].RelatedAccountAmount)
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2\n"+
+		"2024-09-01 12:34:56,Transfer,Test Category,Test Account,123.45,Test Account2"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+	assert.Equal(t, int64(12345), allNewTransactions[0].RelatedAccountAmount)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseValidGeographicLocation(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2,Account2 Amount,Geographic Location\n"+
+		"2024-09-01 12:34:56,Expense,Test Category,Test Account,123.45,,,123.45 45.56"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, 123.45, allNewTransactions[0].GeoLongitude)
+	assert.Equal(t, 45.56, allNewTransactions[0].GeoLatitude)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseInvalidGeographicLocation(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2,Account2 Amount,Geographic Location\n"+
+		"2024-09-01 12:34:56,Expense,Test Category,Test Account,123.45,,,1"), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, float64(0), allNewTransactions[0].GeoLongitude)
+	assert.Equal(t, float64(0), allNewTransactions[0].GeoLatitude)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2,Account2 Amount,Geographic Location\n"+
+		"2024-09-01 12:34:56,Expense,Test Category,Test Account,123.45,,,a b"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrGeographicLocationInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2,Account2 Amount,Geographic Location\n"+
+		"2024-09-01 12:34:56,Expense,Test Category,Test Account,123.45,,,1 "), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrGeographicLocationInvalid.Message)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseTag(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, allNewTags, err := converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2,Account2 Amount,Tags\n"+
+		"2024-09-01 00:00:00,Balance Modification,,Test Account,123.45,,,foo;;bar.;#test;hello\tworld;;"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 4, len(allNewTags))
+
+	assert.Equal(t, int64(1234567890), allNewTags[0].Uid)
+	assert.Equal(t, "foo", allNewTags[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewTags[1].Uid)
+	assert.Equal(t, "bar.", allNewTags[1].Name)
+
+	assert.Equal(t, int64(1234567890), allNewTags[2].Uid)
+	assert.Equal(t, "#test", allNewTags[2].Name)
+
+	assert.Equal(t, int64(1234567890), allNewTags[3].Uid)
+	assert.Equal(t, "hello\tworld", allNewTags[3].Name)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_ParseDescription(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Time,Type,Sub Category,Account,Amount,Account2,Account2 Amount,Description\n"+
+		"2024-09-01 12:34:56,Expense,Test Category,Test Account,123.45,,,foo    bar\t#test"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "foo    bar\t#test", allNewTransactions[0].Comment)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_MissingFileHeader(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrNotFoundTransactionDataInFile.Message)
+}
+
+func TestDefaultTransactionDataCSVFileConverterParseImportedData_MissingRequiredColumn(t *testing.T) {
+	converter := DefaultTransactionDataCSVFileConverter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	// Missing Time Column
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("Timezone,Type,Category,Sub Category,Account,Account Currency,Amount,Account2,Account2 Currency,Account2 Amount,Geographic Location,Tags,Description\n"+
+		"+08:00,Balance Modification,,Test Sub Category,Test Account,CNY,123.45,,,,,,"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Type Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Category,Sub Category,Account,Account Currency,Amount,Account2,Account2 Currency,Account2 Amount,Geographic Location,Tags,Description\n"+
+		"2024-09-01 00:00:00,+08:00,Test Category,Test Sub Category,Test Account,CNY,123.45,,,,,,"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Sub Category Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Type,Account,Account Currency,Amount,Account2,Account2 Currency,Account2 Amount,Geographic Location,Tags,Description\n"+
+		"2024-09-01 00:00:00,+08:00,Balance Modification,Test Account,CNY,123.45,,,,,,"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Account Name Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Timezone,Type,Category,Sub Category,Account Currency,Amount,Account2,Account2 Currency,Account2 Amount,Geographic Location,Tags,Description\n"+
+		"2024-09-01 00:00:00,+08:00,Balance Modification,,Test Sub Category,CNY,123.45,,,,,,"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Amount Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Timezone,Type,Category,Sub Category,Account,Account Currency,Account2,Account2 Currency,Account2 Amount,Geographic Location,Tags,Description\n"+
+		"2024-09-01 00:00:00,+08:00,Balance Modification,,Test Sub Category,Test Account,CNY,,,,,,"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Account2 Name Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("Time,Timezone,Type,Category,Sub Category,Account,Account Currency,Amount,Account2 Currency,Account2 Amount,Geographic Location,Tags,Description\n"+
+		"2024-09-01 00:00:00,+08:00,Balance Modification,,Test Sub Category,Test Account,CNY,123.45,,,,,"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+}

pkg/converters/default/default_transaction_data_tsv_file_converter.go

@@ -0,0 +1,15 @@
+package _default
+
+// defaultTransactionDataTSVFileConverter defines the structure of ezbookkeeping default tsv file converter
+type defaultTransactionDataTSVFileConverter struct {
+	defaultTransactionDataPlainTextConverter
+}
+
+// Initialize an ezbookkeeping default transaction data tsv file converter singleton instance
+var (
+	DefaultTransactionDataTSVFileConverter = &defaultTransactionDataTSVFileConverter{
+		defaultTransactionDataPlainTextConverter{
+			columnSeparator: "\t",
+		},
+	}
+)

pkg/converters/default/default_transaction_plain_text_data_table.go

@@ -0,0 +1,202 @@
+package _default
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+)
+
+// defaultPlainTextDataTable defines the structure of ezbookkeeping default plain text data table
+type defaultPlainTextDataTable struct {
+	columnSeparator       string
+	lineSeparator         string
+	allLines              []string
+	headerLineColumnNames []string
+}
+
+// defaultPlainTextDataRow defines the structure of ezbookkeeping default plain text data row
+type defaultPlainTextDataRow struct {
+	allItems []string
+}
+
+// defaultPlainTextDataRowIterator defines the structure of ezbookkeeping default plain text data row iterator
+type defaultPlainTextDataRowIterator struct {
+	dataTable    *defaultPlainTextDataTable
+	currentIndex int
+}
+
+// defaultTransactionPlainTextDataTableBuilder defines the structure of ezbookkeeping default transaction plain text data table builder
+type defaultTransactionPlainTextDataTableBuilder struct {
+	columnSeparator       string
+	lineSeparator         string
+	columns               []datatable.TransactionDataTableColumn
+	dataColumnNameMapping map[datatable.TransactionDataTableColumn]string
+	dataLineFormat        string
+	builder               *strings.Builder
+}
+
+// DataRowCount returns the total count of data row
+func (t *defaultPlainTextDataTable) DataRowCount() int {
+	if len(t.allLines) < 1 {
+		return 0
+	}
+
+	return len(t.allLines) - 1
+}
+
+// HeaderColumnNames returns the header column name list
+func (t *defaultPlainTextDataTable) HeaderColumnNames() []string {
+	return t.headerLineColumnNames
+}
+
+// DataRowIterator returns the iterator of data row
+func (t *defaultPlainTextDataTable) DataRowIterator() datatable.ImportedDataRowIterator {
+	return &defaultPlainTextDataRowIterator{
+		dataTable:    t,
+		currentIndex: 0,
+	}
+}
+
+// ColumnCount returns the total count of column in this data row
+func (r *defaultPlainTextDataRow) ColumnCount() int {
+	return len(r.allItems)
+}
+
+// GetData returns the data in the specified column index
+func (r *defaultPlainTextDataRow) GetData(columnIndex int) string {
+	if columnIndex >= len(r.allItems) {
+		return ""
+	}
+
+	return r.allItems[columnIndex]
+}
+
+// HasNext returns whether the iterator does not reach the end
+func (t *defaultPlainTextDataRowIterator) HasNext() bool {
+	return t.currentIndex+1 < len(t.dataTable.allLines)
+}
+
+// CurrentRowId returns current index
+func (t *defaultPlainTextDataRowIterator) CurrentRowId() string {
+	return fmt.Sprintf("line#%d", t.currentIndex)
+}
+
+// Next returns the next imported data row
+func (t *defaultPlainTextDataRowIterator) Next() datatable.ImportedDataRow {
+	if t.currentIndex+1 >= len(t.dataTable.allLines) {
+		return nil
+	}
+
+	t.currentIndex++
+
+	rowContent := t.dataTable.allLines[t.currentIndex]
+	rowItems := strings.Split(rowContent, t.dataTable.columnSeparator)
+
+	return &defaultPlainTextDataRow{
+		allItems: rowItems,
+	}
+}
+
+// AppendTransaction appends the specified transaction to data builder
+func (b *defaultTransactionPlainTextDataTableBuilder) AppendTransaction(data map[datatable.TransactionDataTableColumn]string) {
+	dataRowParams := make([]any, len(b.columns))
+
+	for i := 0; i < len(b.columns); i++ {
+		dataRowParams[i] = data[b.columns[i]]
+	}
+
+	b.builder.WriteString(fmt.Sprintf(b.dataLineFormat, dataRowParams...))
+}
+
+// ReplaceDelimiters returns the text after removing the delimiters
+func (b *defaultTransactionPlainTextDataTableBuilder) ReplaceDelimiters(text string) string {
+	text = strings.Replace(text, "\r\n", " ", -1)
+	text = strings.Replace(text, "\r", " ", -1)
+	text = strings.Replace(text, "\n", " ", -1)
+	text = strings.Replace(text, b.columnSeparator, " ", -1)
+	text = strings.Replace(text, b.lineSeparator, " ", -1)
+
+	return text
+}
+
+// String returns the textual representation of this data
+func (b *defaultTransactionPlainTextDataTableBuilder) String() string {
+	return b.builder.String()
+}
+
+func (b *defaultTransactionPlainTextDataTableBuilder) generateHeaderLine() string {
+	var ret strings.Builder
+
+	for i := 0; i < len(b.columns); i++ {
+		if ret.Len() > 0 {
+			ret.WriteString(b.columnSeparator)
+		}
+
+		dataColumn := b.columns[i]
+		columnName := b.dataColumnNameMapping[dataColumn]
+
+		ret.WriteString(columnName)
+	}
+
+	ret.WriteString(b.lineSeparator)
+
+	return ret.String()
+}
+
+func (b *defaultTransactionPlainTextDataTableBuilder) generateDataLineFormat() string {
+	var ret strings.Builder
+
+	for i := 0; i < len(b.columns); i++ {
+		if ret.Len() > 0 {
+			ret.WriteString(b.columnSeparator)
+		}
+
+		ret.WriteString("%s")
+	}
+
+	ret.WriteString(b.lineSeparator)
+
+	return ret.String()
+}
+
+func createNewDefaultPlainTextDataTable(content string, columnSeparator string, lineSeparator string) (*defaultPlainTextDataTable, error) {
+	allLines := strings.Split(content, lineSeparator)
+
+	if len(allLines) < 2 {
+		return nil, errs.ErrNotFoundTransactionDataInFile
+	}
+
+	headerLine := allLines[0]
+	headerLine = strings.ReplaceAll(headerLine, "\r", "")
+	headerLineItems := strings.Split(headerLine, columnSeparator)
+
+	return &defaultPlainTextDataTable{
+		columnSeparator:       columnSeparator,
+		lineSeparator:         lineSeparator,
+		allLines:              allLines,
+		headerLineColumnNames: headerLineItems,
+	}, nil
+}
+
+func createNewDefaultTransactionPlainTextDataTableBuilder(transactionCount int, columns []datatable.TransactionDataTableColumn, dataColumnNameMapping map[datatable.TransactionDataTableColumn]string, columnSeparator string, lineSeparator string) *defaultTransactionPlainTextDataTableBuilder {
+	var builder strings.Builder
+	builder.Grow(transactionCount * 100)
+
+	dataTableBuilder := &defaultTransactionPlainTextDataTableBuilder{
+		columnSeparator:       columnSeparator,
+		lineSeparator:         lineSeparator,
+		columns:               columns,
+		dataColumnNameMapping: dataColumnNameMapping,
+		builder:               &builder,
+	}
+
+	headerLine := dataTableBuilder.generateHeaderLine()
+	dataLineFormat := dataTableBuilder.generateDataLineFormat()
+
+	dataTableBuilder.builder.WriteString(headerLine)
+	dataTableBuilder.dataLineFormat = dataLineFormat
+
+	return dataTableBuilder
+}

pkg/converters/excel/excel_file_imported_data_table.go

@@ -0,0 +1,191 @@
+package excel
+
+import (
+	"bytes"
+	"fmt"
+
+	"github.com/extrame/xls"
+
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+)
+
+// ExcelFileImportedDataTable defines the structure of excel file data table
+type ExcelFileImportedDataTable struct {
+	workbook              *xls.WorkBook
+	headerLineColumnNames []string
+}
+
+// ExcelFileDataRow defines the structure of excel file data table row
+type ExcelFileDataRow struct {
+	sheet    *xls.WorkSheet
+	rowIndex int
+}
+
+// ExcelFileDataRowIterator defines the structure of excel file data table row iterator
+type ExcelFileDataRowIterator struct {
+	dataTable              *ExcelFileImportedDataTable
+	currentSheetIndex      int
+	currentRowIndexInSheet uint16
+}
+
+// DataRowCount returns the total count of data row
+func (t *ExcelFileImportedDataTable) DataRowCount() int {
+	totalDataRowCount := 0
+
+	for i := 0; i < t.workbook.NumSheets(); i++ {
+		sheet := t.workbook.GetSheet(i)
+
+		if sheet.MaxRow < 1 {
+			continue
+		}
+
+		totalDataRowCount += int(sheet.MaxRow)
+	}
+
+	return totalDataRowCount
+}
+
+// HeaderColumnNames returns the header column name list
+func (t *ExcelFileImportedDataTable) HeaderColumnNames() []string {
+	return t.headerLineColumnNames
+}
+
+// DataRowIterator returns the iterator of data row
+func (t *ExcelFileImportedDataTable) DataRowIterator() datatable.ImportedDataRowIterator {
+	return &ExcelFileDataRowIterator{
+		dataTable:              t,
+		currentSheetIndex:      0,
+		currentRowIndexInSheet: 0,
+	}
+}
+
+// ColumnCount returns the total count of column in this data row
+func (r *ExcelFileDataRow) ColumnCount() int {
+	row := r.sheet.Row(r.rowIndex)
+	return row.LastCol() + 1
+}
+
+// GetData returns the data in the specified column index
+func (r *ExcelFileDataRow) GetData(columnIndex int) string {
+	row := r.sheet.Row(r.rowIndex)
+	return row.Col(columnIndex)
+}
+
+// HasNext returns whether the iterator does not reach the end
+func (t *ExcelFileDataRowIterator) HasNext() bool {
+	workbook := t.dataTable.workbook
+
+	if t.currentSheetIndex >= workbook.NumSheets() {
+		return false
+	}
+
+	currentSheet := workbook.GetSheet(t.currentSheetIndex)
+
+	if t.currentRowIndexInSheet+1 <= currentSheet.MaxRow {
+		return true
+	}
+
+	for i := t.currentSheetIndex + 1; i < workbook.NumSheets(); i++ {
+		sheet := workbook.GetSheet(i)
+
+		if sheet.MaxRow < 1 {
+			continue
+		}
+
+		return true
+	}
+
+	return false
+}
+
+// CurrentRowId returns current index
+func (t *ExcelFileDataRowIterator) CurrentRowId() string {
+	return fmt.Sprintf("table#%d-row#%d", t.currentSheetIndex, t.currentRowIndexInSheet)
+}
+
+// Next returns the next imported data row
+func (t *ExcelFileDataRowIterator) Next() datatable.ImportedDataRow {
+	workbook := t.dataTable.workbook
+	currentRowIndexInTable := t.currentRowIndexInSheet
+
+	for i := t.currentSheetIndex; i < workbook.NumSheets(); i++ {
+		sheet := workbook.GetSheet(i)
+
+		if currentRowIndexInTable+1 <= sheet.MaxRow {
+			t.currentRowIndexInSheet++
+			currentRowIndexInTable = t.currentRowIndexInSheet
+			break
+		}
+
+		t.currentSheetIndex++
+		t.currentRowIndexInSheet = 0
+		currentRowIndexInTable = 0
+	}
+
+	if t.currentSheetIndex >= workbook.NumSheets() {
+		return nil
+	}
+
+	currentSheet := workbook.GetSheet(t.currentSheetIndex)
+
+	if t.currentRowIndexInSheet > currentSheet.MaxRow {
+		return nil
+	}
+
+	return &ExcelFileDataRow{
+		sheet:    currentSheet,
+		rowIndex: int(t.currentRowIndexInSheet),
+	}
+}
+
+// CreateNewExcelFileImportedDataTable returns excel xls data table by file binary data
+func CreateNewExcelFileImportedDataTable(data []byte) (*ExcelFileImportedDataTable, error) {
+	reader := bytes.NewReader(data)
+	workbook, err := xls.OpenReader(reader, "")
+
+	if err != nil {
+		return nil, err
+	}
+
+	var headerRowItems []string
+
+	for i := 0; i < workbook.NumSheets(); i++ {
+		sheet := workbook.GetSheet(i)
+
+		if sheet.MaxRow < 0 {
+			continue
+		}
+
+		row := sheet.Row(0)
+
+		if row == nil {
+			continue
+		}
+
+		if i == 0 {
+			for j := 0; j <= row.LastCol(); j++ {
+				headerItem := row.Col(j)
+
+				if headerItem == "" {
+					break
+				}
+
+				headerRowItems = append(headerRowItems, headerItem)
+			}
+		} else {
+			for j := 0; j <= min(row.LastCol(), len(headerRowItems)-1); j++ {
+				headerItem := row.Col(j)
+
+				if headerItem != headerRowItems[j] {
+					return nil, errs.ErrFieldsInMultiTableAreDifferent
+				}
+			}
+		}
+	}
+
+	return &ExcelFileImportedDataTable{
+		workbook:              workbook,
+		headerLineColumnNames: headerRowItems,
+	}, nil
+}

pkg/converters/excel/excel_file_imported_data_table_test.go

@@ -0,0 +1,246 @@
+package excel
+
+import (
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+)
+
+func TestExcelFileImportedDataTableDataRowCount(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/simple_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	assert.Nil(t, err)
+	assert.Equal(t, 2, datatable.DataRowCount())
+}
+
+func TestExcelFileImportedDataTableDataRowCount_MultipleSheets(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/multiple_sheets_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	assert.Nil(t, err)
+	assert.Equal(t, 5, datatable.DataRowCount())
+}
+
+func TestExcelFileImportedDataTableDataRowCount_OnlyHeaderLine(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/only_one_row_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	assert.Nil(t, err)
+	assert.Equal(t, 0, datatable.DataRowCount())
+}
+
+func TestExcelFileImportedDataTableDataRowCount_EmptyContent(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/empty_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	assert.Nil(t, err)
+	assert.Equal(t, 0, datatable.DataRowCount())
+}
+
+func TestExcelFileImportedDataTableHeaderColumnNames(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/simple_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	assert.EqualValues(t, []string{"A1", "B1", "C1"}, datatable.HeaderColumnNames())
+}
+
+func TestExcelFileImportedDataTableHeaderColumnNames_EmptyContent(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/empty_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	assert.Nil(t, datatable.HeaderColumnNames())
+}
+
+func TestExcelFileDataRowIterator(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/simple_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	iterator := datatable.DataRowIterator()
+	assert.True(t, iterator.HasNext())
+
+	// data row 1
+	assert.NotNil(t, iterator.Next())
+	assert.True(t, iterator.HasNext())
+
+	// data row 2
+	assert.NotNil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+
+	// not existed data row 3
+	assert.Nil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+
+	// not existed data row 4
+	assert.Nil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+}
+
+func TestExcelFileDataRowIterator_MultipleSheets(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/multiple_sheets_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	iterator := datatable.DataRowIterator()
+	assert.True(t, iterator.HasNext())
+
+	// sheet 1 data row 1
+	assert.NotNil(t, iterator.Next())
+	assert.True(t, iterator.HasNext())
+
+	// sheet 1 data row 2
+	assert.NotNil(t, iterator.Next())
+	assert.True(t, iterator.HasNext())
+
+	// sheet 3 data row 1
+	assert.NotNil(t, iterator.Next())
+	assert.True(t, iterator.HasNext())
+
+	// sheet 5 data row 1
+	assert.NotNil(t, iterator.Next())
+	assert.True(t, iterator.HasNext())
+
+	// sheet 5 data row 2
+	assert.NotNil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+
+	// not existed data row
+	assert.Nil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+
+	// not existed data row
+	assert.Nil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+}
+
+func TestExcelFileDataRowIterator_OnlyHeaderLine(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/only_one_row_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	iterator := datatable.DataRowIterator()
+	assert.False(t, iterator.HasNext())
+
+	// not existed data row 1
+	assert.Nil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+
+	// not existed data row 2
+	assert.Nil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+}
+
+func TestExcelFileDataRowIterator_EmptyContent(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/empty_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	iterator := datatable.DataRowIterator()
+	assert.False(t, iterator.HasNext())
+
+	// not existed data row 1
+	assert.Nil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+
+	// not existed data row 2
+	assert.Nil(t, iterator.Next())
+	assert.False(t, iterator.HasNext())
+}
+
+func TestExcelFileDataRowColumnCount(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/simple_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	iterator := datatable.DataRowIterator()
+
+	row1 := iterator.Next()
+	assert.EqualValues(t, 4, row1.ColumnCount())
+
+	row2 := iterator.Next()
+	assert.EqualValues(t, 4, row2.ColumnCount())
+}
+
+func TestExcelFileDataRowGetData(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/simple_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	iterator := datatable.DataRowIterator()
+
+	row1 := iterator.Next()
+	assert.Equal(t, "A2", row1.GetData(0))
+	assert.Equal(t, "B2", row1.GetData(1))
+	assert.Equal(t, "C2", row1.GetData(2))
+
+	row2 := iterator.Next()
+	assert.Equal(t, "A3", row2.GetData(0))
+	assert.Equal(t, "B3", row2.GetData(1))
+	assert.Equal(t, "C3", row2.GetData(2))
+}
+
+func TestExcelFileDataRowGetData_GetNotExistedColumnData(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/simple_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	iterator := datatable.DataRowIterator()
+
+	row1 := iterator.Next()
+	assert.Equal(t, "", row1.GetData(3))
+}
+
+func TestExcelFileDataRowGetData_MultipleSheets(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/multiple_sheets_excel_file.xls")
+	assert.Nil(t, err)
+
+	datatable, err := CreateNewExcelFileImportedDataTable(testdata)
+	iterator := datatable.DataRowIterator()
+
+	sheet1Row1 := iterator.Next()
+	assert.Equal(t, "1-A2", sheet1Row1.GetData(0))
+	assert.Equal(t, "1-B2", sheet1Row1.GetData(1))
+	assert.Equal(t, "1-C2", sheet1Row1.GetData(2))
+
+	sheet1Row2 := iterator.Next()
+	assert.Equal(t, "1-A3", sheet1Row2.GetData(0))
+	assert.Equal(t, "1-B3", sheet1Row2.GetData(1))
+	assert.Equal(t, "1-C3", sheet1Row2.GetData(2))
+
+	// skip empty sheet2
+
+	sheet3Row1 := iterator.Next()
+	assert.Equal(t, "3-A2", sheet3Row1.GetData(0))
+	assert.Equal(t, "3-B2", sheet3Row1.GetData(1))
+	assert.Equal(t, "", sheet3Row1.GetData(2))
+
+	// skip no data row sheet4
+
+	sheet5Row1 := iterator.Next()
+	assert.Equal(t, "5-A2", sheet5Row1.GetData(0))
+	assert.Equal(t, "5-B2", sheet5Row1.GetData(1))
+	assert.Equal(t, "5-C2", sheet5Row1.GetData(2))
+
+	sheet5Row2 := iterator.Next()
+	assert.Equal(t, "5-A3", sheet5Row2.GetData(0))
+	assert.Equal(t, "5-B3", sheet5Row2.GetData(1))
+	assert.Equal(t, "5-C3", sheet5Row2.GetData(2))
+}
+
+func TestCreateNewExcelFileImportedDataTable_MultipleSheetsWithDifferentHeaders(t *testing.T) {
+	testdata, err := os.ReadFile("../../../testdata/multiple_sheets_with_different_header_row_excel_file.xls")
+	assert.Nil(t, err)
+
+	_, err = CreateNewExcelFileImportedDataTable(testdata)
+	assert.EqualError(t, err, errs.ErrFieldsInMultiTableAreDifferent.Message)
+}

pkg/converters/ezbookkeeping_csv_file.go

@@ -1,17 +0,0 @@
-package converters
-
-import (
-	"github.com/mayswind/ezbookkeeping/pkg/models"
-)
-
-// EzBookKeepingCSVFileExporter defines the structure of CSV file exporter
-type EzBookKeepingCSVFileExporter struct {
-	EzBookKeepingPlainFileExporter
-}
-
-const csvSeparator = ","
-
-// ToExportedContent returns the exported CSV data
-func (e *EzBookKeepingCSVFileExporter) ToExportedContent(uid int64, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexes map[int64][]int64) ([]byte, error) {
-	return e.toExportedContent(uid, csvSeparator, transactions, accountMap, categoryMap, tagMap, allTagIndexes)
-}

pkg/converters/ezbookkeeping_plain_file.go

@@ -1,195 +0,0 @@
-package converters
-
-import (
-	"fmt"
-	"strings"
-	"time"
-
-	"github.com/mayswind/ezbookkeeping/pkg/models"
-	"github.com/mayswind/ezbookkeeping/pkg/utils"
-)
-
-// EzBookKeepingPlainFileExporter defines the structure of plain file exporter
-type EzBookKeepingPlainFileExporter struct {
-}
-
-const lineSeparator = "\n"
-const geoLocationSeparator = " "
-const transactionTagSeparator = ";"
-const headerLine = "Time,Timezone,Type,Category,Sub Category,Account,Account Currency,Amount,Account2,Account2 Currency,Account2 Amount,Geographic Location,Tags,Description" + lineSeparator
-const dataLineFormat = "%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s" + lineSeparator
-
-// toExportedContent returns the exported plain data
-func (e *EzBookKeepingPlainFileExporter) toExportedContent(uid int64, separator string, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexes map[int64][]int64) ([]byte, error) {
-	var ret strings.Builder
-
-	ret.Grow(len(transactions) * 100)
-
-	actualHeaderLine := headerLine
-	actualDataLineFormat := dataLineFormat
-
-	if separator != "," {
-		actualHeaderLine = strings.Replace(headerLine, ",", separator, -1)
-		actualDataLineFormat = strings.Replace(dataLineFormat, ",", separator, -1)
-	}
-
-	ret.WriteString(actualHeaderLine)
-
-	for i := 0; i < len(transactions); i++ {
-		transaction := transactions[i]
-
-		if transaction.Type == models.TRANSACTION_DB_TYPE_TRANSFER_IN {
-			continue
-		}
-
-		transactionTimeZone := time.FixedZone("Transaction Timezone", int(transaction.TimezoneUtcOffset)*60)
-		transactionTime := utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(transaction.TransactionTime), transactionTimeZone)
-		transactionTimezone := utils.FormatTimezoneOffset(transactionTimeZone)
-		transactionType := e.getTransactionTypeName(transaction.Type)
-		category := e.replaceDelimiters(e.getTransactionCategoryName(transaction.CategoryId, categoryMap), separator)
-		subCategory := e.replaceDelimiters(e.getTransactionSubCategoryName(transaction.CategoryId, categoryMap), separator)
-		account := e.replaceDelimiters(e.getAccountName(transaction.AccountId, accountMap), separator)
-		accountCurrency := e.getAccountCurrency(transaction.AccountId, accountMap)
-		amount := e.getDisplayAmount(transaction.Amount)
-		account2 := ""
-		account2Currency := ""
-		account2Amount := ""
-		geoLocation := ""
-
-		if transaction.Type == models.TRANSACTION_DB_TYPE_TRANSFER_OUT {
-			account2 = e.replaceDelimiters(e.getAccountName(transaction.RelatedAccountId, accountMap), separator)
-			account2Currency = e.getAccountCurrency(transaction.RelatedAccountId, accountMap)
-			account2Amount = e.getDisplayAmount(transaction.RelatedAccountAmount)
-		}
-
-		if transaction.GeoLongitude != 0 || transaction.GeoLatitude != 0 {
-			geoLocation = fmt.Sprintf("%f%s%f", transaction.GeoLongitude, geoLocationSeparator, transaction.GeoLatitude)
-		}
-
-		tags := e.replaceDelimiters(e.getTags(transaction.TransactionId, allTagIndexes, tagMap), separator)
-		comment := e.replaceDelimiters(transaction.Comment, separator)
-
-		ret.WriteString(fmt.Sprintf(actualDataLineFormat, transactionTime, transactionTimezone, transactionType, category, subCategory, account, accountCurrency, amount, account2, account2Currency, account2Amount, geoLocation, tags, comment))
-	}
-
-	return []byte(ret.String()), nil
-}
-
-func (e *EzBookKeepingPlainFileExporter) getTransactionTypeName(transactionDbType models.TransactionDbType) string {
-	if transactionDbType == models.TRANSACTION_DB_TYPE_MODIFY_BALANCE {
-		return "Balance Modification"
-	} else if transactionDbType == models.TRANSACTION_DB_TYPE_INCOME {
-		return "Income"
-	} else if transactionDbType == models.TRANSACTION_DB_TYPE_EXPENSE {
-		return "Expense"
-	} else if transactionDbType == models.TRANSACTION_DB_TYPE_TRANSFER_OUT || transactionDbType == models.TRANSACTION_DB_TYPE_TRANSFER_IN {
-		return "Transfer"
-	} else {
-		return ""
-	}
-}
-
-func (e *EzBookKeepingPlainFileExporter) getTransactionCategoryName(categoryId int64, categoryMap map[int64]*models.TransactionCategory) string {
-	category, exists := categoryMap[categoryId]
-
-	if !exists {
-		return ""
-	}
-
-	if category.ParentCategoryId == 0 {
-		return category.Name
-	}
-
-	parentCategory, exists := categoryMap[category.ParentCategoryId]
-
-	if !exists {
-		return ""
-	}
-
-	return parentCategory.Name
-}
-
-func (e *EzBookKeepingPlainFileExporter) getTransactionSubCategoryName(categoryId int64, categoryMap map[int64]*models.TransactionCategory) string {
-	category, exists := categoryMap[categoryId]
-
-	if exists {
-		return category.Name
-	} else {
-		return ""
-	}
-}
-
-func (e *EzBookKeepingPlainFileExporter) getAccountName(accountId int64, accountMap map[int64]*models.Account) string {
-	account, exists := accountMap[accountId]
-
-	if exists {
-		return account.Name
-	} else {
-		return ""
-	}
-}
-
-func (e *EzBookKeepingPlainFileExporter) getAccountCurrency(accountId int64, accountMap map[int64]*models.Account) string {
-	account, exists := accountMap[accountId]
-
-	if exists {
-		return account.Currency
-	} else {
-		return ""
-	}
-}
-
-func (e *EzBookKeepingPlainFileExporter) getDisplayAmount(amount int64) string {
-	displayAmount := utils.Int64ToString(amount)
-	integer := utils.SubString(displayAmount, 0, len(displayAmount)-2)
-	decimals := utils.SubString(displayAmount, -2, 2)
-
-	if integer == "" {
-		integer = "0"
-	} else if integer == "-" {
-		integer = "-0"
-	}
-
-	if len(decimals) == 0 {
-		decimals = "00"
-	} else if len(decimals) == 1 {
-		decimals = "0" + decimals
-	}
-
-	return integer + "." + decimals
-}
-
-func (e *EzBookKeepingPlainFileExporter) getTags(transactionId int64, allTagIndexes map[int64][]int64, tagMap map[int64]*models.TransactionTag) string {
-	tagIndexes, exists := allTagIndexes[transactionId]
-
-	if !exists {
-		return ""
-	}
-
-	var ret strings.Builder
-
-	for i := 0; i < len(tagIndexes); i++ {
-		if i > 0 {
-			ret.WriteString(transactionTagSeparator)
-		}
-
-		tagIndex := tagIndexes[i]
-		tag, exists := tagMap[tagIndex]
-
-		if !exists {
-			continue
-		}
-
-		ret.WriteString(tag.Name)
-	}
-
-	return ret.String()
-}
-
-func (e *EzBookKeepingPlainFileExporter) replaceDelimiters(text string, separator string) string {
-	text = strings.Replace(text, separator, " ", -1)
-	text = strings.Replace(text, "\r\n", " ", -1)
-	text = strings.Replace(text, "\n", " ", -1)
-
-	return text
-}

pkg/converters/ezbookkeeping_tsv_file.go

@@ -1,17 +0,0 @@
-package converters
-
-import (
-	"github.com/mayswind/ezbookkeeping/pkg/models"
-)
-
-// EzBookKeepingTSVFileExporter defines the structure of TSV file exporter
-type EzBookKeepingTSVFileExporter struct {
-	EzBookKeepingPlainFileExporter
-}
-
-const tsvSeparator = "\t"
-
-// ToExportedContent returns the exported TSV data
-func (e *EzBookKeepingTSVFileExporter) ToExportedContent(uid int64, transactions []*models.Transaction, accountMap map[int64]*models.Account, categoryMap map[int64]*models.TransactionCategory, tagMap map[int64]*models.TransactionTag, allTagIndexes map[int64][]int64) ([]byte, error) {
-	return e.toExportedContent(uid, tsvSeparator, transactions, accountMap, categoryMap, tagMap, allTagIndexes)
-}

pkg/converters/feidee/feidee_mymoney_app_transaction_data_csv_file_importer.go

@@ -0,0 +1,268 @@
+package feidee
+
+import (
+	"bytes"
+	"encoding/csv"
+	"golang.org/x/text/encoding/unicode"
+	"golang.org/x/text/transform"
+	"io"
+	"strings"
+
+	csvdatatable "github.com/mayswind/ezbookkeeping/pkg/converters/csv"
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+const feideeMymoneyAppTransactionDataCsvFileHeader = "随手记导出文件(headers:v5;"
+
+const feideeMymoneyAppTransactionTimeColumnName = "日期"
+const feideeMymoneyAppTransactionTypeColumnName = "交易类型"
+const feideeMymoneyAppTransactionCategoryColumnName = "类别"
+const feideeMymoneyAppTransactionSubCategoryColumnName = "子类别"
+const feideeMymoneyAppTransactionAccountNameColumnName = "账户"
+const feideeMymoneyAppTransactionAccountCurrencyColumnName = "账户币种"
+const feideeMymoneyAppTransactionAmountColumnName = "金额"
+const feideeMymoneyAppTransactionDescriptionColumnName = "备注"
+const feideeMymoneyAppTransactionRelatedIdColumnName = "关联Id"
+
+const feideeMymoneyAppTransactionTypeModifyBalanceText = "余额变更"
+const feideeMymoneyAppTransactionTypeIncomeText = "收入"
+const feideeMymoneyAppTransactionTypeExpenseText = "支出"
+const feideeMymoneyAppTransactionTypeTransferInText = "转入"
+const feideeMymoneyAppTransactionTypeTransferOutText = "转出"
+
+var feideeMymoneyAppDataColumnNameMapping = map[datatable.TransactionDataTableColumn]string{
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME: feideeMymoneyAppTransactionTimeColumnName,
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE: feideeMymoneyAppTransactionTypeColumnName,
+	datatable.TRANSACTION_DATA_TABLE_CATEGORY:         feideeMymoneyAppTransactionCategoryColumnName,
+	datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY:     feideeMymoneyAppTransactionSubCategoryColumnName,
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME:     feideeMymoneyAppTransactionAccountNameColumnName,
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY: feideeMymoneyAppTransactionAccountCurrencyColumnName,
+	datatable.TRANSACTION_DATA_TABLE_AMOUNT:           feideeMymoneyAppTransactionAmountColumnName,
+	datatable.TRANSACTION_DATA_TABLE_DESCRIPTION:      feideeMymoneyAppTransactionDescriptionColumnName,
+}
+
+// feideeMymoneyAppTransactionDataCsvFileImporter defines the structure of feidee mymoney app csv importer for transaction data
+type feideeMymoneyAppTransactionDataCsvFileImporter struct{}
+
+// Initialize a feidee mymoney app transaction data csv file importer singleton instance
+var (
+	FeideeMymoneyAppTransactionDataCsvFileImporter = &feideeMymoneyAppTransactionDataCsvFileImporter{}
+)
+
+// ParseImportedData returns the imported data by parsing the feidee mymoney app transaction csv data
+func (c *feideeMymoneyAppTransactionDataCsvFileImporter) ParseImportedData(ctx core.Context, user *models.User, data []byte, defaultTimezoneOffset int16, accountMap map[string]*models.Account, expenseCategoryMap map[string]*models.TransactionCategory, incomeCategoryMap map[string]*models.TransactionCategory, transferCategoryMap map[string]*models.TransactionCategory, tagMap map[string]*models.TransactionTag) (models.ImportedTransactionSlice, []*models.Account, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionTag, error) {
+	fallback := unicode.UTF8.NewDecoder()
+	reader := transform.NewReader(bytes.NewReader(data), unicode.BOMOverride(fallback))
+
+	dataTable, err := c.createNewFeideeMymoneyAppImportedDataTable(ctx, reader)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	commonDataTable := datatable.CreateNewImportedCommonDataTable(dataTable)
+
+	if !commonDataTable.HasColumn(feideeMymoneyAppTransactionTimeColumnName) ||
+		!commonDataTable.HasColumn(feideeMymoneyAppTransactionTypeColumnName) ||
+		!commonDataTable.HasColumn(feideeMymoneyAppTransactionSubCategoryColumnName) ||
+		!commonDataTable.HasColumn(feideeMymoneyAppTransactionAccountNameColumnName) ||
+		!commonDataTable.HasColumn(feideeMymoneyAppTransactionAmountColumnName) ||
+		!commonDataTable.HasColumn(feideeMymoneyAppTransactionRelatedIdColumnName) {
+		log.Errorf(ctx, "[feidee_mymoney_app_transaction_data_csv_file_importer.ParseImportedData] cannot parse import data, because missing essential columns in header row")
+		return nil, nil, nil, nil, nil, nil, errs.ErrMissingRequiredFieldInHeaderRow
+	}
+
+	transactionDataTable, err := c.createNewFeideeMymoneyAppTransactionDataTable(ctx, commonDataTable)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	dataTableImporter := datatable.CreateNewSimpleImporter(feideeMymoneyTransactionTypeNameMapping)
+
+	return dataTableImporter.ParseImportedData(ctx, user, transactionDataTable, defaultTimezoneOffset, accountMap, expenseCategoryMap, incomeCategoryMap, transferCategoryMap, tagMap)
+}
+
+func (c *feideeMymoneyAppTransactionDataCsvFileImporter) createNewFeideeMymoneyAppImportedDataTable(ctx core.Context, reader io.Reader) (datatable.ImportedDataTable, error) {
+	csvReader := csv.NewReader(reader)
+	csvReader.FieldsPerRecord = -1
+
+	allOriginalLines := make([][]string, 0)
+	hasFileHeader := false
+
+	for {
+		items, err := csvReader.Read()
+
+		if err == io.EOF {
+			break
+		}
+
+		if err != nil {
+			log.Errorf(ctx, "[feidee_mymoney_app_transaction_data_csv_file_importer.createNewFeideeMymoneyAppTransactionDataTable] cannot parse feidee mymoney csv data, because %s", err.Error())
+			return nil, errs.ErrInvalidCSVFile
+		}
+
+		if !hasFileHeader {
+			if len(items) <= 0 {
+				continue
+			} else if strings.Index(items[0], feideeMymoneyAppTransactionDataCsvFileHeader) == 0 {
+				hasFileHeader = true
+				continue
+			} else {
+				log.Warnf(ctx, "[feidee_mymoney_app_transaction_data_csv_file_importer.createNewFeideeMymoneyAppTransactionDataTable] read unexpected line before read file header, line content is %s", strings.Join(items, ","))
+				continue
+			}
+		}
+
+		allOriginalLines = append(allOriginalLines, items)
+	}
+
+	if !hasFileHeader {
+		return nil, errs.ErrInvalidFileHeader
+	}
+
+	if len(allOriginalLines) < 2 {
+		log.Errorf(ctx, "[feidee_mymoney_app_transaction_data_csv_file_importer.createNewFeideeMymoneyAppTransactionDataTable] cannot parse import data, because data table row count is less 1")
+		return nil, errs.ErrNotFoundTransactionDataInFile
+	}
+
+	dataTable := csvdatatable.CreateNewCustomCsvImportedDataTable(allOriginalLines)
+
+	return dataTable, nil
+}
+
+func (c *feideeMymoneyAppTransactionDataCsvFileImporter) createNewFeideeMymoneyAppTransactionDataTable(ctx core.Context, commonDataTable datatable.CommonDataTable) (datatable.TransactionDataTable, error) {
+	newColumns := make([]datatable.TransactionDataTableColumn, 0, 11)
+	newColumns = append(newColumns, datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE)
+	newColumns = append(newColumns, datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME)
+
+	if commonDataTable.HasColumn(feideeMymoneyAppTransactionCategoryColumnName) {
+		newColumns = append(newColumns, datatable.TRANSACTION_DATA_TABLE_CATEGORY)
+	}
+
+	newColumns = append(newColumns, datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY)
+	newColumns = append(newColumns, datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME)
+
+	if commonDataTable.HasColumn(feideeMymoneyAppTransactionAccountCurrencyColumnName) {
+		newColumns = append(newColumns, datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY)
+	}
+
+	newColumns = append(newColumns, datatable.TRANSACTION_DATA_TABLE_AMOUNT)
+	newColumns = append(newColumns, datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME)
+
+	if commonDataTable.HasColumn(feideeMymoneyAppTransactionAccountCurrencyColumnName) {
+		newColumns = append(newColumns, datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY)
+	}
+
+	newColumns = append(newColumns, datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT)
+
+	if commonDataTable.HasColumn(feideeMymoneyAppTransactionDescriptionColumnName) {
+		newColumns = append(newColumns, datatable.TRANSACTION_DATA_TABLE_DESCRIPTION)
+	}
+
+	transactionRowParser := createFeideeMymoneyTransactionDataRowParser()
+	transactionDataTable := datatable.CreateNewWritableTransactionDataTableWithRowParser(newColumns, transactionRowParser)
+	transferTransactionsMap := make(map[string]map[datatable.TransactionDataTableColumn]string, 0)
+
+	commonDataTableIterator := commonDataTable.DataRowIterator()
+
+	for commonDataTableIterator.HasNext() {
+		dataRow := commonDataTableIterator.Next()
+		rowId := commonDataTableIterator.CurrentRowId()
+
+		if dataRow.ColumnCount() < commonDataTable.HeaderColumnCount() {
+			log.Errorf(ctx, "[feidee_mymoney_app_transaction_data_csv_file_importer.createNewFeideeMymoneyAppTransactionDataTable] cannot parse row \"%s\", because may missing some columns (column count %d in data row is less than header column count %d)", rowId, dataRow.ColumnCount(), commonDataTable.HeaderColumnCount())
+			return nil, errs.ErrFewerFieldsInDataRowThanInHeaderRow
+		}
+
+		data := make(map[datatable.TransactionDataTableColumn]string, 11)
+
+		for columnType, columnName := range feideeMymoneyAppDataColumnNameMapping {
+			if dataRow.HasData(columnName) {
+				data[columnType] = dataRow.GetData(columnName)
+			}
+		}
+
+		transactionType := data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE]
+
+		if transactionType == feideeMymoneyAppTransactionTypeModifyBalanceText || transactionType == feideeMymoneyAppTransactionTypeIncomeText || transactionType == feideeMymoneyAppTransactionTypeExpenseText {
+			if transactionType == feideeMymoneyAppTransactionTypeModifyBalanceText {
+				data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = feideeMymoneyTransactionTypeNameMapping[models.TRANSACTION_TYPE_MODIFY_BALANCE]
+			} else if transactionType == feideeMymoneyAppTransactionTypeIncomeText {
+				data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = feideeMymoneyTransactionTypeNameMapping[models.TRANSACTION_TYPE_INCOME]
+			} else if transactionType == feideeMymoneyAppTransactionTypeExpenseText {
+				data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = feideeMymoneyTransactionTypeNameMapping[models.TRANSACTION_TYPE_EXPENSE]
+			}
+
+			data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = ""
+			data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY] = ""
+			data[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = ""
+			transactionDataTable.Add(data)
+		} else if transactionType == feideeMymoneyAppTransactionTypeTransferInText || transactionType == feideeMymoneyAppTransactionTypeTransferOutText {
+			relatedId := ""
+
+			if dataRow.HasData(feideeMymoneyAppTransactionRelatedIdColumnName) {
+				relatedId = dataRow.GetData(feideeMymoneyAppTransactionRelatedIdColumnName)
+			}
+
+			if relatedId == "" {
+				log.Errorf(ctx, "[feidee_mymoney_app_transaction_data_csv_file_importer.createNewFeideeMymoneyAppTransactionDataTable] transfer transaction has blank related id in row \"%s\"", rowId)
+				return nil, errs.ErrRelatedIdCannotBeBlank
+			}
+
+			relatedData, exists := transferTransactionsMap[relatedId]
+
+			if !exists {
+				transferTransactionsMap[relatedId] = data
+				continue
+			}
+
+			if transactionType == feideeMymoneyAppTransactionTypeTransferInText && relatedData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] == feideeMymoneyAppTransactionTypeTransferOutText {
+				relatedData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = feideeMymoneyTransactionTypeNameMapping[models.TRANSACTION_TYPE_TRANSFER]
+				relatedData[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME]
+				relatedData[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY] = data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY]
+				relatedData[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = data[datatable.TRANSACTION_DATA_TABLE_AMOUNT]
+				transactionDataTable.Add(relatedData)
+				delete(transferTransactionsMap, relatedId)
+			} else if transactionType == feideeMymoneyAppTransactionTypeTransferOutText && relatedData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] == feideeMymoneyAppTransactionTypeTransferInText {
+				data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = feideeMymoneyTransactionTypeNameMapping[models.TRANSACTION_TYPE_TRANSFER]
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = relatedData[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME]
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY] = relatedData[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY]
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = relatedData[datatable.TRANSACTION_DATA_TABLE_AMOUNT]
+				transactionDataTable.Add(data)
+				delete(transferTransactionsMap, relatedId)
+			} else {
+				log.Errorf(ctx, "[feidee_mymoney_app_transaction_data_csv_file_importer.createNewFeideeMymoneyAppTransactionDataTable] transfer transaction type \"%s\" is not expected in row \"%s\"", transactionType, rowId)
+				return nil, errs.ErrTransactionTypeInvalid
+			}
+		} else {
+			log.Errorf(ctx, "[feidee_mymoney_app_transaction_data_csv_file_importer.createNewFeideeMymoneyAppTransactionDataTable] cannot parse transaction type \"%s\" in row \"%s\"", transactionType, rowId)
+			return nil, errs.ErrTransactionTypeInvalid
+		}
+	}
+
+	if len(transferTransactionsMap) > 0 {
+		log.Errorf(ctx, "[feidee_mymoney_app_transaction_data_csv_file_importer.createNewFeideeMymoneyAppTransactionDataTable] there are %d transactions (related id is %s) which don't have related records", len(transferTransactionsMap), c.getFeideeMymoneyAppRelatedTransactionIds(transferTransactionsMap))
+		return nil, errs.ErrFoundRecordNotHasRelatedRecord
+	}
+
+	return transactionDataTable, nil
+}
+
+func (c *feideeMymoneyAppTransactionDataCsvFileImporter) getFeideeMymoneyAppRelatedTransactionIds(transferTransactionsMap map[string]map[datatable.TransactionDataTableColumn]string) string {
+	builder := strings.Builder{}
+
+	for relatedId := range transferTransactionsMap {
+		if builder.Len() > 0 {
+			builder.WriteRune(',')
+		}
+
+		builder.WriteString(relatedId)
+	}
+
+	return builder.String()
+}

pkg/converters/feidee/feidee_mymoney_app_transaction_data_csv_file_importer_test.go

@@ -0,0 +1,359 @@
+package feidee
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+func TestFeideeMymoneyCsvFileImporterParseImportedData_MinimumValidData(t *testing.T) {
+	converter := FeideeMymoneyAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, allNewAccounts, allNewSubExpenseCategories, allNewSubIncomeCategories, allNewSubTransferCategories, allNewTags, err := converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"余额变更\",\"2024-09-01 00:00:00\",\"\",\"Test Account\",\"123.45\",\"\",\"\"\n"+
+		"\"余额变更\",\"2024-09-01 01:00:00\",\"\",\"Test Account2\",\"-0.12\",\"\",\"\"\n"+
+		"\"收入\",\"2024-09-01 01:23:45\",\"Test Category\",\"Test Account\",\"0.12\",\"\",\"\"\n"+
+		"\"支出\",\"2024-09-01 12:34:56\",\"Test Category2\",\"Test Account\",\"1.00\",\"\",\"\"\n"+
+		"\"转出\",\"2024-09-01 23:59:59\",\"Test Category3\",\"Test Account\",\"0.05\",\"\",\"00000000-0000-0000-0000-000000000001\"\n"+
+		"\"转入\",\"2024-09-01 23:59:59\",\"Test Category3\",\"Test Account2\",\"0.05\",\"\",\"00000000-0000-0000-0000-000000000001\"\n"+
+		"\"转入\",\"2024-09-02 23:59:59\",\"Test Category3\",\"Test Account\",\"0.5\",\"\",\"00000000-0000-0000-0000-000000000002\"\n"+
+		"\"转出\",\"2024-09-02 23:59:59\",\"Test Category3\",\"Test Account2\",\"0.5\",\"\",\"00000000-0000-0000-0000-000000000002\""), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 6, len(allNewTransactions))
+	assert.Equal(t, 2, len(allNewAccounts))
+	assert.Equal(t, 2, len(allNewSubExpenseCategories))
+	assert.Equal(t, 2, len(allNewSubIncomeCategories))
+	assert.Equal(t, 1, len(allNewSubTransferCategories))
+	assert.Equal(t, 0, len(allNewTags))
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[0].Type)
+	assert.Equal(t, "2024-09-01 00:00:00", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime), time.UTC))
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[0].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[1].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[1].Type)
+	assert.Equal(t, "2024-09-01 01:00:00", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[1].TransactionTime), time.UTC))
+	assert.Equal(t, int64(12), allNewTransactions[1].Amount)
+	assert.Equal(t, "Test Account2", allNewTransactions[1].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[1].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[2].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[2].Type)
+	assert.Equal(t, "2024-09-01 01:23:45", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[2].TransactionTime), time.UTC))
+	assert.Equal(t, int64(12), allNewTransactions[2].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[2].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category", allNewTransactions[2].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[3].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[3].Type)
+	assert.Equal(t, "2024-09-01 12:34:56", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[3].TransactionTime), time.UTC))
+	assert.Equal(t, int64(100), allNewTransactions[3].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[3].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category2", allNewTransactions[3].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[4].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[4].Type)
+	assert.Equal(t, "2024-09-01 23:59:59", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[4].TransactionTime), time.UTC))
+	assert.Equal(t, int64(5), allNewTransactions[4].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[4].OriginalSourceAccountName)
+	assert.Equal(t, "Test Account2", allNewTransactions[4].OriginalDestinationAccountName)
+	assert.Equal(t, "Test Category3", allNewTransactions[4].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[5].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[5].Type)
+	assert.Equal(t, "2024-09-02 23:59:59", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[5].TransactionTime), time.UTC))
+	assert.Equal(t, int64(50), allNewTransactions[5].Amount)
+	assert.Equal(t, "Test Account2", allNewTransactions[5].OriginalSourceAccountName)
+	assert.Equal(t, "Test Account", allNewTransactions[5].OriginalDestinationAccountName)
+	assert.Equal(t, "Test Category3", allNewTransactions[5].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[0].Uid)
+	assert.Equal(t, "Test Account", allNewAccounts[0].Name)
+	assert.Equal(t, "CNY", allNewAccounts[0].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[1].Uid)
+	assert.Equal(t, "Test Account2", allNewAccounts[1].Name)
+	assert.Equal(t, "CNY", allNewAccounts[1].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewSubExpenseCategories[0].Uid)
+	assert.Equal(t, "", allNewSubExpenseCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubExpenseCategories[1].Uid)
+	assert.Equal(t, "Test Category2", allNewSubExpenseCategories[1].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubIncomeCategories[0].Uid)
+	assert.Equal(t, "", allNewSubIncomeCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubIncomeCategories[1].Uid)
+	assert.Equal(t, "Test Category", allNewSubIncomeCategories[1].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubTransferCategories[0].Uid)
+	assert.Equal(t, "Test Category3", allNewSubTransferCategories[0].Name)
+}
+
+func TestFeideeMymoneyCsvFileImporterParseImportedData_ParseInvalidTime(t *testing.T) {
+	converter := FeideeMymoneyAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"收入\",\"2024-09-01T12:34:56\",\"Test Category\",\"Test Account\",\"0.12\",\"\",\"\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"收入\",\"09/01/2024 12:34:56\",\"Test Category\",\"Test Account\",\"0.12\",\"\",\"\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+}
+
+func TestFeideeMymoneyCsvFileImporterParseImportedData_ParseInvalidType(t *testing.T) {
+	converter := FeideeMymoneyAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"Type\",\"2024-09-01 12:34:56\",\"Test Category\",\"Test Account\",\"0.12\",\"\",\"\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTypeInvalid.Message)
+}
+
+func TestFeideeMymoneyCsvFileImporterParseImportedData_ParseValidAccountCurrency(t *testing.T) {
+	converter := FeideeMymoneyAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, allNewAccounts, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"账户币种\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"余额变更\",\"2024-09-01 01:23:45\",\"\",\"Test Account\",\"USD\",\"123.45\",\"\",\"\"\n"+
+		"\"转出\",\"2024-09-01 12:34:56\",\"Test Category3\",\"Test Account\",\"USD\",\"1.23\",\"\",\"00000000-0000-0000-0000-000000000001\"\n"+
+		"\"转入\",\"2024-09-01 12:34:56\",\"Test Category3\",\"Test Account2\",\"EUR\",\"1.10\",\"\",\"00000000-0000-0000-0000-000000000001\""), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 2, len(allNewTransactions))
+	assert.Equal(t, 2, len(allNewAccounts))
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[0].Uid)
+	assert.Equal(t, "Test Account", allNewAccounts[0].Name)
+	assert.Equal(t, "USD", allNewAccounts[0].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[1].Uid)
+	assert.Equal(t, "Test Account2", allNewAccounts[1].Name)
+	assert.Equal(t, "EUR", allNewAccounts[1].Currency)
+}
+
+func TestFeideeMymoneyCsvFileImporterParseImportedData_ParseInvalidAccountCurrency(t *testing.T) {
+	converter := FeideeMymoneyAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"账户币种\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"余额变更\",\"2024-09-01 01:23:45\",\"\",\"Test Account\",\"USD\",\"123.45\",\"\",\"\"\n"+
+		"\"转出\",\"2024-09-01 12:34:56\",\"Test Category3\",\"Test Account\",\"CNY\",\"1.23\",\"\",\"00000000-0000-0000-0000-000000000001\"\n"+
+		"\"转入\",\"2024-09-01 12:34:56\",\"Test Category3\",\"Test Account2\",\"EUR\",\"1.10\",\"\",\"00000000-0000-0000-0000-000000000001\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"账户币种\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"余额变更\",\"2024-09-01 01:23:45\",\"\",\"Test Account\",\"USD\",\"123.45\",\"\",\"\"\n"+
+		"\"转出\",\"2024-09-01 12:34:56\",\"Test Category3\",\"Test Account2\",\"CNY\",\"1.23\",\"\",\"00000000-0000-0000-0000-000000000001\"\n"+
+		"\"转入\",\"2024-09-01 12:34:56\",\"Test Category3\",\"Test Account\",\"EUR\",\"1.10\",\"\",\"00000000-0000-0000-0000-000000000001\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+}
+
+func TestFeideeMymoneyCsvFileImporterParseImportedData_ParseNotSupportedCurrency(t *testing.T) {
+	converter := FeideeMymoneyAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"账户币种\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"余额变更\",\"2024-09-01 01:23:45\",\"\",\"Test Account\",\"XXX\",\"123.45\",\"\",\"\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"账户币种\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"转出\",\"2024-09-01 12:34:56\",\"Test Category\",\"Test Account\",\"USD\",\"123.45\",\"\",\"00000000-0000-0000-0000-000000000001\"\n"+
+		"\"转入\",\"2024-09-01 12:34:56\",\"Test Category\",\"Test Account2\",\"XXX\",\"123.45\",\"\",\"00000000-0000-0000-0000-000000000001\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"账户币种\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"转出\",\"2024-09-01 12:34:56\",\"Test Category\",\"Test Account\",\"XXX\",\"123.45\",\"\",\"00000000-0000-0000-0000-000000000001\"\n"+
+		"\"转入\",\"2024-09-01 12:34:56\",\"Test Category\",\"Test Account2\",\"USD\",\"123.45\",\"\",\"00000000-0000-0000-0000-000000000001\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+}
+
+func TestFeideeMymoneyCsvFileImporterParseImportedData_ParseInvalidAmount(t *testing.T) {
+	converter := FeideeMymoneyAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"余额变更\",\"2024-09-01 01:23:45\",\"\",\"Test Account\",\"123 45\",\"\",\"\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAmountInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"转出\",\"2024-09-01 12:34:56\",\"Test Category\",\"Test Account\",\"123 45\",\"\",\"00000000-0000-0000-0000-000000000001\"\n"+
+		"\"转入\",\"2024-09-01 12:34:56\",\"Test Category\",\"Test Account2\",\"123.45\",\"\",\"00000000-0000-0000-0000-000000000001\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAmountInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"转出\",\"2024-09-01 12:34:56\",\"Test Category\",\"Test Account\",\"123.45\",\"\",\"00000000-0000-0000-0000-000000000001\"\n"+
+		"\"转入\",\"2024-09-01 12:34:56\",\"Test Category\",\"Test Account2\",\"123 45\",\"\",\"00000000-0000-0000-0000-000000000001\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAmountInvalid.Message)
+}
+
+func TestFeideeMymoneyCsvFileImporterParseImportedData_ParseDescription(t *testing.T) {
+	converter := FeideeMymoneyAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"支出\",\"2024-09-01 12:34:56\",\"Test Category\",\"Test Account\",\"123.45\",\"Test\n"+
+		"A new line break\",\"\""), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "Test\nA new line break", allNewTransactions[0].Comment)
+}
+
+func TestFeideeMymoneyCsvFileImporterParseImportedData_InvalidRelatedId(t *testing.T) {
+	converter := FeideeMymoneyAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"转出\",\"2024-09-01 23:59:59\",\"Test Category3\",\"Test Account\",\"0.05\",\"\",\"\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrRelatedIdCannotBeBlank.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"转入\",\"2024-09-01 23:59:59\",\"Test Category3\",\"Test Account\",\"0.05\",\"\",\"\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrRelatedIdCannotBeBlank.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"转出\",\"2024-09-01 23:59:59\",\"Test Category3\",\"Test Account\",\"0.05\",\"\",\"00000000-0000-0000-0000-000000000001\"\n"+
+		"\"转入\",\"2024-09-02 23:59:59\",\"Test Category3\",\"Test Account\",\"0.5\",\"\",\"00000000-0000-0000-0000-000000000002\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrFoundRecordNotHasRelatedRecord.Message)
+}
+
+func TestFeideeMymoneyCsvFileImporterParseImportedData_MissingFileHeader(t *testing.T) {
+	converter := FeideeMymoneyAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"余额变更\",\"2024-09-01 00:00:00\",\"\",\"Test Account\",\"123.45\",\"\",\"\"\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidFileHeader.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidFileHeader.Message)
+}
+
+func TestFeideeMymoneyCsvFileImporterParseImportedData_MissingRequiredColumn(t *testing.T) {
+	converter := FeideeMymoneyAppTransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	// Missing Time Column
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"余额变更\",\"\",\"Test Account\",\"123.45\",\"\",\"\"\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Type Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"2024-09-01 00:00:00\",\"Test Category\",\"Test Account\",\"123.45\",\"\",\"\"\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Sub Category Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"账户\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"余额变更\",\"2024-09-01 00:00:00\",\"Test Account\",\"123.45\",\"\",\"\"\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Account Name Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"金额\",\"备注\",\"关联Id\"\n"+
+		"\"余额变更\",\"2024-09-01 00:00:00\",\"\",\"123.45\",\"\",\"\"\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Amount Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"备注\",\"关联Id\"\n"+
+		"\"余额变更\",\"2024-09-01 00:00:00\",\"\",\"Test Account\",\"\",\"\"\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Related ID Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("随手记导出文件(headers:v5;xxxxx)\n"+
+		"\"交易类型\",\"日期\",\"子类别\",\"账户\",\"金额\",\"备注\"\n"+
+		"\"余额变更\",\"2024-09-01 00:00:00\",\"\",\"Test Account\",\"123.45\",\"\"\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+}

pkg/converters/feidee/feidee_mymoney_transaction_data_row_parser.go

@@ -0,0 +1,77 @@
+package feidee
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+var feideeMymoneyTransactionTypeNameMapping = map[models.TransactionType]string{
+	models.TRANSACTION_TYPE_MODIFY_BALANCE: "余额变更",
+	models.TRANSACTION_TYPE_INCOME:         "收入",
+	models.TRANSACTION_TYPE_EXPENSE:        "支出",
+	models.TRANSACTION_TYPE_TRANSFER:       "转账",
+}
+
+// feideeMymoneyTransactionDataRowParser defines the structure of feidee mymoney transaction data row parser
+type feideeMymoneyTransactionDataRowParser struct {
+}
+
+// GetAddedColumns returns the added columns after converting the data row
+func (p *feideeMymoneyTransactionDataRowParser) GetAddedColumns() []datatable.TransactionDataTableColumn {
+	return nil
+}
+
+// Parse returns the converted transaction data row
+func (p *feideeMymoneyTransactionDataRowParser) Parse(data map[datatable.TransactionDataTableColumn]string) (rowData map[datatable.TransactionDataTableColumn]string, rowDataValid bool, err error) {
+	rowData = make(map[datatable.TransactionDataTableColumn]string, len(data))
+
+	for column, value := range data {
+		rowData[column] = value
+	}
+
+	if rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME] != "" {
+		rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME] = p.getLongDateTime(rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME])
+	}
+
+	if rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] == feideeMymoneyTransactionTypeNameMapping[models.TRANSACTION_TYPE_MODIFY_BALANCE] {
+		amount, err := utils.ParseAmount(rowData[datatable.TRANSACTION_DATA_TABLE_AMOUNT])
+
+		if err != nil {
+			return nil, false, errs.ErrAmountInvalid
+		}
+
+		// balance modification transaction in feidee mymoney app is not the opening balance transaction, it can be added many times
+		if amount >= 0 {
+			rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = feideeMymoneyTransactionTypeNameMapping[models.TRANSACTION_TYPE_INCOME]
+		} else {
+			rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = feideeMymoneyTransactionTypeNameMapping[models.TRANSACTION_TYPE_EXPENSE]
+			rowData[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(-amount)
+		}
+	}
+
+	return rowData, true, nil
+}
+
+// Parse returns the converted transaction data row
+func (p *feideeMymoneyTransactionDataRowParser) getLongDateTime(str string) string {
+	if utils.IsValidLongDateTimeFormat(str) {
+		return str
+	}
+
+	if utils.IsValidLongDateTimeWithoutSecondFormat(str) {
+		return str + ":00"
+	}
+
+	if utils.IsValidLongDateFormat(str) {
+		return str + " 00:00:00"
+	}
+
+	return str
+}
+
+// createFeideeMymoneyTransactionDataRowParser returns feidee mymoney transaction data row parser
+func createFeideeMymoneyTransactionDataRowParser() datatable.TransactionDataRowParser {
+	return &feideeMymoneyTransactionDataRowParser{}
+}

pkg/converters/feidee/feidee_mymoney_web_transaction_data_xls_file_importer.go

@@ -0,0 +1,44 @@
+package feidee
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/converters/excel"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+var feideeMymoneyWebDataColumnNameMapping = map[datatable.TransactionDataTableColumn]string{
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME:     "日期",
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE:     "交易类型",
+	datatable.TRANSACTION_DATA_TABLE_CATEGORY:             "分类",
+	datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY:         "子分类",
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME:         "账户1",
+	datatable.TRANSACTION_DATA_TABLE_AMOUNT:               "金额",
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME: "账户2",
+	datatable.TRANSACTION_DATA_TABLE_DESCRIPTION:          "备注",
+}
+
+// feideeMymoneyWebTransactionDataXlsFileImporter defines the structure of feidee mymoney (web) xls importer for transaction data
+type feideeMymoneyWebTransactionDataXlsFileImporter struct {
+	datatable.DataTableTransactionDataImporter
+}
+
+// Initialize a feidee mymoney (web) transaction data xls file importer singleton instance
+var (
+	FeideeMymoneyWebTransactionDataXlsFileImporter = &feideeMymoneyWebTransactionDataXlsFileImporter{}
+)
+
+// ParseImportedData returns the imported data by parsing the feidee mymoney (web) transaction xls data
+func (c *feideeMymoneyWebTransactionDataXlsFileImporter) ParseImportedData(ctx core.Context, user *models.User, data []byte, defaultTimezoneOffset int16, accountMap map[string]*models.Account, expenseCategoryMap map[string]*models.TransactionCategory, incomeCategoryMap map[string]*models.TransactionCategory, transferCategoryMap map[string]*models.TransactionCategory, tagMap map[string]*models.TransactionTag) (models.ImportedTransactionSlice, []*models.Account, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionTag, error) {
+	dataTable, err := excel.CreateNewExcelFileImportedDataTable(data)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	transactionRowParser := createFeideeMymoneyTransactionDataRowParser()
+	transactionDataTable := datatable.CreateNewImportedTransactionDataTableWithRowParser(dataTable, feideeMymoneyWebDataColumnNameMapping, transactionRowParser)
+	dataTableImporter := datatable.CreateNewSimpleImporter(feideeMymoneyTransactionTypeNameMapping)
+
+	return dataTableImporter.ParseImportedData(ctx, user, transactionDataTable, defaultTimezoneOffset, accountMap, expenseCategoryMap, incomeCategoryMap, transferCategoryMap, tagMap)
+}

pkg/converters/feidee/feidee_mymoney_web_transaction_data_xls_file_importer_test.go

@@ -0,0 +1,117 @@
+package feidee
+
+import (
+	"os"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+func TestFeideeMymoneyTransactionDataXlsImporterParseImportedData_MinimumValidData(t *testing.T) {
+	converter := FeideeMymoneyWebTransactionDataXlsFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	testdata, err := os.ReadFile("../../../testdata/feidee_mymoney_test_file.xls")
+	assert.Nil(t, err)
+
+	allNewTransactions, allNewAccounts, allNewSubExpenseCategories, allNewSubIncomeCategories, allNewSubTransferCategories, allNewTags, err := converter.ParseImportedData(context, user, testdata, 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+
+	assert.Equal(t, 7, len(allNewTransactions))
+	assert.Equal(t, 2, len(allNewAccounts))
+	assert.Equal(t, 3, len(allNewSubExpenseCategories))
+	assert.Equal(t, 3, len(allNewSubIncomeCategories))
+	assert.Equal(t, 1, len(allNewSubTransferCategories))
+	assert.Equal(t, 0, len(allNewTags))
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[0].Type)
+	assert.Equal(t, "2024-09-01 00:00:00", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime), time.UTC))
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[0].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[1].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[1].Type)
+	assert.Equal(t, "2024-09-01 01:00:00", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[1].TransactionTime), time.UTC))
+	assert.Equal(t, int64(12), allNewTransactions[1].Amount)
+	assert.Equal(t, "Test Account2", allNewTransactions[1].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[1].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[2].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[2].Type)
+	assert.Equal(t, "2024-09-01 01:23:45", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[2].TransactionTime), time.UTC))
+	assert.Equal(t, int64(12), allNewTransactions[2].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[2].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category", allNewTransactions[2].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[3].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[3].Type)
+	assert.Equal(t, "2024-09-01 12:34:56", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[3].TransactionTime), time.UTC))
+	assert.Equal(t, int64(100), allNewTransactions[3].Amount)
+	assert.Equal(t, "Test Account2", allNewTransactions[3].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category2", allNewTransactions[3].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[4].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[4].Type)
+	assert.Equal(t, "2024-09-01 23:59:59", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[4].TransactionTime), time.UTC))
+	assert.Equal(t, int64(5), allNewTransactions[4].Amount)
+	assert.Equal(t, "Test Comment5", allNewTransactions[4].Comment)
+	assert.Equal(t, "Test Account", allNewTransactions[4].OriginalSourceAccountName)
+	assert.Equal(t, "Test Account2", allNewTransactions[4].OriginalDestinationAccountName)
+	assert.Equal(t, "Test Category3", allNewTransactions[4].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[5].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[5].Type)
+	assert.Equal(t, "2024-09-10 00:00:00", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[5].TransactionTime), time.UTC))
+	assert.Equal(t, int64(-54300), allNewTransactions[5].Amount)
+	assert.Equal(t, "Test Account2", allNewTransactions[5].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category5", allNewTransactions[5].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[6].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[6].Type)
+	assert.Equal(t, "2024-09-11 05:06:00", utils.FormatUnixTimeToLongDateTime(utils.GetUnixTimeFromTransactionTime(allNewTransactions[6].TransactionTime), time.UTC))
+	assert.Equal(t, int64(-12340), allNewTransactions[6].Amount)
+	assert.Equal(t, "Line1\nLine2", allNewTransactions[6].Comment)
+	assert.Equal(t, "Test Account", allNewTransactions[6].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category4", allNewTransactions[6].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[0].Uid)
+	assert.Equal(t, "Test Account", allNewAccounts[0].Name)
+	assert.Equal(t, "CNY", allNewAccounts[0].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[1].Uid)
+	assert.Equal(t, "Test Account2", allNewAccounts[1].Name)
+	assert.Equal(t, "CNY", allNewAccounts[1].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewSubExpenseCategories[0].Uid)
+	assert.Equal(t, "", allNewSubExpenseCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubExpenseCategories[1].Uid)
+	assert.Equal(t, "Test Category2", allNewSubExpenseCategories[1].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubExpenseCategories[2].Uid)
+	assert.Equal(t, "Test Category4", allNewSubExpenseCategories[2].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubIncomeCategories[0].Uid)
+	assert.Equal(t, "", allNewSubIncomeCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubIncomeCategories[1].Uid)
+	assert.Equal(t, "Test Category", allNewSubIncomeCategories[1].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubIncomeCategories[2].Uid)
+	assert.Equal(t, "Test Category5", allNewSubIncomeCategories[2].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubTransferCategories[0].Uid)
+	assert.Equal(t, "Test Category3", allNewSubTransferCategories[0].Name)
+}

pkg/converters/fireflyIII/fireflyiii_transaction_data_csv_file_importer.go

@@ -0,0 +1,55 @@
+package fireflyIII
+
+import (
+	"bytes"
+
+	"github.com/mayswind/ezbookkeeping/pkg/converters/csv"
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+var fireflyIIITransactionDataColumnNameMapping = map[datatable.TransactionDataTableColumn]string{
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME:         "date",
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE:         "type",
+	datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY:             "category",
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME:             "source_name",
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY:         "currency_code",
+	datatable.TRANSACTION_DATA_TABLE_AMOUNT:                   "amount",
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME:     "destination_name",
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY: "foreign_currency_code",
+	datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT:           "foreign_amount",
+	datatable.TRANSACTION_DATA_TABLE_TAGS:                     "tags",
+	datatable.TRANSACTION_DATA_TABLE_DESCRIPTION:              "description",
+}
+
+var fireflyIIITransactionTypeNameMapping = map[models.TransactionType]string{
+	models.TRANSACTION_TYPE_MODIFY_BALANCE: "Opening balance",
+	models.TRANSACTION_TYPE_INCOME:         "Deposit",
+	models.TRANSACTION_TYPE_EXPENSE:        "Withdrawal",
+	models.TRANSACTION_TYPE_TRANSFER:       "Transfer",
+}
+
+// fireflyIIITransactionDataCsvFileImporter defines the structure of firefly III csv importer for transaction data
+type fireflyIIITransactionDataCsvFileImporter struct{}
+
+// Initialize a firefly III transaction data csv file importer singleton instance
+var (
+	FireflyIIITransactionDataCsvFileImporter = &fireflyIIITransactionDataCsvFileImporter{}
+)
+
+// ParseImportedData returns the imported data by parsing the firefly III transaction csv data
+func (c *fireflyIIITransactionDataCsvFileImporter) ParseImportedData(ctx core.Context, user *models.User, data []byte, defaultTimezoneOffset int16, accountMap map[string]*models.Account, expenseCategoryMap map[string]*models.TransactionCategory, incomeCategoryMap map[string]*models.TransactionCategory, transferCategoryMap map[string]*models.TransactionCategory, tagMap map[string]*models.TransactionTag) (models.ImportedTransactionSlice, []*models.Account, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionTag, error) {
+	reader := bytes.NewReader(data)
+	dataTable, err := csv.CreateNewCsvImportedDataTable(ctx, reader)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	transactionRowParser := createFireflyIIITransactionDataRowParser()
+	transactionDataTable := datatable.CreateNewImportedTransactionDataTableWithRowParser(dataTable, fireflyIIITransactionDataColumnNameMapping, transactionRowParser)
+	dataTableImporter := datatable.CreateNewImporter(fireflyIIITransactionTypeNameMapping, "", ",")
+
+	return dataTableImporter.ParseImportedData(ctx, user, transactionDataTable, defaultTimezoneOffset, accountMap, expenseCategoryMap, incomeCategoryMap, transferCategoryMap, tagMap)
+}

pkg/converters/fireflyIII/fireflyiii_transaction_data_csv_file_importer_test.go

@@ -0,0 +1,296 @@
+package fireflyIII
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+func TestFireFlyIIICsvFileConverterParseImportedData_MinimumValidData(t *testing.T) {
+	converter := FireflyIIITransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, allNewAccounts, allNewSubExpenseCategories, allNewSubIncomeCategories, allNewSubTransferCategories, allNewTags, err := converter.ParseImportedData(context, user, []byte("type,amount,date,source_name,destination_name,category\n"+
+		"\"Opening balance\",-123.45,2024-09-01T00:00:00+08:00,\"Initial balance for \"\"Test Account\"\"\",\"Test Account\",\n"+
+		"Deposit,-0.12,2024-09-01T01:23:45+08:00,\"A revenue account\",\"Test Account\",\"Test Category\"\n"+
+		"Withdrawal,-1.00,2024-09-01T12:34:56+08:00,\"Test Account\",\"A expense account\",\"Test Category2\"\n"+
+		"Transfer,-0.05,2024-09-01T23:59:59+08:00,\"Test Account\",\"Test Account2\",\"Test Category3\""), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 4, len(allNewTransactions))
+	assert.Equal(t, 2, len(allNewAccounts))
+	assert.Equal(t, 1, len(allNewSubExpenseCategories))
+	assert.Equal(t, 1, len(allNewSubIncomeCategories))
+	assert.Equal(t, 1, len(allNewSubTransferCategories))
+	assert.Equal(t, 0, len(allNewTags))
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_MODIFY_BALANCE, allNewTransactions[0].Type)
+	assert.Equal(t, int64(1725120000), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[0].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[1].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[1].Type)
+	assert.Equal(t, int64(1725125025), utils.GetUnixTimeFromTransactionTime(allNewTransactions[1].TransactionTime))
+	assert.Equal(t, int64(12), allNewTransactions[1].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[1].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category", allNewTransactions[1].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[2].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[2].Type)
+	assert.Equal(t, int64(1725165296), utils.GetUnixTimeFromTransactionTime(allNewTransactions[2].TransactionTime))
+	assert.Equal(t, int64(100), allNewTransactions[2].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[2].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category2", allNewTransactions[2].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[3].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[3].Type)
+	assert.Equal(t, int64(1725206399), utils.GetUnixTimeFromTransactionTime(allNewTransactions[3].TransactionTime))
+	assert.Equal(t, int64(5), allNewTransactions[3].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[3].OriginalSourceAccountName)
+	assert.Equal(t, "Test Account2", allNewTransactions[3].OriginalDestinationAccountName)
+	assert.Equal(t, "Test Category3", allNewTransactions[3].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[0].Uid)
+	assert.Equal(t, "Test Account", allNewAccounts[0].Name)
+	assert.Equal(t, "CNY", allNewAccounts[0].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[1].Uid)
+	assert.Equal(t, "Test Account2", allNewAccounts[1].Name)
+	assert.Equal(t, "CNY", allNewAccounts[1].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewSubExpenseCategories[0].Uid)
+	assert.Equal(t, "Test Category2", allNewSubExpenseCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubIncomeCategories[0].Uid)
+	assert.Equal(t, "Test Category", allNewSubIncomeCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubTransferCategories[0].Uid)
+	assert.Equal(t, "Test Category3", allNewSubTransferCategories[0].Name)
+}
+
+func TestFireFlyIIICsvFileConverterParseImportedData_ParseInvalidTime(t *testing.T) {
+	converter := FireflyIIITransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("type,amount,date,source_name,destination_name,category\n"+
+		"Withdrawal,-1.00,2024-09-01T12:34:56,\"Test Account\",\"A expense account\",\"Test Category\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("type,amount,date,source_name,destination_name,category\n"+
+		"Withdrawal,-1.00,2024-09-01 12:34:56+08:00,\"Test Account\",\"A expense account\",\"Test Category\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+}
+
+func TestFireFlyIIICsvFileConverterParseImportedData_ParseInvalidType(t *testing.T) {
+	converter := FireflyIIITransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("type,amount,date,source_name,destination_name,category\n"+
+		"Type,-123.45,2024-09-01T12:34:56+08:00,\"Test Account\",\"A expense account\",\"Test Category\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTypeInvalid.Message)
+}
+
+func TestFireFlyIIICsvFileConverterParseImportedData_ParseValidTimezone(t *testing.T) {
+	converter := FireflyIIITransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("type,amount,date,source_name,destination_name,category\n"+
+		"Withdrawal,-1.00,2024-09-01T12:34:56-10:00,\"Test Account\",\"A expense account\",\"Test Category\""), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, int64(1725230096), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("type,amount,date,source_name,destination_name,category\n"+
+		"Withdrawal,-1.00,2024-09-01T12:34:56+00:00,\"Test Account\",\"A expense account\",\"Test Category\""), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, int64(1725194096), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("type,amount,date,source_name,destination_name,category\n"+
+		"Withdrawal,-1.00,2024-09-01T12:34:56+12:45,\"Test Account\",\"A expense account\",\"Test Category\""), 0, nil, nil, nil, nil, nil)
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, int64(1725148196), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+}
+
+func TestFireFlyIIICsvFileConverterParseImportedData_ParseValidAccountCurrency(t *testing.T) {
+	converter := FireflyIIITransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, allNewAccounts, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("type,amount,foreign_amount,date,currency_code,foreign_currency_code,source_name,destination_name,category\n"+
+		"\"Opening balance\",-123.45,,2024-09-01T00:00:00+08:00,USD,,\"Initial balance for \"\"Test Account\"\"\",\"Test Account\",\n"+
+		"Transfer,-1.23,-1.10,2024-09-01T23:59:59+08:00,USD,EUR,\"Test Account\",\"Test Account2\",\"Test Category2\""), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 2, len(allNewTransactions))
+	assert.Equal(t, 2, len(allNewAccounts))
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[0].Uid)
+	assert.Equal(t, "Test Account", allNewAccounts[0].Name)
+	assert.Equal(t, "USD", allNewAccounts[0].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[1].Uid)
+	assert.Equal(t, "Test Account2", allNewAccounts[1].Name)
+	assert.Equal(t, "EUR", allNewAccounts[1].Currency)
+}
+
+func TestFireFlyIIICsvFileConverterParseImportedData_ParseInvalidAccountCurrency(t *testing.T) {
+	converter := FireflyIIITransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("type,amount,foreign_amount,date,currency_code,foreign_currency_code,source_name,destination_name,category\n"+
+		"\"Opening balance\",-123.45,,2024-09-01T00:00:00+08:00,USD,,\"Initial balance for \"\"Test Account\"\"\",\"Test Account\",\n"+
+		"Transfer,-1.23,-1.10,2024-09-01T23:59:59+08:00,CNY,EUR,\"Test Account\",\"Test Account2\",\"Test Category3\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("type,amount,foreign_amount,date,currency_code,foreign_currency_code,source_name,destination_name,category\n"+
+		"\"Opening balance\",-123.45,,2024-09-01T00:00:00+08:00,USD,,\"Initial balance for \"\"Test Account\"\"\",\"Test Account\",\n"+
+		"Transfer,-1.23,-1.10,2024-09-01T23:59:59+08:00,CNY,EUR,\"Test Account2\",\"Test Account\",\"Test Category3\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+}
+
+func TestFireFlyIIICsvFileConverterParseImportedData_ParseNotSupportedCurrency(t *testing.T) {
+	converter := FireflyIIITransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("type,amount,foreign_amount,date,currency_code,foreign_currency_code,source_name,destination_name,category\n"+
+		"\"Opening balance\",-123.45,,2024-09-01T00:00:00+08:00,XXX,,\"Initial balance for \"\"Test Account\"\"\",\"Test Account\",\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("type,amount,foreign_amount,date,currency_code,foreign_currency_code,source_name,destination_name,category\n"+
+		"Transfer,-123.45,-123.45,2024-09-01T23:59:59+08:00,USD,XXX,\"Test Account\",\"Test Account2\",\"Test Category2\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+}
+
+func TestFireFlyIIICsvFileConverterParseImportedData_ParseInvalidAmount(t *testing.T) {
+	converter := FireflyIIITransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("type,amount,date,source_name,destination_name,category\n"+
+		"Withdrawal,-123 45,2024-09-01T12:34:56+08:00,\"Test Account\",\"A expense account\",\"Test Category\"\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAmountInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("type,amount,foreign_amount,date,source_name,destination_name,category\n"+
+		"Transfer,-123.45,-123 45,2024-09-01T23:59:59+08:00,\"Test Account\",\"Test Account2\",\"Test Category2\""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAmountInvalid.Message)
+}
+
+func TestFireFlyIIICsvFileConverterParseImportedData_ParseDescription(t *testing.T) {
+	converter := FireflyIIITransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("type,amount,description,date,source_name,destination_name,category\n"+
+		"Withdrawal,-123.45,\"foo    bar\t#test\",2024-09-01T12:34:56+08:00,\"Test Account\",\"A expense account\",\"Test Category\"\n"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "foo    bar\t#test", allNewTransactions[0].Comment)
+}
+
+func TestFireFlyIIICsvFileConverterParseImportedData_MissingFileHeader(t *testing.T) {
+	converter := FireflyIIITransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(""), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrNotFoundTransactionDataInFile.Message)
+}
+
+func TestFireFlyIIICsvFileConverterParseImportedData_MissingRequiredColumn(t *testing.T) {
+	converter := FireflyIIITransactionDataCsvFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	// Missing Time Column
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte("type,amount,source_name,destination_name,category\n"+
+		"\"Opening balance\",-123.45,\"Initial balance for \"\"Test Account\"\"\",\"Test Account\",\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Type Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("amount,date,source_name,destination_name,category\n"+
+		"-123.45,2024-09-01T00:00:00+08:00,\"Initial balance for \"\"Test Account\"\"\",\"Test Account\",\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Sub Category Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("type,amount,date,source_name,destination_name\n"+
+		"\"Opening balance\",-123.45,2024-09-01T00:00:00+08:00,\"Initial balance for \"\"Test Account\"\"\",\"Test Account\"\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Account Name Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("type,amount,date,destination_name,category\n"+
+		"\"Opening balance\",-123.45,2024-09-01T00:00:00+08:00,\"Test Account\",\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Amount Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("type,date,source_name,destination_name,category\n"+
+		"\"Opening balance\",2024-09-01T00:00:00+08:00,\"Initial balance for \"\"Test Account\"\"\",\"Test Account\",\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Account2 Name Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte("type,amount,date,source_name,category\n"+
+		"\"Opening balance\",-123.45,2024-09-01T00:00:00+08:00,\"Initial balance for \"\"Test Account\"\"\",\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+}

pkg/converters/fireflyIII/fireflyiii_transaction_data_row_parser.go

@@ -0,0 +1,95 @@
+package fireflyIII
+
+import (
+	"strings"
+
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+// fireflyIIITransactionDataRowParser defines the structure of firefly III transaction data row parser
+type fireflyIIITransactionDataRowParser struct {
+}
+
+// GetAddedColumns returns the added columns after converting the data row
+func (p *fireflyIIITransactionDataRowParser) GetAddedColumns() []datatable.TransactionDataTableColumn {
+	return []datatable.TransactionDataTableColumn{
+		datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE,
+	}
+}
+
+// Parse returns the converted transaction data row
+func (p *fireflyIIITransactionDataRowParser) Parse(data map[datatable.TransactionDataTableColumn]string) (rowData map[datatable.TransactionDataTableColumn]string, rowDataValid bool, err error) {
+	rowData = make(map[datatable.TransactionDataTableColumn]string, len(data))
+
+	rowData[datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY] = ""
+
+	for column, value := range data {
+		rowData[column] = value
+	}
+
+	// parse long date time and timezone
+	if rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME] != "" {
+		if strings.Index(rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME], "T") <= 0 {
+			return nil, false, errs.ErrTransactionTimeInvalid
+		}
+
+		dateTime, err := utils.ParseFromLongDateTimeWithTimezone(strings.ReplaceAll(rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME], "T", " "))
+
+		if err != nil {
+			return nil, false, errs.ErrTransactionTimeInvalid
+		}
+
+		rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME] = utils.FormatUnixTimeToLongDateTime(dateTime.Unix(), dateTime.Location())
+		rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE] = utils.FormatTimezoneOffset(dateTime.Location())
+	}
+
+	// trim trailing zero in decimal
+	if rowData[datatable.TRANSACTION_DATA_TABLE_AMOUNT] != "" {
+		rowData[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.TrimTrailingZerosInDecimal(rowData[datatable.TRANSACTION_DATA_TABLE_AMOUNT])
+		amount, err := utils.ParseAmount(rowData[datatable.TRANSACTION_DATA_TABLE_AMOUNT])
+
+		if err != nil {
+			return nil, false, errs.ErrAmountInvalid
+		}
+
+		rowData[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(-amount)
+	}
+
+	if rowData[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] != "" {
+		rowData[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = utils.TrimTrailingZerosInDecimal(rowData[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT])
+		amount, err := utils.ParseAmount(rowData[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT])
+
+		if err != nil {
+			return nil, false, errs.ErrAmountInvalid
+		}
+
+		rowData[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = utils.FormatAmount(-amount)
+	} else {
+		rowData[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = rowData[datatable.TRANSACTION_DATA_TABLE_AMOUNT]
+	}
+
+	// the related account currency field is foreign currency in firefly III actually
+	if rowData[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY] == "" {
+		rowData[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY] = rowData[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY]
+	}
+
+	// the destination account of modify balance transaction in firefly III is the asset account
+	if rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] == fireflyIIITransactionTypeNameMapping[models.TRANSACTION_TYPE_MODIFY_BALANCE] {
+		rowData[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = rowData[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME]
+	}
+
+	// the destination account of income transaction in firefly III is the asset account
+	if rowData[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] == fireflyIIITransactionTypeNameMapping[models.TRANSACTION_TYPE_INCOME] {
+		rowData[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = rowData[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME]
+	}
+
+	return rowData, true, nil
+}
+
+// createFireflyIIITransactionDataRowParser returns firefly III transaction data row parser
+func createFireflyIIITransactionDataRowParser() datatable.TransactionDataRowParser {
+	return &fireflyIIITransactionDataRowParser{}
+}

pkg/converters/gnucash/gnucash_data.go

@@ -0,0 +1,87 @@
+package gnucash
+
+import "encoding/xml"
+
+const gnucashCommodityCurrencySpace = "CURRENCY"
+const gnucashRootAccountType = "ROOT"
+const gnucashEquityAccountType = "EQUITY"
+const gnucashIncomeAccountType = "INCOME"
+const gnucashExpenseAccountType = "EXPENSE"
+
+const gnucashSlotEquityType = "equity-type"
+const gnucashSlotEquityTypeOpeningBalance = "opening-balance"
+
+var gnucashAssetOrLiabilityAccountTypes = map[string]bool{
+	"ASSET":      true,
+	"BANK":       true,
+	"CASH":       true,
+	"CREDIT":     true,
+	"LIABILITY":  true,
+	"MUTUAL":     true,
+	"PAYABLE":    true,
+	"RECEIVABLE": true,
+	"STOCK":      true,
+}
+
+// gnucashDatabase represents the struct of gnucash database file
+type gnucashDatabase struct {
+	XMLName xml.Name            `xml:"gnc-v2"`
+	Counts  []*gnucashCountData `xml:"count-data"`
+	Books   []*gnucashBookData  `xml:"book"`
+}
+
+// gnucashCountData represents the struct of gnucash count data
+type gnucashCountData struct {
+	Key   string `xml:"type,attr"`
+	Value string `xml:",chardata"`
+}
+
+// gnucashBookData represents the struct of gnucash book data
+type gnucashBookData struct {
+	Id           string                    `xml:"id"`
+	Counts       []*gnucashCountData       `xml:"count-data"`
+	Accounts     []*gnucashAccountData     `xml:"account"`
+	Transactions []*gnucashTransactionData `xml:"transaction"`
+}
+
+// gnucashCommodityData represents the struct of gnucash commodity data
+type gnucashCommodityData struct {
+	Space string `xml:"space"`
+	Id    string `xml:"id"`
+}
+
+// gnucashSlotData represents the struct of gnucash slot data
+type gnucashSlotData struct {
+	Key   string `xml:"key"`
+	Value string `xml:"value"`
+}
+
+// gnucashAccountData represents the struct of gnucash account data
+type gnucashAccountData struct {
+	Name        string                `xml:"name"`
+	Id          string                `xml:"id"`
+	AccountType string                `xml:"type"`
+	Description string                `xml:"description"`
+	ParentId    string                `xml:"parent"`
+	Commodity   *gnucashCommodityData `xml:"commodity"`
+	Slots       []*gnucashSlotData    `xml:"slots>slot"`
+}
+
+// gnucashTransactionData represents the struct of gnucash transaction data
+type gnucashTransactionData struct {
+	Id          string                         `xml:"id"`
+	Currency    *gnucashCommodityData          `xml:"currency"`
+	PostedDate  string                         `xml:"date-posted>date"`
+	EnteredDate string                         `xml:"date-entered>date"`
+	Description string                         `xml:"description"`
+	Splits      []*gnucashTransactionSplitData `xml:"splits>split"`
+}
+
+// gnucashTransactionSplitData represents the struct of gnucash transaction split data
+type gnucashTransactionSplitData struct {
+	Id              string `xml:"id"`
+	ReconciledState string `xml:"reconciled-state"`
+	Value           string `xml:"value"`
+	Quantity        string `xml:"quantity"`
+	Account         string `xml:"account"`
+}

pkg/converters/gnucash/gnucash_data_reader.go

@@ -0,0 +1,56 @@
+package gnucash
+
+import (
+	"bytes"
+	"compress/gzip"
+	"encoding/xml"
+
+	"golang.org/x/net/html/charset"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+)
+
+// gnucashDatabaseReader defines the structure of gnucash database reader
+type gnucashDatabaseReader struct {
+	xmlDecoder *xml.Decoder
+}
+
+// read returns the imported gnucash data
+func (r *gnucashDatabaseReader) read(ctx core.Context) (*gnucashDatabase, error) {
+	database := &gnucashDatabase{}
+
+	err := r.xmlDecoder.Decode(&database)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return database, nil
+}
+
+func createNewGnuCashDatabaseReader(data []byte) (*gnucashDatabaseReader, error) {
+	if len(data) > 2 && data[0] == 0x1F && data[1] == 0x8B { // gzip magic number
+		gzipReader, err := gzip.NewReader(bytes.NewReader(data))
+
+		if err != nil {
+			return nil, err
+		}
+
+		xmlDecoder := xml.NewDecoder(gzipReader)
+		xmlDecoder.CharsetReader = charset.NewReaderLabel
+
+		return &gnucashDatabaseReader{
+			xmlDecoder: xmlDecoder,
+		}, nil
+	} else if len(data) > 5 && data[0] == 0x3C && data[1] == 0x3F && data[2] == 0x78 && data[3] == 0x6D && data[4] == 0x6C { // <?xml
+		xmlDecoder := xml.NewDecoder(bytes.NewReader(data))
+		xmlDecoder.CharsetReader = charset.NewReaderLabel
+
+		return &gnucashDatabaseReader{
+			xmlDecoder: xmlDecoder,
+		}, nil
+	}
+
+	return nil, errs.ErrInvalidGnuCashFile
+}

pkg/converters/gnucash/gnucash_transaction_data_file_importer.go

@@ -0,0 +1,49 @@
+package gnucash
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+var gnucashTransactionTypeNameMapping = map[models.TransactionType]string{
+	models.TRANSACTION_TYPE_MODIFY_BALANCE: utils.IntToString(int(models.TRANSACTION_TYPE_MODIFY_BALANCE)),
+	models.TRANSACTION_TYPE_INCOME:         utils.IntToString(int(models.TRANSACTION_TYPE_INCOME)),
+	models.TRANSACTION_TYPE_EXPENSE:        utils.IntToString(int(models.TRANSACTION_TYPE_EXPENSE)),
+	models.TRANSACTION_TYPE_TRANSFER:       utils.IntToString(int(models.TRANSACTION_TYPE_TRANSFER)),
+}
+
+// gnucashTransactionDataImporter defines the structure of gnucash importer for transaction data
+type gnucashTransactionDataImporter struct {
+}
+
+// Initialize a gnucash transaction data importer singleton instance
+var (
+	GnuCashTransactionDataImporter = &gnucashTransactionDataImporter{}
+)
+
+// ParseImportedData returns the imported data by parsing the gnucash transaction data
+func (c *gnucashTransactionDataImporter) ParseImportedData(ctx core.Context, user *models.User, data []byte, defaultTimezoneOffset int16, accountMap map[string]*models.Account, expenseCategoryMap map[string]*models.TransactionCategory, incomeCategoryMap map[string]*models.TransactionCategory, transferCategoryMap map[string]*models.TransactionCategory, tagMap map[string]*models.TransactionTag) (models.ImportedTransactionSlice, []*models.Account, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionTag, error) {
+	gnucashDataReader, err := createNewGnuCashDatabaseReader(data)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	gnucashData, err := gnucashDataReader.read(ctx)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	transactionDataTable, err := createNewGnuCashTransactionDataTable(gnucashData)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	dataTableImporter := datatable.CreateNewSimpleImporter(gnucashTransactionTypeNameMapping)
+
+	return dataTableImporter.ParseImportedData(ctx, user, transactionDataTable, defaultTimezoneOffset, accountMap, expenseCategoryMap, incomeCategoryMap, transferCategoryMap, tagMap)
+}

pkg/converters/gnucash/gnucash_transaction_table.go

@@ -0,0 +1,370 @@
+package gnucash
+
+import (
+	"strings"
+
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+var gnucashTransactionSupportedColumns = map[datatable.TransactionDataTableColumn]bool{
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME:         true,
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE:     true,
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE:         true,
+	datatable.TRANSACTION_DATA_TABLE_CATEGORY:                 true,
+	datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY:             true,
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME:             true,
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY:         true,
+	datatable.TRANSACTION_DATA_TABLE_AMOUNT:                   true,
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME:     true,
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY: true,
+	datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT:           true,
+	datatable.TRANSACTION_DATA_TABLE_DESCRIPTION:              true,
+}
+
+// gnucashTransactionDataTable defines the structure of gnucash transaction data table
+type gnucashTransactionDataTable struct {
+	allData    []*gnucashTransactionData
+	accountMap map[string]*gnucashAccountData
+}
+
+// gnucashTransactionDataRow defines the structure of gnucash transaction data row
+type gnucashTransactionDataRow struct {
+	dataTable  *gnucashTransactionDataTable
+	data       *gnucashTransactionData
+	finalItems map[datatable.TransactionDataTableColumn]string
+	isValid    bool
+}
+
+// gnucashTransactionDataRowIterator defines the structure of gnucash transaction data row iterator
+type gnucashTransactionDataRowIterator struct {
+	dataTable    *gnucashTransactionDataTable
+	currentIndex int
+}
+
+// HasColumn returns whether the transaction data table has specified column
+func (t *gnucashTransactionDataTable) HasColumn(column datatable.TransactionDataTableColumn) bool {
+	_, exists := gnucashTransactionSupportedColumns[column]
+	return exists
+}
+
+// TransactionRowCount returns the total count of transaction data row
+func (t *gnucashTransactionDataTable) TransactionRowCount() int {
+	return len(t.allData)
+}
+
+// TransactionRowIterator returns the iterator of transaction data row
+func (t *gnucashTransactionDataTable) TransactionRowIterator() datatable.TransactionDataRowIterator {
+	return &gnucashTransactionDataRowIterator{
+		dataTable:    t,
+		currentIndex: -1,
+	}
+}
+
+// IsValid returns whether this row is valid data for importing
+func (r *gnucashTransactionDataRow) IsValid() bool {
+	return r.isValid
+}
+
+// GetData returns the data in the specified column type
+func (r *gnucashTransactionDataRow) GetData(column datatable.TransactionDataTableColumn) string {
+	_, exists := gnucashTransactionSupportedColumns[column]
+
+	if exists {
+		return r.finalItems[column]
+	}
+
+	return ""
+}
+
+// HasNext returns whether the iterator does not reach the end
+func (t *gnucashTransactionDataRowIterator) HasNext() bool {
+	return t.currentIndex+1 < len(t.dataTable.allData)
+}
+
+// Next returns the next imported data row
+func (t *gnucashTransactionDataRowIterator) Next(ctx core.Context, user *models.User) (daraRow datatable.TransactionDataRow, err error) {
+	if t.currentIndex+1 >= len(t.dataTable.allData) {
+		return nil, nil
+	}
+
+	t.currentIndex++
+
+	data := t.dataTable.allData[t.currentIndex]
+	rowItems, isValid, err := t.parseTransaction(ctx, user, data)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &gnucashTransactionDataRow{
+		dataTable:  t.dataTable,
+		data:       data,
+		finalItems: rowItems,
+		isValid:    isValid,
+	}, nil
+}
+
+func (t *gnucashTransactionDataRowIterator) parseTransaction(ctx core.Context, user *models.User, gnucashTransaction *gnucashTransactionData) (map[datatable.TransactionDataTableColumn]string, bool, error) {
+	data := make(map[datatable.TransactionDataTableColumn]string, len(gnucashTransactionSupportedColumns))
+
+	if gnucashTransaction.PostedDate == "" {
+		return nil, false, errs.ErrMissingTransactionTime
+	}
+
+	dateTime, err := utils.ParseFromLongDateTimeWithTimezone2(gnucashTransaction.PostedDate)
+
+	if err != nil {
+		return nil, false, errs.ErrTransactionTimeInvalid
+	}
+
+	data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME] = utils.FormatUnixTimeToLongDateTime(dateTime.Unix(), dateTime.Location())
+	data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE] = utils.FormatTimezoneOffset(dateTime.Location())
+
+	if len(gnucashTransaction.Splits) == 2 {
+		splitData1 := gnucashTransaction.Splits[0]
+		splitData2 := gnucashTransaction.Splits[1]
+
+		account1 := t.dataTable.accountMap[splitData1.Account]
+		account2 := t.dataTable.accountMap[splitData2.Account]
+
+		if account1 == nil || account2 == nil {
+			return nil, false, errs.ErrMissingAccountData
+		}
+
+		if splitData1.Quantity == "" || splitData2.Quantity == "" {
+			return nil, false, errs.ErrAmountInvalid
+		}
+
+		amount1, err := t.parseAmount(splitData1.Quantity)
+
+		if err != nil {
+			return nil, false, err
+		}
+
+		amount2, err := t.parseAmount(splitData2.Quantity)
+
+		if err != nil {
+			return nil, false, err
+		}
+
+		if ((account1.AccountType == gnucashEquityAccountType || account1.AccountType == gnucashIncomeAccountType) && gnucashAssetOrLiabilityAccountTypes[account2.AccountType]) ||
+			((account2.AccountType == gnucashEquityAccountType || account2.AccountType == gnucashIncomeAccountType) && gnucashAssetOrLiabilityAccountTypes[account1.AccountType]) { // income
+			fromAccount := account1
+			toAccount := account2
+			toAmount := amount2
+
+			if (account2.AccountType == gnucashEquityAccountType || account2.AccountType == gnucashIncomeAccountType) && gnucashAssetOrLiabilityAccountTypes[account1.AccountType] {
+				fromAccount = account2
+				toAccount = account1
+				toAmount = amount1
+			}
+
+			if t.hasSpecifiedSlotKeyValue(fromAccount.Slots, gnucashSlotEquityType, gnucashSlotEquityTypeOpeningBalance) {
+				data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = utils.IntToString(int(models.TRANSACTION_TYPE_MODIFY_BALANCE))
+			} else {
+				data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = utils.IntToString(int(models.TRANSACTION_TYPE_INCOME))
+			}
+
+			data[datatable.TRANSACTION_DATA_TABLE_CATEGORY] = t.getCategoryName(fromAccount)
+			data[datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY] = fromAccount.Name
+			data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = toAccount.Name
+
+			if toAccount.Commodity != nil && toAccount.Commodity.Space == gnucashCommodityCurrencySpace {
+				data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY] = toAccount.Commodity.Id
+			}
+
+			data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = toAmount
+		} else if (account1.AccountType == gnucashExpenseAccountType && gnucashAssetOrLiabilityAccountTypes[account2.AccountType]) ||
+			(account2.AccountType == gnucashExpenseAccountType && gnucashAssetOrLiabilityAccountTypes[account1.AccountType]) { // expense
+			fromAccount := account1
+			fromAmount := amount1
+			toAccount := account2
+
+			if account1.AccountType == gnucashExpenseAccountType && gnucashAssetOrLiabilityAccountTypes[account2.AccountType] {
+				fromAccount = account2
+				fromAmount = amount2
+				toAccount = account1
+			}
+
+			amount, err := utils.ParseAmount(fromAmount)
+
+			if err != nil {
+				return nil, false, errs.ErrAmountInvalid
+			}
+
+			fromAmount = utils.FormatAmount(-amount)
+
+			data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = utils.IntToString(int(models.TRANSACTION_TYPE_EXPENSE))
+			data[datatable.TRANSACTION_DATA_TABLE_CATEGORY] = t.getCategoryName(toAccount)
+			data[datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY] = toAccount.Name
+			data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = fromAccount.Name
+
+			if fromAccount.Commodity != nil && fromAccount.Commodity.Space == gnucashCommodityCurrencySpace {
+				data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY] = fromAccount.Commodity.Id
+			}
+
+			data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = fromAmount
+		} else if gnucashAssetOrLiabilityAccountTypes[account1.AccountType] && gnucashAssetOrLiabilityAccountTypes[account2.AccountType] {
+			var fromAccount, toAccount *gnucashAccountData
+			var fromAmount, toAmount string
+
+			if len(amount1) > 0 && amount1[0] == '-' {
+				fromAccount = account1
+				fromAmount = amount1[1:]
+				toAccount = account2
+				toAmount = amount2
+			} else if len(amount2) > 0 && amount2[0] == '-' {
+				fromAccount = account2
+				fromAmount = amount2[1:]
+				toAccount = account1
+				toAmount = amount1
+			} else {
+				log.Errorf(ctx, "[gnucash_transaction_table.parseTransaction] cannot parse transfer transaction \"id:%s\", because unexcepted account amounts \"%s\" and \"%s\"", gnucashTransaction.Id, amount1, amount2)
+				return nil, false, errs.ErrInvalidGnuCashFile
+			}
+
+			data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = utils.IntToString(int(models.TRANSACTION_TYPE_TRANSFER))
+			data[datatable.TRANSACTION_DATA_TABLE_CATEGORY] = ""
+			data[datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY] = ""
+			data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = fromAccount.Name
+
+			if fromAccount.Commodity != nil && fromAccount.Commodity.Space == gnucashCommodityCurrencySpace {
+				data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY] = fromAccount.Commodity.Id
+			}
+
+			data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = fromAmount
+			data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = toAccount.Name
+
+			if toAccount.Commodity != nil && toAccount.Commodity.Space == gnucashCommodityCurrencySpace {
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY] = toAccount.Commodity.Id
+			}
+
+			data[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = toAmount
+		} else {
+			log.Errorf(ctx, "[gnucash_transaction_table.parseTransaction] cannot parse transaction \"id:%s\", because unexcepted account types \"%s\" and \"%s\"", gnucashTransaction.Id, account1.AccountType, account2.AccountType)
+			return nil, false, errs.ErrThereAreNotSupportedTransactionType
+		}
+	} else if len(gnucashTransaction.Splits) == 1 {
+		splitData := gnucashTransaction.Splits[0]
+		account := t.dataTable.accountMap[splitData.Account]
+
+		if account == nil {
+			return nil, false, errs.ErrMissingAccountData
+		}
+
+		if splitData.Quantity == "" {
+			return nil, false, errs.ErrAmountInvalid
+		}
+
+		amount, err := t.parseAmount(splitData.Quantity)
+
+		if err != nil {
+			return nil, false, err
+		}
+
+		amountNum, err := utils.ParseAmount(amount)
+
+		if err != nil {
+			return nil, false, err
+		}
+
+		if amountNum == 0 {
+			log.Warnf(ctx, "[gnucash_transaction_table.parseTransaction] skip parsing transaction \"id:%s\" with zero amount", gnucashTransaction.Id)
+			return nil, false, nil
+		}
+
+		log.Errorf(ctx, "[gnucash_transaction_table.parseTransaction] cannot parse transaction \"id:%s\", because split count is %d", gnucashTransaction.Id, len(gnucashTransaction.Splits))
+		return nil, false, errs.ErrThereAreNotSupportedTransactionType
+	} else if len(gnucashTransaction.Splits) < 1 {
+		log.Errorf(ctx, "[gnucash_transaction_table.parseTransaction] cannot parse transaction \"id:%s\", because split count is %d", gnucashTransaction.Id, len(gnucashTransaction.Splits))
+		return nil, false, errs.ErrInvalidGnuCashFile
+	} else {
+		log.Errorf(ctx, "[gnucash_transaction_table.parseTransaction] cannot parse split transaction \"id:%s\", because split count is %d", gnucashTransaction.Id, len(gnucashTransaction.Splits))
+		return nil, false, errs.ErrNotSupportedSplitTransactions
+	}
+
+	data[datatable.TRANSACTION_DATA_TABLE_DESCRIPTION] = gnucashTransaction.Description
+
+	return data, true, nil
+}
+
+func (t *gnucashTransactionDataRowIterator) parseAmount(quantity string) (string, error) {
+	items := strings.Split(quantity, "/")
+
+	if len(items) != 2 {
+		return "", errs.ErrAmountInvalid
+	}
+
+	value, err := utils.StringToInt64(items[0])
+
+	if err != nil {
+		return "", errs.ErrAmountInvalid
+	}
+
+	if items[1] == "100" {
+		return utils.FormatAmount(value), nil
+	}
+
+	factor, err := utils.StringToInt64(items[1])
+
+	if err != nil {
+		return "", errs.ErrAmountInvalid
+	}
+
+	value = value * 100 / factor
+
+	return utils.FormatAmount(value), nil
+}
+
+func (t *gnucashTransactionDataRowIterator) getCategoryName(accountData *gnucashAccountData) string {
+	if accountData == nil || accountData.ParentId == "" {
+		return ""
+	}
+
+	parentAccount := t.dataTable.accountMap[accountData.ParentId]
+
+	if parentAccount == nil || parentAccount.AccountType == gnucashRootAccountType {
+		return ""
+	}
+
+	return parentAccount.Name
+}
+
+func (t *gnucashTransactionDataRowIterator) hasSpecifiedSlotKeyValue(slots []*gnucashSlotData, key string, value string) bool {
+	for i := 0; i < len(slots); i++ {
+		if slots[i].Key == key && slots[i].Value == value {
+			return true
+		}
+	}
+
+	return false
+}
+
+func createNewGnuCashTransactionDataTable(database *gnucashDatabase) (*gnucashTransactionDataTable, error) {
+	if database == nil || len(database.Books) < 1 {
+		return nil, errs.ErrNotFoundTransactionDataInFile
+	}
+
+	allData := make([]*gnucashTransactionData, 0)
+	accountMap := make(map[string]*gnucashAccountData)
+
+	for i := 0; i < len(database.Books); i++ {
+		book := database.Books[i]
+		allData = append(allData, book.Transactions...)
+
+		for j := 0; j < len(book.Accounts); j++ {
+			account := book.Accounts[j]
+			accountMap[account.Id] = account
+		}
+	}
+
+	return &gnucashTransactionDataTable{
+		allData:    allData,
+		accountMap: accountMap,
+	}, nil
+}

pkg/converters/iif/iif_data.go

@@ -0,0 +1,58 @@
+package iif
+
+// iifAccountDataset defines the structure of intuit interchange format (iif) account dataset
+type iifAccountDataset struct {
+	accountDataColumnIndexes map[string]int
+	accounts                 []*iifAccountData
+}
+
+// iifAccountData defines the structure of intuit interchange format (iif) account data
+type iifAccountData struct {
+	dataItems []string
+}
+
+// iifTransactionDataset defines the structure of intuit interchange format (iif) transaction dataset
+type iifTransactionDataset struct {
+	transactionDataColumnIndexes map[string]int
+	splitDataColumnIndexes       map[string]int
+	transactions                 []*iifTransactionData
+}
+
+// iifTransactionData defines the structure of intuit interchange format (iif) transaction data
+type iifTransactionData struct {
+	dataItems []string
+	splitData []*iifTransactionSplitData
+}
+
+// iifTransactionSplitData defines the structure of intuit interchange format (iif) transaction split data
+type iifTransactionSplitData struct {
+	dataItems []string
+}
+
+func (s *iifTransactionDataset) getTransactionDataItemValue(transactionData *iifTransactionData, columnName string) (string, bool) {
+	if transactionData == nil {
+		return "", false
+	}
+
+	index, exists := s.transactionDataColumnIndexes[columnName]
+
+	if !exists || index < 0 || index >= len(transactionData.dataItems) {
+		return "", false
+	}
+
+	return transactionData.dataItems[index], true
+}
+
+func (s *iifTransactionDataset) getSplitDataItemValue(splitData *iifTransactionSplitData, columnName string) (string, bool) {
+	if splitData == nil {
+		return "", false
+	}
+
+	index, exists := s.splitDataColumnIndexes[columnName]
+
+	if !exists || index < 0 || index >= len(splitData.dataItems) {
+		return "", false
+	}
+
+	return splitData.dataItems[index], true
+}

pkg/converters/iif/iif_data_reader.go

@@ -0,0 +1,237 @@
+package iif
+
+import (
+	"bytes"
+	"encoding/csv"
+	"io"
+	"strings"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+)
+
+const iifAccountSampleLineSignColumnName = "!ACCNT"
+const iifTransactionSampleLineSignColumnName = "!TRNS"
+const iifTransactionSplitSampleLineSignColumnName = "!SPL"
+const iifTransactionEndSampleLineSignColumnName = "!ENDTRNS"
+
+const iifAccountLineSignColumnName = "ACCNT"
+const iifTransactionLineSignColumnName = "TRNS"
+const iifTransactionSplitLineSignColumnName = "SPL"
+const iifTransactionEndLineSignColumnName = "ENDTRNS"
+
+// iifDataReader defines the structure of intuit interchange format (iif) data reader
+type iifDataReader struct {
+	reader *csv.Reader
+}
+
+// read returns the iif transaction dataset
+func (r *iifDataReader) read(ctx core.Context) ([]*iifAccountDataset, []*iifTransactionDataset, error) {
+	allAccountDatasets := make([]*iifAccountDataset, 0)
+	allTransactionDatasets := make([]*iifTransactionDataset, 0)
+
+	currentDatasetType := ""
+	lastLineSign := ""
+
+	var currentAccountDataset *iifAccountDataset
+	var currentTransactionDataset *iifTransactionDataset
+	var currentTransactionData *iifTransactionData
+
+	for {
+		items, err := r.reader.Read()
+
+		if err == io.EOF {
+			break
+		}
+
+		if err != nil {
+			log.Errorf(ctx, "[iif_data_reader.read] cannot parse tsv data, because %s", err.Error())
+			return nil, nil, errs.ErrInvalidIIFFile
+		}
+
+		if len(items) == 1 && items[0] == "" {
+			continue
+		}
+
+		if len(items[0]) < 1 {
+			log.Errorf(ctx, "[iif_data_reader.read] line first column is empty")
+			return nil, nil, errs.ErrInvalidIIFFile
+		}
+
+		// read sample line
+		if items[0][0] == '!' {
+			if lastLineSign != "" {
+				log.Errorf(ctx, "[iif_data_reader.read] iif missing transaction end line")
+				return nil, nil, errs.ErrInvalidIIFFile
+			}
+
+			if currentAccountDataset != nil {
+				allAccountDatasets = append(allAccountDatasets, currentAccountDataset)
+				currentAccountDataset = nil
+			}
+
+			if currentTransactionDataset != nil {
+				allTransactionDatasets = append(allTransactionDatasets, currentTransactionDataset)
+				currentTransactionDataset = nil
+			}
+
+			if items[0] == iifTransactionSplitSampleLineSignColumnName || items[0] == iifTransactionEndSampleLineSignColumnName {
+				log.Errorf(ctx, "[iif_data_reader.read] read transaction split sample line or transaction end sample line sign before transaction sample line sign")
+				return nil, nil, errs.ErrInvalidIIFFile
+			} else {
+				currentDatasetType = items[0]
+				lastLineSign = ""
+			}
+
+			if currentDatasetType == iifAccountSampleLineSignColumnName {
+				currentAccountDataset, err = r.readAccountSampleLine(ctx, items)
+
+				if err != nil {
+					return nil, nil, err
+				}
+			} else if currentDatasetType == iifTransactionSampleLineSignColumnName {
+				currentTransactionDataset, err = r.readTransactionSampleLines(ctx, items)
+
+				if err != nil {
+					return nil, nil, err
+				}
+			} // not process (read sample line) for other dataset type
+
+			continue
+		}
+
+		// read data lines
+		if currentDatasetType == "" {
+			log.Errorf(ctx, "[iif_data_reader.read] cannot read data line before sample line")
+			return nil, nil, errs.ErrInvalidIIFFile
+		} else if currentDatasetType == iifAccountSampleLineSignColumnName && currentAccountDataset != nil {
+			if items[0] == iifAccountLineSignColumnName {
+				accountData := &iifAccountData{
+					dataItems: items,
+				}
+				currentAccountDataset.accounts = append(currentAccountDataset.accounts, accountData)
+			} else {
+				log.Errorf(ctx, "[iif_data_reader.read] iif line expected reading account sign, but actual is \"%s\"", items[0])
+				return nil, nil, errs.ErrInvalidIIFFile
+			}
+		} else if currentDatasetType == iifTransactionSampleLineSignColumnName && currentTransactionDataset != nil {
+			if lastLineSign == "" {
+				if items[0] == iifTransactionLineSignColumnName {
+					currentTransactionData = &iifTransactionData{
+						dataItems: items,
+						splitData: make([]*iifTransactionSplitData, 0),
+					}
+					lastLineSign = items[0]
+				} else {
+					log.Errorf(ctx, "[iif_data_reader.read] iif line expected reading transaction sign, but actual is \"%s\"", items[0])
+					return nil, nil, errs.ErrInvalidIIFFile
+				}
+			} else if lastLineSign == iifTransactionLineSignColumnName || lastLineSign == iifTransactionSplitLineSignColumnName {
+				if items[0] == iifTransactionSplitLineSignColumnName {
+					currentTransactionData.splitData = append(currentTransactionData.splitData, &iifTransactionSplitData{
+						dataItems: items,
+					})
+					lastLineSign = items[0]
+				} else if items[0] == iifTransactionEndLineSignColumnName {
+					currentTransactionDataset.transactions = append(currentTransactionDataset.transactions, currentTransactionData)
+					lastLineSign = ""
+				} else {
+					log.Errorf(ctx, "[iif_data_reader.read] iif line expected reading split sign or transaction end sign, but actual is \"%s\"", items[0])
+					return nil, nil, errs.ErrInvalidIIFFile
+				}
+			} else {
+				log.Errorf(ctx, "[iif_data_reader.read] iif missing transaction sample end line")
+				return nil, nil, errs.ErrInvalidIIFFile
+			}
+		} // not process (read data line) for other dataset type
+	}
+
+	if lastLineSign != "" {
+		log.Errorf(ctx, "[iif_data_reader.read] iif missing transaction end line")
+		return nil, nil, errs.ErrInvalidIIFFile
+	}
+
+	if currentAccountDataset != nil {
+		allAccountDatasets = append(allAccountDatasets, currentAccountDataset)
+	}
+
+	if currentTransactionDataset != nil {
+		allTransactionDatasets = append(allTransactionDatasets, currentTransactionDataset)
+	}
+
+	return allAccountDatasets, allTransactionDatasets, nil
+}
+
+func (r *iifDataReader) readAccountSampleLine(ctx core.Context, items []string) (*iifAccountDataset, error) {
+	accountSampleItems := items
+	accountDataColumnIndexes := make(map[string]int, len(accountSampleItems))
+
+	for i := 1; i < len(accountSampleItems); i++ {
+		columnName := accountSampleItems[i]
+		accountDataColumnIndexes[columnName] = i
+	}
+
+	return &iifAccountDataset{
+		accountDataColumnIndexes: accountDataColumnIndexes,
+		accounts:                 make([]*iifAccountData, 0),
+	}, nil
+}
+
+func (r *iifDataReader) readTransactionSampleLines(ctx core.Context, items []string) (*iifTransactionDataset, error) {
+	transactionSampleItems := items
+	transactionDataColumnIndexes := make(map[string]int, len(transactionSampleItems))
+
+	for i := 1; i < len(transactionSampleItems); i++ {
+		columnName := transactionSampleItems[i]
+		transactionDataColumnIndexes[columnName] = i
+	}
+
+	splitSampleItems, err := r.reader.Read()
+
+	if err == io.EOF {
+		log.Errorf(ctx, "[iif_data_reader.readTransactionSampleLines] expected reading transaction split sample line, but read eof")
+		return nil, errs.ErrInvalidIIFFile
+	}
+
+	if len(splitSampleItems) < 1 || splitSampleItems[0] != iifTransactionSplitSampleLineSignColumnName {
+		log.Errorf(ctx, "[iif_data_reader.readTransactionSampleLines] expected reading transaction split sample line, but read \"%s\"", strings.Join(splitSampleItems, "\t"))
+		return nil, errs.ErrInvalidIIFFile
+	}
+
+	splitDataColumnIndexes := make(map[string]int, len(splitSampleItems))
+
+	for i := 1; i < len(splitSampleItems); i++ {
+		columnName := splitSampleItems[i]
+		splitDataColumnIndexes[columnName] = i
+	}
+
+	transactionEndSampleItems, err := r.reader.Read()
+
+	if err == io.EOF {
+		log.Errorf(ctx, "[iif_data_reader.readTransactionSampleLines] expected reading transaction end sample line, but read eof")
+		return nil, errs.ErrInvalidIIFFile
+	}
+
+	if len(transactionEndSampleItems) < 1 || transactionEndSampleItems[0] != iifTransactionEndSampleLineSignColumnName {
+		log.Errorf(ctx, "[iif_data_reader.readTransactionSampleLines] expected reading transaction end sample line, but read \"%s\"", strings.Join(splitSampleItems, "\t"))
+		return nil, errs.ErrInvalidIIFFile
+	}
+
+	return &iifTransactionDataset{
+		transactionDataColumnIndexes: transactionDataColumnIndexes,
+		splitDataColumnIndexes:       splitDataColumnIndexes,
+		transactions:                 make([]*iifTransactionData, 0),
+	}, nil
+}
+
+func createNewIifDataReader(data []byte) *iifDataReader {
+	reader := bytes.NewReader(data)
+	csvReader := csv.NewReader(reader)
+	csvReader.Comma = '\t'
+	csvReader.FieldsPerRecord = -1
+
+	return &iifDataReader{
+		reader: csvReader,
+	}
+}

pkg/converters/iif/iif_transaction_data_file_importer.go

@@ -0,0 +1,43 @@
+package iif
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+var iifTransactionTypeNameMapping = map[models.TransactionType]string{
+	models.TRANSACTION_TYPE_MODIFY_BALANCE: utils.IntToString(int(models.TRANSACTION_TYPE_MODIFY_BALANCE)),
+	models.TRANSACTION_TYPE_INCOME:         utils.IntToString(int(models.TRANSACTION_TYPE_INCOME)),
+	models.TRANSACTION_TYPE_EXPENSE:        utils.IntToString(int(models.TRANSACTION_TYPE_EXPENSE)),
+	models.TRANSACTION_TYPE_TRANSFER:       utils.IntToString(int(models.TRANSACTION_TYPE_TRANSFER)),
+}
+
+// iifTransactionDataFileImporter defines the structure of intuit interchange format (iif) for transaction data
+type iifTransactionDataFileImporter struct{}
+
+// Initialize an intuit interchange format (iif) file importer singleton instance
+var (
+	IifTransactionDataFileImporter = &iifTransactionDataFileImporter{}
+)
+
+// ParseImportedData returns the imported data by parsing the intuit interchange format (iif) data
+func (c *iifTransactionDataFileImporter) ParseImportedData(ctx core.Context, user *models.User, data []byte, defaultTimezoneOffset int16, accountMap map[string]*models.Account, expenseCategoryMap map[string]*models.TransactionCategory, incomeCategoryMap map[string]*models.TransactionCategory, transferCategoryMap map[string]*models.TransactionCategory, tagMap map[string]*models.TransactionTag) (models.ImportedTransactionSlice, []*models.Account, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionTag, error) {
+	iifDataReader := createNewIifDataReader(data)
+	accountDatasets, transactionDatasets, err := iifDataReader.read(ctx)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	transactionDataTable, err := createNewIIfTransactionDataTable(ctx, accountDatasets, transactionDatasets)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	dataTableImporter := datatable.CreateNewSimpleImporter(iifTransactionTypeNameMapping)
+
+	return dataTableImporter.ParseImportedData(ctx, user, transactionDataTable, defaultTimezoneOffset, accountMap, expenseCategoryMap, incomeCategoryMap, transferCategoryMap, tagMap)
+}

pkg/converters/iif/iif_transaction_data_file_importer_test.go

@@ -0,0 +1,680 @@
+package iif
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+func TestIIFTransactionDataFileParseImportedData_MinimumValidData(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, allNewAccounts, allNewSubExpenseCategories, allNewSubIncomeCategories, allNewSubTransferCategories, allNewTags, err := converter.ParseImportedData(context, user, []byte(
+		"!ACCNT\tNAME\tACCNTTYPE\n"+
+			"ACCNT\tTest Account\tBANK\n"+
+			"ACCNT\tTest Account2\tBANK\n"+
+			"ACCNT\tTest Category\tINC\n"+
+			"ACCNT\tTest Category2\tEXP\n"+
+			"!TRNS\tTRNSTYPE\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tTRNSTYPE\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\t\n"+
+			"TRNS\tBEGINBALCHECK\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\tBEGINBALCHECK\t09/01/2024\txxx\t-123.45\n"+
+			"ENDTRNS\t\t\t\t\n"+
+			"TRNS\tDEPOSIT\t09/02/2024\tTest Account\t0.12\n"+
+			"SPL\tDEPOSIT\t09/02/2024\tTest Category\t-0.12\n"+
+			"ENDTRNS\t\t\t\t\n"+
+			"TRNS\tCREDIT CARD\t09/03/2024\tTest Account\t-1.00\n"+
+			"SPL\tCREDIT CARD\t09/03/2024\tTest Category2\t1.00\n"+
+			"ENDTRNS\t\t\t\t\n"+
+			"TRNS\tTRANSFER\t09/04/2024\tTest Account\t-0.05\n"+
+			"SPL\tTRANSFER\t09/04/2024\tTest Account2\t0.05\n"+
+			"ENDTRNS\t\t\t\t\n"+
+			"TRNS\tGENERAL JOURNAL\t09/05/2024\tTest Account\t0.06\n"+
+			"SPL\tGENERAL JOURNAL\t09/05/2024\tTest Account2\t-0.06\n"+
+			"ENDTRNS\t\t\t\t\n"+
+			"TRNS\tDEPOSIT\t09/06/2024\tTest Category\t-23.45\n"+
+			"SPL\tDEPOSIT\t09/06/2024\tTest Account2\t23.45\n"+
+			"ENDTRNS\t\t\t\t\n"+
+			"TRNS\tCREDIT CARD\t09/07/2024\tTest Category2\t34.56\n"+
+			"SPL\tCREDIT CARD\t09/07/2024\tTest Account2\t-34.56\n"+
+			"ENDTRNS\t\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 7, len(allNewTransactions))
+	assert.Equal(t, 2, len(allNewAccounts))
+	assert.Equal(t, 1, len(allNewSubExpenseCategories))
+	assert.Equal(t, 1, len(allNewSubIncomeCategories))
+	assert.Equal(t, 1, len(allNewSubTransferCategories))
+	assert.Equal(t, 0, len(allNewTags))
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_MODIFY_BALANCE, allNewTransactions[0].Type)
+	assert.Equal(t, int64(1725148800), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[0].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[1].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[1].Type)
+	assert.Equal(t, int64(1725235200), utils.GetUnixTimeFromTransactionTime(allNewTransactions[1].TransactionTime))
+	assert.Equal(t, int64(12), allNewTransactions[1].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[1].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category", allNewTransactions[1].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[2].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[2].Type)
+	assert.Equal(t, int64(1725321600), utils.GetUnixTimeFromTransactionTime(allNewTransactions[2].TransactionTime))
+	assert.Equal(t, int64(100), allNewTransactions[2].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[2].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category2", allNewTransactions[2].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[3].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[3].Type)
+	assert.Equal(t, int64(1725408000), utils.GetUnixTimeFromTransactionTime(allNewTransactions[3].TransactionTime))
+	assert.Equal(t, int64(5), allNewTransactions[3].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[3].OriginalSourceAccountName)
+	assert.Equal(t, "Test Account2", allNewTransactions[3].OriginalDestinationAccountName)
+	assert.Equal(t, "", allNewTransactions[3].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[4].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[4].Type)
+	assert.Equal(t, int64(1725494400), utils.GetUnixTimeFromTransactionTime(allNewTransactions[4].TransactionTime))
+	assert.Equal(t, int64(6), allNewTransactions[4].Amount)
+	assert.Equal(t, "Test Account2", allNewTransactions[4].OriginalSourceAccountName)
+	assert.Equal(t, "Test Account", allNewTransactions[4].OriginalDestinationAccountName)
+	assert.Equal(t, "", allNewTransactions[4].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[5].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[5].Type)
+	assert.Equal(t, int64(1725580800), utils.GetUnixTimeFromTransactionTime(allNewTransactions[5].TransactionTime))
+	assert.Equal(t, int64(2345), allNewTransactions[5].Amount)
+	assert.Equal(t, "Test Account2", allNewTransactions[5].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[5].OriginalDestinationAccountName)
+	assert.Equal(t, "Test Category", allNewTransactions[5].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[6].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[6].Type)
+	assert.Equal(t, int64(1725667200), utils.GetUnixTimeFromTransactionTime(allNewTransactions[6].TransactionTime))
+	assert.Equal(t, int64(3456), allNewTransactions[6].Amount)
+	assert.Equal(t, "Test Account2", allNewTransactions[6].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[6].OriginalDestinationAccountName)
+	assert.Equal(t, "Test Category2", allNewTransactions[6].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[0].Uid)
+	assert.Equal(t, "Test Account", allNewAccounts[0].Name)
+	assert.Equal(t, "CNY", allNewAccounts[0].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[1].Uid)
+	assert.Equal(t, "Test Account2", allNewAccounts[1].Name)
+	assert.Equal(t, "CNY", allNewAccounts[1].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewSubExpenseCategories[0].Uid)
+	assert.Equal(t, "Test Category2", allNewSubExpenseCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubIncomeCategories[0].Uid)
+	assert.Equal(t, "Test Category", allNewSubIncomeCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubTransferCategories[0].Uid)
+	assert.Equal(t, "", allNewSubTransferCategories[0].Name)
+}
+
+func TestIIFTransactionDataFileParseImportedData_MinimumValidDataWithoutAccountData(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\t09/01/2024\tTest Category\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 1, len(allNewTransactions))
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[0].Type)
+	assert.Equal(t, int64(1725148800), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+	assert.Equal(t, "Test Category", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "Test Account", allNewTransactions[0].OriginalDestinationAccountName)
+	assert.Equal(t, "", allNewTransactions[0].OriginalCategoryName)
+}
+
+func TestIIFTransactionDataFileParseImportedData_MultipleDataset(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"!ACCNT\tNAME\tACCNTTYPE\n"+
+			"ACCNT\tTest Account3\tBANK\n"+
+			"ACCNT\tTest Account4\tBANK\n"+
+			"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/05/2024\tTest Account\t-0.05\n"+
+			"SPL\t09/05/2024\tTest Account2\t0.05\n"+
+			"ENDTRNS\t\t\t\n"+
+			"!TRNS\tTRNSID\tTRNSTYPE\tDATE\tACCNT\tNAME\tCLASS\tAMOUNT\tDOCNUM\tMEMO\tCLEAR\tTOPRINT\tADDR5\tDUEDATE\tTERMS\n"+
+			"!SPL\tSPLID\tTRNSTYPE\tDATE\tACCNT\tNAME\tCLASS\tAMOUNT\tDOCNUM\tMEMO\tCLEAR\tQNTY\tREIMBEXP\tSERVICEDATE\tOTHER2\n"+
+			"!ENDTRNS\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n"+
+			"TRNS\t\tTRANSFER\t09/04/2024\tTest Account3\t\tTest Class\t123.45\t\t\t\t\t\t\t\n"+
+			"SPL\t\tTRANSFER\t09/04/2024\tTest Account4\t\t\t-123.45\t\t\t\t\t\t\t\n"+
+			"ENDTRNS\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n"+
+			"!CLASS\tNAME\tHIDDEN\n"+
+			"CLASS\tTest Class\tN\n"+
+			"!TRNS\tTRNSTYPE\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tTRNSTYPE\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\t\n"+
+			"TRNS\tBEGINBALCHECK\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\tBEGINBALCHECK\t09/01/2024\txxx\t-123.45\n"+
+			"ENDTRNS\t\t\t\t\n"+
+			"TRNS\tDEPOSIT\t09/02/2024\tTest Account\t0.12\n"+
+			"SPL\tDEPOSIT\t09/02/2024\tTest Category\t-0.12\n"+
+			"ENDTRNS\t\t\t\t\n"+
+			"TRNS\tCREDIT CARD\t09/03/2024\tTest Account\t-1.00\n"+
+			"SPL\tCREDIT CARD\t09/03/2024\tTest Category2\t1.00\n"+
+			"ENDTRNS\t\t\t\t\n"+
+			"!ACCNT\tTEST\tNAME\tACCNTTYPE\n"+
+			"ACCNT\t\tTest Category\tINC\n"+
+			"ACCNT\t\tTest Category2\tEXP\n"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 5, len(allNewTransactions))
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_MODIFY_BALANCE, allNewTransactions[0].Type)
+	assert.Equal(t, int64(1725148800), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[0].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[1].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[1].Type)
+	assert.Equal(t, int64(1725235200), utils.GetUnixTimeFromTransactionTime(allNewTransactions[1].TransactionTime))
+	assert.Equal(t, int64(12), allNewTransactions[1].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[1].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category", allNewTransactions[1].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[2].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[2].Type)
+	assert.Equal(t, int64(1725321600), utils.GetUnixTimeFromTransactionTime(allNewTransactions[2].TransactionTime))
+	assert.Equal(t, int64(100), allNewTransactions[2].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[2].OriginalSourceAccountName)
+	assert.Equal(t, "Test Category2", allNewTransactions[2].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[3].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[3].Type)
+	assert.Equal(t, int64(1725408000), utils.GetUnixTimeFromTransactionTime(allNewTransactions[3].TransactionTime))
+	assert.Equal(t, int64(12345), allNewTransactions[3].Amount)
+	assert.Equal(t, "Test Account4", allNewTransactions[3].OriginalSourceAccountName)
+	assert.Equal(t, "Test Account3", allNewTransactions[3].OriginalDestinationAccountName)
+	assert.Equal(t, "", allNewTransactions[3].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[4].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[4].Type)
+	assert.Equal(t, int64(1725494400), utils.GetUnixTimeFromTransactionTime(allNewTransactions[4].TransactionTime))
+	assert.Equal(t, int64(5), allNewTransactions[4].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[4].OriginalSourceAccountName)
+	assert.Equal(t, "Test Account2", allNewTransactions[4].OriginalDestinationAccountName)
+	assert.Equal(t, "", allNewTransactions[4].OriginalCategoryName)
+}
+
+func TestIIFTransactionDataFileParseImportedData_ParseCategoryAndSubCategory(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, allNewSubExpenseCategories, allNewSubIncomeCategories, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"!ACCNT\tNAME\tACCNTTYPE\n"+
+			"ACCNT\tTest Parent Category:Test Category\tINC\n"+
+			"ACCNT\tTest Parent Category2:Test Category2\tEXP\n"+
+			"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\t09/01/2024\tTest Parent Category:Test Category\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"+
+			"TRNS\t09/02/2024\tTest Account2\t-123.45\n"+
+			"SPL\t09/02/2024\tTest Parent Category2:Test Category2\t123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 2, len(allNewTransactions))
+	assert.Equal(t, 1, len(allNewSubExpenseCategories))
+	assert.Equal(t, 1, len(allNewSubIncomeCategories))
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[0].Type)
+	assert.Equal(t, int64(1725148800), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+	assert.Equal(t, "Test Account", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[0].OriginalDestinationAccountName)
+	assert.Equal(t, "Test Category", allNewTransactions[0].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[1].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[1].Type)
+	assert.Equal(t, int64(1725235200), utils.GetUnixTimeFromTransactionTime(allNewTransactions[1].TransactionTime))
+	assert.Equal(t, int64(12345), allNewTransactions[1].Amount)
+	assert.Equal(t, "Test Account2", allNewTransactions[1].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[1].OriginalDestinationAccountName)
+	assert.Equal(t, "Test Category2", allNewTransactions[1].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewSubIncomeCategories[0].Uid)
+	assert.Equal(t, "Test Category", allNewSubIncomeCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubExpenseCategories[0].Uid)
+	assert.Equal(t, "Test Category2", allNewSubExpenseCategories[0].Name)
+}
+
+func TestIIFTransactionDataFileParseImportedData_ParseYearMonthDayFormatTime(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t2024/09/01\tTest Account\t123.45\n"+
+			"SPL\t2024/09/01\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"+
+			"TRNS\t2024/09/2\tTest Account\t123.45\n"+
+			"SPL\t2024/09/2\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"+
+			"TRNS\t2024/9/03\tTest Account\t123.45\n"+
+			"SPL\t2024/9/03\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"+
+			"TRNS\t2024/9/4\tTest Account\t123.45\n"+
+			"SPL\t2024/9/4\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 4, len(allNewTransactions))
+	assert.Equal(t, int64(1725148800), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+	assert.Equal(t, int64(1725235200), utils.GetUnixTimeFromTransactionTime(allNewTransactions[1].TransactionTime))
+	assert.Equal(t, int64(1725321600), utils.GetUnixTimeFromTransactionTime(allNewTransactions[2].TransactionTime))
+	assert.Equal(t, int64(1725408000), utils.GetUnixTimeFromTransactionTime(allNewTransactions[3].TransactionTime))
+}
+
+func TestIIFTransactionDataFileParseImportedData_ParseShortMonthDayFormatTime(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t9/01/2024\tTest Account\t123.45\n"+
+			"SPL\t9/01/2024\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"+
+			"TRNS\t09/2/2024\tTest Account\t123.45\n"+
+			"SPL\t09/2/2024\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"+
+			"TRNS\t9/3/2024\tTest Account\t123.45\n"+
+			"SPL\t9/3/2024\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 3, len(allNewTransactions))
+	assert.Equal(t, int64(1725148800), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+	assert.Equal(t, int64(1725235200), utils.GetUnixTimeFromTransactionTime(allNewTransactions[1].TransactionTime))
+	assert.Equal(t, int64(1725321600), utils.GetUnixTimeFromTransactionTime(allNewTransactions[2].TransactionTime))
+}
+
+func TestIIFTransactionDataFileParseImportedData_ParseInvalidTime(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t9/1/24\tTest Account\t123.45\n"+
+			"SPL\t9/1/24\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t2024-09-01\tTest Account\t123.45\n"+
+			"SPL\t2024-09-01\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t9/24\tTest Account\t123.45\n"+
+			"SPL\t9/24\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+}
+
+func TestIIFTransactionDataFileParseImportedData_ParseAmountWithThousandsSeparator(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t9/01/2024\tTest Account\t123,456.78\n"+
+			"SPL\t9/01/2024\tTest Account2\t-123,456.78\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, int64(12345678), allNewTransactions[0].Amount)
+}
+
+func TestIIFTransactionDataFileParseImportedData_ParseInvalidAmount(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\t123 45\n"+
+			"SPL\t09/01/2024\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAmountInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\t09/01/2024\tTest Account2\t-123 45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAmountInvalid.Message)
+}
+
+func TestIIFTransactionDataFileParseImportedData_ParseDescription(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tNAME\tAMOUNT\tMEMO\n"+
+			"!SPL\tDATE\tACCNT\tNAME\tAMOUNT\tMEMO\n"+
+			"!ENDTRNS\t\t\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\t\"Test\"\t123.45\t\"foo    bar\t#test\"\n"+
+			"SPL\t09/01/2024\tTest Account2\t\t-123.45\t\n"+
+			"ENDTRNS\t\t\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "foo    bar\t#test", allNewTransactions[0].Comment)
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tNAME\tAMOUNT\tMEMO\n"+
+			"!SPL\tDATE\tACCNT\tNAME\tAMOUNT\tMEMO\n"+
+			"!ENDTRNS\t\t\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\tTest\t123.45\t\n"+
+			"SPL\t09/01/2024\tTest Account2\t\t-123.45\t\n"+
+			"ENDTRNS\t\t\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "Test", allNewTransactions[0].Comment)
+}
+
+func TestIIFTransactionDataFileParseImportedData_NotSupportedToParseSplitTransaction(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\t09/01/2024\tTest Account2\t-100.00\n"+
+			"SPL\t09/01/2024\tTest Account3\t-23.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrNotSupportedSplitTransactions.Message)
+}
+
+func TestIIFTransactionDataFileParseImportedData_InvalidDataLines(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	// Missing Transaction Line
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"SPL\t09/01/2024\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+
+	// Missing Split Line
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+
+	// Missing Transaction End Line
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\t09/01/2024\tTest Account2\t-123.45\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+
+	// Missing Transaction End Line (following is another header)
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\t09/01/2024\tTest Account2\t-123.45\n"+
+			"!ACCNT\tNAME\tACCNTTYPE\n"+
+			"ACCNT\tTest Account\tBANK\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+
+	// Invalid Line
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\t09/01/2024\tTest Account2\t-123.45\n"+
+			"TEST\t\t\t\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+
+	// Repeat Transaction Line
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\t09/01/2024\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+
+	// Repeat Transaction End Line
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\t\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\t\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\t09/01/2024\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+}
+
+func TestIIFTransactionDataFileParseImportedData_InvalidHeaderLines(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	// Missing All Sample Lines
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\t09/01/2024\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+
+	// Missing Transaction Sample Line
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+
+	// Missing Split Sample Line
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+
+	// Missing Transaction End Sample Line
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+
+	// Missing Transaction End Sample Line (following is data line)
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!SPL\tDATE\tACCNT\tAMOUNT\n"+
+			"TRNS\t09/01/2024\tTest Account\t123.45\n"+
+			"SPL\t09/01/2024\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+
+	// Invalid Sample Line
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\tAMOUNT\n"+
+			"!TEST\tDATE\tACCNT\tAMOUNT\n"+
+			"!ENDTRNS\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrInvalidIIFFile.Message)
+}
+
+func TestIIFTransactionDataFileParseImportedData_MissingRequiredColumn(t *testing.T) {
+	converter := IifTransactionDataFileImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	// Missing Date Column
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tACCNT\tAMOUNT\t\n"+
+			"!SPL\tACCNT\tAMOUNT\t\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\tTest Account\t123.45\n"+
+			"SPL\tTest Account2\t-123.45\n"+
+			"ENDTRNS\t\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Account Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tAMOUNT\t\n"+
+			"!SPL\tDATE\tAMOUNT\t\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\t123.45\n"+
+			"SPL\t09/01/2024\t-123.45\n"+
+			"ENDTRNS\t\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+
+	// Missing Amount Column
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"!TRNS\tDATE\tACCNT\t\n"+
+			"!SPL\tDATE\tACCNT\t\n"+
+			"!ENDTRNS\t\t\t\n"+
+			"TRNS\t09/01/2024\tTest Account\n"+
+			"SPL\t09/01/2024\tTest Account2\n"+
+			"ENDTRNS\t\t\t\t\n"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingRequiredFieldInHeaderRow.Message)
+}

pkg/converters/iif/iif_transaction_data_table.go

@@ -0,0 +1,392 @@
+package iif
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+const iifAccountNameColumnName = "NAME"
+const iifAccountTypeColumnName = "ACCNTTYPE"
+
+const iifAccountTypeIncome = "INC"
+const iifAccountTypeExpense = "EXP"
+
+const iifTransactionTypeColumnName = "TRNSTYPE"
+const iifTransactionDateColumnName = "DATE"
+const iifTransactionAccountNameColumnName = "ACCNT"
+const iifTransactionNameColumnName = "NAME"
+const iifTransactionAmountColumnName = "AMOUNT"
+const iifTransactionMemoColumnName = "MEMO"
+
+const iifTransactionTypeBeginningBalance = "BEGINBALCHECK"
+
+const iifTransactionCategorySeparator = ":"
+
+var iifTransactionSupportedColumns = map[datatable.TransactionDataTableColumn]bool{
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME:     true,
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE:     true,
+	datatable.TRANSACTION_DATA_TABLE_CATEGORY:             true,
+	datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY:         true,
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME:         true,
+	datatable.TRANSACTION_DATA_TABLE_AMOUNT:               true,
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME: true,
+	datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT:       true,
+	datatable.TRANSACTION_DATA_TABLE_DESCRIPTION:          true,
+}
+
+// iifTransactionDataTable defines the structure of intuit interchange format (iif) transaction data table
+type iifTransactionDataTable struct {
+	incomeAccountNames  map[string]bool
+	expenseAccountNames map[string]bool
+	transactionDatasets []*iifTransactionDataset
+}
+
+// iifTransactionDataRow defines the structure of intuit interchange format (iif) transaction data row
+type iifTransactionDataRow struct {
+	dataTable  *iifTransactionDataTable
+	finalItems map[datatable.TransactionDataTableColumn]string
+}
+
+// iifTransactionDataRowIterator defines the structure of intuit interchange format (iif) transaction data row iterator
+type iifTransactionDataRowIterator struct {
+	dataTable             *iifTransactionDataTable
+	currentDatasetIndex   int
+	currentIndexInDataset int
+}
+
+// HasColumn returns whether the transaction data table has specified column
+func (t *iifTransactionDataTable) HasColumn(column datatable.TransactionDataTableColumn) bool {
+	_, exists := iifTransactionSupportedColumns[column]
+	return exists
+}
+
+// TransactionRowCount returns the total count of transaction data row
+func (t *iifTransactionDataTable) TransactionRowCount() int {
+	totalDataRowCount := 0
+
+	for i := 0; i < len(t.transactionDatasets); i++ {
+		transactions := t.transactionDatasets[i]
+		totalDataRowCount += len(transactions.transactions)
+	}
+
+	return totalDataRowCount
+}
+
+// TransactionRowIterator returns the iterator of transaction data row
+func (t *iifTransactionDataTable) TransactionRowIterator() datatable.TransactionDataRowIterator {
+	return &iifTransactionDataRowIterator{
+		dataTable:             t,
+		currentDatasetIndex:   0,
+		currentIndexInDataset: -1,
+	}
+}
+
+// IsValid returns whether this row is valid data for importing
+func (r *iifTransactionDataRow) IsValid() bool {
+	return true
+}
+
+// GetData returns the data in the specified column type
+func (r *iifTransactionDataRow) GetData(column datatable.TransactionDataTableColumn) string {
+	_, exists := iifTransactionSupportedColumns[column]
+
+	if exists {
+		return r.finalItems[column]
+	}
+
+	return ""
+}
+
+// HasNext returns whether the iterator does not reach the end
+func (t *iifTransactionDataRowIterator) HasNext() bool {
+	allDatasets := t.dataTable.transactionDatasets
+
+	if t.currentDatasetIndex >= len(allDatasets) {
+		return false
+	}
+
+	currentDataset := allDatasets[t.currentDatasetIndex]
+
+	if t.currentIndexInDataset+1 < len(currentDataset.transactions) {
+		return true
+	}
+
+	for i := t.currentDatasetIndex + 1; i < len(allDatasets); i++ {
+		dataset := allDatasets[i]
+
+		if len(dataset.transactions) < 1 {
+			continue
+		}
+
+		return true
+	}
+
+	return false
+}
+
+// Next returns the next imported data row
+func (t *iifTransactionDataRowIterator) Next(ctx core.Context, user *models.User) (daraRow datatable.TransactionDataRow, err error) {
+	allDatasets := t.dataTable.transactionDatasets
+	currentIndexInDataset := t.currentIndexInDataset
+
+	for i := t.currentDatasetIndex; i < len(allDatasets); i++ {
+		dataset := allDatasets[i]
+
+		if currentIndexInDataset+1 < len(dataset.transactions) {
+			t.currentIndexInDataset++
+			currentIndexInDataset = t.currentIndexInDataset
+			break
+		}
+
+		t.currentDatasetIndex++
+		t.currentIndexInDataset = -1
+		currentIndexInDataset = -1
+	}
+
+	if t.currentDatasetIndex >= len(allDatasets) {
+		return nil, nil
+	}
+
+	currentDataset := allDatasets[t.currentDatasetIndex]
+
+	if t.currentIndexInDataset >= len(currentDataset.transactions) {
+		return nil, nil
+	}
+
+	data := currentDataset.transactions[t.currentIndexInDataset]
+	rowItems, err := t.parseTransaction(ctx, user, currentDataset, data)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &iifTransactionDataRow{
+		dataTable:  t.dataTable,
+		finalItems: rowItems,
+	}, nil
+}
+
+func (t *iifTransactionDataRowIterator) parseTransaction(ctx core.Context, user *models.User, dataset *iifTransactionDataset, transactionData *iifTransactionData) (map[datatable.TransactionDataTableColumn]string, error) {
+	if len(transactionData.splitData) < 1 {
+		return nil, errs.ErrInvalidIIFFile
+	} else if len(transactionData.splitData) > 1 {
+		return nil, errs.ErrNotSupportedSplitTransactions
+	}
+
+	var err error
+
+	data := make(map[datatable.TransactionDataTableColumn]string, len(iifTransactionSupportedColumns))
+	data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME], err = t.parseTransactionTime(dataset, transactionData)
+
+	if err != nil {
+		return nil, err
+	}
+
+	transactionType, _ := dataset.getTransactionDataItemValue(transactionData, iifTransactionTypeColumnName)
+	accountName1, _ := dataset.getTransactionDataItemValue(transactionData, iifTransactionAccountNameColumnName)
+	accountName2, _ := dataset.getSplitDataItemValue(transactionData.splitData[0], iifTransactionAccountNameColumnName)
+	amount1, _ := dataset.getTransactionDataItemValue(transactionData, iifTransactionAmountColumnName)
+	amount2, _ := dataset.getSplitDataItemValue(transactionData.splitData[0], iifTransactionAmountColumnName)
+	amountNum1, err := utils.ParseAmount(strings.ReplaceAll(amount1, ",", ""))
+
+	if err != nil {
+		return nil, errs.ErrAmountInvalid
+	}
+
+	amountNum2, err := utils.ParseAmount(strings.ReplaceAll(amount2, ",", ""))
+
+	if err != nil {
+		return nil, errs.ErrAmountInvalid
+	}
+
+	if transactionType == iifTransactionTypeBeginningBalance { // balance modification
+		data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = iifTransactionTypeNameMapping[models.TRANSACTION_TYPE_MODIFY_BALANCE]
+		data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = accountName1
+		data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(amountNum1)
+	} else if t.dataTable.incomeAccountNames[accountName1] || t.dataTable.incomeAccountNames[accountName2] { // income
+		data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = iifTransactionTypeNameMapping[models.TRANSACTION_TYPE_INCOME]
+		categoryName := ""
+		accountName := ""
+		amountNum := int64(0)
+
+		if t.dataTable.incomeAccountNames[accountName1] && !t.dataTable.incomeAccountNames[accountName2] {
+			categoryName = accountName1
+			accountName = accountName2
+			amountNum = amountNum2
+		} else if t.dataTable.incomeAccountNames[accountName2] && !t.dataTable.incomeAccountNames[accountName1] {
+			categoryName = accountName2
+			accountName = accountName1
+			amountNum = amountNum1
+		} else {
+			log.Errorf(ctx, "[iif_transaction_data_table.parseTransaction] cannot parse transaction, because two accounts \"%s\" and \"%s\" are all income account", accountName1, accountName2)
+			return nil, errs.ErrInvalidIIFFile
+		}
+
+		categoryNames := strings.Split(categoryName, iifTransactionCategorySeparator)
+
+		if len(categoryNames) > 1 {
+			data[datatable.TRANSACTION_DATA_TABLE_CATEGORY] = categoryNames[0]
+			data[datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY] = categoryNames[len(categoryNames)-1]
+		} else {
+			data[datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY] = categoryName
+		}
+
+		data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = accountName
+		data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(amountNum)
+	} else if t.dataTable.expenseAccountNames[accountName1] || t.dataTable.expenseAccountNames[accountName2] { // expense
+		data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = iifTransactionTypeNameMapping[models.TRANSACTION_TYPE_EXPENSE]
+		categoryName := ""
+		accountName := ""
+		amountNum := int64(0)
+
+		if t.dataTable.expenseAccountNames[accountName1] && !t.dataTable.expenseAccountNames[accountName2] {
+			categoryName = accountName1
+			accountName = accountName2
+			amountNum = amountNum2
+		} else if t.dataTable.expenseAccountNames[accountName2] && !t.dataTable.expenseAccountNames[accountName1] {
+			categoryName = accountName2
+			accountName = accountName1
+			amountNum = amountNum1
+		} else {
+			log.Errorf(ctx, "[iif_transaction_data_table.parseTransaction] cannot parse transaction, because two accounts \"%s\" and \"%s\" are all expense account", accountName1, accountName2)
+			return nil, errs.ErrInvalidIIFFile
+		}
+
+		categoryNames := strings.Split(categoryName, iifTransactionCategorySeparator)
+
+		if len(categoryNames) > 1 {
+			data[datatable.TRANSACTION_DATA_TABLE_CATEGORY] = categoryNames[0]
+			data[datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY] = categoryNames[len(categoryNames)-1]
+		} else {
+			data[datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY] = categoryName
+		}
+
+		data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = accountName
+		data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(-amountNum)
+	} else {
+		data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = iifTransactionTypeNameMapping[models.TRANSACTION_TYPE_TRANSFER]
+		data[datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY] = ""
+
+		if amountNum1 >= 0 {
+			data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = accountName2
+			data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(-amountNum2)
+			data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = accountName1
+			data[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = utils.FormatAmount(amountNum1)
+		} else if amountNum2 >= 0 {
+			data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = accountName1
+			data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(-amountNum1)
+			data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = accountName2
+			data[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = utils.FormatAmount(amountNum2)
+		}
+	}
+
+	if memo, _ := dataset.getTransactionDataItemValue(transactionData, iifTransactionMemoColumnName); memo != "" {
+		data[datatable.TRANSACTION_DATA_TABLE_DESCRIPTION] = memo
+	} else if name, _ := dataset.getTransactionDataItemValue(transactionData, iifTransactionNameColumnName); name != "" {
+		data[datatable.TRANSACTION_DATA_TABLE_DESCRIPTION] = name
+	} else {
+		data[datatable.TRANSACTION_DATA_TABLE_DESCRIPTION] = ""
+	}
+
+	return data, nil
+}
+
+func (t *iifTransactionDataRowIterator) parseTransactionTime(dataset *iifTransactionDataset, transactionData *iifTransactionData) (string, error) {
+	date, _ := dataset.getTransactionDataItemValue(transactionData, iifTransactionDateColumnName)
+	dateParts := strings.Split(date, "/")
+
+	if len(dateParts) != 3 {
+		return "", errs.ErrTransactionTimeInvalid
+	}
+
+	month := dateParts[0]
+	day := dateParts[1]
+	year := dateParts[2]
+
+	if utils.IsValidYearMonthDayLongOrShortDateFormat(date) {
+		year = dateParts[0]
+		month = dateParts[1]
+		day = dateParts[2]
+	}
+
+	if len(month) < 2 {
+		month = "0" + month
+	}
+
+	if len(day) < 2 {
+		day = "0" + day
+	}
+
+	return fmt.Sprintf("%s-%s-%s 00:00:00", year, month, day), nil
+}
+
+func createNewIIfTransactionDataTable(ctx core.Context, accountDatasets []*iifAccountDataset, transactionDatasets []*iifTransactionDataset) (*iifTransactionDataTable, error) {
+	if len(transactionDatasets) < 1 {
+		return nil, errs.ErrNotFoundTransactionDataInFile
+	}
+
+	incomeAccountNames, expenseAccountNames := getIncomeAndExpenseAccountNameMap(accountDatasets)
+
+	for i := 0; i < len(transactionDatasets); i++ {
+		transactionDataset := transactionDatasets[i]
+
+		for _, requiredColumnName := range []string{
+			iifTransactionDateColumnName,
+			iifTransactionAccountNameColumnName,
+			iifTransactionAmountColumnName,
+		} {
+			if _, exists := transactionDataset.transactionDataColumnIndexes[requiredColumnName]; !exists {
+				return nil, errs.ErrMissingRequiredFieldInHeaderRow
+			}
+		}
+	}
+
+	return &iifTransactionDataTable{
+		incomeAccountNames:  incomeAccountNames,
+		expenseAccountNames: expenseAccountNames,
+		transactionDatasets: transactionDatasets,
+	}, nil
+}
+
+func getIncomeAndExpenseAccountNameMap(accountDatasets []*iifAccountDataset) (incomeAccountNames map[string]bool, expenseAccountNames map[string]bool) {
+	incomeAccountNames = make(map[string]bool)
+	expenseAccountNames = make(map[string]bool)
+
+	for i := 0; i < len(accountDatasets); i++ {
+		accountDataset := accountDatasets[i]
+		accountNameColumnIndex, accountNameColumnExists := accountDataset.accountDataColumnIndexes[iifAccountNameColumnName]
+		accountTypeColumnIndex, accountTypeColumnExists := accountDataset.accountDataColumnIndexes[iifAccountTypeColumnName]
+
+		if !accountNameColumnExists || accountNameColumnIndex < 0 ||
+			!accountTypeColumnExists || accountTypeColumnIndex < 0 {
+			continue
+		}
+
+		for j := 0; j < len(accountDataset.accounts); j++ {
+			items := accountDataset.accounts[j].dataItems
+
+			if accountNameColumnIndex >= len(items) ||
+				accountTypeColumnIndex >= len(items) {
+				continue
+			}
+
+			accountName := items[accountNameColumnIndex]
+			accountType := items[accountTypeColumnIndex]
+
+			if accountType == iifAccountTypeIncome {
+				incomeAccountNames[accountName] = true
+			} else if accountType == iifAccountTypeExpense {
+				expenseAccountNames[accountName] = true
+			}
+		}
+	}
+
+	return incomeAccountNames, expenseAccountNames
+}

pkg/converters/ofx/ofx_data.go

@@ -0,0 +1,188 @@
+package ofx
+
+import (
+	"encoding/xml"
+
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+)
+
+// oFXDeclarationVersion represents the declaration version of open financial exchange (ofx) file
+type oFXDeclarationVersion string
+
+const (
+	ofxVersion1 oFXDeclarationVersion = "100"
+	ofxVersion2 oFXDeclarationVersion = "200"
+)
+
+const ofxDefaultTimezoneOffset = "+00:00"
+
+// ofxAccountType represents account type in open financial exchange (ofx) file
+type ofxAccountType string
+
+// OFX account types
+const (
+	ofxCheckingAccount             ofxAccountType = "CHECKING"
+	ofxSavingsAccount              ofxAccountType = "SAVINGS"
+	ofxMoneyMarketAccount          ofxAccountType = "MONEYMRKT"
+	ofxLineOfCreditAccount         ofxAccountType = "CREDITLINE"
+	ofxCertificateOfDepositAccount ofxAccountType = "CD"
+)
+
+// ofxTransactionType represents transaction type in open financial exchange (ofx) file
+type ofxTransactionType string
+
+// OFX transaction types
+const (
+	ofxGenericCreditTransaction          ofxTransactionType = "CREDIT"
+	ofxGenericDebitTransaction           ofxTransactionType = "DEBIT"
+	ofxInterestTransaction               ofxTransactionType = "INT"
+	ofxDividendTransaction               ofxTransactionType = "DIV"
+	ofxFIFeeTransaction                  ofxTransactionType = "FEE"
+	ofxServiceChargeTransaction          ofxTransactionType = "SRVCHG"
+	ofxDepositTransaction                ofxTransactionType = "DEP"
+	ofxATMTransaction                    ofxTransactionType = "ATM"
+	ofxPOSTransaction                    ofxTransactionType = "POS"
+	ofxTransferTransaction               ofxTransactionType = "XFER"
+	ofxCheckTransaction                  ofxTransactionType = "CHECK"
+	ofxElectronicPaymentTransaction      ofxTransactionType = "PAYMENT"
+	ofxCashWithdrawalTransaction         ofxTransactionType = "CASH"
+	ofxDirectDepositTransaction          ofxTransactionType = "DIRECTDEP"
+	ofxMerchantInitiatedDebitTransaction ofxTransactionType = "DIRECTDEBIT"
+	ofxRepeatingPaymentTransaction       ofxTransactionType = "REPEATPMT"
+	ofxHoldTransaction                   ofxTransactionType = "HOLD"
+	ofxOtherTransaction                  ofxTransactionType = "OTHER"
+)
+
+var ofxTransactionTypeMapping = map[ofxTransactionType]models.TransactionType{
+	ofxGenericCreditTransaction:          models.TRANSACTION_TYPE_EXPENSE,
+	ofxGenericDebitTransaction:           models.TRANSACTION_TYPE_EXPENSE,
+	ofxDividendTransaction:               models.TRANSACTION_TYPE_INCOME,
+	ofxFIFeeTransaction:                  models.TRANSACTION_TYPE_EXPENSE,
+	ofxServiceChargeTransaction:          models.TRANSACTION_TYPE_EXPENSE,
+	ofxDepositTransaction:                models.TRANSACTION_TYPE_INCOME,
+	ofxTransferTransaction:               models.TRANSACTION_TYPE_TRANSFER,
+	ofxCheckTransaction:                  models.TRANSACTION_TYPE_EXPENSE,
+	ofxElectronicPaymentTransaction:      models.TRANSACTION_TYPE_EXPENSE,
+	ofxCashWithdrawalTransaction:         models.TRANSACTION_TYPE_EXPENSE,
+	ofxDirectDepositTransaction:          models.TRANSACTION_TYPE_INCOME,
+	ofxMerchantInitiatedDebitTransaction: models.TRANSACTION_TYPE_EXPENSE,
+	ofxRepeatingPaymentTransaction:       models.TRANSACTION_TYPE_EXPENSE,
+}
+
+// ofxFile represents the struct of open financial exchange (ofx) file
+type ofxFile struct {
+	XMLName                     xml.Name `xml:"OFX"`
+	FileHeader                  *ofxFileHeader
+	BankMessageResponseV1       *ofxBankMessageResponseV1       `xml:"BANKMSGSRSV1"`
+	CreditCardMessageResponseV1 *ofxCreditCardMessageResponseV1 `xml:"CREDITCARDMSGSRSV1"`
+}
+
+// ofxFileHeader represents the struct of open financial exchange (ofx) file header
+type ofxFileHeader struct {
+	OFXDeclarationVersion oFXDeclarationVersion
+	OFXDataVersion        string
+	Security              string
+	OldFileUid            string
+	NewFileUid            string
+}
+
+// ofxBankMessageResponseV1 represents the struct of open financial exchange (ofx) bank message response v1
+type ofxBankMessageResponseV1 struct {
+	StatementTransactionResponse *ofxBankStatementTransactionResponse `xml:"STMTTRNRS"`
+}
+
+// ofxCreditCardMessageResponseV1 represents the struct of open financial exchange (ofx) credit card message response v1
+type ofxCreditCardMessageResponseV1 struct {
+	StatementTransactionResponse *ofxCreditCardStatementTransactionResponse `xml:"CCSTMTTRNRS"`
+}
+
+// ofxBankStatementTransactionResponse represents the struct of open financial exchange (ofx) bank statement transaction response
+type ofxBankStatementTransactionResponse struct {
+	StatementResponse *ofxBankStatementResponse `xml:"STMTRS"`
+}
+
+// ofxCreditCardStatementTransactionResponse represents the struct of open financial exchange (ofx) credit card statement transaction response
+type ofxCreditCardStatementTransactionResponse struct {
+	StatementResponse *ofxCreditCardStatementResponse `xml:"CCSTMTRS"`
+}
+
+// ofxBankStatementResponse represents the struct of open financial exchange (ofx) bank statement response
+type ofxBankStatementResponse struct {
+	DefaultCurrency string                  `xml:"CURDEF"`
+	AccountFrom     *ofxBankAccount         `xml:"BANKACCTFROM"`
+	TransactionList *ofxBankTransactionList `xml:"BANKTRANLIST"`
+}
+
+// ofxCreditCardStatementResponse represents the struct of open financial exchange (ofx) credit card statement response
+type ofxCreditCardStatementResponse struct {
+	DefaultCurrency string                        `xml:"CURDEF"`
+	AccountFrom     *ofxCreditCardAccount         `xml:"CCACCTFROM"`
+	TransactionList *ofxCreditCardTransactionList `xml:"BANKTRANLIST"`
+}
+
+// ofxBankAccount represents the struct of open financial exchange (ofx) bank account
+type ofxBankAccount struct {
+	BankId      string         `xml:"BANKID"`
+	BranchId    string         `xml:"BRANCHID"`
+	AccountId   string         `xml:"ACCTID"`
+	AccountType ofxAccountType `xml:"ACCTTYPE"`
+	AccountKey  string         `xml:"ACCTKEY"`
+}
+
+// ofxCreditCardAccount represents the struct of open financial exchange (ofx) credit card account
+type ofxCreditCardAccount struct {
+	AccountId  string `xml:"ACCTID"`
+	AccountKey string `xml:"ACCTKEY"`
+}
+
+// ofxBankTransactionList represents the struct of open financial exchange (ofx) bank transaction list
+type ofxBankTransactionList struct {
+	StartDate             string                         `xml:"DTSTART"`
+	EndDate               string                         `xml:"DTEND"`
+	StatementTransactions []*ofxBankStatementTransaction `xml:"STMTTRN"`
+}
+
+// ofxCreditCardTransactionList represents the struct of open financial exchange (ofx) credit card transaction list
+type ofxCreditCardTransactionList struct {
+	StartDate             string                               `xml:"DTSTART"`
+	EndDate               string                               `xml:"DTEND"`
+	StatementTransactions []*ofxCreditCardStatementTransaction `xml:"STMTTRN"`
+}
+
+// ofxBaseStatementTransaction represents the struct of open financial exchange (ofx) base statement transaction
+type ofxBaseStatementTransaction struct {
+	TransactionId    string             `xml:"FITID"`
+	TransactionType  ofxTransactionType `xml:"TRNTYPE"`
+	PostedDate       string             `xml:"DTPOSTED"`
+	Amount           string             `xml:"TRNAMT"`
+	Name             string             `xml:"NAME"`
+	Payee            *ofxPayee          `xml:"PAYEE"`
+	Memo             string             `xml:"MEMO"`
+	Currency         string             `xml:"CURRENCY"`
+	OriginalCurrency string             `xml:"ORIGCURRENCY"`
+}
+
+// ofxBankStatementTransaction represents the struct of open financial exchange (ofx) bank statement transaction
+type ofxBankStatementTransaction struct {
+	ofxBaseStatementTransaction
+	AccountTo *ofxBankAccount `xml:"BANKACCTTO"`
+}
+
+// ofxCreditCardStatementTransaction represents the struct of open financial exchange (ofx) credit card statement transaction
+type ofxCreditCardStatementTransaction struct {
+	ofxBaseStatementTransaction
+	AccountTo *ofxCreditCardAccount `xml:"CCACCTTO"`
+}
+
+// ofxPayee represents the struct of open financial exchange (ofx) payee info
+type ofxPayee struct {
+	Name       string `xml:"NAME"`
+	Address1   string `xml:"ADDR1"`
+	Address2   string `xml:"ADDR2"`
+	Address3   string `xml:"ADDR3"`
+	City       string `xml:"CITY"`
+	State      string `xml:"STATE"`
+	PostalCode string `xml:"POSTALCODE"`
+	Country    string `xml:"COUNTRY"`
+	Phone      string `xml:"PHONE"`
+}

pkg/converters/ofx/ofx_data_reader.go

@@ -0,0 +1,312 @@
+package ofx
+
+import (
+	"bufio"
+	"bytes"
+	"encoding/xml"
+	"regexp"
+	"strings"
+
+	"golang.org/x/net/html/charset"
+	"golang.org/x/text/encoding"
+	"golang.org/x/text/encoding/charmap"
+	"golang.org/x/text/encoding/unicode"
+	"golang.org/x/text/transform"
+
+	"github.com/mayswind/ezbookkeeping/pkg/converters/sgml"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+const ofxUnicodeEncoding = "unicode"
+const ofxUSAsciiEncoding = "usascii"
+const ofx1SGMLDataFormat = "OFXSGML"
+
+var ofx2HeaderPattern = regexp.MustCompile("<\\?OFX( +[A-Z]+=\"[^=]*\")* *\\?>")
+var ofx2HeaderAttributePattern = regexp.MustCompile(" +([A-Z]+)=\"([^=]*)\"")
+
+// ofxFileReader defines the structure of open financial exchange (ofx) file reader
+type ofxFileReader interface {
+	// read returns the imported open financial exchange (ofx) file
+	read(ctx core.Context) (*ofxFile, error)
+}
+
+// ofxVersion1FileReader defines the structure of open financial exchange (ofx) declaration version 1.x file reader
+type ofxVersion1FileReader struct {
+	fileHeader  *ofxFileHeader
+	sgmlDecoder *sgml.Decoder
+}
+
+// ofxVersion2FileReader defines the structure of open financial exchange (ofx) declaration version 2.x file reader
+type ofxVersion2FileReader struct {
+	fileHeader *ofxFileHeader
+	xmlDecoder *xml.Decoder
+}
+
+// read returns the imported open financial exchange (ofx) file
+func (r *ofxVersion1FileReader) read(ctx core.Context) (*ofxFile, error) {
+	file := &ofxFile{}
+
+	err := r.sgmlDecoder.Decode(&file)
+
+	if err != nil {
+		log.Errorf(ctx, "[ofxVersion1FileReader.read] cannot read ofx 1.x file, because %s", err.Error())
+		return nil, errs.ErrInvalidOFXFile
+	}
+
+	file.FileHeader = r.fileHeader
+
+	return file, nil
+}
+
+// read returns the imported open financial exchange (ofx) file
+func (r *ofxVersion2FileReader) read(ctx core.Context) (*ofxFile, error) {
+	file := &ofxFile{}
+
+	err := r.xmlDecoder.Decode(&file)
+
+	if err != nil {
+		log.Errorf(ctx, "[ofxVersion2FileReader.read] cannot read ofx 2.x file, because %s", err.Error())
+		return nil, errs.ErrInvalidOFXFile
+	}
+
+	file.FileHeader = r.fileHeader
+
+	return file, nil
+}
+
+func createNewOFXFileReader(ctx core.Context, data []byte) (ofxFileReader, error) {
+	firstNonCrLfIndex := 0
+
+	for i := 0; i < len(data); i++ {
+		if data[i] != '\n' && data[i] != '\r' {
+			firstNonCrLfIndex = i
+			break
+		}
+	}
+
+	if len(data) > 5 && string(data[firstNonCrLfIndex:firstNonCrLfIndex+5]) == "<?xml" { // ofx 2.x starts with <?xml
+		return createNewOFX2FileReader(ctx, data, true)
+	} else if len(data) > 10 && string(data[firstNonCrLfIndex:firstNonCrLfIndex+10]) == "OFXHEADER:" { // ofx 1.x starts with OFXHEADER:
+		return createNewOFX1FileReader(ctx, data)
+	} else if len(data) > 5 && string(data[firstNonCrLfIndex:firstNonCrLfIndex+5]) == "<OFX>" { // no ofx header
+		return createNewOFX2FileReader(ctx, data, false)
+	}
+
+	return nil, errs.ErrInvalidOFXFile
+}
+
+func createNewOFX1FileReader(ctx core.Context, data []byte) (ofxFileReader, error) {
+	fileHeader, fileData, dataType, enc, err := readOFX1FileHeader(ctx, data)
+
+	if err != nil {
+		return nil, err
+	}
+
+	if fileHeader.OFXDeclarationVersion != ofxVersion1 {
+		log.Errorf(ctx, "[ofx_data_reader.createNewOFX1FileReader] cannot parse ofx 1.x file header, because declaration version is \"%s\"", fileHeader.OFXDeclarationVersion)
+		return nil, errs.ErrInvalidOFXFile
+	}
+
+	if dataType != ofx1SGMLDataFormat {
+		log.Errorf(ctx, "[ofx_data_reader.createNewOFX1FileReader] cannot parse ofx 1.x file header, because data type is \"%s\"", dataType)
+		return nil, errs.ErrInvalidOFXFile
+	}
+
+	reader := bytes.NewReader(fileData)
+	buffer := &bytes.Buffer{}
+
+	if enc != nil {
+		transformReader := transform.NewReader(reader, enc.NewDecoder())
+		_, err = buffer.ReadFrom(transformReader)
+	} else {
+		_, err = buffer.ReadFrom(reader)
+	}
+
+	if err != nil {
+		log.Errorf(ctx, "[ofx_data_reader.createNewOFX1FileReader] cannot read ofx 1.x file content, because %s", err.Error())
+		return nil, errs.ErrInvalidOFXFile
+	}
+
+	sgmlData := buffer.String()
+	stringReader := strings.NewReader(sgmlData)
+	sgmlDecoder := sgml.NewDecoder(stringReader)
+
+	return &ofxVersion1FileReader{
+		fileHeader:  fileHeader,
+		sgmlDecoder: sgmlDecoder,
+	}, nil
+}
+
+func createNewOFX2FileReader(ctx core.Context, data []byte, withHeader bool) (ofxFileReader, error) {
+	var fileHeader *ofxFileHeader = nil
+	var err error
+
+	if withHeader {
+		fileHeader, err = readOFX2FileHeader(ctx, data)
+
+		if err != nil {
+			return nil, err
+		}
+
+		if fileHeader.OFXDeclarationVersion != ofxVersion2 {
+			log.Errorf(ctx, "[ofx_data_reader.createNewOFX2FileReader] cannot parse ofx 2.x file header, because declaration version is \"%s\"", fileHeader.OFXDeclarationVersion)
+			return nil, errs.ErrInvalidOFXFile
+		}
+	}
+
+	xmlDecoder := xml.NewDecoder(bytes.NewReader(data))
+	xmlDecoder.CharsetReader = charset.NewReaderLabel
+
+	return &ofxVersion2FileReader{
+		fileHeader: fileHeader,
+		xmlDecoder: xmlDecoder,
+	}, nil
+}
+
+func readOFX1FileHeader(ctx core.Context, data []byte) (fileHeader *ofxFileHeader, fileData []byte, dataType string, enc encoding.Encoding, err error) {
+	fileHeader = &ofxFileHeader{}
+	dataType = ""
+	fileEncoding := ""
+	fileCharset := ""
+	fileDataStartPosition := 0
+	lastCrLf := -1
+
+	for i := 0; i < len(data); i++ {
+		if data[i] != '\n' && data[i] != '\r' {
+			continue
+		}
+
+		if lastCrLf == i-1 {
+			lastCrLf = i
+			continue
+		}
+
+		line := string(data[lastCrLf+1 : i])
+
+		if strings.Index(line, "<OFX>") == 0 {
+			fileDataStartPosition = lastCrLf + 1
+			break
+		}
+
+		lastCrLf = i
+
+		if line == "" {
+			continue
+		}
+
+		items := strings.Split(line, ":")
+
+		if len(items) != 2 {
+			log.Warnf(ctx, "[ofx_data_reader.readOFX1FileHeader] cannot parse line in ofx 1.x file header, because line is \"%s\"", line)
+			continue
+		}
+
+		key := items[0]
+		value := items[1]
+
+		if key == "OFXHEADER" {
+			fileHeader.OFXDeclarationVersion = oFXDeclarationVersion(value)
+		} else if key == "DATA" {
+			dataType = value
+		} else if key == "VERSION" {
+			fileHeader.OFXDataVersion = value
+		} else if key == "SECURITY" {
+			fileHeader.Security = value
+		} else if key == "ENCODING" {
+			fileEncoding = strings.ToLower(value)
+		} else if key == "CHARSET" {
+			fileCharset = strings.ToLower(value)
+		} else if key == "COMPRESSION" {
+			continue // ignore
+		} else if key == "OLDFILEUID" {
+			fileHeader.OldFileUid = value
+		} else if key == "NEWFILEUID" {
+			fileHeader.NewFileUid = value
+		} else {
+			log.Warnf(ctx, "[ofx_data_reader.readOFX1FileHeader] cannot parse unknown header line in ofx 1.x file header, because line is \"%s\"", line)
+			continue
+		}
+	}
+
+	if fileEncoding == ofxUSAsciiEncoding {
+		if utils.IsStringOnlyContainsDigits(fileCharset) {
+			fileCharset = "cp" + fileCharset
+		}
+
+		enc, _ = charset.Lookup(fileCharset)
+
+		if enc == nil {
+			enc, _ = charset.Lookup("us-ascii")
+		}
+
+		if enc == nil {
+			enc = charmap.Windows1252
+		}
+	} else if fileEncoding == ofxUnicodeEncoding {
+		enc, _ = charset.Lookup(ofxUnicodeEncoding)
+
+		if enc == nil {
+			enc = unicode.UTF16(unicode.LittleEndian, unicode.IgnoreBOM)
+		}
+	} else {
+		log.Errorf(ctx, "[ofx_data_reader.readOFX1FileHeader] cannot parse ofx 1.x file, because encoding \"%s\" is unknown", fileEncoding)
+		return nil, nil, "", nil, errs.ErrInvalidOFXFile
+	}
+
+	return fileHeader, data[fileDataStartPosition:], dataType, enc, nil
+}
+
+func readOFX2FileHeader(ctx core.Context, data []byte) (fileHeader *ofxFileHeader, err error) {
+	reader := bytes.NewReader(data)
+	scanner := bufio.NewScanner(reader)
+	fileHeader = &ofxFileHeader{}
+	headerLine := ""
+
+	for scanner.Scan() {
+		line := scanner.Text()
+
+		ofxHeaderStartIndex := strings.Index(line, "<?OFX ")
+
+		if ofxHeaderStartIndex >= 0 {
+			headerLine = ofx2HeaderPattern.FindString(line)
+			break
+		}
+	}
+
+	if headerLine == "" {
+		log.Errorf(ctx, "[ofx_data_reader.readOFX2FileHeader] cannot find ofx 2.x file header")
+		return nil, errs.ErrInvalidOFXFile
+	}
+
+	headerAttributes := ofx2HeaderAttributePattern.FindAllStringSubmatch(headerLine, -1)
+
+	for _, attributeItems := range headerAttributes {
+		if len(attributeItems) != 3 {
+			log.Warnf(ctx, "[ofx_data_reader.readOFX2FileHeader] cannot parse line in ofx 2.x file header, because item is \"%s\"", attributeItems)
+			continue
+		}
+
+		name := attributeItems[1]
+		value := attributeItems[2]
+
+		if name == "OFXHEADER" {
+			fileHeader.OFXDeclarationVersion = oFXDeclarationVersion(value)
+		} else if name == "VERSION" {
+			fileHeader.OFXDataVersion = value
+		} else if name == "SECURITY" {
+			fileHeader.Security = value
+		} else if name == "OLDFILEUID" {
+			fileHeader.OldFileUid = value
+		} else if name == "NEWFILEUID" {
+			fileHeader.NewFileUid = value
+		} else {
+			log.Warnf(ctx, "[ofx_data_reader.readOFX2FileHeader] cannot parse unknown header line in ofx 2.x file header, because item is \"%s\"", attributeItems)
+			continue
+		}
+	}
+
+	return fileHeader, nil
+}

pkg/converters/ofx/ofx_data_reader_test.go

@@ -0,0 +1,904 @@
+package ofx
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+)
+
+func TestCreateNewOFXFileReader_OFX1(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:100\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"\n"+
+			"<OFX>\n"+
+			"<BANKMSGSRSV1>\n"+
+			"<STMTTRNRS>\n"+
+			"<STMTRS>\n"+
+			"<CURDEF>CNY\n"+
+			"<BANKACCTFROM>\n"+
+			"<ACCTID>123\n"+
+			"</BANKACCTFROM>\n"+
+			"<BANKTRANLIST>\n"+
+			"<STMTTRN>\n"+
+			"<TRNTYPE>DEP\n"+
+			"<DTPOSTED>20240901012345.000[+8:CST]\n"+
+			"<TRNAMT>123.45\n"+
+			"</STMTTRN>\n"+
+			"</BANKTRANLIST>\n"+
+			"</STMTRS>\n"+
+			"</STMTTRNRS>\n"+
+			"</BANKMSGSRSV1>\n"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.FileHeader)
+	assert.Equal(t, ofxVersion1, ofxFile.FileHeader.OFXDeclarationVersion)
+	assert.Equal(t, "103", ofxFile.FileHeader.OFXDataVersion)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.Security)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.OldFileUid)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.NewFileUid)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse)
+
+	assert.Equal(t, "CNY", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.DefaultCurrency)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom)
+	assert.Equal(t, "123", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom.AccountId)
+
+	assert.Equal(t, 1, len(ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions))
+	assert.Equal(t, ofxDepositTransaction, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].TransactionType)
+	assert.Equal(t, "20240901012345.000[+8:CST]", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].PostedDate)
+	assert.Equal(t, "123.45", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].Amount)
+}
+
+func TestCreateNewOFXFileReader_OFX1WithoutBreakLine(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:100\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"\n"+
+			"<OFX>"+
+			"<BANKMSGSRSV1>"+
+			"<STMTTRNRS>"+
+			"<STMTRS>"+
+			"<CURDEF>CNY"+
+			"<BANKACCTFROM>"+
+			"<ACCTID>123"+
+			"</BANKACCTFROM>"+
+			"<BANKTRANLIST>"+
+			"<STMTTRN>"+
+			"<TRNTYPE>DEP"+
+			"<DTPOSTED>20240901012345.000[+8:CST]"+
+			"<TRNAMT>123.45"+
+			"</STMTTRN>"+
+			"</BANKTRANLIST>"+
+			"</STMTRS>"+
+			"</STMTTRNRS>"+
+			"</BANKMSGSRSV1>"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.FileHeader)
+	assert.Equal(t, ofxVersion1, ofxFile.FileHeader.OFXDeclarationVersion)
+	assert.Equal(t, "103", ofxFile.FileHeader.OFXDataVersion)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.Security)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.OldFileUid)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.NewFileUid)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse)
+
+	assert.Equal(t, "CNY", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.DefaultCurrency)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom)
+	assert.Equal(t, "123", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom.AccountId)
+
+	assert.Equal(t, 1, len(ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions))
+	assert.Equal(t, ofxDepositTransaction, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].TransactionType)
+	assert.Equal(t, "20240901012345.000[+8:CST]", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].PostedDate)
+	assert.Equal(t, "123.45", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].Amount)
+}
+
+func TestCreateNewOFXFileReader_OFX1ParseBankAccountFrom(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:100\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"\n"+
+			"<OFX>\n"+
+			"<BANKMSGSRSV1>\n"+
+			"<STMTTRNRS>\n"+
+			"<STMTRS>\n"+
+			"<BANKACCTFROM>\n"+
+			"<BANKID>1234567890\n"+
+			"<BRANCHID>2345678901\n"+
+			"<ACCTID>3456789012\n"+
+			"<ACCTTYPE>CHECKING\n"+
+			"<ACCTKEY>4567890123\n"+
+			"</BANKACCTFROM>\n"+
+			"</STMTRS>\n"+
+			"</STMTTRNRS>\n"+
+			"</BANKMSGSRSV1>\n"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom)
+
+	account := ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom
+	assert.Equal(t, "1234567890", account.BankId)
+	assert.Equal(t, "2345678901", account.BranchId)
+	assert.Equal(t, "3456789012", account.AccountId)
+	assert.Equal(t, ofxCheckingAccount, account.AccountType)
+	assert.Equal(t, "4567890123", account.AccountKey)
+}
+
+func TestCreateNewOFXFileReader_OFX1ParseCreditCardAccountFrom(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:100\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"\n"+
+			"<OFX>\n"+
+			"<CREDITCARDMSGSRSV1>\n"+
+			"<CCSTMTTRNRS>\n"+
+			"<CCSTMTRS>\n"+
+			"<CCACCTFROM>\n"+
+			"<ACCTID>3456789012\n"+
+			"<ACCTKEY>4567890123\n"+
+			"</CCACCTFROM>\n"+
+			"</CCSTMTRS>\n"+
+			"</CCSTMTTRNRS>\n"+
+			"</CREDITCARDMSGSRSV1>\n"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.CreditCardMessageResponseV1)
+	assert.NotNil(t, ofxFile.CreditCardMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.CreditCardMessageResponseV1.StatementTransactionResponse.StatementResponse)
+	assert.NotNil(t, ofxFile.CreditCardMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom)
+
+	account := ofxFile.CreditCardMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom
+	assert.Equal(t, "3456789012", account.AccountId)
+	assert.Equal(t, "4567890123", account.AccountKey)
+}
+
+func TestCreateNewOFXFileReader_OFX1ParseBankTransactionList(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:100\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"\n"+
+			"<OFX>\n"+
+			"<BANKMSGSRSV1>\n"+
+			"<STMTTRNRS>\n"+
+			"<STMTRS>\n"+
+			"<BANKTRANLIST>\n"+
+			"<DTSTART>20240901012345.000[+8:CST]\n"+
+			"<DTEND>20240901235959.000[+8:CST]\n"+
+			"</BANKTRANLIST>\n"+
+			"</STMTRS>\n"+
+			"</STMTTRNRS>\n"+
+			"</BANKMSGSRSV1>\n"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList)
+
+	transactionList := ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList
+	assert.Equal(t, "20240901012345.000[+8:CST]", transactionList.StartDate)
+	assert.Equal(t, "20240901235959.000[+8:CST]", transactionList.EndDate)
+}
+
+func TestCreateNewOFXFileReader_OFX1ParseCreditTransactionList(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:100\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"\n"+
+			"<OFX>\n"+
+			"<CREDITCARDMSGSRSV1>\n"+
+			"<CCSTMTTRNRS>\n"+
+			"<CCSTMTRS>\n"+
+			"<BANKTRANLIST>\n"+
+			"<DTSTART>20240901012345.000[+8:CST]\n"+
+			"<DTEND>20240901235959.000[+8:CST]\n"+
+			"</BANKTRANLIST>\n"+
+			"</CCSTMTRS>\n"+
+			"</CCSTMTTRNRS>\n"+
+			"</CREDITCARDMSGSRSV1>\n"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.CreditCardMessageResponseV1)
+	assert.NotNil(t, ofxFile.CreditCardMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.CreditCardMessageResponseV1.StatementTransactionResponse.StatementResponse)
+	assert.NotNil(t, ofxFile.CreditCardMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList)
+
+	transactionList := ofxFile.CreditCardMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList
+	assert.Equal(t, "20240901012345.000[+8:CST]", transactionList.StartDate)
+	assert.Equal(t, "20240901235959.000[+8:CST]", transactionList.EndDate)
+}
+
+func TestCreateNewOFXFileReader_OFX1ParseTransaction(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:100\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"\n"+
+			"<OFX>\n"+
+			"<BANKMSGSRSV1>\n"+
+			"<STMTTRNRS>\n"+
+			"<STMTRS>\n"+
+			"<BANKACCTFROM>\n"+
+			"<ACCTID>123\n"+
+			"</BANKACCTFROM>\n"+
+			"<BANKTRANLIST>\n"+
+			"<STMTTRN>\n"+
+			"<FITID>1234567890\n"+
+			"<TRNTYPE>CASH\n"+
+			"<DTPOSTED>20240901012345.000[+8:CST]\n"+
+			"<TRNAMT>123.45\n"+
+			"<NAME>Test Name\n"+
+			"<MEMO>Some Text\n"+
+			"<CURRENCY>CNY\n"+
+			"<ORIGCURRENCY>USD\n"+
+			"</STMTTRN>\n"+
+			"</BANKTRANLIST>\n"+
+			"</STMTRS>\n"+
+			"</STMTTRNRS>\n"+
+			"</BANKMSGSRSV1>\n"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList)
+	assert.Equal(t, 1, len(ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions))
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0])
+
+	transaction := ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0]
+	assert.Equal(t, "1234567890", transaction.TransactionId)
+	assert.Equal(t, ofxCashWithdrawalTransaction, transaction.TransactionType)
+	assert.Equal(t, "20240901012345.000[+8:CST]", transaction.PostedDate)
+	assert.Equal(t, "123.45", transaction.Amount)
+	assert.Equal(t, "Test Name", transaction.Name)
+	assert.Equal(t, "Some Text", transaction.Memo)
+	assert.Equal(t, "CNY", transaction.Currency)
+	assert.Equal(t, "USD", transaction.OriginalCurrency)
+}
+
+func TestCreateNewOFXFileReader_OFX1ParseTransactionPayee(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:100\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"\n"+
+			"<OFX>\n"+
+			"<BANKMSGSRSV1>\n"+
+			"<STMTTRNRS>\n"+
+			"<STMTRS>\n"+
+			"<BANKACCTFROM>\n"+
+			"<ACCTID>123\n"+
+			"</BANKACCTFROM>\n"+
+			"<BANKTRANLIST>\n"+
+			"<STMTTRN>\n"+
+			"<TRNTYPE>DEP\n"+
+			"<DTPOSTED>20240901012345.000[+8:CST]\n"+
+			"<TRNAMT>123.45\n"+
+			"<PAYEE>\n"+
+			"<NAME>Test Name\n"+
+			"<ADDR1>Address 1\n"+
+			"<ADDR2>Address 2\n"+
+			"<ADDR3>Address 3\n"+
+			"<CITY>City Name\n"+
+			"<STATE>State Name\n"+
+			"<POSTALCODE>10000000\n"+
+			"<COUNTRY>Country Name\n"+
+			"<PHONE>11111111111\n"+
+			"</PAYEE>\n"+
+			"</STMTTRN>\n"+
+			"</BANKTRANLIST>\n"+
+			"</STMTRS>\n"+
+			"</STMTTRNRS>\n"+
+			"</BANKMSGSRSV1>\n"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList)
+	assert.Equal(t, 1, len(ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions))
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0])
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].Payee)
+
+	payee := ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].Payee
+	assert.Equal(t, "Test Name", payee.Name)
+	assert.Equal(t, "Address 1", payee.Address1)
+	assert.Equal(t, "Address 2", payee.Address2)
+	assert.Equal(t, "Address 3", payee.Address3)
+	assert.Equal(t, "City Name", payee.City)
+	assert.Equal(t, "State Name", payee.State)
+	assert.Equal(t, "10000000", payee.PostalCode)
+	assert.Equal(t, "Country Name", payee.Country)
+	assert.Equal(t, "11111111111", payee.Phone)
+}
+
+func TestCreateNewOFXFileReader_OFX1WithEndElement(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:100\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"\n"+
+			"<OFX>\n"+
+			"<BANKMSGSRSV1>\n"+
+			"<STMTTRNRS>\n"+
+			"<STMTRS>\n"+
+			"<CURDEF>CNY</CURDEF>\n"+
+			"<BANKACCTFROM>\n"+
+			"<ACCTID>123</ACCTID>\n"+
+			"</BANKACCTFROM>\n"+
+			"<BANKTRANLIST>\n"+
+			"<STMTTRN>\n"+
+			"<TRNTYPE>DEP</TRNTYPE>\n"+
+			"<DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"<TRNAMT>123.45</TRNAMT>\n"+
+			"</STMTTRN>\n"+
+			"</BANKTRANLIST>\n"+
+			"</STMTRS>\n"+
+			"</STMTTRNRS>\n"+
+			"</BANKMSGSRSV1>\n"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.FileHeader)
+	assert.Equal(t, ofxVersion1, ofxFile.FileHeader.OFXDeclarationVersion)
+	assert.Equal(t, "103", ofxFile.FileHeader.OFXDataVersion)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.Security)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.OldFileUid)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.NewFileUid)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse)
+
+	assert.Equal(t, "CNY", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.DefaultCurrency)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom)
+	assert.Equal(t, "123", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom.AccountId)
+
+	assert.Equal(t, 1, len(ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions))
+	assert.Equal(t, ofxDepositTransaction, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].TransactionType)
+	assert.Equal(t, "20240901012345.000[+8:CST]", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].PostedDate)
+	assert.Equal(t, "123.45", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].Amount)
+}
+
+func TestCreateNewOFXFileReader_OFX1WithBlanklinesInHeader(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"\n"+
+			"\n"+
+			"OFXHEADER:100\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"\n"+
+			"<OFX>"+
+			"<BANKMSGSRSV1>"+
+			"<STMTTRNRS>"+
+			"<STMTRS>"+
+			"<CURDEF>CNY"+
+			"<BANKACCTFROM>"+
+			"<ACCTID>123"+
+			"</BANKACCTFROM>"+
+			"<BANKTRANLIST>"+
+			"<STMTTRN>"+
+			"<TRNTYPE>DEP"+
+			"<DTPOSTED>20240901012345.000[+8:CST]"+
+			"<TRNAMT>123.45"+
+			"</STMTTRN>"+
+			"</BANKTRANLIST>"+
+			"</STMTRS>"+
+			"</STMTTRNRS>"+
+			"</BANKMSGSRSV1>"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.FileHeader)
+	assert.Equal(t, ofxVersion1, ofxFile.FileHeader.OFXDeclarationVersion)
+	assert.Equal(t, "103", ofxFile.FileHeader.OFXDataVersion)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.Security)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.OldFileUid)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.NewFileUid)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse)
+
+	assert.Equal(t, "CNY", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.DefaultCurrency)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom)
+	assert.Equal(t, "123", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom.AccountId)
+
+	assert.Equal(t, 1, len(ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions))
+	assert.Equal(t, ofxDepositTransaction, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].TransactionType)
+	assert.Equal(t, "20240901012345.000[+8:CST]", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].PostedDate)
+	assert.Equal(t, "123.45", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].Amount)
+}
+
+func TestCreateNewOFXFileReader_OFX1WithoutCharset(t *testing.T) {
+	context := core.NewNullContext()
+
+	reader, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:100\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"FOO:BAR\n"+
+			"\n"+
+			"<OFX>\n"+
+			"</OFX>"))
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.FileHeader)
+	assert.Equal(t, ofxVersion1, ofxFile.FileHeader.OFXDeclarationVersion)
+	assert.Equal(t, "103", ofxFile.FileHeader.OFXDataVersion)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.Security)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.OldFileUid)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.NewFileUid)
+}
+
+func TestCreateNewOFXFileReader_OFX1WithInvalidHeaderVersion(t *testing.T) {
+	context := core.NewNullContext()
+	_, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:200\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"\n"+
+			"<OFX>\n"+
+			"</OFX>"))
+
+	assert.EqualError(t, err, errs.ErrInvalidOFXFile.Message)
+}
+
+func TestCreateNewOFXFileReader_OFX1WithInvalidHeader(t *testing.T) {
+	context := core.NewNullContext()
+	_, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:100\n"+
+			"DATA:XML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"\n"+
+			"<OFX>\n"+
+			"</OFX>"))
+
+	assert.EqualError(t, err, errs.ErrInvalidOFXFile.Message)
+}
+
+func TestCreateNewOFXFileReader_OFX1WithUnknownHeader(t *testing.T) {
+	context := core.NewNullContext()
+
+	reader, err := createNewOFXFileReader(context, []byte(
+		"OFXHEADER:100\n"+
+			"DATA:OFXSGML\n"+
+			"VERSION:103\n"+
+			"SECURITY:NONE\n"+
+			"ENCODING:USASCII\n"+
+			"CHARSET:1252\n"+
+			"COMPRESSION:NONE\n"+
+			"OLDFILEUID:NONE\n"+
+			"NEWFILEUID:NONE\n"+
+			"FOO:BAR\n"+
+			"\n"+
+			"<OFX>\n"+
+			"</OFX>"))
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.FileHeader)
+	assert.Equal(t, ofxVersion1, ofxFile.FileHeader.OFXDeclarationVersion)
+	assert.Equal(t, "103", ofxFile.FileHeader.OFXDataVersion)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.Security)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.OldFileUid)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.NewFileUid)
+}
+
+func TestCreateNewOFXFileReader_OFX2(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"<?xml version=\"1.0\" encoding=\"US-ASCII\"?>\n"+
+			"<?OFX OFXHEADER=\"200\" VERSION=\"211\" SECURITY=\"NONE\" OLDFILEUID=\"NONE\" NEWFILEUID=\"NONE\"?>\n"+
+			"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.FileHeader)
+	assert.Equal(t, ofxVersion2, ofxFile.FileHeader.OFXDeclarationVersion)
+	assert.Equal(t, "211", ofxFile.FileHeader.OFXDataVersion)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.Security)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.OldFileUid)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.NewFileUid)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse)
+
+	assert.Equal(t, "CNY", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.DefaultCurrency)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom)
+	assert.Equal(t, "123", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom.AccountId)
+
+	assert.Equal(t, 1, len(ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions))
+	assert.Equal(t, ofxDepositTransaction, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].TransactionType)
+	assert.Equal(t, "20240901012345.000[+8:CST]", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].PostedDate)
+	assert.Equal(t, "123.45", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].Amount)
+}
+
+func TestCreateNewOFXFileReader_OFX2WithoutBreakLine(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"<?xml version=\"1.0\" encoding=\"US-ASCII\"?>"+
+			"<?OFX OFXHEADER=\"200\" VERSION=\"211\" SECURITY=\"NONE\" OLDFILEUID=\"NONE\" NEWFILEUID=\"NONE\"?>"+
+			"<OFX>"+
+			"  <BANKMSGSRSV1>"+
+			"    <STMTTRNRS>"+
+			"      <STMTRS>"+
+			"        <CURDEF>CNY</CURDEF>"+
+			"        <BANKACCTFROM>"+
+			"          <ACCTID>123</ACCTID>"+
+			"        </BANKACCTFROM>"+
+			"        <BANKTRANLIST>"+
+			"          <STMTTRN>"+
+			"            <TRNTYPE>DEP</TRNTYPE>"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>"+
+			"            <TRNAMT>123.45</TRNAMT>"+
+			"          </STMTTRN>"+
+			"        </BANKTRANLIST>"+
+			"      </STMTRS>"+
+			"    </STMTTRNRS>"+
+			"  </BANKMSGSRSV1>"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.FileHeader)
+	assert.Equal(t, ofxVersion2, ofxFile.FileHeader.OFXDeclarationVersion)
+	assert.Equal(t, "211", ofxFile.FileHeader.OFXDataVersion)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.Security)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.OldFileUid)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.NewFileUid)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse)
+
+	assert.Equal(t, "CNY", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.DefaultCurrency)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom)
+	assert.Equal(t, "123", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom.AccountId)
+
+	assert.Equal(t, 1, len(ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions))
+	assert.Equal(t, ofxDepositTransaction, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].TransactionType)
+	assert.Equal(t, "20240901012345.000[+8:CST]", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].PostedDate)
+	assert.Equal(t, "123.45", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].Amount)
+}
+
+func TestCreateNewOFXFileReader_OFX2WithoutOFXHeader(t *testing.T) {
+	context := core.NewNullContext()
+	_, err := createNewOFXFileReader(context, []byte(
+		"<?xml version=\"1.0\" encoding=\"US-ASCII\"?>"+
+			"<OFX>"+
+			"</OFX>"))
+
+	assert.EqualError(t, err, errs.ErrInvalidOFXFile.Message)
+}
+
+func TestCreateNewOFXFileReader_OFX2WithInvalidHeaderVersion(t *testing.T) {
+	context := core.NewNullContext()
+	_, err := createNewOFXFileReader(context, []byte(
+		"<?xml version=\"1.0\" encoding=\"US-ASCII\"?>"+
+			"<?OFX OFXHEADER=\"100\" VERSION=\"211\" SECURITY=\"NONE\" OLDFILEUID=\"NONE\" NEWFILEUID=\"NONE\"?>"+
+			"<OFX>"+
+			"</OFX>"))
+
+	assert.EqualError(t, err, errs.ErrInvalidOFXFile.Message)
+}
+
+func TestCreateNewOFXFileReader_OFX2WithInvalidHeader(t *testing.T) {
+	context := core.NewNullContext()
+	_, err := createNewOFXFileReader(context, []byte(
+		"<?xml version=\"1.0\" encoding=\"US-ASCII\"?>"+
+			"<?OFX?>"+
+			"<OFX>"+
+			"</OFX>"))
+	assert.EqualError(t, err, errs.ErrInvalidOFXFile.Message)
+
+	_, err = createNewOFXFileReader(context, []byte(
+		"<?xml version=\"1.0\" encoding=\"US-ASCII\"?>"+
+			"<?OFX OFXHEADER=200?>"+
+			"<OFX>"+
+			"</OFX>"))
+	assert.EqualError(t, err, errs.ErrInvalidOFXFile.Message)
+
+	_, err = createNewOFXFileReader(context, []byte(
+		"<?xml version=\"1.0\" encoding=\"US-ASCII\"?>"+
+			"<?OFX OFXHEADER=\"200\" VERSION=\"211\" SECURITY=\"NONE\" OLDFILEUID=\"NONE\" NEWFILEUID=\"NONE\" test=\"\"?>"+
+			"<OFX>"+
+			"</OFX>"))
+	assert.EqualError(t, err, errs.ErrInvalidOFXFile.Message)
+}
+
+func TestCreateNewOFXFileReader_OFX2WithUnknownHeader(t *testing.T) {
+	context := core.NewNullContext()
+
+	reader, err := createNewOFXFileReader(context, []byte(
+		"<?xml version=\"1.0\" encoding=\"US-ASCII\"?>"+
+			"<?OFX OFXHEADER=\"200\" VERSION=\"211\" SECURITY=\"NONE\" OLDFILEUID=\"NONE\" NEWFILEUID=\"NONE\" FOO=\"BAR\"?>"+
+			"<OFX>"+
+			"</OFX>"))
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.NotNil(t, ofxFile)
+
+	assert.NotNil(t, ofxFile.FileHeader)
+	assert.Equal(t, ofxVersion2, ofxFile.FileHeader.OFXDeclarationVersion)
+	assert.Equal(t, "211", ofxFile.FileHeader.OFXDataVersion)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.Security)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.OldFileUid)
+	assert.Equal(t, "NONE", ofxFile.FileHeader.NewFileUid)
+}
+
+func TestCreateNewOFXFileReader_OFX2WithSGML(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"<?xml version=\"1.0\" encoding=\"US-ASCII\"?>\n"+
+			"<?OFX OFXHEADER=\"200\" VERSION=\"211\" SECURITY=\"NONE\" OLDFILEUID=\"NONE\" NEWFILEUID=\"NONE\"?>\n"+
+			"<BANKMSGSRSV1>\n"+
+			"<STMTTRNRS>\n"+
+			"<STMTRS>\n"+
+			"<CURDEF>CNY\n"+
+			"<BANKACCTFROM>\n"+
+			"<ACCTID>123\n"+
+			"</BANKACCTFROM>\n"+
+			"<BANKTRANLIST>\n"+
+			"<STMTTRN>\n"+
+			"<TRNTYPE>DEP\n"+
+			"<DTPOSTED>20240901012345.000[+8:CST]\n"+
+			"<TRNAMT>123.45\n"+
+			"</STMTTRN>\n"+
+			"</BANKTRANLIST>\n"+
+			"</STMTRS>\n"+
+			"</STMTTRNRS>\n"+
+			"</BANKMSGSRSV1>\n"+
+			"</OFX>"))
+	assert.Nil(t, err)
+
+	_, err = reader.read(context)
+	assert.EqualError(t, err, errs.ErrInvalidOFXFile.Message)
+}
+
+func TestCreateNewOFXFileReader_OFX2WithoutAnyHeader(t *testing.T) {
+	context := core.NewNullContext()
+	reader, err := createNewOFXFileReader(context, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"))
+
+	assert.Nil(t, err)
+
+	ofxFile, err := reader.read(context)
+	assert.Nil(t, err)
+	assert.NotNil(t, ofxFile)
+	assert.Nil(t, ofxFile.FileHeader)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse)
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse)
+
+	assert.Equal(t, "CNY", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.DefaultCurrency)
+
+	assert.NotNil(t, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom)
+	assert.Equal(t, "123", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.AccountFrom.AccountId)
+
+	assert.Equal(t, 1, len(ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions))
+	assert.Equal(t, ofxDepositTransaction, ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].TransactionType)
+	assert.Equal(t, "20240901012345.000[+8:CST]", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].PostedDate)
+	assert.Equal(t, "123.45", ofxFile.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList.StatementTransactions[0].Amount)
+}

pkg/converters/ofx/ofx_transaction_data_file_importer.go

@@ -0,0 +1,48 @@
+package ofx
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+var ofxTransactionTypeNameMapping = map[models.TransactionType]string{
+	models.TRANSACTION_TYPE_INCOME:   utils.IntToString(int(models.TRANSACTION_TYPE_INCOME)),
+	models.TRANSACTION_TYPE_EXPENSE:  utils.IntToString(int(models.TRANSACTION_TYPE_EXPENSE)),
+	models.TRANSACTION_TYPE_TRANSFER: utils.IntToString(int(models.TRANSACTION_TYPE_TRANSFER)),
+}
+
+// ofxTransactionDataImporter defines the structure of open financial exchange (ofx) file importer for transaction data
+type ofxTransactionDataImporter struct {
+}
+
+// Initialize a open financial exchange (ofx) transaction data importer singleton instance
+var (
+	OFXTransactionDataImporter = &ofxTransactionDataImporter{}
+)
+
+// ParseImportedData returns the imported data by parsing the open financial exchange (ofx) file transaction data
+func (c *ofxTransactionDataImporter) ParseImportedData(ctx core.Context, user *models.User, data []byte, defaultTimezoneOffset int16, accountMap map[string]*models.Account, expenseCategoryMap map[string]*models.TransactionCategory, incomeCategoryMap map[string]*models.TransactionCategory, transferCategoryMap map[string]*models.TransactionCategory, tagMap map[string]*models.TransactionTag) (models.ImportedTransactionSlice, []*models.Account, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionCategory, []*models.TransactionTag, error) {
+	ofxDataReader, err := createNewOFXFileReader(ctx, data)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	ofxFile, err := ofxDataReader.read(ctx)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	transactionDataTable, err := createNewOFXTransactionDataTable(ofxFile)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	dataTableImporter := datatable.CreateNewSimpleImporter(ofxTransactionTypeNameMapping)
+
+	return dataTableImporter.ParseImportedData(ctx, user, transactionDataTable, defaultTimezoneOffset, accountMap, expenseCategoryMap, incomeCategoryMap, transferCategoryMap, tagMap)
+}

pkg/converters/ofx/ofx_transaction_data_file_importer_test.go

@@ -0,0 +1,741 @@
+package ofx
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+func TestOFXTransactionDataFileParseImportedData_MinimumValidData(t *testing.T) {
+	converter := OFXTransactionDataImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, allNewAccounts, allNewSubExpenseCategories, allNewSubIncomeCategories, allNewSubTransferCategories, allNewTags, err := converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>CHECK</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901123456.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>-0.12</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>XFER</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901225959.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>-1.00</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>XFER</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901235959.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>2.00</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"  <CREDITCARDMSGSRSV1>\n"+
+			"    <CCSTMTTRNRS>\n"+
+			"      <CCSTMTRS>\n"+
+			"        <CURDEF>USD</CURDEF>\n"+
+			"        <CCACCTFROM>\n"+
+			"          <ACCTID>456</ACCTID>\n"+
+			"        </CCACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>ATM</TRNTYPE>\n"+
+			"            <DTPOSTED>20240902012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>1.23</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>POS</TRNTYPE>\n"+
+			"            <DTPOSTED>20240902123456.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>-0.01</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </CCSTMTRS>\n"+
+			"    </CCSTMTTRNRS>\n"+
+			"  </CREDITCARDMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 6, len(allNewTransactions))
+	assert.Equal(t, 3, len(allNewAccounts))
+	assert.Equal(t, 1, len(allNewSubExpenseCategories))
+	assert.Equal(t, 1, len(allNewSubIncomeCategories))
+	assert.Equal(t, 1, len(allNewSubTransferCategories))
+	assert.Equal(t, 0, len(allNewTags))
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[0].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_INCOME, allNewTransactions[0].Type)
+	assert.Equal(t, int64(1725125025), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+	assert.Equal(t, "123", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "CNY", allNewTransactions[0].OriginalSourceAccountCurrency)
+	assert.Equal(t, "", allNewTransactions[0].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[1].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[1].Type)
+	assert.Equal(t, int64(1725165296), utils.GetUnixTimeFromTransactionTime(allNewTransactions[1].TransactionTime))
+	assert.Equal(t, int64(12), allNewTransactions[1].Amount)
+	assert.Equal(t, "123", allNewTransactions[1].OriginalSourceAccountName)
+	assert.Equal(t, "CNY", allNewTransactions[1].OriginalSourceAccountCurrency)
+	assert.Equal(t, "", allNewTransactions[1].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[2].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[2].Type)
+	assert.Equal(t, int64(1725202799), utils.GetUnixTimeFromTransactionTime(allNewTransactions[2].TransactionTime))
+	assert.Equal(t, int64(100), allNewTransactions[2].Amount)
+	assert.Equal(t, "123", allNewTransactions[2].OriginalSourceAccountName)
+	assert.Equal(t, "", allNewTransactions[2].OriginalDestinationAccountName)
+	assert.Equal(t, "", allNewTransactions[2].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[3].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[3].Type)
+	assert.Equal(t, int64(1725206399), utils.GetUnixTimeFromTransactionTime(allNewTransactions[3].TransactionTime))
+	assert.Equal(t, int64(200), allNewTransactions[3].Amount)
+	assert.Equal(t, "", allNewTransactions[3].OriginalSourceAccountName)
+	assert.Equal(t, "123", allNewTransactions[3].OriginalDestinationAccountName)
+	assert.Equal(t, "", allNewTransactions[3].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[4].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_TRANSFER_OUT, allNewTransactions[4].Type)
+	assert.Equal(t, int64(1725211425), utils.GetUnixTimeFromTransactionTime(allNewTransactions[4].TransactionTime))
+	assert.Equal(t, int64(123), allNewTransactions[4].Amount)
+	assert.Equal(t, "", allNewTransactions[4].OriginalSourceAccountName)
+	assert.Equal(t, "USD", allNewTransactions[4].OriginalSourceAccountCurrency)
+	assert.Equal(t, "456", allNewTransactions[4].OriginalDestinationAccountName)
+	assert.Equal(t, "USD", allNewTransactions[4].OriginalDestinationAccountCurrency)
+	assert.Equal(t, "", allNewTransactions[4].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewTransactions[5].Uid)
+	assert.Equal(t, models.TRANSACTION_DB_TYPE_EXPENSE, allNewTransactions[5].Type)
+	assert.Equal(t, int64(1725251696), utils.GetUnixTimeFromTransactionTime(allNewTransactions[5].TransactionTime))
+	assert.Equal(t, int64(1), allNewTransactions[5].Amount)
+	assert.Equal(t, "456", allNewTransactions[5].OriginalSourceAccountName)
+	assert.Equal(t, "USD", allNewTransactions[5].OriginalSourceAccountCurrency)
+	assert.Equal(t, "", allNewTransactions[5].OriginalCategoryName)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[0].Uid)
+	assert.Equal(t, "123", allNewAccounts[0].Name)
+	assert.Equal(t, "CNY", allNewAccounts[0].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[1].Uid)
+	assert.Equal(t, "", allNewAccounts[1].Name)
+	assert.Equal(t, "CNY", allNewAccounts[1].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[2].Uid)
+	assert.Equal(t, "456", allNewAccounts[2].Name)
+	assert.Equal(t, "USD", allNewAccounts[2].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewSubExpenseCategories[0].Uid)
+	assert.Equal(t, "", allNewSubExpenseCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubIncomeCategories[0].Uid)
+	assert.Equal(t, "", allNewSubIncomeCategories[0].Name)
+
+	assert.Equal(t, int64(1234567890), allNewSubTransferCategories[0].Uid)
+	assert.Equal(t, "", allNewSubTransferCategories[0].Name)
+}
+
+func TestOFXTransactionDataFileParseImportedData_ParseAccountTo(t *testing.T) {
+	converter := OFXTransactionDataImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, allNewAccounts, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>XFER</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>-123.45</TRNAMT>\n"+
+			"            <BANKACCTTO>\n"+
+			"              <ACCTID>456</ACCTID>\n"+
+			"            </BANKACCTTO>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"  <CREDITCARDMSGSRSV1>\n"+
+			"    <CCSTMTTRNRS>\n"+
+			"      <CCSTMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <CCACCTFROM>\n"+
+			"          <ACCTID>456</ACCTID>\n"+
+			"        </CCACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>XFER</TRNTYPE>\n"+
+			"            <DTPOSTED>20240902012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>-1.23</TRNAMT>\n"+
+			"            <CCACCTTO>\n"+
+			"              <ACCTID>789</ACCTID>\n"+
+			"            </CCACCTTO>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </CCSTMTRS>\n"+
+			"    </CCSTMTTRNRS>\n"+
+			"  </CREDITCARDMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 2, len(allNewTransactions))
+	assert.Equal(t, 3, len(allNewAccounts))
+
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+	assert.Equal(t, "123", allNewTransactions[0].OriginalSourceAccountName)
+	assert.Equal(t, "CNY", allNewTransactions[0].OriginalSourceAccountCurrency)
+	assert.Equal(t, "456", allNewTransactions[0].OriginalDestinationAccountName)
+	assert.Equal(t, "CNY", allNewTransactions[0].OriginalDestinationAccountCurrency)
+
+	assert.Equal(t, int64(123), allNewTransactions[1].Amount)
+	assert.Equal(t, "456", allNewTransactions[1].OriginalSourceAccountName)
+	assert.Equal(t, "CNY", allNewTransactions[1].OriginalSourceAccountCurrency)
+	assert.Equal(t, "789", allNewTransactions[1].OriginalDestinationAccountName)
+	assert.Equal(t, "CNY", allNewTransactions[1].OriginalDestinationAccountCurrency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[0].Uid)
+	assert.Equal(t, "123", allNewAccounts[0].Name)
+	assert.Equal(t, "CNY", allNewAccounts[0].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[1].Uid)
+	assert.Equal(t, "456", allNewAccounts[1].Name)
+	assert.Equal(t, "CNY", allNewAccounts[1].Currency)
+
+	assert.Equal(t, int64(1234567890), allNewAccounts[2].Uid)
+	assert.Equal(t, "789", allNewAccounts[2].Name)
+	assert.Equal(t, "CNY", allNewAccounts[2].Currency)
+}
+
+func TestOFXTransactionDataFileParseImportedData_ParseValidTransactionTime(t *testing.T) {
+	converter := OFXTransactionDataImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901123456</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901123456.789</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901125959.000[-3]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901122959.000[-3.5]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240902030405.000[0]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 6, len(allNewTransactions))
+
+	assert.Equal(t, int64(1725148800), utils.GetUnixTimeFromTransactionTime(allNewTransactions[0].TransactionTime))
+	assert.Equal(t, int64(1725194096), utils.GetUnixTimeFromTransactionTime(allNewTransactions[1].TransactionTime))
+	assert.Equal(t, int64(1725194096), utils.GetUnixTimeFromTransactionTime(allNewTransactions[2].TransactionTime))
+	assert.Equal(t, int64(1725206399), utils.GetUnixTimeFromTransactionTime(allNewTransactions[3].TransactionTime))
+	assert.Equal(t, int64(1725206399), utils.GetUnixTimeFromTransactionTime(allNewTransactions[4].TransactionTime))
+	assert.Equal(t, int64(1725246245), utils.GetUnixTimeFromTransactionTime(allNewTransactions[5].TransactionTime))
+}
+
+func TestOFXTransactionDataFileParseImportedData_ParseInvalidTransactionTime(t *testing.T) {
+	converter := OFXTransactionDataImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>2024</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>2024-09-01</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>202491</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901 12:34:56</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTimeInvalid.Message)
+}
+
+func TestOFXTransactionDataFileParseImportedData_ParseAmount_CommaAsDecimalPoint(t *testing.T) {
+	converter := OFXTransactionDataImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>123,45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, int64(12345), allNewTransactions[0].Amount)
+}
+
+func TestOFXTransactionDataFileParseImportedData_ParseInvalidAmount(t *testing.T) {
+	converter := OFXTransactionDataImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>123 45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAmountInvalid.Message)
+}
+
+func TestOFXTransactionDataFileParseImportedData_ParseTransactionCurrency(t *testing.T) {
+	converter := OFXTransactionDataImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"        <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"            <CURRENCY>USD</CURRENCY>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "USD", allNewTransactions[0].OriginalSourceAccountCurrency)
+}
+
+func TestOFXTransactionDataFileParseImportedData_ParseDescription(t *testing.T) {
+	converter := OFXTransactionDataImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1234567890,
+		DefaultCurrency: "CNY",
+	}
+
+	allNewTransactions, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"            <NAME>Test</NAME>\n"+
+			"            <MEMO>foo    bar\t#test</MEMO>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "foo    bar\t#test", allNewTransactions[0].Comment)
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"            <NAME>Test</NAME>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "Test", allNewTransactions[0].Comment)
+
+	allNewTransactions, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"            <PAYEE>\n"+
+			"              <NAME>Test</NAME>\n"+
+			"            </PAYEE>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+
+	assert.Nil(t, err)
+	assert.Equal(t, 1, len(allNewTransactions))
+	assert.Equal(t, "Test", allNewTransactions[0].Comment)
+}
+
+func TestOFXTransactionDataFileParseImportedData_MissingAccountFromNode(t *testing.T) {
+	converter := OFXTransactionDataImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	// Missing Posted Date Node
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"  <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingAccountData.Message)
+}
+
+func TestOFXTransactionDataFileParseImportedData_MissingCurrencyNode(t *testing.T) {
+	converter := OFXTransactionDataImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	// Missing Default Currency Node
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"    <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAccountCurrencyInvalid.Message)
+}
+
+func TestOFXTransactionDataFileParseImportedData_MissingTransactionRequiredNode(t *testing.T) {
+	converter := OFXTransactionDataImporter
+	context := core.NewNullContext()
+
+	user := &models.User{
+		Uid:             1,
+		DefaultCurrency: "CNY",
+	}
+
+	// Missing Posted Date Node
+	_, _, _, _, _, _, err := converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"    <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrMissingTransactionTime.Message)
+
+	// Missing Transaction Type Node
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"    <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"            <TRNAMT>123.45</TRNAMT>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrTransactionTypeInvalid.Message)
+
+	// Missing Amount Node
+	_, _, _, _, _, _, err = converter.ParseImportedData(context, user, []byte(
+		"<OFX>\n"+
+			"    <BANKMSGSRSV1>\n"+
+			"    <STMTTRNRS>\n"+
+			"      <STMTRS>\n"+
+			"        <CURDEF>CNY</CURDEF>\n"+
+			"        <BANKACCTFROM>\n"+
+			"          <ACCTID>123</ACCTID>\n"+
+			"        </BANKACCTFROM>\n"+
+			"        <BANKTRANLIST>\n"+
+			"          <STMTTRN>\n"+
+			"            <TRNTYPE>DEP</TRNTYPE>\n"+
+			"            <DTPOSTED>20240901012345.000[+8:CST]</DTPOSTED>\n"+
+			"          </STMTTRN>\n"+
+			"        </BANKTRANLIST>\n"+
+			"      </STMTRS>\n"+
+			"    </STMTTRNRS>\n"+
+			"  </BANKMSGSRSV1>\n"+
+			"</OFX>"), 0, nil, nil, nil, nil, nil)
+	assert.EqualError(t, err, errs.ErrAmountInvalid.Message)
+}

pkg/converters/ofx/ofx_transaction_table.go

@@ -0,0 +1,343 @@
+package ofx
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/mayswind/ezbookkeeping/pkg/converters/datatable"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+var ofxTransactionSupportedColumns = map[datatable.TransactionDataTableColumn]bool{
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME:         true,
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE:     true,
+	datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE:         true,
+	datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY:             true,
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME:             true,
+	datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY:         true,
+	datatable.TRANSACTION_DATA_TABLE_AMOUNT:                   true,
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME:     true,
+	datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY: true,
+	datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT:           true,
+	datatable.TRANSACTION_DATA_TABLE_DESCRIPTION:              true,
+}
+
+// ofxTransactionData defines the structure of open financial exchange (ofx) transaction data
+type ofxTransactionData struct {
+	ofxBaseStatementTransaction
+	DefaultCurrency   string
+	FromAccountId     string
+	FromCreditAccount bool
+	ToAccountId       string
+}
+
+// ofxTransactionDataTable defines the structure of open financial exchange (ofx) transaction data table
+type ofxTransactionDataTable struct {
+	allData []*ofxTransactionData
+}
+
+// ofxTransactionDataRow defines the structure of open financial exchange (ofx) transaction data row
+type ofxTransactionDataRow struct {
+	dataTable  *ofxTransactionDataTable
+	data       *ofxTransactionData
+	finalItems map[datatable.TransactionDataTableColumn]string
+}
+
+// ofxTransactionDataRowIterator defines the structure of open financial exchange (ofx) transaction data row iterator
+type ofxTransactionDataRowIterator struct {
+	dataTable    *ofxTransactionDataTable
+	currentIndex int
+}
+
+// HasColumn returns whether the transaction data table has specified column
+func (t *ofxTransactionDataTable) HasColumn(column datatable.TransactionDataTableColumn) bool {
+	_, exists := ofxTransactionSupportedColumns[column]
+	return exists
+}
+
+// TransactionRowCount returns the total count of transaction data row
+func (t *ofxTransactionDataTable) TransactionRowCount() int {
+	return len(t.allData)
+}
+
+// TransactionRowIterator returns the iterator of transaction data row
+func (t *ofxTransactionDataTable) TransactionRowIterator() datatable.TransactionDataRowIterator {
+	return &ofxTransactionDataRowIterator{
+		dataTable:    t,
+		currentIndex: -1,
+	}
+}
+
+// IsValid returns whether this row is valid data for importing
+func (r *ofxTransactionDataRow) IsValid() bool {
+	return true
+}
+
+// GetData returns the data in the specified column type
+func (r *ofxTransactionDataRow) GetData(column datatable.TransactionDataTableColumn) string {
+	_, exists := ofxTransactionSupportedColumns[column]
+
+	if exists {
+		return r.finalItems[column]
+	}
+
+	return ""
+}
+
+// HasNext returns whether the iterator does not reach the end
+func (t *ofxTransactionDataRowIterator) HasNext() bool {
+	return t.currentIndex+1 < len(t.dataTable.allData)
+}
+
+// Next returns the next imported data row
+func (t *ofxTransactionDataRowIterator) Next(ctx core.Context, user *models.User) (daraRow datatable.TransactionDataRow, err error) {
+	if t.currentIndex+1 >= len(t.dataTable.allData) {
+		return nil, nil
+	}
+
+	t.currentIndex++
+
+	data := t.dataTable.allData[t.currentIndex]
+	rowItems, err := t.parseTransaction(ctx, user, data)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &ofxTransactionDataRow{
+		dataTable:  t.dataTable,
+		data:       data,
+		finalItems: rowItems,
+	}, nil
+}
+
+func (t *ofxTransactionDataRowIterator) parseTransaction(ctx core.Context, user *models.User, ofxTransaction *ofxTransactionData) (map[datatable.TransactionDataTableColumn]string, error) {
+	data := make(map[datatable.TransactionDataTableColumn]string, len(ofxTransactionSupportedColumns))
+
+	if ofxTransaction.PostedDate == "" {
+		return nil, errs.ErrMissingTransactionTime
+	}
+
+	datetime, timezone, err := t.parseTransactionTimeAndTimeZone(ctx, ofxTransaction.PostedDate)
+
+	if err != nil {
+		return nil, err
+	}
+
+	data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME] = datetime
+	data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE] = timezone
+
+	if ofxTransaction.TransactionType == "" {
+		return nil, errs.ErrTransactionTypeInvalid
+	}
+
+	if ofxTransaction.FromAccountId == "" {
+		return nil, errs.ErrMissingAccountData
+	}
+
+	data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = ofxTransaction.FromAccountId
+
+	if ofxTransaction.Currency != "" {
+		data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY] = ofxTransaction.Currency
+	} else {
+		data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY] = ofxTransaction.DefaultCurrency
+	}
+
+	if ofxTransaction.Amount == "" {
+		return nil, errs.ErrAmountInvalid
+	}
+
+	amount, err := utils.ParseAmount(strings.ReplaceAll(ofxTransaction.Amount, ",", ".")) // ofx supports decimal point or comma to indicate the start of the fractional amount
+
+	if err != nil {
+		return nil, errs.ErrAmountInvalid
+	}
+
+	if transactionType, exists := ofxTransactionTypeMapping[ofxTransaction.TransactionType]; exists { // known transaction type
+		data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = utils.IntToString(int(transactionType))
+
+		if data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] == ofxTransactionTypeNameMapping[models.TRANSACTION_TYPE_INCOME] { // income
+			data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(amount)
+		} else if data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] == ofxTransactionTypeNameMapping[models.TRANSACTION_TYPE_EXPENSE] { // expense
+			data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(-amount)
+		} else { // transfer
+			if amount >= 0 { // transfer in
+				data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(amount)
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME]
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY] = data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY]
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = data[datatable.TRANSACTION_DATA_TABLE_AMOUNT]
+				data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = ""
+			} else { // transfer out
+				data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(-amount)
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = ofxTransaction.ToAccountId
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY] = data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY]
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = data[datatable.TRANSACTION_DATA_TABLE_AMOUNT]
+			}
+		}
+	} else { // transaction type depends on signage of amount
+		if amount >= 0 { // income
+			data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = ofxTransactionTypeNameMapping[models.TRANSACTION_TYPE_INCOME]
+			data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(amount)
+		} else { // expense
+			data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = ofxTransactionTypeNameMapping[models.TRANSACTION_TYPE_EXPENSE]
+			data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(-amount)
+		}
+	}
+
+	if data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] != ofxTransactionTypeNameMapping[models.TRANSACTION_TYPE_TRANSFER] {
+		if ofxTransaction.FromCreditAccount || ofxTransaction.TransactionType == ofxGenericCreditTransaction {
+			if amount >= 0 { // payment
+				data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = ofxTransactionTypeNameMapping[models.TRANSACTION_TYPE_TRANSFER]
+				data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(amount)
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME] = data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME]
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY] = data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY]
+				data[datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT] = data[datatable.TRANSACTION_DATA_TABLE_AMOUNT]
+				data[datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME] = ""
+			} else { // purchase
+				data[datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE] = ofxTransactionTypeNameMapping[models.TRANSACTION_TYPE_EXPENSE]
+				data[datatable.TRANSACTION_DATA_TABLE_AMOUNT] = utils.FormatAmount(-amount)
+			}
+		}
+	}
+
+	if ofxTransaction.Memo != "" {
+		data[datatable.TRANSACTION_DATA_TABLE_DESCRIPTION] = ofxTransaction.Memo
+	} else if ofxTransaction.Name != "" {
+		data[datatable.TRANSACTION_DATA_TABLE_DESCRIPTION] = ofxTransaction.Name
+	} else if ofxTransaction.Payee != nil {
+		data[datatable.TRANSACTION_DATA_TABLE_DESCRIPTION] = ofxTransaction.Payee.Name
+	} else {
+		data[datatable.TRANSACTION_DATA_TABLE_DESCRIPTION] = ""
+	}
+
+	return data, nil
+}
+
+func (t *ofxTransactionDataRowIterator) parseTransactionTimeAndTimeZone(ctx core.Context, datetime string) (string, string, error) {
+	if len(datetime) < 8 {
+		return "", "", errs.ErrTransactionTimeInvalid
+	}
+
+	var err error
+	var year, month, day string
+	hour := "00"
+	minute := "00"
+	second := "00"
+	tzOffset := ofxDefaultTimezoneOffset
+
+	if len(datetime) >= 8 { // YYYYMMDD
+		if !utils.IsStringOnlyContainsDigits(datetime[0:8]) {
+			log.Errorf(ctx, "[ofx_transaction_table.parseTransactionTimeAndTimeZone] cannot parse time \"%s\", because contains non-digit character", datetime)
+			return "", "", errs.ErrTransactionTimeInvalid
+		}
+
+		year = datetime[0:4]
+		month = datetime[4:6]
+		day = datetime[6:8]
+	}
+
+	if len(datetime) >= 14 { // YYYYMMDDHHMMSS
+		if !utils.IsStringOnlyContainsDigits(datetime[8:14]) {
+			log.Errorf(ctx, "[ofx_transaction_table.parseTransactionTimeAndTimeZone] cannot parse time \"%s\", because contains non-digit character", datetime)
+			return "", "", errs.ErrTransactionTimeInvalid
+		}
+
+		hour = datetime[8:10]
+		minute = datetime[10:12]
+		second = datetime[12:14]
+	}
+
+	squareBracketStartIndex := strings.Index(datetime, "[")
+
+	if squareBracketStartIndex > 0 { // YYYYMMDDHHMMSS.XXX [gmt offset[:tz name]]
+		timezoneInfo := datetime[squareBracketStartIndex+1 : len(datetime)-1]
+		timezoneItems := strings.Split(timezoneInfo, ":")
+		tzOffset, err = utils.FormatTimezoneOffsetFromHoursOffset(timezoneItems[0])
+
+		if err != nil {
+			log.Errorf(ctx, "[ofx_transaction_table.parseTransactionTimeAndTimeZone] cannot parse timezone offset \"%s\", because %s", timezoneInfo, err.Error())
+			return "", "", errs.ErrTransactionTimeZoneInvalid
+		}
+	}
+
+	return fmt.Sprintf("%s-%s-%s %s:%s:%s", year, month, day, hour, minute, second), tzOffset, nil
+}
+
+func createNewOFXTransactionDataTable(file *ofxFile) (*ofxTransactionDataTable, error) {
+	if file == nil {
+		return nil, errs.ErrNotFoundTransactionDataInFile
+	}
+
+	allData := make([]*ofxTransactionData, 0)
+
+	if file.BankMessageResponseV1 != nil &&
+		file.BankMessageResponseV1.StatementTransactionResponse != nil &&
+		file.BankMessageResponseV1.StatementTransactionResponse.StatementResponse != nil &&
+		file.BankMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList != nil {
+		statement := file.BankMessageResponseV1.StatementTransactionResponse.StatementResponse
+		bankTransactions := statement.TransactionList.StatementTransactions
+		fromAccountId := ""
+		fromCreditAccount := false
+
+		if statement.AccountFrom != nil {
+			fromAccountId = statement.AccountFrom.AccountId
+
+			if statement.AccountFrom.AccountType == ofxLineOfCreditAccount {
+				fromCreditAccount = true
+			}
+		}
+
+		for i := 0; i < len(bankTransactions); i++ {
+			toAccountId := ""
+
+			if bankTransactions[i].AccountTo != nil {
+				toAccountId = bankTransactions[i].AccountTo.AccountId
+			}
+
+			allData = append(allData, &ofxTransactionData{
+				ofxBaseStatementTransaction: bankTransactions[i].ofxBaseStatementTransaction,
+				DefaultCurrency:             statement.DefaultCurrency,
+				FromAccountId:               fromAccountId,
+				FromCreditAccount:           fromCreditAccount,
+				ToAccountId:                 toAccountId,
+			})
+		}
+	}
+
+	if file.CreditCardMessageResponseV1 != nil &&
+		file.CreditCardMessageResponseV1.StatementTransactionResponse != nil &&
+		file.CreditCardMessageResponseV1.StatementTransactionResponse.StatementResponse != nil &&
+		file.CreditCardMessageResponseV1.StatementTransactionResponse.StatementResponse.TransactionList != nil {
+		statement := file.CreditCardMessageResponseV1.StatementTransactionResponse.StatementResponse
+		bankTransactions := statement.TransactionList.StatementTransactions
+		fromAccountId := ""
+
+		if statement.AccountFrom != nil {
+			fromAccountId = statement.AccountFrom.AccountId
+		}
+
+		for i := 0; i < len(bankTransactions); i++ {
+			toAccountId := ""
+
+			if bankTransactions[i].AccountTo != nil {
+				toAccountId = bankTransactions[i].AccountTo.AccountId
+			}
+
+			allData = append(allData, &ofxTransactionData{
+				ofxBaseStatementTransaction: bankTransactions[i].ofxBaseStatementTransaction,
+				DefaultCurrency:             statement.DefaultCurrency,
+				FromAccountId:               fromAccountId,
+				FromCreditAccount:           true,
+				ToAccountId:                 toAccountId,
+			})
+		}
+	}
+
+	return &ofxTransactionDataTable{
+		allData: allData,
+	}, nil
+}

pkg/converters/qif/qif_data.go

@@ -0,0 +1,124 @@
+package qif
+
+// qifTransactionClearedStatus represents the quicken interchange format (qif) transaction cleared status
+type qifTransactionClearedStatus string
+
+// Quicken interchange format transaction types
+const (
+	qifClearedStatusUnreconciled qifTransactionClearedStatus = ""
+	qifClearedStatusCleared      qifTransactionClearedStatus = "C"
+	qifClearedStatusReconciled   qifTransactionClearedStatus = "R"
+)
+
+// qifTransactionType represents the quicken interchange format (qif) transaction type
+type qifTransactionType string
+
+// Quicken interchange format transaction types
+const (
+	qifInvalidTransactionType         qifTransactionType = ""
+	qifCheckTransactionType           qifTransactionType = "KC"
+	qifDepositTransactionType         qifTransactionType = "KD"
+	qifPaymentTransactionType         qifTransactionType = "KP"
+	qifInvestmentTransactionType      qifTransactionType = "KI"
+	qifElectronicPayeeTransactionType qifTransactionType = "KE"
+)
+
+// qifCategoryType represents the quicken interchange format (qif) category type
+type qifCategoryType string
+
+// Quicken interchange format category types
+const (
+	qifIncomeTransaction  qifCategoryType = "I"
+	qifExpenseTransaction qifCategoryType = "E"
+)
+
+// qifData defines the structure of quicken interchange format (qif) data
+type qifData struct {
+	bankAccountTransactions       []*qifTransactionData
+	cashAccountTransactions       []*qifTransactionData
+	creditCardAccountTransactions []*qifTransactionData
+	assetAccountTransactions      []*qifTransactionData
+	liabilityAccountTransactions  []*qifTransactionData
+	memorizedTransactions         []*qifMemorizedTransactionData
+	investmentAccountTransactions []*qifInvestmentTransactionData
+	accounts                      []*qifAccountData
+	categories                    []*qifCategoryData
+	classes                       []*qifClassData
+}
+
+// qifTransactionData defines the structure of quicken interchange format (qif) transaction data
+type qifTransactionData struct {
+	date                   string
+	amount                 string
+	clearedStatus          qifTransactionClearedStatus
+	num                    string
+	payee                  string
+	memo                   string
+	addresses              []string
+	category               string
+	subTransactionCategory []string
+	subTransactionMemo     []string
+	subTransactionAmount   []string
+	account                *qifAccountData
+}
+
+// qifInvestmentTransactionData defines the structure of quicken interchange format (qif) investment transaction data
+type qifInvestmentTransactionData struct {
+	date               string
+	action             string
+	security           string
+	price              string
+	quantity           string
+	amount             string
+	clearedStatus      qifTransactionClearedStatus
+	text               string
+	memo               string
+	commission         string
+	accountForTransfer string
+	amountTransferred  string
+	account            *qifAccountData
+}
+
+// qifMemorizedTransactionData defines the structure of quicken interchange format (qif) memorized transaction data
+type qifMemorizedTransactionData struct {
+	qifTransactionData
+	transactionType qifTransactionType
+	amortization    qifMemorizedTransactionAmortizationData
+}
+
+// qifMemorizedTransactionAmortizationData defines the structure of quicken interchange format (qif) memorized transaction amortization data
+type qifMemorizedTransactionAmortizationData struct {
+	firstPaymentDate       string
+	totalYearsForLoan      string
+	numberOfPayments       string
+	numberOfPeriodsPerYear string
+	interestRate           string
+	currentLoanBalance     string
+	originalLoanAmount     string
+}
+
+// qifAccountData defines the structure of quicken interchange format (qif) account data
+type qifAccountData struct {
+	name                   string
+	accountType            string
+	description            string
+	creditLimit            string
+	statementBalanceDate   string
+	statementBalanceAmount string
+}
+
+// qifCategoryData defines the structure of quicken interchange format (qif) category data
+type qifCategoryData struct {
+	name                   string
+	description            string
+	taxRelated             bool
+	categoryType           qifCategoryType
+	budgetAmount           string
+	taxScheduleInformation string
+}
+
+// qifClassData defines the structure of quicken interchange format (qif) class data
+type qifClassData struct {
+	name        string
+	description string
+}

pkg/converters/qif/qif_data_reader.go

@@ -0,0 +1,481 @@
+package qif
+
+import (
+	"bufio"
+	"bytes"
+	"strings"
+
+	"golang.org/x/text/encoding/unicode"
+	"golang.org/x/text/transform"
+
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+)
+
+const qifBankTransactionHeader = "!Type:Bank"
+const qifCashTransactionHeader = "!Type:Cash"
+const qifCreditCardTransactionHeader = "!Type:CCard"
+const qifAssetAccountTransactionHeader = "!Type:Oth A"
+const qifLiabilityAccountTransactionHeader = "!Type:Oth L"
+const qifMemorizedTransactionHeader = "!Type:Memorized"
+const qifMemorisedTransactionHeader = "!Type:Memorised"
+const qifInvestmentTransactionHeader = "!Type:Invst"
+const qifAccountHeader = "!Account"
+const qifCategoryHeader = "!Type:Cat"
+const qifClassHeader = "!Type:Class"
+const qifTypeHeaderPrefix = "!Type:"
+
+const qifEntryStartRune = '!'
+const qifEntryEnd = '^'
+
+// qifDataReader defines the structure of quicken interchange format (qif) data reader
+type qifDataReader struct {
+	allLines []string
+}
+
+// read returns the imported qif data
+// Reference: https://www.w3.org/2000/10/swap/pim/qif-doc/QIF-doc.htm
+func (r *qifDataReader) read(ctx core.Context) (*qifData, error) {
+	if len(r.allLines) < 1 {
+		return nil, errs.ErrNotFoundTransactionDataInFile
+	}
+
+	data := &qifData{}
+	var currentEntryHeader string
+	var currentEntryData []string
+	var currentAccount *qifAccountData
+
+	for i := 0; i < len(r.allLines); i++ {
+		line := r.allLines[i]
+
+		if len(line) < 1 {
+			continue
+		}
+
+		if line[0] == qifEntryStartRune {
+			if len(currentEntryData) > 0 {
+				log.Errorf(ctx, "[qif_data_reader.read] read new entry header \"%s\" after unclosed entry", line)
+				return nil, errs.ErrInvalidQIFFile
+			}
+
+			line = strings.TrimRight(line, " ")
+
+			if line == qifBankTransactionHeader ||
+				line == qifCashTransactionHeader ||
+				line == qifCreditCardTransactionHeader ||
+				line == qifAssetAccountTransactionHeader ||
+				line == qifLiabilityAccountTransactionHeader ||
+				line == qifMemorizedTransactionHeader ||
+				line == qifMemorisedTransactionHeader ||
+				line == qifInvestmentTransactionHeader ||
+				line == qifAccountHeader ||
+				line == qifCategoryHeader ||
+				line == qifClassHeader {
+				currentEntryHeader = line
+			} else if strings.Index(line, qifTypeHeaderPrefix) == 0 {
+				currentEntryHeader = line
+				log.Warnf(ctx, "[qif_data_reader.read] read unsupported entry header line \"%s\" and skip the following entries", line)
+			} else {
+				log.Warnf(ctx, "[qif_data_reader.read] read unsupported entry header line \"%s\" and skip this line", line)
+			}
+		} else if line[0] == qifEntryEnd {
+			entryData := currentEntryData
+			currentEntryData = nil
+
+			if currentEntryHeader == qifBankTransactionHeader ||
+				currentEntryHeader == qifCashTransactionHeader ||
+				currentEntryHeader == qifCreditCardTransactionHeader ||
+				currentEntryHeader == qifAssetAccountTransactionHeader ||
+				currentEntryHeader == qifLiabilityAccountTransactionHeader {
+				transactionData, err := r.parseTransaction(ctx, entryData, false)
+
+				if err != nil {
+					return nil, err
+				}
+
+				if transactionData == nil {
+					continue
+				}
+
+				transactionData.account = currentAccount
+
+				if currentEntryHeader == qifBankTransactionHeader {
+					data.bankAccountTransactions = append(data.bankAccountTransactions, transactionData)
+				} else if currentEntryHeader == qifCashTransactionHeader {
+					data.cashAccountTransactions = append(data.cashAccountTransactions, transactionData)
+				} else if currentEntryHeader == qifCreditCardTransactionHeader {
+					data.creditCardAccountTransactions = append(data.creditCardAccountTransactions, transactionData)
+				} else if currentEntryHeader == qifAssetAccountTransactionHeader {
+					data.assetAccountTransactions = append(data.assetAccountTransactions, transactionData)
+				} else if currentEntryHeader == qifLiabilityAccountTransactionHeader {
+					data.liabilityAccountTransactions = append(data.liabilityAccountTransactions, transactionData)
+				}
+			} else if currentEntryHeader == qifMemorizedTransactionHeader || currentEntryHeader == qifMemorisedTransactionHeader {
+				transactionData, err := r.parseMemorizedTransaction(ctx, entryData)
+
+				if err != nil {
+					return nil, err
+				}
+
+				if transactionData == nil {
+					continue
+				}
+
+				transactionData.account = currentAccount
+				data.memorizedTransactions = append(data.memorizedTransactions, transactionData)
+			} else if currentEntryHeader == qifInvestmentTransactionHeader {
+				transactionData, err := r.parseInvestmentTransaction(ctx, entryData)
+
+				if err != nil {
+					return nil, err
+				}
+
+				if transactionData == nil {
+					continue
+				}
+
+				transactionData.account = currentAccount
+				data.investmentAccountTransactions = append(data.investmentAccountTransactions, transactionData)
+			} else if currentEntryHeader == qifAccountHeader {
+				accountData, err := r.parseAccount(ctx, entryData)
+
+				if err != nil {
+					return nil, err
+				}
+
+				if accountData == nil {
+					continue
+				}
+
+				currentAccount = accountData
+				data.accounts = append(data.accounts, accountData)
+			} else if currentEntryHeader == qifCategoryHeader {
+				categoryData, err := r.parseCategory(ctx, entryData)
+
+				if err != nil {
+					return nil, err
+				}
+
+				if categoryData == nil {
+					continue
+				}
+
+				data.categories = append(data.categories, categoryData)
+			} else if currentEntryHeader == qifClassHeader {
+				classData, err := r.parseClass(ctx, entryData)
+
+				if err != nil {
+					return nil, err
+				}
+
+				if classData == nil {
+					continue
+				}
+
+				data.classes = append(data.classes, classData)
+			} else {
+				log.Warnf(ctx, "[qif_data_reader.read] read unsupported entry header \"%s\" and skip this entry", currentEntryHeader)
+			}
+		} else if currentEntryHeader != "" {
+			currentEntryData = append(currentEntryData, line)
+		} else {
+			log.Warnf(ctx, "[qif_data_reader.read] read unsupported line \"%s\" and skip this line", line)
+		}
+	}
+
+	return data, nil
+}
+
+func (r *qifDataReader) parseTransaction(ctx core.Context, data []string, ignoreUnknown bool) (*qifTransactionData, error) {
+	if len(data) < 1 {
+		return nil, nil
+	}
+
+	transactionData := &qifTransactionData{}
+
+	for i := 0; i < len(data); i++ {
+		line := data[i]
+
+		if len(line) < 1 {
+			continue
+		}
+
+		if line[0] == 'D' {
+			transactionData.date = line[1:]
+		} else if line[0] == 'T' {
+			transactionData.amount = line[1:]
+		} else if line[0] == 'C' {
+			transactionData.clearedStatus = r.parseClearedStatus(ctx, line[1:])
+		} else if line[0] == 'N' {
+			transactionData.num = line[1:]
+		} else if line[0] == 'P' {
+			transactionData.payee = line[1:]
+		} else if line[0] == 'M' {
+			transactionData.memo = line[1:]
+		} else if line[0] == 'A' {
+			transactionData.addresses = append(transactionData.addresses, line[1:])
+		} else if line[0] == 'L' {
+			transactionData.category = line[1:]
+		} else if line[0] == 'S' {
+			transactionData.subTransactionCategory = append(transactionData.subTransactionCategory, line[1:])
+		} else if line[0] == 'E' {
+			transactionData.subTransactionMemo = append(transactionData.subTransactionMemo, line[1:])
+		} else if line[0] == '$' {
+			transactionData.subTransactionAmount = append(transactionData.subTransactionAmount, line[1:])
+		} else {
+			if !ignoreUnknown {
+				log.Warnf(ctx, "[qif_data_reader.parseTransaction] read unsupported line \"%s\" and skip this line", line)
+				continue
+			}
+		}
+	}
+
+	return transactionData, nil
+}
+
+func (r *qifDataReader) parseMemorizedTransaction(ctx core.Context, data []string) (*qifMemorizedTransactionData, error) {
+	if len(data) < 1 {
+		return nil, nil
+	}
+
+	baseTransactionData, err := r.parseTransaction(ctx, data, true)
+
+	if err != nil {
+		return nil, err
+	}
+
+	transactionData := &qifMemorizedTransactionData{
+		qifTransactionData: *baseTransactionData,
+		amortization:       qifMemorizedTransactionAmortizationData{},
+	}
+
+	for i := 0; i < len(data); i++ {
+		line := data[i]
+
+		if len(line) < 1 {
+			continue
+		}
+
+		// these lines has been already processed in parseTransaction
+		if line[0] == 'D' || line[0] == 'T' || line[0] == 'C' || line[0] == 'N' ||
+			line[0] == 'P' || line[0] == 'M' || line[0] == 'A' || line[0] == 'L' ||
+			line[0] == 'S' || line[0] == 'E' || line[0] == '$' {
+			continue
+		}
+
+		if line[0] == 'K' {
+			if line == string(qifCheckTransactionType) {
+				transactionData.transactionType = qifCheckTransactionType
+			} else if line == string(qifDepositTransactionType) {
+				transactionData.transactionType = qifDepositTransactionType
+			} else if line == string(qifPaymentTransactionType) {
+				transactionData.transactionType = qifPaymentTransactionType
+			} else if line == string(qifInvestmentTransactionType) {
+				transactionData.transactionType = qifInvestmentTransactionType
+			} else if line == string(qifElectronicPayeeTransactionType) {
+				transactionData.transactionType = qifElectronicPayeeTransactionType
+			} else {
+				log.Warnf(ctx, "[qif_data_reader.parseMemorizedTransaction] read unsupported transaction type \"%s\" and skip this line", line)
+				continue
+			}
+		} else if line[0] == '1' {
+			transactionData.amortization.firstPaymentDate = line[1:]
+		} else if line[0] == '2' {
+			transactionData.amortization.totalYearsForLoan = line[1:]
+		} else if line[0] == '3' {
+			transactionData.amortization.numberOfPayments = line[1:]
+		} else if line[0] == '4' {
+			transactionData.amortization.numberOfPeriodsPerYear = line[1:]
+		} else if line[0] == '5' {
+			transactionData.amortization.interestRate = line[1:]
+		} else if line[0] == '6' {
+			transactionData.amortization.currentLoanBalance = line[1:]
+		} else if line[0] == '7' {
+			transactionData.amortization.originalLoanAmount = line[1:]
+		} else {
+			log.Warnf(ctx, "[qif_data_reader.parseMemorizedTransaction] read unsupported line \"%s\" and skip this line", line)
+			continue
+		}
+	}
+
+	return transactionData, nil
+}
+
+func (r *qifDataReader) parseInvestmentTransaction(ctx core.Context, data []string) (*qifInvestmentTransactionData, error) {
+	if len(data) < 1 {
+		return nil, nil
+	}
+
+	transactionData := &qifInvestmentTransactionData{}
+
+	for i := 0; i < len(data); i++ {
+		line := data[i]
+
+		if len(line) < 1 {
+			continue
+		}
+
+		if line[0] == 'D' {
+			transactionData.date = line[1:]
+		} else if line[0] == 'N' {
+			transactionData.action = line[1:]
+		} else if line[0] == 'Y' {
+			transactionData.security = line[1:]
+		} else if line[0] == 'I' {
+			transactionData.price = line[1:]
+		} else if line[0] == 'Q' {
+			transactionData.quantity = line[1:]
+		} else if line[0] == 'T' {
+			transactionData.amount = line[1:]
+		} else if line[0] == 'C' {
+			transactionData.clearedStatus = r.parseClearedStatus(ctx, line[1:])
+		} else if line[0] == 'P' {
+			transactionData.text = line[1:]
+		} else if line[0] == 'M' {
+			transactionData.memo = line[1:]
+		} else if line[0] == 'O' {
+			transactionData.commission = line[1:]
+		} else if line[0] == 'L' {
+			transactionData.accountForTransfer = line[1:]
+		} else if line[0] == '$' {
+			transactionData.amountTransferred = line[1:]
+		} else {
+			log.Warnf(ctx, "[qif_data_reader.parseInvestmentTransaction] read unsupported line \"%s\" and skip this line", line)
+			continue
+		}
+	}
+
+	return transactionData, nil
+}
+
+func (r *qifDataReader) parseAccount(ctx core.Context, data []string) (*qifAccountData, error) {
+	if len(data) < 1 {
+		return nil, nil
+	}
+
+	accountData := &qifAccountData{}
+
+	for i := 0; i < len(data); i++ {
+		line := data[i]
+
+		if len(line) < 1 {
+			continue
+		}
+
+		if line[0] == 'N' {
+			accountData.name = line[1:]
+		} else if line[0] == 'T' {
+			accountData.accountType = line[1:]
+		} else if line[0] == 'D' {
+			accountData.description = line[1:]
+		} else if line[0] == 'L' {
+			accountData.creditLimit = line[1:]
+		} else if line[0] == '/' {
+			accountData.statementBalanceDate = line[1:]
+		} else if line[0] == '$' {
+			accountData.statementBalanceAmount = line[1:]
+		} else {
+			log.Warnf(ctx, "[qif_data_reader.parseAccount] read unsupported line \"%s\" and skip this line", line)
+			continue
+		}
+	}
+
+	return accountData, nil
+}
+
+func (r *qifDataReader) parseCategory(ctx core.Context, data []string) (*qifCategoryData, error) {
+	if len(data) < 1 {
+		return nil, nil
+	}
+
+	categoryData := &qifCategoryData{}
+
+	for i := 0; i < len(data); i++ {
+		line := data[i]
+
+		if len(line) < 1 {
+			continue
+		}
+
+		if line[0] == 'N' {
+			categoryData.name = line[1:]
+		} else if line[0] == 'D' {
+			categoryData.description = line[1:]
+		} else if line[0] == 'T' {
+			categoryData.taxRelated = true
+		} else if line[0] == 'I' {
+			categoryData.categoryType = qifIncomeTransaction
+		} else if line[0] == 'E' {
+			categoryData.categoryType = qifExpenseTransaction
+		} else if line[0] == 'B' {
+			categoryData.budgetAmount = line[1:]
+		} else if line[0] == 'R' {
+			categoryData.taxScheduleInformation = line[1:]
+		} else {
+			log.Warnf(ctx, "[qif_data_reader.parseCategory] read unsupported line \"%s\" and skip this line", line)
+			continue
+		}
+	}
+
+	if categoryData.categoryType == "" {
+		categoryData.categoryType = qifExpenseTransaction
+	}
+
+	return categoryData, nil
+}
+
+func (r *qifDataReader) parseClass(ctx core.Context, data []string) (*qifClassData, error) {
+	if len(data) < 1 {
+		return nil, nil
+	}
+
+	classData := &qifClassData{}
+
+	for i := 0; i < len(data); i++ {
+		line := data[i]
+
+		if len(line) < 1 {
+			continue
+		}
+
+		if line[0] == 'N' {
+			classData.name = line[1:]
+		} else if line[0] == 'D' {
+			classData.description = line[1:]
+		} else {
+			log.Warnf(ctx, "[qif_data_reader.parseClass] read unsupported line \"%s\" and skip this line", line)
+			continue
+		}
+	}
+
+	return classData, nil
+}
+
+func (r *qifDataReader) parseClearedStatus(ctx core.Context, value string) qifTransactionClearedStatus {
+	if value == "" {
+		return qifClearedStatusUnreconciled
+	} else if value == "*" || strings.ToUpper(value) == "C" {
+		return qifClearedStatusCleared
+	} else if strings.ToUpper(value) == "R" || strings.ToUpper(value) == "X" {
+		return qifClearedStatusReconciled
+	} else {
+		log.Warnf(ctx, "[qif_data_reader.parseClearedStatus] read unsupported transaction cleared status \"%s\" and skip this value", value)
+		return qifClearedStatusUnreconciled
+	}
+}
+
+func createNewQifDataReader(data []byte) *qifDataReader {
+	fallback := unicode.UTF8.NewDecoder()
+	reader := transform.NewReader(bytes.NewReader(data), unicode.BOMOverride(fallback))
+	scanner := bufio.NewScanner(reader)
+	allLines := make([]string, 0)
+
+	for scanner.Scan() {
+		allLines = append(allLines, scanner.Text())
+	}
+
+	return &qifDataReader{
+		allLines: allLines,
+	}
+}