Files
ezbookkeeping/pkg/converters/converter/data_table_transaction_data_importer.go
T

522 lines
22 KiB
Go

package converter
import (
"sort"
"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"
"github.com/mayswind/ezbookkeeping/pkg/validators"
)
type TransactionGeoLocationOrder string
const (
TRANSACTION_GEO_LOCATION_ORDER_LONGITUDE_LATITUDE TransactionGeoLocationOrder = "lonlat" // longitude first, then latitude
TRANSACTION_GEO_LOCATION_ORDER_LATITUDE_LONGITUDE TransactionGeoLocationOrder = "latlon" // latitude first, then longitude
)
// DataTableTransactionDataImporter defines the structure of plain text data table importer for transaction data
type DataTableTransactionDataImporter struct {
transactionTypeMapping map[string]models.TransactionType
geoLocationSeparator string
geoLocationOrder TransactionGeoLocationOrder
transactionTagSeparator string
}
// ParseImportedData returns the imported transaction data
func (c *DataTableTransactionDataImporter) ParseImportedData(ctx core.Context, user *models.User, dataTable datatable.TransactionDataTable, defaultTimezoneOffset int16, accountMap map[string]*models.Account, expenseCategoryMap map[string]map[string]*models.TransactionCategory, incomeCategoryMap map[string]map[string]*models.TransactionCategory, transferCategoryMap map[string]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_importer.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(datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME) ||
!dataTable.HasColumn(datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE) ||
!dataTable.HasColumn(datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY) ||
!dataTable.HasColumn(datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME) ||
!dataTable.HasColumn(datatable.TRANSACTION_DATA_TABLE_AMOUNT) ||
!dataTable.HasColumn(datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME) {
log.Errorf(ctx, "[data_table_transaction_data_importer.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]map[string]*models.TransactionCategory)
}
if incomeCategoryMap == nil {
incomeCategoryMap = make(map[string]map[string]*models.TransactionCategory)
}
if transferCategoryMap == nil {
transferCategoryMap = make(map[string]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_importer.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(datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE) &&
dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE) != datatable.TRANSACTION_DATA_TABLE_TIMEZONE_NOT_AVAILABLE {
transactionTimezone, err := utils.ParseFromTimezoneOffset(dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIMEZONE))
if err != nil {
log.Errorf(ctx, "[data_table_transaction_data_importer.ParseImportedData] cannot parse time zone \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(datatable.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(datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TIME), timezoneOffset)
if err != nil {
log.Errorf(ctx, "[data_table_transaction_data_importer.ParseImportedData] cannot parse time \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(datatable.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(datatable.TRANSACTION_DATA_TABLE_TRANSACTION_TYPE))
if err != nil {
log.Errorf(ctx, "[data_table_transaction_data_importer.ParseImportedData] cannot parse transaction type \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(datatable.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)
categoryName := ""
subCategoryName := ""
if transactionDbType != models.TRANSACTION_DB_TYPE_MODIFY_BALANCE {
transactionCategoryType, err := c.getTransactionCategoryType(transactionDbType)
if err != nil {
log.Errorf(ctx, "[data_table_transaction_data_importer.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)
}
categoryName = dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_CATEGORY)
subCategoryName = dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_SUB_CATEGORY)
if transactionDbType == models.TRANSACTION_DB_TYPE_EXPENSE {
subCategory, exists := c.getTransactionCategory(expenseCategoryMap, categoryName, subCategoryName)
if !exists {
subCategory = c.createNewTransactionCategoryModel(user.Uid, subCategoryName, transactionCategoryType)
allNewSubExpenseCategories = append(allNewSubExpenseCategories, subCategory)
if _, exists = expenseCategoryMap[subCategoryName]; !exists {
expenseCategoryMap[subCategoryName] = make(map[string]*models.TransactionCategory)
}
expenseCategoryMap[subCategoryName][categoryName] = subCategory
}
categoryId = subCategory.CategoryId
} else if transactionDbType == models.TRANSACTION_DB_TYPE_INCOME {
subCategory, exists := c.getTransactionCategory(incomeCategoryMap, categoryName, subCategoryName)
if !exists {
subCategory = c.createNewTransactionCategoryModel(user.Uid, subCategoryName, transactionCategoryType)
allNewSubIncomeCategories = append(allNewSubIncomeCategories, subCategory)
if _, exists = incomeCategoryMap[subCategoryName]; !exists {
incomeCategoryMap[subCategoryName] = make(map[string]*models.TransactionCategory)
}
incomeCategoryMap[subCategoryName][categoryName] = subCategory
}
categoryId = subCategory.CategoryId
} else if transactionDbType == models.TRANSACTION_DB_TYPE_TRANSFER_OUT {
subCategory, exists := c.getTransactionCategory(transferCategoryMap, categoryName, subCategoryName)
if !exists {
subCategory = c.createNewTransactionCategoryModel(user.Uid, subCategoryName, transactionCategoryType)
allNewSubTransferCategories = append(allNewSubTransferCategories, subCategory)
if _, exists = transferCategoryMap[subCategoryName]; !exists {
transferCategoryMap[subCategoryName] = make(map[string]*models.TransactionCategory)
}
transferCategoryMap[subCategoryName][categoryName] = subCategory
}
categoryId = subCategory.CategoryId
}
}
accountName := dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_ACCOUNT_NAME)
accountCurrency := user.DefaultCurrency
if dataTable.HasColumn(datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY) && dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY) != "" {
accountCurrency = dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY)
if _, ok := validators.AllCurrencyNames[accountCurrency]; !ok {
log.Errorf(ctx, "[data_table_transaction_data_importer.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(datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY) && dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_ACCOUNT_CURRENCY) != "" {
if account.Name != "" && account.Currency != accountCurrency {
log.Errorf(ctx, "[data_table_transaction_data_importer.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(datatable.TRANSACTION_DATA_TABLE_AMOUNT))
if err != nil {
log.Errorf(ctx, "[data_table_transaction_data_importer.ParseImportedData] cannot parse acmount \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(datatable.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(datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_NAME)
account2Currency = user.DefaultCurrency
if dataTable.HasColumn(datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY) && dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY) != "" {
account2Currency = dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY)
if _, ok := validators.AllCurrencyNames[account2Currency]; !ok {
log.Errorf(ctx, "[data_table_transaction_data_importer.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(datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY) && dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_RELATED_ACCOUNT_CURRENCY) != "" {
if account2.Name != "" && account2.Currency != account2Currency {
log.Errorf(ctx, "[data_table_transaction_data_importer.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(datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT) {
relatedAccountAmount, err = utils.ParseAmount(dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_RELATED_AMOUNT))
if err != nil {
log.Errorf(ctx, "[data_table_transaction_data_importer.ParseImportedData] cannot parse acmount2 \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(datatable.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(datatable.TRANSACTION_DATA_TABLE_GEOGRAPHIC_LOCATION) && c.geoLocationSeparator != "" {
geoLocationItems := strings.Split(dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_GEOGRAPHIC_LOCATION), c.geoLocationSeparator)
if len(geoLocationItems) == 2 {
geoLocationFirstItem, err := utils.StringToFloat64(geoLocationItems[0])
if err != nil {
log.Errorf(ctx, "[data_table_transaction_data_importer.ParseImportedData] cannot parse geographic location \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_GEOGRAPHIC_LOCATION), dataRowIndex, user.Uid, err.Error())
return nil, nil, nil, nil, nil, nil, errs.ErrGeographicLocationInvalid
}
geoLocationSecondItem, err := utils.StringToFloat64(geoLocationItems[1])
if err != nil {
log.Errorf(ctx, "[data_table_transaction_data_importer.ParseImportedData] cannot parse geographic location \"%s\" in data row \"index:%d\" for user \"uid:%d\", because %s", dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_GEOGRAPHIC_LOCATION), dataRowIndex, user.Uid, err.Error())
return nil, nil, nil, nil, nil, nil, errs.ErrGeographicLocationInvalid
}
if c.geoLocationOrder == TRANSACTION_GEO_LOCATION_ORDER_LONGITUDE_LATITUDE {
geoLongitude = geoLocationFirstItem
geoLatitude = geoLocationSecondItem
} else if c.geoLocationOrder == TRANSACTION_GEO_LOCATION_ORDER_LATITUDE_LONGITUDE {
geoLatitude = geoLocationFirstItem
geoLongitude = geoLocationSecondItem
}
}
}
var tagIds []string
var tagNames []string
if dataTable.HasColumn(datatable.TRANSACTION_DATA_TABLE_TAGS) {
var tagNameItems []string
if c.transactionTagSeparator != "" {
tagNameItems = strings.Split(dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_TAGS), c.transactionTagSeparator)
} else {
tagNameItems = append(tagNameItems, dataRow.GetData(datatable.TRANSACTION_DATA_TABLE_TAGS))
}
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(datatable.TRANSACTION_DATA_TABLE_DESCRIPTION) {
description = dataRow.GetData(datatable.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_importer.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))
for name, transactionType := range c.transactionTypeMapping {
if transactionType == models.TRANSACTION_TYPE_MODIFY_BALANCE {
nameDbTypeMap[name] = models.TRANSACTION_DB_TYPE_MODIFY_BALANCE
} else if transactionType == models.TRANSACTION_TYPE_INCOME {
nameDbTypeMap[name] = models.TRANSACTION_DB_TYPE_INCOME
} else if transactionType == models.TRANSACTION_TYPE_EXPENSE {
nameDbTypeMap[name] = models.TRANSACTION_DB_TYPE_EXPENSE
} else if transactionType == models.TRANSACTION_TYPE_TRANSFER {
nameDbTypeMap[name] = models.TRANSACTION_DB_TYPE_TRANSFER_OUT
} else {
return nil, errs.ErrTransactionTypeInvalid
}
}
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) getTransactionCategory(categories map[string]map[string]*models.TransactionCategory, categoryName string, subCategoryName string) (*models.TransactionCategory, bool) {
if len(categories) < 1 {
return nil, false
}
subCategories, exists := categories[subCategoryName]
if !exists || len(subCategories) < 1 {
return nil, false
}
if categoryName == "" {
for _, subCategory := range subCategories {
if subCategory != nil {
return subCategory, true
}
}
}
subCategory, exists := subCategories[categoryName]
if !exists {
for _, subCategory := range subCategories {
if subCategory != nil {
return subCategory, true
}
}
}
return subCategory, exists
}
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,
}
}
// CreateNewImporterWithTypeNameMapping returns a new data table transaction data importer according to the specified arguments
func CreateNewImporterWithTypeNameMapping(transactionTypeMapping map[models.TransactionType]string, geoLocationSeparator string, geoLocationOrder TransactionGeoLocationOrder, transactionTagSeparator string) *DataTableTransactionDataImporter {
return &DataTableTransactionDataImporter{
transactionTypeMapping: buildTransactionNameTypeMap(transactionTypeMapping),
geoLocationSeparator: geoLocationSeparator,
geoLocationOrder: geoLocationOrder,
transactionTagSeparator: transactionTagSeparator,
}
}
// CreateNewSimpleImporter returns a new data table transaction data importer according to the specified arguments
func CreateNewSimpleImporter(transactionTypeMapping map[string]models.TransactionType) *DataTableTransactionDataImporter {
return &DataTableTransactionDataImporter{
transactionTypeMapping: transactionTypeMapping,
}
}
// CreateNewSimpleImporterWithTypeNameMapping returns a new data table transaction data importer according to the specified arguments
func CreateNewSimpleImporterWithTypeNameMapping(transactionTypeMapping map[models.TransactionType]string) *DataTableTransactionDataImporter {
return &DataTableTransactionDataImporter{
transactionTypeMapping: buildTransactionNameTypeMap(transactionTypeMapping),
}
}
func buildTransactionNameTypeMap(transactionTypeMapping map[models.TransactionType]string) map[string]models.TransactionType {
if transactionTypeMapping == nil {
return nil
}
typeNameMap := make(map[string]models.TransactionType, len(transactionTypeMapping))
for transactionType, name := range transactionTypeMapping {
typeNameMap[name] = transactionType
}
return typeNameMap
}