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