import transaction from beancount file

pkg/converters/beancount/beancount_transaction_data_file_importer.go

@@ -0,0 +1,49 @@
+package beancount
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/converters/converter"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/utils"
+)
+
+var beancountTransactionTypeNameMapping = 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)),
+}
+
+// beancountTransactionDataImporter defines the structure of Beancount importer for transaction data
+type beancountTransactionDataImporter struct {
+}
+
+// Initialize a beancount transaction data importer singleton instance
+var (
+	BeancountTransactionDataImporter = &beancountTransactionDataImporter{}
+)
+
+// ParseImportedData returns the imported data by parsing the Beancount transaction data
+func (c *beancountTransactionDataImporter) 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) {
+	beancountDataReader, err := createNewBeancountDataReader(ctx, data)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	beancountData, err := beancountDataReader.read(ctx)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	transactionDataTable, err := createNewBeancountTransactionDataTable(beancountData)
+
+	if err != nil {
+		return nil, nil, nil, nil, nil, nil, err
+	}
+
+	dataTableImporter := converter.CreateNewImporterWithTypeNameMapping(beancountTransactionTypeNameMapping, "", BEANCOUNT_TRANSACTION_TAG_SEPARATOR)
+
+	return dataTableImporter.ParseImportedData(ctx, user, transactionDataTable, defaultTimezoneOffset, accountMap, expenseCategoryMap, incomeCategoryMap, transferCategoryMap, tagMap)
+}