allow import file without sub category name

pkg/converters/data_table_transaction_data_converter.go

@@ -288,12 +288,6 @@ func (c *DataTableTransactionDataImporter) parseImportedData(ctx core.Context, u
 			}
 
 			subCategoryName = dataRow.GetData(subCategoryColumnIdx)
-
-			if subCategoryName == "" {
-				log.Errorf(ctx, "[data_table_transaction_data_converter.parseImportedData] sub category type is empty in data row \"index:%d\" for user \"uid:%d\"", dataRowIndex, user.Uid)
-				return nil, nil, nil, nil, errs.ErrSubCategoryNameCannotBeBlank
-			}
-
 			subCategory, exists := categoryMap[subCategoryName]
 
 			if !exists {

pkg/converters/ezbookkeeping_transaction_data_plain_text_converter_test.go

@@ -246,20 +246,6 @@ func TestEzBookKeepingPlainFileConverterParseImportedData_ParseInvalidTimezone(t
 	assert.NotNil(t, err)
 }
 
-func TestEzBookKeepingPlainFileConverterParseImportedData_ParseInvalidSubCategoryName(t *testing.T) {
-	converter := EzBookKeepingTransactionDataCSVFileConverter
-	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 Account,123.45,,"), 0, nil, nil, nil)
-	assert.NotNil(t, err)
-}
-
 func TestEzBookKeepingPlainFileConverterParseImportedData_ParseInvalidAccountName(t *testing.T) {
 	converter := EzBookKeepingTransactionDataCSVFileConverter
 	context := core.NewNullContext()