优化

internal/service/export.go

@@ -87,13 +87,19 @@ func (s *ExportService) TemplatesFilter(ctx context.Context, page, size int, nam
 	return s.Templates(ctx, page, size, &biz.ExportTemplate{Name: name, TableName: tableName, TemplateID: templateID, StartCreatedAt: start, EndCreatedAt: end})
 }
 func exportDTO(v *biz.ExportTemplate) *dto.ExportTemplateResponse {
-	conditions := make([]dto.ExportConditionResponse, 0, len(v.Conditions))
-	for _, x := range v.Conditions {
-		conditions = append(conditions, dto.ExportConditionResponse{From: x.From, Column: x.Column, Operator: x.Operator})
+	var conditions []dto.ExportConditionResponse
+	if v.Conditions != nil {
+		conditions = make([]dto.ExportConditionResponse, 0, len(v.Conditions))
+		for _, x := range v.Conditions {
+			conditions = append(conditions, dto.ExportConditionResponse{From: x.From, Column: x.Column, Operator: x.Operator})
+		}
 	}
-	joins := make([]dto.ExportJoinResponse, 0, len(v.Joins))
-	for _, x := range v.Joins {
-		joins = append(joins, dto.ExportJoinResponse{Join: x.Join, Table: x.Table, On: x.On})
+	var joins []dto.ExportJoinResponse
+	if v.Joins != nil {
+		joins = make([]dto.ExportJoinResponse, 0, len(v.Joins))
+		for _, x := range v.Joins {
+			joins = append(joins, dto.ExportJoinResponse{Join: x.Join, Table: x.Table, On: x.On})
+		}
 	}
 	return &dto.ExportTemplateResponse{ID: v.ID, CreatedAt: v.CreatedAt, UpdatedAt: v.UpdatedAt, DeletedAt: nil, DBName: v.DBName, Name: v.Name, TableName: v.TableName, TemplateID: v.TemplateID, TemplateInfo: v.TemplateInfo, SQL: v.SQL, ImportSQL: v.ImportSQL, Limit: v.Limit, Order: v.Order, Conditions: conditions, Joins: joins}
 }