feat: sale manager

pkg/modelbase/base.go

@@ -128,6 +128,11 @@ func (m Base) session() *gorm.DB {
 	return o
 }
 
+// Session returns the DB session for this model (honors WithTX).
+func (m Base) Session() *gorm.DB {
+	return m.session()
+}
+
 // Create inserts a row.
 func (m Base) Create(data interface{}) error {
 	return m.session().Create(data).Error
@@ -139,6 +144,13 @@ func (m Base) Edit(w Params, data interface{}) (int64, error) {
 	update := make(map[string]interface{})
 	jsonBytes, _ := jsoniter.Marshal(data)
 	_ = jsoniter.Unmarshal(jsonBytes, &update)
+	for k, v := range update {
+		if nested, ok := v.(map[string]interface{}); ok {
+			if b, err := jsoniter.Marshal(nested); err == nil {
+				update[k] = string(b)
+			}
+		}
+	}
 	ret := o.Updates(update)
 	return ret.RowsAffected, ignoreNotFound(ret.Error)
 }