优化交易创建流程，客户管理新增折扣与来源字段及功能

web/services/user.go

@@ -51,12 +51,14 @@ type UpdateBalanceData struct {
 	Amount int `json:"amount"`
 }
 
-func (c *UpdateBalanceData) TradeDetail() (*TradeDetail, error) {
-	amount := decimal.NewFromInt(int64(c.Amount)).Div(decimal.NewFromInt(100))
+func (data *UpdateBalanceData) TradeDetail(user *m.User) (*TradeDetail, error) {
+	amount := decimal.NewFromInt(int64(data.Amount)).Div(decimal.NewFromInt(100))
 	return &TradeDetail{
+		data,
 		m.TradeTypeRecharge,
 		fmt.Sprintf("账户充值 - %s元", amount.StringFixed(2)),
 		amount, amount,
-		nil, c,
+		nil, nil,
+		nil, nil,
 	}, nil
 }