优化支付流程，扩展产品价格返回字段

web/services/channel_gost.go

@@ -53,6 +53,7 @@ func (s *channelGostProvider) prepareCreate(ctx *channelCreateContext) (*channel
 			Recorders: []g.GostRecorderConfig{
 				{Name: "record-http-otel", Record: "recorder.service.handler"},
 			},
+			Limiter: "limiter-8m",
 		}
 
 		if ctx.AuthWhitelist {

web/services/product.go

@@ -6,6 +6,7 @@ import (
 	q "platform/web/queries"
 	"time"
 
+	"github.com/shopspring/decimal"
 	"gorm.io/gen/field"
 )
 
@@ -20,7 +21,7 @@ func (s *productService) AllProducts() ([]*m.Product, error) {
 		Find()
 }
 
-func (s *productService) AllProductSaleInfos() ([]*m.Product, error) {
+func (s *productService) AllProductSaleInfos() ([]any, error) {
 	products, err := q.Product.
 		Select(
 			q.Product.ID,
@@ -43,7 +44,17 @@ func (s *productService) AllProductSaleInfos() ([]*m.Product, error) {
 		pids[i] = p.ID
 	}
 
-	skus, err := q.ProductSku.
+	type SkuInfo struct {
+		ID        int32           `json:"id"`
+		ProductID int32           `json:"product_id"`
+		Name      string          `json:"name"`
+		Code      string          `json:"code"`
+		Price     decimal.Decimal `json:"price"`
+		CountMin  decimal.Decimal `json:"count_min"`
+		Discount  float64         `json:"discount"`
+	}
+	var skus []*SkuInfo
+	err = q.ProductSku.
 		Select(
 			q.ProductSku.ID,
 			q.ProductSku.ProductID,
@@ -51,29 +62,47 @@ func (s *productService) AllProductSaleInfos() ([]*m.Product, error) {
 			q.ProductSku.Code,
 			q.ProductSku.Price,
 			q.ProductSku.CountMin,
+			q.ProductDiscount.Discount,
 		).
 		Where(
 			q.ProductSku.ProductID.In(pids...),
 			q.ProductSku.Status.Eq(int32(m.SkuStatusEnabled)),
 		).
+		LeftJoin(q.ProductDiscount, q.ProductDiscount.ID.EqCol(q.ProductSku.DiscountId)).
 		Order(q.ProductSku.Sort).
-		Find()
+		Scan(&skus)
 	if err != nil {
 		return nil, err
 	}
 
-	pmap := make(map[int32]*m.Product, len(products))
+	type ProductInfo struct {
+		m.Product
+		Skus []*SkuInfo `json:"skus,omitempty"`
+	}
+	pmap := make(map[int32]*ProductInfo, len(products))
 	for _, p := range products {
-		pmap[p.ID] = p
-		p.Skus = make([]*m.ProductSku, 0)
+		pmap[p.ID] = &ProductInfo{Product: *p, Skus: make([]*SkuInfo, 0)}
 	}
 	for _, s := range skus {
 		if p, ok := pmap[s.ProductID]; ok {
-			p.Skus = append(p.Skus, s)
+			p.Skus = append(p.Skus, &SkuInfo{
+				ID:        s.ID,
+				ProductID: s.ProductID,
+				Name:      s.Name,
+				Code:      s.Code,
+				Price:     s.Price,
+				CountMin:  s.CountMin,
+				Discount:  s.Discount,
+			})
 		}
 	}
 
-	return products, nil
+	plist := make([]any, 0, len(pmap))
+	for _, p := range pmap {
+		plist = append(plist, p)
+	}
+
+	return plist, nil
 }
 
 // 新增产品

web/services/trade.go

@@ -204,12 +204,7 @@ func (s *tradeService) Create(user *m.User, tradeData *CreateTradeData, productD
 	// 缓存产品数据
 	w := bytes.Buffer{}
 	gob.NewEncoder(&w).Encode(detail)
-	err = g.Redis.Set(
-		context.Background(),
-		tradeProductKey(tradeNo),
-		w.Bytes(),
-		expireIn,
-	).Err()
+	err = g.Redis.Set(context.Background(), tradeProductKey(tradeNo), w.Bytes(), 0).Err()
 	if err != nil {
 		return nil, core.NewServErr("保存购买信息失败", err)
 	}
@@ -271,7 +266,8 @@ func (s *tradeService) OnCompleteTrade(user *m.User, interNo string, outerNo str
 	}
 
 	// 恢复购买信息；如果反序列化失败，检查开头 init 函数中是否注册了对应的 struct 类型
-	detailBytes, err := g.Redis.Get(context.Background(), tradeProductKey(interNo)).Bytes()
+	tradeKey := tradeProductKey(interNo)
+	detailBytes, err := g.Redis.Get(context.Background(), tradeKey).Bytes()
 	if err != nil {
 		return core.NewServErr("恢复购买信息失败", err)
 	}
@@ -344,6 +340,12 @@ func (s *tradeService) OnCompleteTrade(user *m.User, interNo string, outerNo str
 			}
 		}
 
+		// 删除缓存
+		err = g.Redis.Del(context.Background(), tradeKey).Err()
+		if err != nil {
+			return core.NewServErr("删除缓存失败", err)
+		}
+
 		return nil
 	})
 	if err != nil {
@@ -353,6 +355,23 @@ func (s *tradeService) OnCompleteTrade(user *m.User, interNo string, outerNo str
 	return nil
 }
 
+// 转换交易
+func (s *tradeService) ConvertTradeToBalance(admin *m.Admin, ref *TradeRef) error {
+	trade, err := q.Trade.Where(q.Trade.InnerNo.Eq(ref.TradeNo)).First()
+	if err != nil {
+		return err
+	}
+
+	user, err := q.User.Where(q.User.ID.Eq(trade.UserID)).First()
+	if err != nil {
+		return err
+	}
+
+	return q.Q.Transaction(func(q *q.Query) error {
+		return User.UpdateBalance(q, user, trade.Payment, "管理员订单补余额", &admin.ID, nil)
+	})
+}
+
 // 取消交易
 func (s *tradeService) CancelTrade(ref *TradeRef) error {
 	now := time.Now()
@@ -394,7 +413,7 @@ func (s *tradeService) CancelTrade(ref *TradeRef) error {
 		})
 		if err != nil {
 			slog.Debug(fmt.Sprintf("订单无需关闭: %s", err.Error()))
-			return nil
+			return ErrTradeStatusIgnored
 		}
 
 	default:
@@ -575,6 +594,12 @@ func (s *tradeService) CheckTrade(ref *TradeRef) (*CheckTradeResult, error) {
 	return &result, nil
 }
 
+// 更新备注
+func (s *tradeService) UpdateRemark(tradeNo string, remark string) error {
+	_, err := q.Trade.Where(q.Trade.InnerNo.Eq(tradeNo)).UpdateColumn(q.Trade.Remark, remark)
+	return err
+}
+
 func tradeProductKey(no string) string {
 	return fmt.Sprintf("trade:%s:product", no)
 }
@@ -639,4 +664,5 @@ func (e TradeErr) Error() string {
 
 var (
 	ErrTransactionNotSupported = core.NewBizErr("不支持的支付方式")
+	ErrTradeStatusIgnored      = core.NewBizErr("交易状态已忽略")
 )