feat: 更新服务方法，显式接受用户ID参数，简化上下文调用

backend/app/services/coupon.go

@@ -7,7 +7,6 @@ import (
 	"quyun/v2/app/errorx"
 	coupon_dto "quyun/v2/app/http/v1/dto"
 	"quyun/v2/database/models"
-	"quyun/v2/pkg/consts"
 
 	"github.com/spf13/cast"
 )
@@ -15,7 +14,11 @@ import (
 // @provider
 type coupon struct{}
 
-func (s *coupon) ListUserCoupons(ctx context.Context, userID int64, status string) ([]coupon_dto.UserCouponItem, error) {
+func (s *coupon) ListUserCoupons(
+	ctx context.Context,
+	userID int64,
+	status string,
+) ([]coupon_dto.UserCouponItem, error) {
 	if userID == 0 {
 		return nil, errorx.ErrUnauthorized
 	}
@@ -111,11 +114,13 @@ func (s *coupon) Validate(ctx context.Context, userID, userCouponID, amount int6
 func (s *coupon) MarkUsed(ctx context.Context, tx *models.Query, userCouponID, orderID int64) error {
 	now := time.Now()
 	// Update User Coupon
-	info, err := tx.UserCoupon.WithContext(ctx).Where(tx.UserCoupon.ID.Eq(userCouponID), tx.UserCoupon.Status.Eq("unused")).Updates(&models.UserCoupon{
-		Status:  "used",
-		OrderID: orderID,
-		UsedAt:  now,
-	})
+	info, err := tx.UserCoupon.WithContext(ctx).
+		Where(tx.UserCoupon.ID.Eq(userCouponID), tx.UserCoupon.Status.Eq("unused")).
+		Updates(&models.UserCoupon{
+			Status:  "used",
+			OrderID: orderID,
+			UsedAt:  now,
+		})
 	if err != nil {
 		return err
 	}