最低价格约束

2026-04-07 13:51:19 +08:00
parent c684523cb8
commit fccb83c0e5
5 changed files with 33 additions and 3 deletions
--- a/web/services/resource.go
+++ b/web/services/resource.go
@@ -196,6 +196,14 @@ func (s *resourceService) CalcPrice(skuCode string, count int32, user *m.User, c
 		couponApplied = discounted.Sub(coupon.Amount)
 	}

+	// 约束到最低价格
+	if discounted.Cmp(sku.PriceMin) < 0 {
+		discounted = sku.PriceMin.Copy()
+	}
+	if couponApplied.Cmp(sku.PriceMin) < 0 {
+		couponApplied = sku.PriceMin.Copy()
+	}
+
 	return sku, discount, coupon, discounted, couponApplied, nil
 }