限制套餐具体到 档位

internal/logic/public/order/preCreateOrderLogic.go

@@ -109,8 +109,14 @@ func (l *PreCreateOrderLogic) PreCreateOrder(req *types.PurchaseOrderRequest) (r
 		}
 	}
 
-	// check new user only restriction
-	if !isSingleModeRenewal && sub.NewUserOnly != nil && *sub.NewUserOnly {
+	// check new user only restriction (tier-level only)
+	var newUserOnly bool
+	if !isSingleModeRenewal && sub.Discount != "" {
+		var dis []types.SubscribeDiscount
+		_ = json.Unmarshal([]byte(sub.Discount), &dis)
+		newUserOnly = isNewUserOnlyForQuantity(dis, req.Quantity)
+	}
+	if newUserOnly {
 		if time.Since(u.CreatedAt) > 24*time.Hour {
 			return nil, errors.Wrapf(xerr.NewErrCode(xerr.SubscribeNewUserOnly), "not a new user")
 		}