优化后台创建订单的代理套餐下架提示

internal/service/order/service.go

@@ -133,12 +133,15 @@ func (s *Service) CreateAdminOrder(ctx context.Context, req *dto.CreateAdminOrde
 	var orderType string
 	var iotCardID *uint
 	var deviceID *uint
+	var resourceShopID *uint
 	if resolvedCard != nil {
 		orderType = model.OrderTypeSingleCard
 		iotCardID = &resolvedCard.ID
+		resourceShopID = resolvedCard.ShopID
 	} else {
 		orderType = model.OrderTypeDevice
 		deviceID = &resolvedDevice.ID
+		resourceShopID = resolvedDevice.ShopID
 	}
 
 	var validationResult *purchase_validation.PurchaseValidationResult
@@ -159,7 +162,7 @@ func (s *Service) CreateAdminOrder(ctx context.Context, req *dto.CreateAdminOrde
 	}
 
 	if err != nil {
-		return nil, err
+		return nil, rewriteAdminAgentPackageOffShelfError(err, resourceShopID, req.PaymentMethod != model.PaymentMethodOffline)
 	}
 
 	if err := validatePackageTypeMixFromPackages(validationResult.Packages); err != nil {
@@ -189,13 +192,10 @@ func (s *Service) CreateAdminOrder(ctx context.Context, req *dto.CreateAdminOrde
 	userID := middleware.GetUserIDFromContext(ctx)
 
 	// 提取资源所属店铺ID
-	var resourceShopID *uint
 	var seriesID *uint
 	if validationResult.Card != nil {
-		resourceShopID = validationResult.Card.ShopID
 		seriesID = validationResult.Card.SeriesID
 	} else if validationResult.Device != nil {
-		resourceShopID = validationResult.Device.ShopID
 		seriesID = validationResult.Device.SeriesID
 	}
 
@@ -207,7 +207,7 @@ func (s *Service) CreateAdminOrder(ctx context.Context, req *dto.CreateAdminOrde
 	}
 	itemUnitPriceMap, retailTotalAmount, err := s.buildRetailPriceMap(ctx, validationResult.Packages, sellerShopIDValue)
 	if err != nil {
-		return nil, err
+		return nil, rewriteAdminAgentPackageOffShelfError(err, resourceShopID, sellerShopIDValue > 0)
 	}
 
 	// 初始化订单字段
@@ -462,6 +462,23 @@ func (s *Service) CreateAdminOrder(ctx context.Context, req *dto.CreateAdminOrde
 	}
 }
 
+func rewriteAdminAgentPackageOffShelfError(err error, resourceShopID *uint, shouldRewrite bool) error {
+	if err == nil || !shouldRewrite || resourceShopID == nil || *resourceShopID == 0 {
+		return err
+	}
+
+	appErr, ok := err.(*errors.AppError)
+	if !ok {
+		return err
+	}
+
+	if appErr.Code == errors.CodeInvalidParam && appErr.Message == "套餐已下架" {
+		return errors.New(errors.CodeInvalidParam, "该代理已经下架该套餐,让代理上架该套餐后购买")
+	}
+
+	return err
+}
+
 // CreateH5Order H5 端订单创建（支持 wallet/wechat/alipay，支持待支付状态）
 // 保留原 Create() 方法的完整逻辑，H5 端行为不变
 // POST /api/h5/orders