v0.1

internal/domains/product/services/product_management_service.go

@@ -8,8 +8,11 @@ import (
 
 	"go.uber.org/zap"
 
+	"tyapi-server/internal/application/product/dto/commands"
 	"tyapi-server/internal/domains/product/entities"
 	"tyapi-server/internal/domains/product/repositories"
+	"tyapi-server/internal/domains/product/repositories/queries"
+	"tyapi-server/internal/shared/interfaces"
 )
 
 // ProductManagementService 产品管理领域服务
@@ -69,6 +72,13 @@ func (s *ProductManagementService) GetProductByID(ctx context.Context, productID
 	return &product, nil
 }
 
+func (s *ProductManagementService) GetProductByCode(ctx context.Context, productCode string) (*entities.Product, error) {
+	product, err := s.productRepo.FindByCode(ctx, productCode)
+	if err != nil {
+		return nil, fmt.Errorf("产品不存在: %w", err)
+	}
+	return product, nil
+}
 // GetProductWithCategory 获取产品及其分类信息
 func (s *ProductManagementService) GetProductWithCategory(ctx context.Context, productID string) (*entities.Product, error) {
 	product, err := s.productRepo.GetByID(ctx, productID)
@@ -84,9 +94,107 @@ func (s *ProductManagementService) GetProductWithCategory(ctx context.Context, p
 		}
 	}
 
+	// 如果是组合包，加载子产品信息
+	if product.IsPackage {
+		packageItems, err := s.productRepo.GetPackageItems(ctx, productID)
+		if err == nil {
+			product.PackageItems = packageItems
+		}
+	}
+
 	return &product, nil
 }
 
+// GetPackageItems 获取组合包项目列表
+func (s *ProductManagementService) GetPackageItems(ctx context.Context, packageID string) ([]*entities.ProductPackageItem, error) {
+	packageItems, err := s.productRepo.GetPackageItems(ctx, packageID)
+	if err != nil {
+		s.logger.Error("获取组合包项目失败", zap.Error(err))
+		return nil, fmt.Errorf("获取组合包项目失败: %w", err)
+	}
+	return packageItems, nil
+}
+
+// CreatePackageItem 创建组合包项目
+func (s *ProductManagementService) CreatePackageItem(ctx context.Context, packageItem *entities.ProductPackageItem) error {
+	if err := s.productRepo.CreatePackageItem(ctx, packageItem); err != nil {
+		s.logger.Error("创建组合包项目失败", zap.Error(err))
+		return fmt.Errorf("创建组合包项目失败: %w", err)
+	}
+
+	s.logger.Info("组合包项目创建成功",
+		zap.String("package_id", packageItem.PackageID),
+		zap.String("product_id", packageItem.ProductID),
+	)
+
+	return nil
+}
+
+// GetPackageItemByID 根据ID获取组合包项目
+func (s *ProductManagementService) GetPackageItemByID(ctx context.Context, itemID string) (*entities.ProductPackageItem, error) {
+	packageItem, err := s.productRepo.GetPackageItemByID(ctx, itemID)
+	if err != nil {
+		return nil, fmt.Errorf("组合包项目不存在: %w", err)
+	}
+	return packageItem, nil
+}
+
+// UpdatePackageItem 更新组合包项目
+func (s *ProductManagementService) UpdatePackageItem(ctx context.Context, packageItem *entities.ProductPackageItem) error {
+	if err := s.productRepo.UpdatePackageItem(ctx, packageItem); err != nil {
+		s.logger.Error("更新组合包项目失败", zap.Error(err))
+		return fmt.Errorf("更新组合包项目失败: %w", err)
+	}
+
+	s.logger.Info("组合包项目更新成功",
+		zap.String("item_id", packageItem.ID),
+		zap.String("package_id", packageItem.PackageID),
+	)
+
+	return nil
+}
+
+// DeletePackageItem 删除组合包项目
+func (s *ProductManagementService) DeletePackageItem(ctx context.Context, itemID string) error {
+	if err := s.productRepo.DeletePackageItem(ctx, itemID); err != nil {
+		s.logger.Error("删除组合包项目失败", zap.Error(err))
+		return fmt.Errorf("删除组合包项目失败: %w", err)
+	}
+
+	s.logger.Info("组合包项目删除成功", zap.String("item_id", itemID))
+	return nil
+}
+
+// UpdatePackageItemsBatch 批量更新组合包子产品
+func (s *ProductManagementService) UpdatePackageItemsBatch(ctx context.Context, packageID string, items []commands.PackageItemData) error {
+	// 删除现有的所有子产品
+	if err := s.productRepo.DeletePackageItemsByPackageID(ctx, packageID); err != nil {
+		s.logger.Error("删除现有组合包子产品失败", zap.Error(err))
+		return fmt.Errorf("删除现有组合包子产品失败: %w", err)
+	}
+
+	// 创建新的子产品项目
+	for _, item := range items {
+		packageItem := &entities.ProductPackageItem{
+			PackageID: packageID,
+			ProductID: item.ProductID,
+			SortOrder: item.SortOrder,
+		}
+
+		if err := s.productRepo.CreatePackageItem(ctx, packageItem); err != nil {
+			s.logger.Error("创建组合包子产品失败", zap.Error(err))
+			return fmt.Errorf("创建组合包子产品失败: %w", err)
+		}
+	}
+
+	s.logger.Info("批量更新组合包子产品成功",
+		zap.String("package_id", packageID),
+		zap.Int("item_count", len(items)),
+	)
+
+	return nil
+}
+
 // UpdateProduct 更新产品
 func (s *ProductManagementService) UpdateProduct(ctx context.Context, product *entities.Product) error {
 	// 验证产品信息
@@ -152,7 +260,7 @@ func (s *ProductManagementService) ValidateProduct(product *entities.Product) er
 		return errors.New("产品编号不能为空")
 	}
 
-	if product.Price < 0 {
+	if product.Price.IsNegative() {
 		return errors.New("产品价格不能为负数")
 	}
 
@@ -182,4 +290,48 @@ func (s *ProductManagementService) ValidateProductCode(code string, excludeID st
 	}
 
 	return nil
-} 
+}
+
+// ListProducts 获取产品列表（支持筛选和分页）
+func (s *ProductManagementService) ListProducts(ctx context.Context, filters map[string]interface{}, options interfaces.ListOptions) ([]*entities.Product, int64, error) {
+	// 构建查询条件
+	query := &queries.ListProductsQuery{
+		Page:     options.Page,
+		PageSize: options.PageSize,
+		SortBy:   options.Sort,
+		SortOrder: options.Order,
+	}
+
+	// 应用筛选条件
+	if keyword, ok := filters["keyword"].(string); ok && keyword != "" {
+		query.Keyword = keyword
+	}
+	if categoryID, ok := filters["category_id"].(string); ok && categoryID != "" {
+		query.CategoryID = categoryID
+	}
+	if isEnabled, ok := filters["is_enabled"].(bool); ok {
+		query.IsEnabled = &isEnabled
+	}
+	if isVisible, ok := filters["is_visible"].(bool); ok {
+		query.IsVisible = &isVisible
+	}
+	if isPackage, ok := filters["is_package"].(bool); ok {
+		query.IsPackage = &isPackage
+	}
+
+	// 调用仓储层获取产品列表
+	products, total, err := s.productRepo.ListProducts(ctx, query)
+	if err != nil {
+		s.logger.Error("获取产品列表失败", zap.Error(err))
+		return nil, 0, fmt.Errorf("获取产品列表失败: %w", err)
+	}
+
+	s.logger.Info("产品列表查询成功",
+		zap.Int("count", len(products)),
+		zap.Int64("total", total),
+		zap.Int("page", options.Page),
+		zap.Int("page_size", options.PageSize),
+	)
+
+	return products, total, nil
+}