f

2026-04-21 22:36:48 +08:00
commit 488c695fdf
748 changed files with 266838 additions and 0 deletions
--- a/internal/domains/product/services/product_management_service.go
+++ b/internal/domains/product/services/product_management_service.go
@@ -0,0 +1,437 @@
+package services
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"strings"
+
+	"go.uber.org/zap"
+
+	"hyapi-server/internal/application/product/dto/commands"
+	"hyapi-server/internal/domains/product/entities"
+	"hyapi-server/internal/domains/product/repositories"
+	"hyapi-server/internal/domains/product/repositories/queries"
+	"hyapi-server/internal/shared/interfaces"
+)
+
+// ProductManagementService 产品管理领域服务
+// 负责产品的基本管理操作，包括创建、查询、更新等
+type ProductManagementService struct {
+	productRepo     repositories.ProductRepository
+	categoryRepo    repositories.ProductCategoryRepository
+	subCategoryRepo repositories.ProductSubCategoryRepository
+	logger          *zap.Logger
+}
+
+// NewProductManagementService 创建产品管理领域服务
+func NewProductManagementService(
+	productRepo repositories.ProductRepository,
+	categoryRepo repositories.ProductCategoryRepository,
+	subCategoryRepo repositories.ProductSubCategoryRepository,
+	logger *zap.Logger,
+) *ProductManagementService {
+	return &ProductManagementService{
+		productRepo:     productRepo,
+		categoryRepo:    categoryRepo,
+		subCategoryRepo: subCategoryRepo,
+		logger:          logger,
+	}
+}
+
+// CreateProduct 创建产品
+func (s *ProductManagementService) CreateProduct(ctx context.Context, product *entities.Product) (*entities.Product, error) {
+	// 验证产品信息
+	if err := s.ValidateProduct(product); err != nil {
+		return nil, err
+	}
+
+	// 验证产品编号唯一性
+	if err := s.ValidateProductCode(product.Code, ""); err != nil {
+		return nil, err
+	}
+
+	// 创建产品
+	createdProduct, err := s.productRepo.Create(ctx, *product)
+	if err != nil {
+		s.logger.Error("创建产品失败", zap.Error(err))
+		return nil, fmt.Errorf("创建产品失败: %w", err)
+	}
+
+	s.logger.Info("产品创建成功",
+		zap.String("product_id", createdProduct.ID),
+		zap.String("product_name", createdProduct.Name),
+	)
+
+	return &createdProduct, nil
+}
+
+// GetProductByID 根据ID获取产品
+func (s *ProductManagementService) GetProductByID(ctx context.Context, productID string) (*entities.Product, error) {
+	product, err := s.productRepo.GetByID(ctx, productID)
+	if err != nil {
+		return nil, fmt.Errorf("产品不存在: %w", err)
+	}
+	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)
+	if err != nil {
+		return nil, fmt.Errorf("产品不存在: %w", err)
+	}
+
+	// 加载分类信息
+	if product.CategoryID != "" {
+		category, err := s.categoryRepo.GetByID(ctx, product.CategoryID)
+		if err == nil {
+			product.Category = &category
+		}
+	}
+
+	// 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
+}
+
+// GetProductByOldIDWithCategory 根据旧ID获取产品及其分类信息
+func (s *ProductManagementService) GetProductByOldIDWithCategory(ctx context.Context, oldID string) (*entities.Product, error) {
+	product, err := s.productRepo.FindByOldID(ctx, oldID)
+	if err != nil {
+		return nil, fmt.Errorf("产品不存在: %w", err)
+	}
+
+	// 加载分类信息
+	if product.CategoryID != "" {
+		category, err := s.categoryRepo.GetByID(ctx, product.CategoryID)
+		if err == nil {
+			product.Category = &category
+		}
+	}
+
+	// 如果是组合包，加载子产品信息
+	if product.IsPackage {
+		packageItems, err := s.productRepo.GetPackageItems(ctx, product.ID)
+		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
+	if err := s.ValidateProduct(product); err != nil {
+		return err
+	}
+
+	// 验证产品编号唯一性（排除自己）
+	if err := s.ValidateProductCode(product.Code, product.ID); err != nil {
+		return err
+	}
+
+	if err := s.productRepo.Update(ctx, *product); err != nil {
+		s.logger.Error("更新产品失败", zap.Error(err))
+		return fmt.Errorf("更新产品失败: %w", err)
+	}
+
+	s.logger.Info("产品更新成功",
+		zap.String("product_id", product.ID),
+		zap.String("product_name", product.Name),
+	)
+
+	return nil
+}
+
+// DeleteProduct 删除产品
+func (s *ProductManagementService) DeleteProduct(ctx context.Context, productID string) error {
+	if err := s.productRepo.Delete(ctx, productID); err != nil {
+		s.logger.Error("删除产品失败", zap.Error(err))
+		return fmt.Errorf("删除产品失败: %w", err)
+	}
+
+	s.logger.Info("产品删除成功", zap.String("product_id", productID))
+	return nil
+}
+
+// GetVisibleProducts 获取可见产品列表
+func (s *ProductManagementService) GetVisibleProducts(ctx context.Context) ([]*entities.Product, error) {
+	return s.productRepo.FindVisible(ctx)
+}
+
+// GetEnabledProducts 获取启用产品列表
+func (s *ProductManagementService) GetEnabledProducts(ctx context.Context) ([]*entities.Product, error) {
+	return s.productRepo.FindEnabled(ctx)
+}
+
+// GetProductsByCategory 根据分类获取产品
+func (s *ProductManagementService) GetProductsByCategory(ctx context.Context, categoryID string) ([]*entities.Product, error) {
+	return s.productRepo.FindByCategoryID(ctx, categoryID)
+}
+
+// ValidateProduct 验证产品
+func (s *ProductManagementService) ValidateProduct(product *entities.Product) error {
+	if product == nil {
+		return errors.New("产品不能为空")
+	}
+
+	if strings.TrimSpace(product.Name) == "" {
+		return errors.New("产品名称不能为空")
+	}
+
+	if strings.TrimSpace(product.Code) == "" {
+		return errors.New("产品编号不能为空")
+	}
+
+	if product.Price.IsNegative() {
+		return errors.New("产品价格不能为负数")
+	}
+
+	if product.CostPrice.IsNegative() {
+		return errors.New("成本价不能为负数")
+	}
+
+	// 验证分类是否存在
+	if product.CategoryID != "" {
+		category, err := s.categoryRepo.GetByID(context.Background(), product.CategoryID)
+		if err != nil {
+			return fmt.Errorf("产品分类不存在: %w", err)
+		}
+		if !category.IsValid() {
+			return errors.New("产品分类已禁用或删除")
+		}
+	}
+
+	// 验证二级分类是否存在（如果设置了二级分类）
+	if product.SubCategoryID != nil && *product.SubCategoryID != "" {
+		subCategory, err := s.subCategoryRepo.GetByID(context.Background(), *product.SubCategoryID)
+		if err != nil {
+			return fmt.Errorf("产品二级分类不存在: %w", err)
+		}
+		if !subCategory.IsValid() {
+			return errors.New("产品二级分类已禁用或删除")
+		}
+		// 验证二级分类是否属于指定的一级分类
+		if subCategory.CategoryID != product.CategoryID {
+			return errors.New("二级分类不属于指定的一级分类")
+		}
+	}
+
+	return nil
+}
+
+// ValidateProductCode 验证产品编号唯一性
+func (s *ProductManagementService) ValidateProductCode(code string, excludeID string) error {
+	if strings.TrimSpace(code) == "" {
+		return errors.New("产品编号不能为空")
+	}
+
+	existingProduct, err := s.productRepo.FindByCode(context.Background(), code)
+	if err == nil && existingProduct != nil && existingProduct.ID != excludeID {
+		return errors.New("产品编号已存在")
+	}
+
+	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
+}
+
+// ListProductsWithSubscriptionStatus 获取产品列表（包含订阅状态）
+func (s *ProductManagementService) ListProductsWithSubscriptionStatus(ctx context.Context, filters map[string]interface{}, options interfaces.ListOptions) ([]*entities.Product, map[string]bool, 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
+	}
+	if userID, ok := filters["user_id"].(string); ok && userID != "" {
+		query.UserID = userID
+	}
+	if isSubscribed, ok := filters["is_subscribed"].(bool); ok {
+		query.IsSubscribed = &isSubscribed
+	}
+
+	// 调用仓储层获取产品列表（包含订阅状态）
+	products, subscriptionStatusMap, total, err := s.productRepo.ListProductsWithSubscriptionStatus(ctx, query)
+	if err != nil {
+		s.logger.Error("获取产品列表失败", zap.Error(err))
+		return nil, 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),
+		zap.String("user_id", query.UserID),
+	)
+
+	return products, subscriptionStatusMap, total, nil
+}