453 lines
14 KiB
Go
453 lines
14 KiB
Go
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package product
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import (
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"context"
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"errors"
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"fmt"
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"tyapi-server/internal/application/product/dto/commands"
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appQueries "tyapi-server/internal/application/product/dto/queries"
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"tyapi-server/internal/application/product/dto/responses"
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"tyapi-server/internal/domains/product/entities"
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"tyapi-server/internal/domains/product/repositories"
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repoQueries "tyapi-server/internal/domains/product/repositories/queries"
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"tyapi-server/internal/domains/product/services"
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"go.uber.org/zap"
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)
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// ProductApplicationServiceImpl 产品应用服务实现
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type ProductApplicationServiceImpl struct {
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productRepo repositories.ProductRepository
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categoryRepo repositories.ProductCategoryRepository
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subscriptionRepo repositories.SubscriptionRepository
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productService *services.ProductService
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logger *zap.Logger
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}
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// NewProductApplicationService 创建产品应用服务
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func NewProductApplicationService(
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productRepo repositories.ProductRepository,
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categoryRepo repositories.ProductCategoryRepository,
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subscriptionRepo repositories.SubscriptionRepository,
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productService *services.ProductService,
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logger *zap.Logger,
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) ProductApplicationService {
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return &ProductApplicationServiceImpl{
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productRepo: productRepo,
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categoryRepo: categoryRepo,
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subscriptionRepo: subscriptionRepo,
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productService: productService,
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logger: logger,
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}
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}
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// CreateProduct 创建产品
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func (s *ProductApplicationServiceImpl) CreateProduct(ctx context.Context, cmd *commands.CreateProductCommand) error {
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// 1. 参数验证
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if err := s.validateCreateProduct(cmd); err != nil {
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return err
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}
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// 2. 验证产品编号唯一性
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if err := s.productService.ValidateProductCode(cmd.Code, ""); err != nil {
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return err
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}
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// 3. 创建产品实体
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product := &entities.Product{
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Name: cmd.Name,
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Code: cmd.Code,
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Description: cmd.Description,
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Content: cmd.Content,
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CategoryID: cmd.CategoryID,
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Price: cmd.Price,
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IsEnabled: cmd.IsEnabled,
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IsVisible: cmd.IsVisible,
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IsPackage: cmd.IsPackage,
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}
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// 4. 设置SEO信息
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product.UpdateSEO(cmd.SEOTitle, cmd.SEODescription, cmd.SEOKeywords)
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// 5. 调用领域服务验证
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if err := s.productService.ValidateProduct(product); err != nil {
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return err
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}
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// 6. 保存到仓储
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if _, err := s.productRepo.Create(ctx, *product); err != nil {
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s.logger.Error("创建产品失败", zap.Error(err))
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return fmt.Errorf("创建产品失败: %w", err)
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}
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s.logger.Info("创建产品成功", zap.String("id", product.ID), zap.String("name", product.Name))
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return nil
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}
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// UpdateProduct 更新产品
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func (s *ProductApplicationServiceImpl) UpdateProduct(ctx context.Context, cmd *commands.UpdateProductCommand) error {
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// 1. 获取现有产品
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existingProduct, err := s.productRepo.GetByID(ctx, cmd.ID)
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if err != nil {
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return fmt.Errorf("产品不存在: %w", err)
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}
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// 2. 参数验证
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if err := s.validateUpdateProduct(cmd); err != nil {
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return err
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}
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// 3. 验证产品编号唯一性（如果修改了编号）
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if cmd.Code != "" && cmd.Code != existingProduct.Code {
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if err := s.productService.ValidateProductCode(cmd.Code, cmd.ID); err != nil {
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return err
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}
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existingProduct.Code = cmd.Code
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}
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// 4. 更新字段
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if cmd.Name != "" {
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existingProduct.Name = cmd.Name
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}
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if cmd.Description != "" {
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existingProduct.Description = cmd.Description
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}
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if cmd.Content != "" {
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existingProduct.Content = cmd.Content
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}
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if cmd.CategoryID != "" {
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existingProduct.CategoryID = cmd.CategoryID
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}
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if cmd.Price >= 0 {
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existingProduct.Price = cmd.Price
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}
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if cmd.IsEnabled != nil {
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existingProduct.IsEnabled = *cmd.IsEnabled
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}
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if cmd.IsVisible != nil {
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existingProduct.IsVisible = *cmd.IsVisible
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}
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if cmd.IsPackage != nil {
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existingProduct.IsPackage = *cmd.IsPackage
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}
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// 5. 更新SEO信息
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if cmd.SEOTitle != "" || cmd.SEODescription != "" || cmd.SEOKeywords != "" {
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existingProduct.UpdateSEO(cmd.SEOTitle, cmd.SEODescription, cmd.SEOKeywords)
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}
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// 6. 调用领域服务验证
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if err := s.productService.ValidateProduct(&existingProduct); err != nil {
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return err
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}
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// 7. 保存到仓储
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if err := s.productRepo.Update(ctx, existingProduct); err != nil {
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s.logger.Error("更新产品失败", zap.Error(err))
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return fmt.Errorf("更新产品失败: %w", err)
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}
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s.logger.Info("更新产品成功", zap.String("id", existingProduct.ID))
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return nil
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}
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// DeleteProduct 删除产品
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func (s *ProductApplicationServiceImpl) DeleteProduct(ctx context.Context, cmd *commands.DeleteProductCommand) error {
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// 1. 检查产品是否存在
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product, err := s.productRepo.GetByID(ctx, cmd.ID)
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if err != nil {
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return fmt.Errorf("产品不存在: %w", err)
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}
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// 2. 检查是否有活跃订阅
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subscriptions, err := s.subscriptionRepo.FindByProductID(ctx, cmd.ID)
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if err == nil && len(subscriptions) > 0 {
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return errors.New("产品存在订阅，无法删除")
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}
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// 3. 删除产品
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if err := s.productRepo.Delete(ctx, cmd.ID); err != nil {
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s.logger.Error("删除产品失败", zap.Error(err))
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return fmt.Errorf("删除产品失败: %w", err)
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}
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s.logger.Info("删除产品成功", zap.String("id", cmd.ID), zap.String("name", product.Name))
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return nil
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}
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// ListProducts 获取产品列表
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func (s *ProductApplicationServiceImpl) ListProducts(ctx context.Context, query *appQueries.ListProductsQuery) (*responses.ProductListResponse, error) {
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// 构建仓储查询
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repoQuery := &repoQueries.ListProductsQuery{
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Keyword: query.Keyword,
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CategoryID: query.CategoryID,
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MinPrice: query.MinPrice,
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MaxPrice: query.MaxPrice,
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IsEnabled: query.IsEnabled,
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IsVisible: query.IsVisible,
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IsPackage: query.IsPackage,
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Page: query.Page,
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PageSize: query.PageSize,
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SortBy: query.SortBy,
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SortOrder: query.SortOrder,
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}
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// 调用仓储
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products, total, err := s.productRepo.ListProducts(ctx, repoQuery)
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if err != nil {
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s.logger.Error("获取产品列表失败", zap.Error(err))
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return nil, fmt.Errorf("获取产品列表失败: %w", err)
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}
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// 转换为响应对象
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items := make([]responses.ProductInfoResponse, len(products))
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for i := range products {
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items[i] = *s.convertToProductInfoResponse(products[i])
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}
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return &responses.ProductListResponse{
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Total: total,
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Page: query.Page,
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Size: query.PageSize,
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Items: items,
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}, nil
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}
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// GetProductsByIDs 根据ID列表获取产品
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func (s *ProductApplicationServiceImpl) GetProductsByIDs(ctx context.Context, query *appQueries.GetProductsByIDsQuery) ([]*responses.ProductInfoResponse, error) {
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products, err := s.productRepo.GetByIDs(ctx, query.IDs)
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if err != nil {
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s.logger.Error("获取产品列表失败", zap.Error(err))
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return nil, fmt.Errorf("获取产品列表失败: %w", err)
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}
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// 转换为响应对象
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items := make([]*responses.ProductInfoResponse, len(products))
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for i := range products {
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items[i] = s.convertToProductInfoResponse(&products[i])
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}
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return items, nil
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}
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// GetSubscribableProducts 获取可订阅的产品
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func (s *ProductApplicationServiceImpl) GetSubscribableProducts(ctx context.Context, query *appQueries.GetSubscribableProductsQuery) ([]*responses.ProductInfoResponse, error) {
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products, err := s.productRepo.FindSubscribableProducts(ctx, query.UserID)
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if err != nil {
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s.logger.Error("获取可订阅产品失败", zap.Error(err))
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return nil, fmt.Errorf("获取可订阅产品失败: %w", err)
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}
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// 转换为响应对象
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items := make([]*responses.ProductInfoResponse, len(products))
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for i := range products {
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items[i] = s.convertToProductInfoResponse(products[i])
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}
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return items, nil
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}
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// GetProductByID 根据ID获取产品
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func (s *ProductApplicationServiceImpl) GetProductByID(ctx context.Context, query *appQueries.GetProductQuery) (*responses.ProductInfoResponse, error) {
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var product *entities.Product
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var err error
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if query.ID != "" {
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p, err := s.productRepo.GetByID(ctx, query.ID)
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if err != nil {
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return nil, fmt.Errorf("产品不存在: %w", err)
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}
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product = &p
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} else if query.Code != "" {
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product, err = s.productRepo.FindByCode(ctx, query.Code)
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if err != nil {
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return nil, fmt.Errorf("产品不存在: %w", err)
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}
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} else {
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return nil, errors.New("产品ID或编号不能为空")
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}
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// 转换为响应对象
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response := s.convertToProductInfoResponse(product)
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// 加载分类信息
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if product.CategoryID != "" {
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category, err := s.categoryRepo.GetByID(ctx, product.CategoryID)
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if err == nil {
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response.Category = s.convertToCategoryInfoResponse(&category)
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}
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}
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return response, nil
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}
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// EnableProduct 启用产品
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func (s *ProductApplicationServiceImpl) EnableProduct(ctx context.Context, cmd *commands.EnableProductCommand) error {
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product, err := s.productRepo.GetByID(ctx, cmd.ID)
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if err != nil {
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return fmt.Errorf("产品不存在: %w", err)
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}
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product.Enable()
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if err := s.productRepo.Update(ctx, product); err != nil {
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s.logger.Error("启用产品失败", zap.Error(err))
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return fmt.Errorf("启用产品失败: %w", err)
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}
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s.logger.Info("启用产品成功", zap.String("id", cmd.ID))
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return nil
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}
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// DisableProduct 禁用产品
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func (s *ProductApplicationServiceImpl) DisableProduct(ctx context.Context, cmd *commands.DisableProductCommand) error {
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product, err := s.productRepo.GetByID(ctx, cmd.ID)
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if err != nil {
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return fmt.Errorf("产品不存在: %w", err)
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}
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product.Disable()
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if err := s.productRepo.Update(ctx, product); err != nil {
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s.logger.Error("禁用产品失败", zap.Error(err))
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return fmt.Errorf("禁用产品失败: %w", err)
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}
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s.logger.Info("禁用产品成功", zap.String("id", cmd.ID))
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return nil
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}
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// ShowProduct 显示产品
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func (s *ProductApplicationServiceImpl) ShowProduct(ctx context.Context, cmd *commands.ShowProductCommand) error {
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product, err := s.productRepo.GetByID(ctx, cmd.ID)
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if err != nil {
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return fmt.Errorf("产品不存在: %w", err)
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}
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product.Show()
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if err := s.productRepo.Update(ctx, product); err != nil {
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s.logger.Error("显示产品失败", zap.Error(err))
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return fmt.Errorf("显示产品失败: %w", err)
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}
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s.logger.Info("显示产品成功", zap.String("id", cmd.ID))
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return nil
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}
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// HideProduct 隐藏产品
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func (s *ProductApplicationServiceImpl) HideProduct(ctx context.Context, cmd *commands.HideProductCommand) error {
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product, err := s.productRepo.GetByID(ctx, cmd.ID)
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if err != nil {
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return fmt.Errorf("产品不存在: %w", err)
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}
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product.Hide()
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if err := s.productRepo.Update(ctx, product); err != nil {
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s.logger.Error("隐藏产品失败", zap.Error(err))
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return fmt.Errorf("隐藏产品失败: %w", err)
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}
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s.logger.Info("隐藏产品成功", zap.String("id", cmd.ID))
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return nil
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}
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||
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|
// UpdateProductSEO 更新产品SEO信息
|
||
|
|
func (s *ProductApplicationServiceImpl) UpdateProductSEO(ctx context.Context, cmd *commands.UpdateProductSEOCommand) error {
|
||
|
|
product, err := s.productRepo.GetByID(ctx, cmd.ID)
|
||
|
|
if err != nil {
|
||
|
|
return fmt.Errorf("产品不存在: %w", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
product.UpdateSEO(cmd.SEOTitle, cmd.SEODescription, cmd.SEOKeywords)
|
||
|
|
|
||
|
|
if err := s.productRepo.Update(ctx, product); err != nil {
|
||
|
|
s.logger.Error("更新产品SEO失败", zap.Error(err))
|
||
|
|
return fmt.Errorf("更新产品SEO失败: %w", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
s.logger.Info("更新产品SEO成功", zap.String("id", cmd.ID))
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// GetProductStats 获取产品统计
|
||
|
|
func (s *ProductApplicationServiceImpl) GetProductStats(ctx context.Context) (*responses.ProductStatsResponse, error) {
|
||
|
|
stats, err := s.productService.GetProductStats()
|
||
|
|
if err != nil {
|
||
|
|
s.logger.Error("获取产品统计失败", zap.Error(err))
|
||
|
|
return nil, fmt.Errorf("获取产品统计失败: %w", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
return &responses.ProductStatsResponse{
|
||
|
|
TotalProducts: stats["total"],
|
||
|
|
EnabledProducts: stats["enabled"],
|
||
|
|
VisibleProducts: stats["visible"],
|
||
|
|
PackageProducts: 0, // 需要单独统计
|
||
|
|
}, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// 私有方法
|
||
|
|
|
||
|
|
func (s *ProductApplicationServiceImpl) validateCreateProduct(cmd *commands.CreateProductCommand) error {
|
||
|
|
if cmd.Name == "" {
|
||
|
|
return errors.New("产品名称不能为空")
|
||
|
|
}
|
||
|
|
if cmd.Code == "" {
|
||
|
|
return errors.New("产品编号不能为空")
|
||
|
|
}
|
||
|
|
if cmd.CategoryID == "" {
|
||
|
|
return errors.New("产品分类不能为空")
|
||
|
|
}
|
||
|
|
if cmd.Price < 0 {
|
||
|
|
return errors.New("产品价格不能为负数")
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *ProductApplicationServiceImpl) validateUpdateProduct(cmd *commands.UpdateProductCommand) error {
|
||
|
|
if cmd.ID == "" {
|
||
|
|
return errors.New("产品ID不能为空")
|
||
|
|
}
|
||
|
|
if cmd.Price < 0 {
|
||
|
|
return errors.New("产品价格不能为负数")
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *ProductApplicationServiceImpl) convertToProductInfoResponse(product *entities.Product) *responses.ProductInfoResponse {
|
||
|
|
return &responses.ProductInfoResponse{
|
||
|
|
ID: product.ID,
|
||
|
|
Name: product.Name,
|
||
|
|
Code: product.Code,
|
||
|
|
Description: product.Description,
|
||
|
|
Content: product.Content,
|
||
|
|
CategoryID: product.CategoryID,
|
||
|
|
Price: product.Price,
|
||
|
|
IsEnabled: product.IsEnabled,
|
||
|
|
IsVisible: product.IsVisible,
|
||
|
|
IsPackage: product.IsPackage,
|
||
|
|
SEOTitle: product.SEOTitle,
|
||
|
|
SEODescription: product.SEODescription,
|
||
|
|
SEOKeywords: product.SEOKeywords,
|
||
|
|
CreatedAt: product.CreatedAt,
|
||
|
|
UpdatedAt: product.UpdatedAt,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *ProductApplicationServiceImpl) convertToCategoryInfoResponse(category *entities.ProductCategory) *responses.CategoryInfoResponse {
|
||
|
|
return &responses.CategoryInfoResponse{
|
||
|
|
ID: category.ID,
|
||
|
|
Name: category.Name,
|
||
|
|
Code: category.Code,
|
||
|
|
Description: category.Description,
|
||
|
|
ParentID: category.ParentID,
|
||
|
|
Level: category.Level,
|
||
|
|
Sort: category.Sort,
|
||
|
|
IsEnabled: category.IsEnabled,
|
||
|
|
IsVisible: category.IsVisible,
|
||
|
|
CreatedAt: category.CreatedAt,
|
||
|
|
UpdatedAt: category.UpdatedAt,
|
||
|
|
}
|
||
|
|
}
|