fix

internal/application/product/product_application_service_impl.go

@@ -21,6 +21,7 @@ type ProductApplicationServiceImpl struct {
 	productManagementService   *product_service.ProductManagementService
 	productSubscriptionService *product_service.ProductSubscriptionService
 	productApiConfigAppService ProductApiConfigApplicationService
+	documentationAppService    DocumentationApplicationServiceInterface
 	logger                     *zap.Logger
 }
 
@@ -29,12 +30,14 @@ func NewProductApplicationService(
 	productManagementService *product_service.ProductManagementService,
 	productSubscriptionService *product_service.ProductSubscriptionService,
 	productApiConfigAppService ProductApiConfigApplicationService,
+	documentationAppService DocumentationApplicationServiceInterface,
 	logger *zap.Logger,
 ) ProductApplicationService {
 	return &ProductApplicationServiceImpl{
 		productManagementService:   productManagementService,
 		productSubscriptionService: productSubscriptionService,
 		productApiConfigAppService: productApiConfigAppService,
+		documentationAppService:    documentationAppService,
 		logger:                     logger,
 	}
 }
@@ -411,18 +414,28 @@ func (s *ProductApplicationServiceImpl) ListProductsForAdmin(ctx context.Context
 
 // GetProductByIDForAdmin 根据ID获取产品（管理员专用）
 // 业务流程：1. 获取产品信息 2. 构建管理员响应数据
-func (s *ProductApplicationServiceImpl) GetProductByIDForAdmin(ctx context.Context, query *appQueries.GetProductQuery) (*responses.ProductAdminInfoResponse, error) {
+func (s *ProductApplicationServiceImpl) GetProductByIDForAdmin(ctx context.Context, query *appQueries.GetProductDetailQuery) (*responses.ProductAdminInfoResponse, error) {
 	product, err := s.productManagementService.GetProductWithCategory(ctx, query.ID)
 	if err != nil {
 		return nil, err
 	}
 
-	return s.convertToProductAdminInfoResponse(product), nil
+	response := s.convertToProductAdminInfoResponse(product)
+
+	// 如果需要包含文档信息
+	if query.WithDocument != nil && *query.WithDocument {
+		doc, err := s.documentationAppService.GetDocumentationByProductID(ctx, query.ID)
+		if err == nil && doc != nil {
+			response.Documentation = doc
+		}
+	}
+
+	return response, nil
 }
 
 // GetProductByIDForUser 根据ID获取产品（用户端专用）
 // 业务流程：1. 获取产品信息 2. 验证产品可见性 3. 构建用户响应数据
-func (s *ProductApplicationServiceImpl) GetProductByIDForUser(ctx context.Context, query *appQueries.GetProductQuery) (*responses.ProductInfoResponse, error) {
+func (s *ProductApplicationServiceImpl) GetProductByIDForUser(ctx context.Context, query *appQueries.GetProductDetailQuery) (*responses.ProductInfoWithDocumentResponse, error) {
 	product, err := s.productManagementService.GetProductWithCategory(ctx, query.ID)
 	if err != nil {
 		return nil, err
@@ -433,7 +446,19 @@ func (s *ProductApplicationServiceImpl) GetProductByIDForUser(ctx context.Contex
 		return nil, fmt.Errorf("产品不存在或不可见")
 	}
 
-	return s.convertToProductInfoResponse(product), nil
+	response := &responses.ProductInfoWithDocumentResponse{
+		ProductInfoResponse: *s.convertToProductInfoResponse(product),
+	}
+
+	// 如果需要包含文档信息
+	if query.WithDocument != nil && *query.WithDocument {
+		doc, err := s.documentationAppService.GetDocumentationByProductID(ctx, query.ID)
+		if err == nil && doc != nil {
+			response.Documentation = doc
+		}
+	}
+
+	return response, nil
 }
 
 // convertToProductInfoResponse 转换为产品信息响应