426 lines
14 KiB
Go
426 lines
14 KiB
Go
package product
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import (
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"context"
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"fmt"
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"github.com/shopspring/decimal"
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"go.uber.org/zap"
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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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product_service "tyapi-server/internal/domains/product/services"
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"tyapi-server/internal/shared/interfaces"
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)
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// ProductApplicationServiceImpl 产品应用服务实现
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// 负责业务流程编排、事务管理、数据转换，不直接操作仓库
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type ProductApplicationServiceImpl struct {
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productManagementService *product_service.ProductManagementService
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productSubscriptionService *product_service.ProductSubscriptionService
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productApiConfigAppService ProductApiConfigApplicationService
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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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productManagementService *product_service.ProductManagementService,
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productSubscriptionService *product_service.ProductSubscriptionService,
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productApiConfigAppService ProductApiConfigApplicationService,
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logger *zap.Logger,
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) ProductApplicationService {
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return &ProductApplicationServiceImpl{
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productManagementService: productManagementService,
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productSubscriptionService: productSubscriptionService,
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productApiConfigAppService: productApiConfigAppService,
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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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// 业务流程：1. 构建产品实体 2. 创建产品
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func (s *ProductApplicationServiceImpl) CreateProduct(ctx context.Context, cmd *commands.CreateProductCommand) error {
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// 1. 构建产品实体
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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: decimal.NewFromFloat(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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SEOTitle: cmd.SEOTitle,
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SEODescription: cmd.SEODescription,
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SEOKeywords: cmd.SEOKeywords,
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}
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// 2. 创建产品
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_, err := s.productManagementService.CreateProduct(ctx, product)
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return err
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}
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// UpdateProduct 更新产品
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// 业务流程：1. 获取现有产品 2. 更新产品信息 3. 保存产品
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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.productManagementService.GetProductByID(ctx, cmd.ID)
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if err != nil {
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return err
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}
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// 2. 更新产品信息
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existingProduct.Name = cmd.Name
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existingProduct.Code = cmd.Code
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existingProduct.Description = cmd.Description
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existingProduct.Content = cmd.Content
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existingProduct.CategoryID = cmd.CategoryID
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existingProduct.Price = decimal.NewFromFloat(cmd.Price)
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existingProduct.IsEnabled = cmd.IsEnabled
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existingProduct.IsVisible = cmd.IsVisible
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existingProduct.IsPackage = cmd.IsPackage
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existingProduct.SEOTitle = cmd.SEOTitle
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existingProduct.SEODescription = cmd.SEODescription
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existingProduct.SEOKeywords = cmd.SEOKeywords
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// 3. 保存产品
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return s.productManagementService.UpdateProduct(ctx, existingProduct)
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}
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// DeleteProduct 删除产品
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// 业务流程：1. 删除产品
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func (s *ProductApplicationServiceImpl) DeleteProduct(ctx context.Context, cmd *commands.DeleteProductCommand) error {
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return s.productManagementService.DeleteProduct(ctx, cmd.ID)
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}
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// ListProducts 获取产品列表
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// 业务流程：1. 获取产品列表 2. 构建响应数据
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func (s *ProductApplicationServiceImpl) ListProducts(ctx context.Context, filters map[string]interface{}, options interfaces.ListOptions) (*responses.ProductListResponse, error) {
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// 调用领域服务获取产品列表
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products, total, err := s.productManagementService.ListProducts(ctx, filters, options)
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if err != nil {
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return nil, 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: options.Page,
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Size: options.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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// 业务流程：1. 获取产品列表 2. 构建响应数据
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func (s *ProductApplicationServiceImpl) GetProductsByIDs(ctx context.Context, query *appQueries.GetProductsByIDsQuery) ([]*responses.ProductInfoResponse, error) {
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// 这里需要扩展领域服务来支持批量获取
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// 暂时返回空列表
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return []*responses.ProductInfoResponse{}, nil
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}
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// GetSubscribableProducts 获取可订阅产品列表
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// 业务流程：1. 获取启用产品 2. 过滤可订阅产品 3. 构建响应数据
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func (s *ProductApplicationServiceImpl) GetSubscribableProducts(ctx context.Context, query *appQueries.GetSubscribableProductsQuery) ([]*responses.ProductInfoResponse, error) {
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products, err := s.productManagementService.GetEnabledProducts(ctx)
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if err != nil {
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return nil, err
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}
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// 过滤可订阅的产品
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var subscribableProducts []*entities.Product
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for _, product := range products {
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if product.CanBeSubscribed() {
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subscribableProducts = append(subscribableProducts, product)
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}
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}
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// 转换为响应对象
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items := make([]*responses.ProductInfoResponse, len(subscribableProducts))
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for i := range subscribableProducts {
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items[i] = s.convertToProductInfoResponse(subscribableProducts[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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// 业务流程：1. 获取产品信息 2. 构建响应数据
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func (s *ProductApplicationServiceImpl) GetProductByID(ctx context.Context, query *appQueries.GetProductQuery) (*responses.ProductInfoResponse, error) {
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product, err := s.productManagementService.GetProductWithCategory(ctx, query.ID)
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if err != nil {
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return nil, err
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}
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return s.convertToProductInfoResponse(product), nil
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}
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// GetProductStats 获取产品统计信息
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// 业务流程：1. 获取产品统计 2. 构建响应数据
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func (s *ProductApplicationServiceImpl) GetProductStats(ctx context.Context) (*responses.ProductStatsResponse, error) {
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stats, err := s.productSubscriptionService.GetProductStats(ctx)
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if err != nil {
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return nil, err
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}
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return &responses.ProductStatsResponse{
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TotalProducts: stats["total"],
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EnabledProducts: stats["enabled"],
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VisibleProducts: stats["visible"],
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PackageProducts: 0, // 需要单独统计
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}, nil
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}
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// AddPackageItem 添加组合包子产品
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func (s *ProductApplicationServiceImpl) AddPackageItem(ctx context.Context, packageID string, cmd *commands.AddPackageItemCommand) error {
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// 验证组合包是否存在
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packageProduct, err := s.productManagementService.GetProductByID(ctx, packageID)
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if err != nil {
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return err
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}
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if !packageProduct.IsPackage {
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return fmt.Errorf("产品不是组合包")
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}
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// 验证子产品是否存在且不是组合包
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subProduct, err := s.productManagementService.GetProductByID(ctx, cmd.ProductID)
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if err != nil {
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return err
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}
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if subProduct.IsPackage {
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return fmt.Errorf("不能将组合包作为子产品")
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}
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// 检查是否已经存在
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existingItems, err := s.productManagementService.GetPackageItems(ctx, packageID)
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if err == nil {
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for _, item := range existingItems {
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if item.ProductID == cmd.ProductID {
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return fmt.Errorf("该产品已在组合包中")
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}
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}
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}
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// 获取当前最大排序号
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maxSortOrder := 0
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if existingItems != nil {
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for _, item := range existingItems {
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if item.SortOrder > maxSortOrder {
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maxSortOrder = item.SortOrder
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}
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}
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}
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// 创建组合包项目
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packageItem := &entities.ProductPackageItem{
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PackageID: packageID,
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ProductID: cmd.ProductID,
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SortOrder: maxSortOrder + 1,
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}
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return s.productManagementService.CreatePackageItem(ctx, packageItem)
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}
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// UpdatePackageItem 更新组合包子产品
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func (s *ProductApplicationServiceImpl) UpdatePackageItem(ctx context.Context, packageID, itemID string, cmd *commands.UpdatePackageItemCommand) error {
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// 验证组合包项目是否存在
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packageItem, err := s.productManagementService.GetPackageItemByID(ctx, itemID)
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if err != nil {
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return err
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}
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if packageItem.PackageID != packageID {
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return fmt.Errorf("组合包项目不属于指定组合包")
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}
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// 更新项目
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packageItem.SortOrder = cmd.SortOrder
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return s.productManagementService.UpdatePackageItem(ctx, packageItem)
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}
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// RemovePackageItem 移除组合包子产品
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func (s *ProductApplicationServiceImpl) RemovePackageItem(ctx context.Context, packageID, itemID string) error {
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// 验证组合包项目是否存在
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packageItem, err := s.productManagementService.GetPackageItemByID(ctx, itemID)
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if err != nil {
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return err
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}
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if packageItem.PackageID != packageID {
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return fmt.Errorf("组合包项目不属于指定组合包")
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}
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return s.productManagementService.DeletePackageItem(ctx, itemID)
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}
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// ReorderPackageItems 重新排序组合包子产品
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func (s *ProductApplicationServiceImpl) ReorderPackageItems(ctx context.Context, packageID string, cmd *commands.ReorderPackageItemsCommand) error {
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// 验证所有项目是否属于该组合包
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for i, itemID := range cmd.ItemIDs {
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packageItem, err := s.productManagementService.GetPackageItemByID(ctx, itemID)
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if err != nil {
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return err
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}
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if packageItem.PackageID != packageID {
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return fmt.Errorf("组合包项目不属于指定组合包")
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}
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// 更新排序
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packageItem.SortOrder = i + 1
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if err := s.productManagementService.UpdatePackageItem(ctx, packageItem); err != nil {
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return err
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}
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}
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return nil
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}
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// UpdatePackageItems 批量更新组合包子产品
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func (s *ProductApplicationServiceImpl) UpdatePackageItems(ctx context.Context, packageID string, cmd *commands.UpdatePackageItemsCommand) error {
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// 验证组合包是否存在
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packageProduct, err := s.productManagementService.GetProductByID(ctx, packageID)
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if err != nil {
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return err
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}
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if !packageProduct.IsPackage {
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return fmt.Errorf("产品不是组合包")
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}
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// 验证所有子产品是否存在且不是组合包
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for _, item := range cmd.Items {
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subProduct, err := s.productManagementService.GetProductByID(ctx, item.ProductID)
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if err != nil {
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return err
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}
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if subProduct.IsPackage {
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return fmt.Errorf("不能将组合包作为子产品")
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}
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}
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// 使用事务进行批量更新
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return s.productManagementService.UpdatePackageItemsBatch(ctx, packageID, cmd.Items)
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}
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// GetAvailableProducts 获取可选子产品列表
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func (s *ProductApplicationServiceImpl) GetAvailableProducts(ctx context.Context, query *appQueries.GetAvailableProductsQuery) (*responses.ProductListResponse, error) {
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// 构建筛选条件
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filters := make(map[string]interface{})
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filters["is_package"] = false // 只获取非组合包产品
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filters["is_enabled"] = true // 只获取启用产品
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if query.Keyword != "" {
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filters["keyword"] = query.Keyword
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}
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if query.CategoryID != "" {
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filters["category_id"] = query.CategoryID
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}
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// 设置分页选项
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options := interfaces.ListOptions{
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Page: query.Page,
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PageSize: query.PageSize,
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Sort: "created_at",
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Order: "desc",
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}
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// 获取产品列表
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products, total, err := s.productManagementService.ListProducts(ctx, filters, options)
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if err != nil {
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return nil, 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: options.Page,
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Size: options.PageSize,
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Items: items,
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}, nil
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}
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// convertToProductInfoResponse 转换为产品信息响应
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func (s *ProductApplicationServiceImpl) convertToProductInfoResponse(product *entities.Product) *responses.ProductInfoResponse {
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response := &responses.ProductInfoResponse{
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ID: product.ID,
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Name: product.Name,
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Code: product.Code,
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Description: product.Description,
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Content: product.Content,
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CategoryID: product.CategoryID,
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Price: product.Price.InexactFloat64(),
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IsEnabled: product.IsEnabled,
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IsVisible: product.IsVisible,
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IsPackage: product.IsPackage,
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SEOTitle: product.SEOTitle,
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SEODescription: product.SEODescription,
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SEOKeywords: product.SEOKeywords,
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CreatedAt: product.CreatedAt,
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UpdatedAt: product.UpdatedAt,
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}
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// 添加分类信息
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if product.Category != nil {
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response.Category = s.convertToCategoryInfoResponse(product.Category)
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}
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// 转换组合包项目信息
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if product.IsPackage && len(product.PackageItems) > 0 {
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response.PackageItems = make([]*responses.PackageItemResponse, len(product.PackageItems))
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for i, item := range product.PackageItems {
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response.PackageItems[i] = &responses.PackageItemResponse{
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ID: item.ID,
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ProductID: item.ProductID,
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ProductCode: item.Product.Code,
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ProductName: item.Product.Name,
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SortOrder: item.SortOrder,
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Price: item.Product.Price.InexactFloat64(),
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}
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}
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}
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return response
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}
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// convertToCategoryInfoResponse 转换为分类信息响应
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func (s *ProductApplicationServiceImpl) convertToCategoryInfoResponse(category *entities.ProductCategory) *responses.CategoryInfoResponse {
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return &responses.CategoryInfoResponse{
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ID: category.ID,
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Name: category.Name,
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Description: category.Description,
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IsEnabled: category.IsEnabled,
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CreatedAt: category.CreatedAt,
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UpdatedAt: category.UpdatedAt,
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}
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}
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// GetProductApiConfig 获取产品API配置
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func (s *ProductApplicationServiceImpl) GetProductApiConfig(ctx context.Context, productID string) (*responses.ProductApiConfigResponse, error) {
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return s.productApiConfigAppService.GetProductApiConfig(ctx, productID)
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}
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// CreateProductApiConfig 创建产品API配置
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func (s *ProductApplicationServiceImpl) CreateProductApiConfig(ctx context.Context, productID string, config *responses.ProductApiConfigResponse) error {
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return s.productApiConfigAppService.CreateProductApiConfig(ctx, productID, config)
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}
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// UpdateProductApiConfig 更新产品API配置
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func (s *ProductApplicationServiceImpl) UpdateProductApiConfig(ctx context.Context, configID string, config *responses.ProductApiConfigResponse) error {
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return s.productApiConfigAppService.UpdateProductApiConfig(ctx, configID, config)
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}
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// DeleteProductApiConfig 删除产品API配置
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func (s *ProductApplicationServiceImpl) DeleteProductApiConfig(ctx context.Context, configID string) error {
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return s.productApiConfigAppService.DeleteProductApiConfig(ctx, configID)
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} |