测试

MinimalAPI/Services/ProductService.cs

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+using AutoMapper;
+using HardwarePerformance.Models.DTOs;
+using HardwarePerformance.Repositories;
+
+namespace HardwarePerformance.Services
+{
+    public class ProductService : IProductService
+    {
+        private readonly IProductRepository _productRepository;
+        private readonly IMapper _mapper;
+
+        public ProductService(IProductRepository productRepository, IMapper mapper)
+        {
+            _productRepository = productRepository;
+            _mapper = mapper;
+        }
+
+        public async Task<PagedResultDto<ProductListDto>> GetProductsByCategoryAsync(int categoryId, int page = 1, int pageSize = 20, string sortBy = "CurrentRank", string order = "asc")
+        {
+            var products = await _productRepository.GetByCategoryAsync(categoryId, page, pageSize, sortBy, order);
+            var totalCount = await _productRepository.CountAsync(categoryId);
+            
+            var productDtos = _mapper.Map<IEnumerable<ProductListDto>>(products);
+            
+            return new PagedResultDto<ProductListDto>
+            {
+                Items = productDtos.ToList(),
+                Total = totalCount,
+                CurrentPage = page,
+                PageSize = pageSize,
+                TotalPages = (int)Math.Ceiling((double)totalCount / pageSize)
+            };
+        }
+
+        public async Task<ProductDto?> GetProductByIdAsync(int id)
+        {
+            var product = await _productRepository.GetByIdAsync(id);
+            if (product == null) return null;
+
+            var productDto = _mapper.Map<ProductDto>(product);
+            
+            // 获取类别信息
+            var category = await _productRepository.GetCategoryByProductIdAsync(id);
+            if (category != null)
+            {
+                productDto.Category = new CategoryDto
+                {
+                    Id = category.Id,
+                    Name = category.Name,
+                    Description = category.Description
+                };
+            }
+
+            return productDto;
+        }
+
+        public async Task<PagedResultDto<ProductListDto>> SearchProductsAsync(string query, int? categoryId = null, string? manufacturer = null, int? minScore = null, int? maxScore = null, int page = 1, int pageSize = 20)
+        {
+            var products = await _productRepository.SearchAsync(query, categoryId, manufacturer, minScore, maxScore, page, pageSize);
+            var totalCount = await _productRepository.CountSearchResultsAsync(query, categoryId, manufacturer, minScore, maxScore);
+            
+            var productDtos = _mapper.Map<IEnumerable<ProductListDto>>(products);
+            
+            return new PagedResultDto<ProductListDto>
+            {
+                Items = productDtos.ToList(),
+                Total = totalCount,
+                CurrentPage = page,
+                PageSize = pageSize,
+                TotalPages = (int)Math.Ceiling((double)totalCount / pageSize)
+            };
+        }
+
+        public async Task<PagedResultDto<ProductListDto>> FilterProductsAsync(int categoryId, string? manufacturer = null, int? minScore = null, int? maxScore = null, int? releaseYear = null, int page = 1, int pageSize = 20, string sortBy = "CurrentRank", string order = "asc")
+        {
+            var products = await _productRepository.FilterAsync(categoryId, manufacturer, minScore, maxScore, releaseYear, page, pageSize, sortBy, order);
+            var totalCount = await _productRepository.CountFilterResultsAsync(categoryId, manufacturer, minScore, maxScore, releaseYear);
+            
+            var productDtos = _mapper.Map<IEnumerable<ProductListDto>>(products);
+            
+            return new PagedResultDto<ProductListDto>
+            {
+                Items = productDtos.ToList(),
+                Total = totalCount,
+                CurrentPage = page,
+                PageSize = pageSize,
+                TotalPages = (int)Math.Ceiling((double)totalCount / pageSize)
+            };
+        }
+    }
+}