测试
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265
MinimalAPI/Repositories/ProductRepository.cs
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265
MinimalAPI/Repositories/ProductRepository.cs
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using Microsoft.EntityFrameworkCore;
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using HardwarePerformance.Data;
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using HardwarePerformance.Models;
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namespace HardwarePerformance.Repositories
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{
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public class ProductRepository : Repository<Product>, IProductRepository
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{
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public ProductRepository(AppDbContext context) : base(context)
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{
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}
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public async Task<IEnumerable<Product>> GetByCategoryAsync(int categoryId)
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{
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return await _dbSet
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.Where(p => p.CategoryId == categoryId)
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.OrderBy(p => p.CurrentRank)
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.ToListAsync();
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}
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public async Task<IEnumerable<Product>> GetByCategoryAsync(int categoryId, int page, int pageSize, string sortBy = "CurrentRank", string sortOrder = "asc")
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{
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var query = _dbSet.Where(p => p.CategoryId == categoryId);
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// 排序
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query = sortBy.ToLower() switch
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{
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"name" => sortOrder.ToLower() == "desc" ? query.OrderByDescending(p => p.Name) : query.OrderBy(p => p.Name),
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"manufacturer" => sortOrder.ToLower() == "desc" ? query.OrderByDescending(p => p.Manufacturer) : query.OrderBy(p => p.Manufacturer),
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"releasedate" => sortOrder.ToLower() == "desc" ? query.OrderByDescending(p => p.ReleaseDate) : query.OrderBy(p => p.ReleaseDate),
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"price" => sortOrder.ToLower() == "desc" ? query.OrderByDescending(p => p.Price) : query.OrderBy(p => p.Price),
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_ => sortOrder.ToLower() == "desc" ? query.OrderByDescending(p => p.CurrentRank) : query.OrderBy(p => p.CurrentRank)
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};
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return await query
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.Skip((page - 1) * pageSize)
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.Take(pageSize)
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.ToListAsync();
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}
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public async Task<IEnumerable<Product>> SearchAsync(string query)
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{
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return await _dbSet
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.Where(p =>
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p.Name.Contains(query) ||
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p.Model.Contains(query) ||
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p.Manufacturer.Contains(query))
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.ToListAsync();
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}
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public async Task<IEnumerable<Product>> SearchAsync(string query, int? categoryId = null, string? manufacturer = null, int? minScore = null, int? maxScore = null, int page = 1, int pageSize = 20)
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{
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var queryable = _dbSet.AsQueryable();
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if (categoryId.HasValue)
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{
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queryable = queryable.Where(p => p.CategoryId == categoryId.Value);
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}
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if (!string.IsNullOrEmpty(manufacturer))
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{
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queryable = queryable.Where(p => p.Manufacturer == manufacturer);
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}
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if (minScore.HasValue)
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{
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// 使用排名计算性能分数（100 - 排名）
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queryable = queryable.Where(p => (100 - p.CurrentRank) >= minScore.Value);
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}
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if (maxScore.HasValue)
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{
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// 使用排名计算性能分数（100 - 排名）
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queryable = queryable.Where(p => (100 - p.CurrentRank) <= maxScore.Value);
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}
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if (!string.IsNullOrEmpty(query))
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{
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queryable = queryable.Where(p =>
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p.Name.Contains(query) ||
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p.Model.Contains(query) ||
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p.Manufacturer.Contains(query));
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}
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return await queryable
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.OrderBy(p => p.CurrentRank)
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.Skip((page - 1) * pageSize)
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.Take(pageSize)
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.ToListAsync();
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}
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public async Task<IEnumerable<Product>> FilterAsync(int? categoryId, string? manufacturer, int? minScore, int? maxScore, int? year)
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{
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var query = _dbSet.AsQueryable();
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if (categoryId.HasValue)
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{
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query = query.Where(p => p.CategoryId == categoryId.Value);
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}
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if (!string.IsNullOrEmpty(manufacturer))
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{
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query = query.Where(p => p.Manufacturer == manufacturer);
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}
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if (minScore.HasValue)
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{
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// 使用排名计算性能分数（100 - 排名）
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query = query.Where(p => (100 - p.CurrentRank) >= minScore.Value);
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}
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if (maxScore.HasValue)
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{
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// 使用排名计算性能分数（100 - 排名）
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query = query.Where(p => (100 - p.CurrentRank) <= maxScore.Value);
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}
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if (year.HasValue)
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{
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query = query.Where(p => p.ReleaseDate.Year == year.Value);
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}
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return await query.ToListAsync();
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}
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public async Task<IEnumerable<Product>> FilterAsync(int? categoryId, string? manufacturer, int? minScore, int? maxScore, int? year, int page, int pageSize, string sortBy = "CurrentRank", string sortOrder = "asc")
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{
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var query = _dbSet.AsQueryable();
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if (categoryId.HasValue)
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{
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query = query.Where(p => p.CategoryId == categoryId.Value);
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}
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if (!string.IsNullOrEmpty(manufacturer))
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{
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query = query.Where(p => p.Manufacturer == manufacturer);
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}
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if (minScore.HasValue)
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{
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// 使用排名计算性能分数（100 - 排名）
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query = query.Where(p => (100 - p.CurrentRank) >= minScore.Value);
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}
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if (maxScore.HasValue)
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{
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// 使用排名计算性能分数（100 - 排名）
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query = query.Where(p => (100 - p.CurrentRank) <= maxScore.Value);
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}
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if (year.HasValue)
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{
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query = query.Where(p => p.ReleaseDate.Year == year.Value);
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}
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// 排序
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query = sortBy.ToLower() switch
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{
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"name" => sortOrder.ToLower() == "desc" ? query.OrderByDescending(p => p.Name) : query.OrderBy(p => p.Name),
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"manufacturer" => sortOrder.ToLower() == "desc" ? query.OrderByDescending(p => p.Manufacturer) : query.OrderBy(p => p.Manufacturer),
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"releasedate" => sortOrder.ToLower() == "desc" ? query.OrderByDescending(p => p.ReleaseDate) : query.OrderBy(p => p.ReleaseDate),
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"price" => sortOrder.ToLower() == "desc" ? query.OrderByDescending(p => p.Price) : query.OrderBy(p => p.Price),
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_ => sortOrder.ToLower() == "desc" ? query.OrderByDescending(p => p.CurrentRank) : query.OrderBy(p => p.CurrentRank)
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};
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return await query
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.Skip((page - 1) * pageSize)
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.Take(pageSize)
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.ToListAsync();
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}
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public async Task<int> CountAsync(int? categoryId = null)
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{
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var query = _dbSet.AsQueryable();
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if (categoryId.HasValue)
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{
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query = query.Where(p => p.CategoryId == categoryId.Value);
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}
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return await query.CountAsync();
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}
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public async Task<int> CountSearchResultsAsync(string query, int? categoryId = null, string? manufacturer = null, int? minScore = null, int? maxScore = null)
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{
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var queryable = _dbSet.AsQueryable();
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if (categoryId.HasValue)
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{
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queryable = queryable.Where(p => p.CategoryId == categoryId.Value);
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}
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if (!string.IsNullOrEmpty(manufacturer))
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{
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queryable = queryable.Where(p => p.Manufacturer == manufacturer);
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}
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if (minScore.HasValue)
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{
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// 使用排名计算性能分数（100 - 排名）
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queryable = queryable.Where(p => (100 - p.CurrentRank) >= minScore.Value);
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}
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if (maxScore.HasValue)
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{
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// 使用排名计算性能分数（100 - 排名）
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queryable = queryable.Where(p => (100 - p.CurrentRank) <= maxScore.Value);
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}
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if (!string.IsNullOrEmpty(query))
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{
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queryable = queryable.Where(p =>
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p.Name.Contains(query) ||
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p.Model.Contains(query) ||
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p.Manufacturer.Contains(query));
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}
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return await queryable.CountAsync();
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}
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public async Task<int> CountFilterResultsAsync(int? categoryId, string? manufacturer, int? minScore, int? maxScore, int? year)
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{
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var query = _dbSet.AsQueryable();
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if (categoryId.HasValue)
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{
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query = query.Where(p => p.CategoryId == categoryId.Value);
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}
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if (!string.IsNullOrEmpty(manufacturer))
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{
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query = query.Where(p => p.Manufacturer == manufacturer);
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}
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if (minScore.HasValue)
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{
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// 使用排名计算性能分数（100 - 排名）
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query = query.Where(p => (100 - p.CurrentRank) >= minScore.Value);
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}
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if (maxScore.HasValue)
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{
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// 使用排名计算性能分数（100 - 排名）
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query = query.Where(p => (100 - p.CurrentRank) <= maxScore.Value);
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}
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if (year.HasValue)
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{
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query = query.Where(p => p.ReleaseDate.Year == year.Value);
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}
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return await query.CountAsync();
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}
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public async Task<Category?> GetCategoryByProductIdAsync(int productId)
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{
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var product = await _dbSet
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.Include(p => p.Category)
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.FirstOrDefaultAsync(p => p.Id == productId);
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return product?.Category;
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}
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}
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}
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