初始化

backend/HardwarePerformance.Application/Interfaces/IRepository.cs

@@ -0,0 +1,86 @@
+using System.Linq.Expressions;
+
+namespace HardwarePerformance.Application.Interfaces
+{
+    /// <summary>
+    /// 通用Repository接口，定义基本的CRUD操作
+    /// </summary>
+    /// <typeparam name="T">实体类型</typeparam>
+    public interface IRepository<T> where T : class
+    {
+        /// <summary>
+        /// 根据ID获取实体
+        /// </summary>
+        /// <param name="id">实体ID</param>
+        /// <returns>实体对象</returns>
+        Task<T?> GetByIdAsync(int id);
+
+        /// <summary>
+        /// 获取所有实体
+        /// </summary>
+        /// <returns>实体列表</returns>
+        Task<IEnumerable<T>> GetAllAsync();
+
+        /// <summary>
+        /// 根据条件查询实体
+        /// </summary>
+        /// <param name="predicate">查询条件</param>
+        /// <returns>符合条件的实体列表</returns>
+        Task<IEnumerable<T>> FindAsync(Expression<Func<T, bool>> predicate);
+
+        /// <summary>
+        /// 检查是否存在符合条件的实体
+        /// </summary>
+        /// <param name="predicate">查询条件</param>
+        /// <returns>是否存在</returns>
+        Task<bool> ExistsAsync(Expression<Func<T, bool>> predicate);
+
+        /// <summary>
+        /// 添加实体
+        /// </summary>
+        /// <param name="entity">要添加的实体</param>
+        /// <returns>添加后的实体</returns>
+        Task<T> AddAsync(T entity);
+
+        /// <summary>
+        /// 批量添加实体
+        /// </summary>
+        /// <param name="entities">要添加的实体列表</param>
+        /// <returns>添加后的实体列表</returns>
+        Task<IEnumerable<T>> AddRangeAsync(IEnumerable<T> entities);
+
+        /// <summary>
+        /// 更新实体
+        /// </summary>
+        /// <param name="entity">要更新的实体</param>
+        /// <returns>更新后的实体</returns>
+        Task<T> UpdateAsync(T entity);
+
+        /// <summary>
+        /// 删除实体
+        /// </summary>
+        /// <param name="entity">要删除的实体</param>
+        /// <returns>是否删除成功</returns>
+        Task<bool> DeleteAsync(T entity);
+
+        /// <summary>
+        /// 根据ID删除实体
+        /// </summary>
+        /// <param name="id">实体ID</param>
+        /// <returns>是否删除成功</returns>
+        Task<bool> DeleteByIdAsync(int id);
+
+        /// <summary>
+        /// 获取实体数量
+        /// </summary>
+        /// <returns>实体总数</returns>
+        Task<int> CountAsync();
+
+        /// <summary>
+        /// 根据条件获取实体数量
+        /// </summary>
+        /// <param name="predicate">查询条件</param>
+        /// <returns>符合条件的实体数量</returns>
+        Task<int> CountAsync(Expression<Func<T, bool>> predicate);
+    }
+}