重构服务类和仓库类

DMS.Infrastructure/Services/BaseService.cs

@@ -0,0 +1,64 @@
+using AutoMapper;
+using DMS.Infrastructure.Repositories;
+using System.Threading.Tasks;
+
+namespace DMS.Infrastructure.Services
+{
+    /// <summary>
+    /// 通用服务基类，封装了常见的增、删、改操作。
+    /// </summary>
+    /// <typeparam name="TModel">业务逻辑模型类型。</typeparam>
+    /// <typeparam name="TEntity">数据库实体类型。</typeparam>
+    /// <typeparam name="TRepository">与实体对应的仓储类型。</typeparam>
+    public abstract class BaseService<TModel, TEntity, TRepository>
+        where TEntity : class, new()
+        where TRepository : BaseRepository<TEntity>
+    {
+        protected readonly IMapper _mapper;
+        protected readonly TRepository _repository;
+
+        /// <summary>
+        /// 初始化 BaseService 的新实例。
+        /// </summary>
+        /// <param name="mapper">AutoMapper 实例，用于对象映射。</param>
+        /// <param name="repository">仓储实例，用于数据访问。</param>
+        protected BaseService(IMapper mapper, TRepository repository)
+        {
+            _mapper = mapper;
+            _repository = repository;
+        }
+
+        /// <summary>
+        /// 异步添加一个新的业务模型对象。
+        /// </summary>
+        /// <param name="model">要添加的业务模型对象。</param>
+        /// <returns>返回添加后的数据库实体。</returns>
+        public virtual async Task<TEntity> AddAsync(TModel model)
+        {
+            var entity = _mapper.Map<TEntity>(model);
+            return await _repository.AddAsync(entity);
+        }
+
+        /// <summary>
+        /// 异步更新一个现有的业务模型对象。
+        /// </summary>
+        /// <param name="model">要更新的业务模型对象。</param>
+        /// <returns>返回受影响的行数。</returns>
+        public virtual async Task<int> UpdateAsync(TModel model)
+        {
+            var entity = _mapper.Map<TEntity>(model);
+            return await _repository.UpdateAsync(entity);
+        }
+
+        /// <summary>
+        /// 异步删除一个业务模型对象。
+        /// </summary>
+        /// <param name="model">要删除的业务模型对象。</param>
+        /// <returns>返回受影响的行数。</returns>
+        public virtual async Task<int> DeleteAsync(TModel model)
+        {
+            var entity = _mapper.Map<TEntity>(model);
+            return await _repository.DeleteAsync(entity);
+        }
+    }
+}