refactor: ai+人工重构优化 framework
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橙子
@@ -6,11 +6,19 @@ using Volo.Abp.MultiTenancy;
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namespace Yi.Framework.Ddd.Application
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{
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public abstract class YiCacheCrudAppService<TEntity, TEntityDto, TKey> : YiCrudAppService<TEntity, TEntityDto, TKey, PagedAndSortedResultRequestDto>
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where TEntity : class, IEntity<TKey>
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where TEntityDto : IEntityDto<TKey>
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/// <summary>
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/// 带缓存的CRUD应用服务基类
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/// </summary>
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/// <typeparam name="TEntity">实体类型</typeparam>
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/// <typeparam name="TEntityDto">实体DTO类型</typeparam>
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/// <typeparam name="TKey">主键类型</typeparam>
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public abstract class YiCacheCrudAppService<TEntity, TEntityDto, TKey>
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: YiCrudAppService<TEntity, TEntityDto, TKey, PagedAndSortedResultRequestDto>
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where TEntity : class, IEntity<TKey>
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where TEntityDto : IEntityDto<TKey>
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{
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protected YiCacheCrudAppService(IRepository<TEntity, TKey> repository) : base(repository)
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protected YiCacheCrudAppService(IRepository<TEntity, TKey> repository)
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: base(repository)
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{
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}
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}
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@@ -47,73 +55,92 @@ namespace Yi.Framework.Ddd.Application
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}
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/// <summary>
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/// 完整的带缓存CRUD应用服务实现
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/// </summary>
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public abstract class YiCacheCrudAppService<TEntity, TGetOutputDto, TGetListOutputDto, TKey, TGetListInput, TCreateInput, TUpdateInput>
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: YiCrudAppService<TEntity, TGetOutputDto, TGetListOutputDto, TKey, TGetListInput, TCreateInput, TUpdateInput>
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where TEntity : class, IEntity<TKey>
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where TGetOutputDto : IEntityDto<TKey>
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where TGetListOutputDto : IEntityDto<TKey>
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where TEntity : class, IEntity<TKey>
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where TGetOutputDto : IEntityDto<TKey>
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where TGetListOutputDto : IEntityDto<TKey>
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{
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protected IDistributedCache<TEntity> Cache => LazyServiceProvider.LazyGetRequiredService<IDistributedCache<TEntity>>();
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/// <summary>
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/// 分布式缓存访问器
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/// </summary>
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private IDistributedCache<TEntity> EntityCache =>
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LazyServiceProvider.LazyGetRequiredService<IDistributedCache<TEntity>>();
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protected string GetCacheKey(TKey id) => typeof(TEntity).Name + ":" + CurrentTenant.Id ?? Guid.Empty + ":" + id.ToString();
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protected YiCacheCrudAppService(IRepository<TEntity, TKey> repository) : base(repository)
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/// <summary>
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/// 获取缓存键
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/// </summary>
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protected virtual string GenerateCacheKey(TKey id) =>
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$"{typeof(TEntity).Name}:{CurrentTenant.Id ?? Guid.Empty}:{id}";
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protected YiCacheCrudAppService(IRepository<TEntity, TKey> repository)
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: base(repository)
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{
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}
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public override async Task<TGetOutputDto> UpdateAsync(TKey id, TUpdateInput input)
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/// <summary>
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/// 更新实体并清除缓存
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/// </summary>
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public override async Task<TGetOutputDto> UpdateAsync(TKey id, TUpdateInput input)
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{
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var output = await base.UpdateAsync(id, input);
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await Cache.RemoveAsync(GetCacheKey(id));
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return output;
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var result = await base.UpdateAsync(id, input);
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await EntityCache.RemoveAsync(GenerateCacheKey(id));
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return result;
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}
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public override async Task<PagedResultDto<TGetListOutputDto>> GetListAsync(TGetListInput input)
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/// <summary>
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/// 获取实体列表(需要继承实现具体的缓存策略)
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/// </summary>
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public override Task<PagedResultDto<TGetListOutputDto>> GetListAsync(TGetListInput input)
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{
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//两种方式：
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//1：全表缓存，使用缓存直接查询
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//2：非全部缓存，查询到的数据直接添加到缓存
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//判断是否该实体为全表缓存
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throw new NotImplementedException();
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//IDistributedCache 有局限性，条件查询无法进行缓存了
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//if (true)
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//{
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// return await GetListByCacheAsync(input);
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//}
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//else
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//{
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// return await GetListByDbAsync(input);
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//}
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// 建议实现两种缓存策略:
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// 1. 全表缓存: 适用于数据量小且变动不频繁的场景
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// 2. 按需缓存: 仅缓存常用数据,适用于大数据量场景
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throw new NotImplementedException("请实现具体的缓存查询策略");
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}
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protected virtual async Task<PagedResultDto<TGetListOutputDto>> GetListByDbAsync(TGetListInput input)
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/// <summary>
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/// 从数据库获取实体列表
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/// </summary>
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protected virtual Task<PagedResultDto<TGetListOutputDto>> GetListFromDatabaseAsync(
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TGetListInput input)
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{
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//如果不是全表缓存，可以走这个啦
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throw new NotImplementedException();
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}
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protected virtual async Task<PagedResultDto<TGetListOutputDto>> GetListByCacheAsync(TGetListInput input)
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{
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//如果是全表缓存，可以走这个啦
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throw new NotImplementedException();
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}
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/// <summary>
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/// 从缓存获取实体列表
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/// </summary>
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protected virtual Task<PagedResultDto<TGetListOutputDto>> GetListFromCacheAsync(
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TGetListInput input)
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{
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throw new NotImplementedException();
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}
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/// <summary>
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/// 获取单个实体(优先从缓存获取)
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/// </summary>
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protected override async Task<TEntity> GetEntityByIdAsync(TKey id)
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{
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var output = await Cache.GetOrAddAsync(GetCacheKey(id), async () => await base.GetEntityByIdAsync(id));
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return output!;
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return (await EntityCache.GetOrAddAsync(
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GenerateCacheKey(id),
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async () => await base.GetEntityByIdAsync(id)))!;
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}
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public override async Task DeleteAsync(IEnumerable<TKey> id)
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/// <summary>
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/// 批量删除实体并清除缓存
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/// </summary>
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public override async Task DeleteAsync(IEnumerable<TKey> ids)
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{
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await base.DeleteAsync(id);
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foreach (var itemId in id)
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{
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await Cache.RemoveAsync(GetCacheKey(itemId));
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}
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await base.DeleteAsync(ids);
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// 批量清除缓存
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var tasks = ids.Select(id =>
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EntityCache.RemoveAsync(GenerateCacheKey(id)));
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await Task.WhenAll(tasks);
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}
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}
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}
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