/// <summary>
/// 获取指定实体
/// <para>注意：当需要对查询结果进行排序时，应先排序再进行分页</para>
/// </summary>
/// <param name="specification">规约</param>
/// <param name="tracking">是否追踪，追踪数据可进行修改、删除，不追踪提升查询性能</param>
/// <returns>返回满足条件的实体</returns>
public virtual IQueryable <TEntity> Get(IANSHSpecification <TEntity> specification, bool tracking = false)
{
IQueryable <TEntity> iqueryable = tracking ? DbEntity.AsTracking() : DbEntity.AsNoTracking();
iqueryable = iqueryable.SetSpecification(specification);
return(iqueryable);
}
/// <summary> /// 获取指定实体 /// </summary> /// <param name="specification">规约</param> /// <returns>返回满足条件的实体</returns> public virtual async Task <TAggregateRoot> GetOneAsync(IANSHSpecification <TAggregateRoot> specification = null) => await Repository.GetOneAsync(specification);
/// <summary> /// 获取指定实体 /// </summary> /// <param name="specification">规约</param> /// <returns>返回满足条件的实体</returns> public virtual TAggregateRoot GetOne(IANSHSpecification <TAggregateRoot> specification = null) => Repository.GetOne(specification);
/// <summary> /// 获取指定实体 /// </summary> /// <param name="specification">规约</param> /// <param name="datacount">满足指定条件数据总条数</param> /// <param name="pagecount">满足指定条件数据可分页总数</param> /// <param name="hasnext">是否还有下一页</param> /// <param name="page">页数</param> /// <param name="pagesize">每页数据条数</param> /// <returns>返回满足条件的实体</returns> public virtual List <TAggregateRoot> GetList(out int datacount, out int pagecount, out bool hasnext, int page = 1, int pagesize = 20, IANSHSpecification <TAggregateRoot> specification = null) => Repository.GetList(out datacount, out pagecount, out hasnext, page, pagesize, specification);
/// <summary> /// 获取指定实体 /// </summary> /// <param name="specification">规约</param> /// <returns>返回满足条件的实体</returns> public virtual List <TAggregateRoot> GetList(IANSHSpecification <TAggregateRoot> specification = null) => Repository.GetListAsync(specification).Result;
/// <summary> /// 获取指定实体数量 /// </summary> /// <param name="specification">规约</param> /// <returns>返回满足条件的实体数量</returns> public virtual async Task <int> CountAsync(IANSHSpecification <TAggregateRoot> specification = null) => await Repository.CountAsync(specification);
/// <summary> /// 获取指定实体数量 /// </summary> /// <param name="specification">规约</param> /// <returns>返回满足条件的实体数量</returns> public virtual int Count(IANSHSpecification <TAggregateRoot> specification = null) => Repository.Count(specification);
/// <summary>
/// 设置规约
/// </summary>
/// <typeparam name="TEntity">实体模型</typeparam>
/// <param name="source">来源</param>
/// <param name="specification">规约</param>
public static IQueryable <TEntity> SetSpecification <TEntity> (this IQueryable <TEntity> source, IANSHSpecification <TEntity> specification) where TEntity : class, IDBEntity
{
var Criteria = specification.GetCriteria();
if (Criteria != null)
{
source = source.Where(Criteria);
}
var InCludes = specification.GetInClude();
source = InCludes?.Aggregate(source,
(current, include) => current.Include(include));
var ThenInCludes = specification.GetThenInClude();
source = ThenInCludes?.Aggregate(source,
(current, include) => current.Include(include));
var OrderBy = specification.GetOrderBy();
source = OrderBy?.Aggregate(source, (current, include) => include.Value == ANSHSpecificationOrderBy.ASC? current.OrderBy(include.Key) : current.OrderByDescending(include.Key));
return(source);
}
/// <summary> /// 获取指定实体 /// </summary> /// <param name="specification">规约</param> /// <param name="datacount">满足指定条件数据总条数</param> /// <param name="pagecount">满足指定条件数据可分页总数</param> /// <param name="hasnext">是否还有下一页</param> /// <param name="page">页数</param> /// <param name="pagesize">每页数据条数</param> /// <returns>返回满足条件的实体</returns> public List <TAggregateRoot> GetList(out int datacount, out int pagecount, out bool hasnext, int page = 1, int pagesize = 20, IANSHSpecification <TAggregateRoot> specification = null) => Work.Register <TAggregateRootContxt> ().Get(specification).ToPage(out datacount, out pagecount, out hasnext, page, pagesize).ToListAsync().Result;
/// <summary> /// 获取指定实体 /// </summary> /// <param name="specification">规约</param> /// <returns>返回满足条件的实体</returns> public List <TAggregateRoot> GetList(IANSHSpecification <TAggregateRoot> specification = null) => GetListAsync(specification).Result;
/// <summary> /// 获取指定实体数量 /// </summary> /// <param name="specification">规约</param> /// <returns>返回满足条件的实体数量</returns> public async Task <int> CountAsync(IANSHSpecification <TAggregateRoot> specification = null) => await Work.Register <TAggregateRootContxt> ().Get(specification).CountAsync();
/// <summary> /// 获取指定实体数量 /// </summary> /// <param name="specification">规约</param> /// <returns>返回满足条件的实体数量</returns> public int Count(IANSHSpecification <TAggregateRoot> specification = null) => CountAsync(specification).Result;
/// <summary> /// 获取指定实体 /// </summary> /// <param name="specification">规约</param> /// <returns>返回满足条件的实体</returns> public async Task <TAggregateRoot> GetOneAsync(IANSHSpecification <TAggregateRoot> specification = null) => await Work.Register <TAggregateRootContxt> ().Get(specification).FirstOrDefaultAsync();
/// <summary> /// 获取指定实体 /// </summary> /// <param name="specification">规约</param> /// <returns>返回满足条件的实体</returns> public TAggregateRoot GetOne(IANSHSpecification <TAggregateRoot> specification = null) => GetOneAsync(specification).Result;
/// <summary> /// 获取指定实体 /// </summary> /// <param name="specification">规约</param> /// <returns>返回满足条件的实体</returns> public async Task <List <TAggregateRoot> > GetListAsync(IANSHSpecification <TAggregateRoot> specification = null) => await Work.Register <TAggregateRootContxt> ().Get(specification).ToListAsync();
