public virtual TEntity GetById(TKey id, StatusSelector statusSelector = StatusSelector.OnlyActives)
{
var query = GetQueryByStatusSelector(id, statusSelector);
if (_includes != null)
{
query = _includes(query);
}
return(query.FirstOrDefault());
}
public async virtual Task <TEntity> GetByIdAsync(TKey id, StatusSelector statusSelector = StatusSelector.OnlyActives)
{
var query = GetQueryByStatusSelector(id, statusSelector);
//var s = query.ToSql();
if (_includes != null)
{
query = _includes(query);
}
return(await query.FirstOrDefaultAsync());
}
private IQueryable <TEntity> GetQueryByStatusSelector(TKey id, StatusSelector statusSelector)
{
switch (statusSelector)
{
case StatusSelector.OnlyActives:
return(from p in DbContext.Set <TEntity>()
where p.Id.Equals(id) && p.Status == Status.Active
select p);
case StatusSelector.ActivesAndPassives:
return(from p in DbContext.Set <TEntity>()
where p.Id.Equals(id) && (p.Status == Status.Active || p.Status == Status.Passive)
select p);
case StatusSelector.ActivesAndDeleted:
return(from p in DbContext.Set <TEntity>()
where p.Id.Equals(id) && (p.Status == Status.Active || p.Status == Status.Deleted)
select p);
case StatusSelector.PassivesAndDeleted:
return(from p in DbContext.Set <TEntity>()
where p.Id.Equals(id) && (p.Status == Status.Passive || p.Status == Status.Deleted)
select p);
case StatusSelector.OnlyPassives:
return(from p in DbContext.Set <TEntity>()
where p.Id.Equals(id) && (p.Status == Status.Passive)
select p);
case StatusSelector.OnlyDeleted:
return(from p in DbContext.Set <TEntity>()
where p.Id.Equals(id) && (p.Status == Status.Deleted)
select p);
case StatusSelector.All:
return(from p in DbContext.Set <TEntity>()
where p.Id.Equals(id) && (p.Status == Status.Active || p.Status == Status.Passive || p.Status == Status.Deleted)
select p);
default:
return(from p in DbContext.Set <TEntity>()
where p.Id.Equals(id) && p.Status == Status.Active
select p);
}
}
public virtual async Task <ICustomQueryable <TEntity> > GetAllWithPagingAsync(
IPaging paging
, Expression <Func <TEntity, bool> > predicate = null
, Func <IQueryable <TEntity>, IOrderedQueryable <TEntity> > orderBy = null
, Func <IQueryable <TEntity>, IIncludableQueryable <TEntity, object> > includes = null
, StatusSelector statusSelector = StatusSelector.OnlyActives
)
{
IQueryable <TEntity> query = DbSet;
query = query.Where(predicate != null ? PredicateBuild(predicate, statusSelector) : PredicateBuild(statusSelector));
var rowCount = await query.CountAsync();
if (_includes != null)
{
query = _includes(query);
}
if (includes != null)
{
query = includes(query);
}
if (orderBy != null)
{
query = orderBy(query);
}
query = query.Skip(Math.Abs(paging.PageIndex - 1) * paging.PageSize).Take(paging.PageSize);
var pageCount = (rowCount + paging.PageSize - 1) / paging.PageSize;
return(new CustomQueryable <TEntity>
{
Result = query,
TotalCount = rowCount,
PageIndex = paging.PageIndex,
PageSize = paging.PageSize,
PageCount = pageCount
});
}
private static Expression <Func <TEntity, bool> > PredicateBuild(StatusSelector statusSelector = StatusSelector.OnlyActives)
{
var predicate = PredicateBuilder.New <TEntity>(true);
return(PredicateBuild(predicate, statusSelector));
}
private static Expression <Func <TEntity, bool> > PredicateBuild(Expression <Func <TEntity, bool> > predicate, StatusSelector statusSelector = StatusSelector.OnlyActives)
{
var innerPredicate = PredicateBuilder.New <TEntity>();
switch (statusSelector)
{
case StatusSelector.OnlyActives:
innerPredicate = innerPredicate.And(p => (int)p.Status == (int)Status.Active);
break;
case StatusSelector.ActivesAndPassives:
innerPredicate = innerPredicate.And(p => (int)p.Status == (int)Status.Active).Or(p => (int)p.Status == (int)Status.Passive);
break;
case StatusSelector.ActivesAndDeleted:
innerPredicate = innerPredicate.Or(p => (int)p.Status == (int)Status.Active).Or(p => (int)p.Status == (int)Status.Deleted);
break;
case StatusSelector.PassivesAndDeleted:
innerPredicate = innerPredicate.Or(p => (int)p.Status == (int)Status.Passive).Or(p => (int)p.Status == (int)Status.Deleted);
break;
case StatusSelector.OnlyPassives:
innerPredicate = innerPredicate.And(p => (int)p.Status == (int)Status.Passive);
break;
case StatusSelector.OnlyDeleted:
innerPredicate = innerPredicate.And(p => (int)p.Status == (int)Status.Deleted);
break;
case StatusSelector.All:
innerPredicate = innerPredicate.Or(p => (int)p.Status == (int)Status.Active).Or(p => (int)p.Status == (int)Status.Passive).Or(p => (int)p.Status == (int)Status.Deleted);
break;
default:
innerPredicate = innerPredicate.And(p => (int)p.Status == (int)Status.Active);
break;
}
return(predicate.And(innerPredicate));
}
//OrderBy kullanımı örneği : GetAll(orderBy: q => q.OrderByDescending(s => s.CreateDateTime), take: 10)
public virtual IQueryable <TEntity> GetAll(
Expression <Func <TEntity, bool> > predicate = null, Func <IQueryable <TEntity>, IOrderedQueryable <TEntity> > orderBy = null, int?take = null, StatusSelector statusSelector = StatusSelector.OnlyActives
)
{
IQueryable <TEntity> query = DbSet;
query = query.Where(predicate != null ? PredicateBuild(predicate, statusSelector) : PredicateBuild(statusSelector));
if (_includes != null)
{
query = _includes(query);
}
if (orderBy != null)
{
query = orderBy(query);
}
if (take != null)
{
query = query.Take((int)take);
}
return(query);
}
public virtual IQueryable <TEntity> Get(Expression <Func <TEntity, bool> > predicate, StatusSelector statusSelector = StatusSelector.OnlyActives)
{
return(DbSet.Where(PredicateBuild(predicate, statusSelector)));
}