public static IQueryable <T> Including <T>(this IQueryable <T> queryable, IncludingQuery <T> includingQuery)
where T : class
{
return(includingQuery == null
? queryable
: includingQuery.Columns.Aggregate(queryable, (x, y) => x.Include(y)));
}
public async Task <TEntity> FindAsync(
Expression <Func <TEntity, bool> > predicate,
IncludingQuery <TEntity> includingQuery = null,
CancellationToken cancellationToken = default)
{
return(await Queryable(predicate, includingQuery).SingleOrDefaultAsync(cancellationToken));
}
public IReadOnlyList <TEntity> Get(
Expression <Func <TEntity, bool> > predicate,
IncludingQuery <TEntity> includingQuery = null,
OrderingQuery <TEntity> orderingQuery = null,
PagingQuery pagingQuery = null)
{
return(Queryable(predicate, includingQuery, orderingQuery, pagingQuery).ToList());
}
private IQueryable <TEntity> Queryable(
Expression <Func <TEntity, bool> > predicate,
IncludingQuery <TEntity> includingQuery = null,
OrderingQuery <TEntity> orderingQuery = null,
PagingQuery pagingQuery = null)
{
return(DbSet.Where(predicate).Including(includingQuery).Ordering(orderingQuery).Paging(pagingQuery));
}
public async Task <IReadOnlyList <TEntity> > GetAsync(
Expression <Func <TEntity, bool> > predicate,
IncludingQuery <TEntity> includingQuery = null,
OrderingQuery <TEntity> orderingQuery = null,
PagingQuery pagingQuery = null,
CancellationToken cancellationToken = default)
{
return(await Queryable(predicate, includingQuery, orderingQuery, pagingQuery)
.ToListAsync(cancellationToken));
}
public TEntity Find(
Expression <Func <TEntity, bool> > predicate,
IncludingQuery <TEntity> includingQuery = null)
{
return(Queryable(predicate, includingQuery).SingleOrDefault());
}
