public async Task <IEnumerable <Order> > GetOrderListAsync(SortingCriterion criterion)
{
IQueryable <Order> orders = _db.Orders;
await Task.Run(() =>
{
orders = ApplySorting(orders, criterion);
orders = orders.GetPage(criterion.PageNumber, criterion.PageSize);
});
return(orders);
}
private IQueryable <Order> ApplySorting(IQueryable <Order> orders, SortingCriterion criterion)
{
switch (criterion.Sorting)
{
case Sorting.Newer:
return(orders.OrderBy(x => x.CreationDate));
case Sorting.Older:
return(orders.OrderByDescending(x => x.CreationDate));
default:
return(orders);
}
}
