public RoomSortViewModel(RoomSortState sortOrder)
{
TypeSort = sortOrder == RoomSortState.TypeAsc ? RoomSortState.TypeDesc : RoomSortState.TypeAsc;
CapacitySort = sortOrder == RoomSortState.CapacityAsc ? RoomSortState.CapacityDesc : RoomSortState.CapacityAsc;
DescriptionSort = sortOrder == RoomSortState.DescriptionAsc ? RoomSortState.DescriptionDesc : RoomSortState.DescriptionAsc;
PriceSort = sortOrder == RoomSortState.PriceAsc ? RoomSortState.PriceDesc : RoomSortState.PriceAsc;
Current = sortOrder;
}
public async Task <IActionResult> Index(string type, int page = 1, RoomSortState sortOrder = RoomSortState.TypeAsc)
{
int pageSize = 5;
//фильтрация
IQueryable <Room> rooms = db.Rooms;
if (!string.IsNullOrEmpty(type))
{
rooms = rooms.Where(p => p.RoomType.Contains(type));
}
// сортировка
switch (sortOrder)
{
case RoomSortState.TypeDesc:
rooms = rooms.OrderByDescending(s => s.RoomType);
break;
case RoomSortState.CapacityAsc:
rooms = rooms.OrderBy(s => s.RoomCapacity);
break;
case RoomSortState.CapacityDesc:
rooms = rooms.OrderByDescending(s => s.RoomCapacity);
break;
case RoomSortState.DescriptionAsc:
rooms = rooms.OrderBy(s => s.RoomDescription);
break;
case RoomSortState.DescriptionDesc:
rooms = rooms.OrderByDescending(s => s.RoomDescription);
break;
case RoomSortState.PriceAsc:
rooms = rooms.OrderBy(s => s.RoomPrice);
break;
case RoomSortState.PriceDesc:
rooms = rooms.OrderByDescending(s => s.RoomPrice);
break;
default:
rooms = rooms.OrderBy(s => s.RoomType);
break;
}
// пагинация
var count = await rooms.CountAsync();
var items = await rooms.Skip((page - 1) *pageSize).Take(pageSize).ToListAsync();
// формируем модель представления
RoomsViewModel viewModel = new RoomsViewModel
{
PageViewModel = new PageViewModel(count, page, pageSize),
RoomSortViewModel = new RoomSortViewModel(sortOrder),
RoomFilterViewModel = new RoomFilterViewModel(type),
Rooms = items
};
return(View(viewModel));
}