} // текущее значение сортировки
public SortViewModels(SortBuild sortBuild)
{
BuildNameSort = sortBuild == SortBuild.nameASC ? SortBuild.nameDSC : SortBuild.nameASC;
ManufacSort = sortBuild == SortBuild.manufacASC ? SortBuild.manufacDSC : SortBuild.manufacDSC;
VolumSort = sortBuild == SortBuild.voluemASC ? SortBuild.voluemDSC : SortBuild.voluemASC;
ContractSort = sortBuild == SortBuild.contracASC ? SortBuild.contracDSC : SortBuild.contracASC;
Current = sortBuild;
}
// GET: BuildingMaterials
public async Task <IActionResult> Index(int?contr, string nameMaterial, SortBuild sortBuild = SortBuild.nameASC, int page = 1)
{
int pageSize = 10;
IQueryable <BuildingMaterial> building = _context.BuildingMaterials.Include(b => b.ContractorIdNavigation)
.Include(b => b.ManufacturerIdNavigation);
if (contr != null && contr != 0)
{
building = building.Where(p => p.ContractorId == contr);
}
if (!String.IsNullOrEmpty(nameMaterial))
{
building = building.Where(p => p.NameMaterial.Contains(nameMaterial));
}
switch (sortBuild)
{
case SortBuild.nameDSC:
building = building.OrderByDescending(s => s.NameMaterial);
break;
case SortBuild.manufacDSC:
building = building.OrderByDescending(s => s.ManufacturerIdNavigation.ManufacturerName);
break;
case SortBuild.manufacASC:
building = building.OrderBy(s => s.ManufacturerIdNavigation.ManufacturerName);
break;
case SortBuild.voluemDSC:
building = building.OrderByDescending(s => s.VolumePurchaseQuantity);
break;
case SortBuild.voluemASC:
building = building.OrderBy(s => s.VolumePurchaseQuantity);
break;
case SortBuild.contracDSC:
building = building.OrderByDescending(s => s.ContractorIdNavigation.NameCompany);
break;
case SortBuild.contracASC:
building = building.OrderBy(s => s.ContractorIdNavigation.NameCompany);
break;
default:
building = building.OrderBy(s => s.NameMaterial);
break;
}
// пагинация
var count = await building.CountAsync();
var items = await building.Skip((page - 1) *pageSize).Take(pageSize).ToListAsync();
// формируем модель представления
BuildingViewModel viewModel = new BuildingViewModel
{
PageViewModel = new PageViewModel(count, page, pageSize),
SortViewModel = new SortViewModels(sortBuild),
FilterViewModel = new FilterViewModel(_context.Contractors.ToList(), contr, nameMaterial),
BuildingMaterials = items
};
return(View(viewModel));
}