// GET: CatalogItems
public async Task <IActionResult> Index(int id)
{
Catalog catalog = await _catalogService.DetailsAsync(id);
var products = await _productService.GetProductsAsync();
var catalogItems = await _catalogItemsService.GetCatalogItemsAsync();
var checkedItems = new List <int>();
foreach (CatalogItems item in catalogItems)
{
if (item.CatalogId == id)
{
checkedItems.Add(item.ProductId);
}
}
var filteredProducts = products.Where(e => checkedItems.Contains(e.Id));
ViewBag.CatalogId = id;
ViewBag.Selected = filteredProducts;
ViewBag.CatalogName = catalog.CatalogName;
return(View(products));
}