public MainPage()
{
InitializeComponent();
ViewModel = new GetItemsViewModel();
BindingContext = ViewModel;
session.Text = CrossSecureStorage.Current.GetValue("firstname") + " " + CrossSecureStorage.Current.GetValue("lastname");
}
// GET: Items
public async Task <IActionResult> Index(string category, string manufacturer, int?priceMin, int?priceMax, string keywords, int?pageNumber, SortByFilter sortBy = SortByFilter.NewestArrivals)
{
const int pageSize = 16;
IQueryable <Item> items = Context.Items.Where(i => i.Active);
List <string> categories = items.Select(i => i.Category).Distinct().ToList();
if (!string.IsNullOrWhiteSpace(category) && category != "All Categories")
{
items = items.Where(item => item.Category == category);
}
if (!string.IsNullOrWhiteSpace(manufacturer))
{
items = items.Where(item => item.Manufacturer == manufacturer);
}
if (priceMin > 0)
{
items = items.Where(item => item.Price >= priceMin);
}
if (priceMax > 0)
{
items = items.Where(item => item.Price <= priceMax);
}
if (!string.IsNullOrWhiteSpace(keywords))
{
items = items.Where(item =>
item.Title.ToLower().Contains(keywords.ToLower()) ||
item.Manufacturer.ToLower().Contains(keywords.ToLower()));
}
items = sortBy switch
{
SortByFilter.NewestArrivals => items.OrderByDescending(i => i.Id),
SortByFilter.PriceLowToHigh => items.OrderBy(i => i.Price),
SortByFilter.PriceHighToLow => items.OrderByDescending(i => i.Price),
_ => throw new ArgumentOutOfRangeException(nameof(sortBy), sortBy, null)
};
List <string> manufactures = items.Select(i => i.Manufacturer).Distinct().ToList();
PaginatedList <Item> paginatedList = await PaginatedList <Item> .CreateAsync(items.AsNoTracking(), pageNumber ?? 1, pageSize);
var viewModel = new GetItemsViewModel()
{
Categories = categories,
Manufactures = manufactures,
Items = items.ToArray(),
PaginatedItems = paginatedList,
ItemsFilter = new ItemsFilter()
{
Category = category,
Manufacturer = manufacturer,
SortBy = sortBy,
PriceMin = priceMin,
PriceMax = priceMax,
Keywords = keywords
},
ItemsInCart = await CountItemsInCart()
};
return(View(viewModel));
}