public async Task <IActionResult> Index()
{
var value = HttpContext.Session.GetString(SearchVMCacheKey);
CardIndexViewModel cardIndexViewModel = string.IsNullOrEmpty(value) ?
CardHelpers.SetDefaultFindModel(new CardIndexViewModel()) :
JsonConvert.DeserializeObject <CardIndexViewModel>(value);
CardHelpers.SetupViewBag(cardIndexViewModel, ViewBag);
var result = await _cardRepository.ConfigureSearchAsync(cardIndexViewModel);
var count = await _cardRepository.GetTotalCards();
ViewBag.MaxPage = count / cardIndexViewModel.Page;
ViewBag.Page = cardIndexViewModel.Page;
cardIndexViewModel.Cards = result;
return(View(cardIndexViewModel));
}