public IActionResult Index(SortState sortState = SortState.CarModelsNameAsc, int page = 1)
{
CarModelsFilterViewModel filter = HttpContext.Session.Get <CarModelsFilterViewModel>(filterKey);
if (filter == null)
{
filter = new CarModelsFilterViewModel {
CarModelName = string.Empty, CarModelDescription = string.Empty, CarMarkName = string.Empty
};
HttpContext.Session.Set(filterKey, filter);
}
string modelKey = $"{typeof(CarModel).Name}-{page}-{sortState}-{filter.CarModelName}-{filter.CarModelDescription}";
if (!cache.TryGetValue(modelKey, out CarModelViewModel model))
{
model = new CarModelViewModel();
IQueryable <CarModel> carModels = GetSortedEntities(sortState, filter.CarModelName, filter.CarModelDescription);
int count = carModels.Count();
int pageSize = 10;
model.PageViewModel = new PageViewModel(page, count, pageSize);
model.Entities = count == 0 ? new List <CarModel>() : carModels.Skip((model.PageViewModel.CurrentPage - 1) * pageSize).Take(pageSize).ToList();
model.SortViewModel = new SortViewModel(sortState);
model.CarModelsFilterViewModel = filter;
cache.Set(modelKey, model);
}
return(View(model));
}
public IActionResult Index(CarModelsFilterViewModel filterModel, int page)
{
CarModelsFilterViewModel filter = HttpContext.Session.Get <CarModelsFilterViewModel>(filterKey);
if (filter != null)
{
filter.CarModelName = filterModel.CarModelName;
filter.CarModelDescription = filterModel.CarModelDescription;
HttpContext.Session.Remove(filterKey);
HttpContext.Session.Set(filterKey, filter);
}
return(RedirectToAction("Index", new { page }));
}
