public IActionResult Index(SortState sortState = SortState.NumberAsc, int page = 1)
{
ContainersFilterViewModel filter = HttpContext.Session.Get <ContainersFilterViewModel>(filterKey);
if (filter == null)
{
filter = new ContainersFilterViewModel {
Number = 0, TankCapacity = 0
};
HttpContext.Session.Set(filterKey, filter);
}
string modelKey = $"{typeof(Containers).Name}-{page}-{sortState}-{filter.Number}-{filter.TankCapacity}";
if (!cache.TryGetValue(modelKey, out ContainersViewModel model))
{
model = new ContainersViewModel();
IQueryable <Containers> containers = GetSortedEntities(sortState, filter.Number, filter.TankCapacity);
int count = containers.Count();
int pageSize = 10;
model.PageViewModel = new PageViewModel(count, page, pageSize);
model.Containers = count == 0 ? new List <Containers>() : containers.Skip((model.PageViewModel.PageNumber - 1) * pageSize).Take(pageSize).ToList();
model.SortViewModel = new SortViewModel(sortState);
model.ContainersFilterViewModel = filter;
cache.Set(modelKey, model);
}
return(View(model));
}
public IActionResult Index(ContainersFilterViewModel filterModel, int page)
{
ContainersFilterViewModel filter = HttpContext.Session.Get <ContainersFilterViewModel>(filterKey);
if (filter != null)
{
filter.Number = filterModel.Number;
filter.TankCapacity = filterModel.TankCapacity;
HttpContext.Session.Remove(filterKey);
HttpContext.Session.Set(filterKey, filter);
}
return(RedirectToAction("Index", new { page }));
}
