public IActionResult Index(SortState sortState = SortState.CustomersNameAsc, int page = 1)
{
CustomersFilterViewModel filter = HttpContext.Session.Get <CustomersFilterViewModel>(filterKey);
if (filter == null)
{
filter = new CustomersFilterViewModel {
CustomerName = string.Empty
};
HttpContext.Session.Set(filterKey, filter);
}
string modelKey = $"{typeof(Customer).Name}-{page}-{sortState}-{filter.CustomerName}-{filter.CustomerSurname} -{filter.CustomerPatronymic}-{filter.CustomerPhoneNum}-{filter.CustomerAddress}-{filter.CustomerPassportInfo}-{filter.CustomerBirthDate}";
if (!cache.TryGetValue(modelKey, out CustomerViewModel model))
{
model = new CustomerViewModel();
IQueryable <Customer> customers = GetSortedEntities(sortState, filter.CustomerName, filter.CustomerSurname, filter.CustomerPatronymic, filter.CustomerPhoneNum, filter.CustomerAddress, filter.CustomerPassportInfo, filter.CustomerBirthDate);
int count = customers.Count();
int pageSize = 10;
model.PageViewModel = new PageViewModel(page, count, pageSize);
model.Entities = count == 0 ? new List <Customer>() : customers.Skip((model.PageViewModel.CurrentPage - 1) * pageSize).Take(pageSize).ToList();
model.SortViewModel = new SortViewModel(sortState);
model.CustomersFilterViewModel = filter;
cache.Set(modelKey, model);
}
return(View(model));
}
public IActionResult Index(CustomersFilterViewModel filterModel, int page)
{
CustomersFilterViewModel filter = HttpContext.Session.Get <CustomersFilterViewModel>(filterKey);
if (filter != null)
{
filter.CustomerName = filterModel.CustomerName;
filter.CustomerSurname = filterModel.CustomerSurname;
filter.CustomerPatronymic = filterModel.CustomerPatronymic;
filter.CustomerPhoneNum = filterModel.CustomerPhoneNum;
filter.CustomerAddress = filterModel.CustomerAddress;
filter.CustomerBirthDate = filterModel.CustomerBirthDate;
filter.CustomerPassportInfo = filterModel.CustomerPassportInfo;
filter.CustomerGender = filterModel.CustomerGender;
HttpContext.Session.Remove(filterKey);
HttpContext.Session.Set(filterKey, filter);
}
return(RedirectToAction("Index", new { page }));
}