public IActionResult Index(SortState sortState = SortState.ShowNameAsc, int page = 1)
{
TimetablesFilterViewModel filter = HttpContext.Session.Get <TimetablesFilterViewModel>(filterKey);
if (filter == null)
{
filter = new TimetablesFilterViewModel {
DayOfWeek = 0, Month = 0, Year = 0, StaffName = string.Empty, ShowName = string.Empty
};
HttpContext.Session.Set(filterKey, filter);
}
string modelKey = $"{typeof(Timetable).Name}-{page}-{sortState}-{filter.DayOfWeek}-{filter.Month}-{filter.Year}-{filter.StaffName}-{filter.ShowName}";
if (!cache.TryGetValue(modelKey, out TimetablesViewModel model))
{
model = new TimetablesViewModel();
IQueryable <Timetable> timetables = GetSortedEntities(sortState, filter);
int count = timetables.Count();
int pageSize = 10;
model.PageViewModel = new PageViewModel(page, count, pageSize);
model.Entities = count == 0 ? new List <Timetable>() : timetables.Skip((model.PageViewModel.CurrentPage - 1) * pageSize).Take(pageSize).ToList();
model.SortViewModel = new SortViewModel(sortState);
model.TimetablesFilterViewModel = filter;
cache.Set(modelKey, model);
}
return(View(model));
}
public IActionResult Index(TimetablesViewModel filterModel, string showName)
{
TimetablesFilterViewModel filter;
if (!string.IsNullOrEmpty(showName))
{
filter = new TimetablesFilterViewModel {
ShowName = showName
};
HttpContext.Session.Set(filterKey, filter);
return(RedirectToAction("Index", new { page = 1 }));
}
filter = HttpContext.Session.Get <TimetablesFilterViewModel>(filterKey);
if (filter != null)
{
filter.DayOfWeek = filterModel.TimetablesFilterViewModel.DayOfWeek;
filter.Month = filterModel.TimetablesFilterViewModel.Month;
filter.Year = filterModel.TimetablesFilterViewModel.Year;
filter.StaffName = filterModel.TimetablesFilterViewModel.StaffName;
filter.ShowName = filterModel.TimetablesFilterViewModel.ShowName;
HttpContext.Session.Remove(filterKey);
HttpContext.Session.Set(filterKey, filter);
}
return(RedirectToAction("Index", new { page = 1 }));
}
private IQueryable <Timetable> GetSortedEntities(SortState sortState, TimetablesFilterViewModel filterModel)
{
IQueryable <Timetable> timetables = db.Timetables.Include(t => t.Show).Include(t => t.Staff).AsQueryable();
switch (sortState)
{
case SortState.TimetableDayOfWeekAsc:
timetables = timetables.OrderBy(t => t.DayOfWeek);
break;
case SortState.TimetableDayOfWeekDesc:
timetables = timetables.OrderByDescending(t => t.DayOfWeek);
break;
case SortState.TimetableMonthAsc:
timetables = timetables.OrderBy(t => t.Month);
break;
case SortState.TimetableMonthDesc:
timetables = timetables.OrderByDescending(t => t.Month);
break;
case SortState.TimetableYearAsc:
timetables = timetables.OrderBy(t => t.Year);
break;
case SortState.TimetableYearDesc:
timetables = timetables.OrderByDescending(t => t.Year);
break;
case SortState.ShowNameAsc:
timetables = timetables.OrderBy(t => t.Show.Name);
break;
case SortState.ShowNameDesc:
timetables = timetables.OrderByDescending(t => t.Show.Name);
break;
case SortState.TimetableStartTimeAsc:
timetables = timetables.OrderBy(t => t.StartTime);
break;
case SortState.TimetableStartTimeDesc:
timetables = timetables.OrderByDescending(t => t.StartTime);
break;
case SortState.TimetablEndTimeAsc:
timetables = timetables.OrderBy(t => t.EndTime);
break;
case SortState.TimetablEndTimeDesc:
timetables = timetables.OrderByDescending(t => t.EndTime);
break;
case SortState.StaffFullNameAsc:
timetables = timetables.OrderBy(t => t.Staff.FullName);
break;
case SortState.StaffFullNameDesc:
timetables = timetables.OrderByDescending(t => t.Staff.FullName);
break;
}
if (filterModel.DayOfWeek != 0)
{
timetables = timetables.Where(t => t.DayOfWeek == filterModel.DayOfWeek).AsQueryable();
}
if (filterModel.Month != 0)
{
timetables = timetables.Where(t => t.Month == filterModel.Month).AsQueryable();
}
if (filterModel.Year != 0)
{
timetables = timetables.Where(t => t.Year == filterModel.Year).AsQueryable();
}
if (!string.IsNullOrEmpty(filterModel.StaffName))
{
timetables = timetables.Where(t => t.Staff.FullName == filterModel.StaffName).AsQueryable();
}
if (!string.IsNullOrEmpty(filterModel.ShowName))
{
timetables = timetables.Where(t => t.Show.Name == filterModel.ShowName).AsQueryable();
}
return(timetables);
}