public IActionResult ShowingEdit(int index)
        {
            var showing = showingService.GetById(index);
            var movies  = movieService.Get().FindAll(a => a.EndDate >= DateTime.Today).ToList();
            var cinemas = cinemaLocationService.GetWithHalls();
            List <Tuple <int, string> > cinemaLocations = new List <Tuple <int, string> >();
            string temp;

            foreach (var item in cinemas)
            {
                foreach (var hall in item.CinemaHalls)
                {
                    temp = item.CinemaName + ", Hall " + hall.Name;
                    cinemaLocations.Add(new Tuple <int, string>(hall.Id, temp));
                }
            }
            return(View(new ShowingCreateAndEditViewModel()
            {
                showing = showing, cinemaLocations = cinemaLocations, movies = movies, IsSuccessfull = true
            }));
        }