public List <Movie> GetMoviesByCity(long cityID)
{
List <Movie> movies = _mapper.Map <List <Movie> >(_movieRepository.GetMovies());
List <Cinema> cinemasInTheCity = _mapper.Map <List <Cinema> >(_cinemaRepository.GetCinemasByCity(cityID));
List <Show> showsInTheCity = _mapper.Map <List <Show> >(_showsRepository.GetShowsByCinemas(cinemasInTheCity.Select(cinema => cinema.ID).ToList()));
movies = movies.Where(movie => showsInTheCity.Select(show => show.MovieID).Contains(movie.ID)).ToList();
return(movies);
}