public IActionResult GetHall(int cinemaId, int hallId) { if (!_сinemaService.CheckCinemaExists(cinemaId)) { return(NotFound(new Response(ErrorOfCinemaNonexistence))); } if (!_сinemaService.CheckHallExists(cinemaId, hallId)) { return(NotFound(new Response(ErrorOfHallNonexistence))); } var hall = _сinemaService.GetHall(hallId); return(Ok(new GetResponse <HallFullView>(hall))); }