public async Task <CreateSessionResponse> Handle(CreateSessionCommand message)
{
var cinema = await _cinemaRepository.GetCinemaById(message.CinemaId);
if (cinema == null)
{
throw new InvalidOperationException($"The cinema with id [{message.CinemaId}] can not be found");
}
var film = await _filmRepository.GetFilmById(message.FilmId);
if (film == null)
{
throw new InvalidOperationException($"The film with id [{message.FilmId}] can not be found");
}
var screen = cinema.Screens.SingleOrDefault(s => s.Id == message.ScreenId);
if (screen == null)
{
throw new InvalidOperationException($"The screen with id [{message.ScreenId}] can not be found in the cinema [{message.CinemaId}]");
}
var session = Session.Create(
screen,
film,
message.Start);
await _sessionRepository.AddAsync(session);
await _unitOfWork.CommitAsync();
return(new CreateSessionResponse(SessionViewModel.FromSession(session)));
}
