public override async Task EnsureIsNotInUse(Game entity)
{
_ = entity ?? throw new ArgumentNullException(nameof(entity));
var specification = new Venue.IsInUseSpecification(entity.Id);
var anyVenue = await _context.Set <Venue>().AnyAsync(specification.SatisfiedBy());
if (anyVenue)
{
throw new DomainException(Game.IS_IN_USE);
}
}
public async Task Execute(int gameId, CancellationToken cancellationToken)
{
var game = await _gamesRepository.Find(gameId, cancellationToken);
if (game is null)
{
throw new DomainException(Game.NOT_FOUND);
}
var specification = new Venue.IsInUseSpecification(game.Id).SatisfiedBy();
var venues = await _venuesRepository.AnyAsync(specification, cancellationToken);
if (venues)
{
throw new DomainException(Game.IS_IN_USE);
}
await _gamesRepository.Remove(game);
}
private async Task <Unit> HandleAsync(DeleteGame request, CancellationToken cancellationToken)
{
var game = await _gamesRepository.Find(request.Id, cancellationToken);
if (game is null)
{
throw new EntityNotFoundException(typeof(Game), request.Id);
}
var specification = new Venue.IsInUseSpecification(game.Id).SatisfiedBy();
var existsVenues = await _venuesRepository.AnyAsync(specification, cancellationToken);
if (existsVenues)
{
throw new ApplicationException(IsInUse);
}
await _gamesRepository.Remove(game);
await _unitOfWork.Save(default);
