public async Task <Unit> Handle(EditGameCommand request, CancellationToken cancellationToken)
{
var(id, title, maxPlayers, minPlayers, _) = request;
_logger.LogInformation($"Getting game {request.Title} with id {request.Id.ToString()}");
var game = await _gamesService.TryGetGameAsync(request.Id, cancellationToken);
var isTitleUnique = await _gamesService.IsTitleUniqueAsync(title, id, cancellationToken);
_logger.LogInformation($"Checking if {request.Title} is unique");
if (!isTitleUnique)
{
throw new EntityExistsException(nameof(Game), id);
}
_logger.LogInformation("Updating game...");
game.Title = title;
game.MaxPlayers = maxPlayers;
game.MinPlayers = minPlayers;
_context.Games.Update(game);
await _context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
public async Task <Guid> Handle(AddGameCommand request, CancellationToken cancellationToken)
{
var isTitleUnique = await _gamesService.IsTitleUniqueAsync(request.Title, null, cancellationToken);
if (!isTitleUnique)
{
_logger.LogError($"Game with title {request.Title} already exists");
throw new EntityExistsException(nameof(Game), request.Title);
}
var id = _idGenerator.NewGuid();
var game = new Game
{
Id = id,
Title = request.Title,
MaxPlayers = request.MaxPlayers,
MinPlayers = request.MinPlayers,
Added = _dateTimeService.UtcNow
};
_logger.LogInformation($"Adding game with id {id.ToString()} title {request.Title}");
await _context.Games.AddAsync(game, cancellationToken);
await _context.SaveChangesAsync(cancellationToken);
return(id);
}
public async Task <Unit> Handle(DeleteGameCommand request, CancellationToken cancellationToken)
{
var game = await _context.Games.FirstOrDefaultAsync(g => g.Id == request.Id, cancellationToken);
if (game == null)
{
_logger.LogError($"Game with id {request.Id} was not found");
throw new NotFoundException(nameof(Game), request.Id);
}
_logger.LogInformation($"Deleting game with id {request.Id.ToString()}");
_context.Games.Remove(game);
await _context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}