private async Task <Unit> HandleAsync(UpdateGame request, CancellationToken cancellationToken)
{
var game = await _gamesRepository.Find(request.Id, cancellationToken);
if (game is null)
{
throw new DomainException(Game.NOT_FOUND);
}
game.SetName(request.Name);
await _gamesRepository.EnsureUniqueness(game);
await _unitOfWork.Save(default);