public async Task <Unit> Handle(EditPlayerCommand request, CancellationToken cancellationToken)
{
var existing = await _context.Players.FirstOrDefaultAsync(p => p.Id == request.Id, cancellationToken);
_logger.LogInformation($"Trying to get player {request.Id.ToString()}");
if (existing == null)
{
throw new NotFoundException(nameof(Player), request.Id);
}
await ValidateNickname();
existing.Nickname = request.Nickname;
_context.Players.Update(existing);
_logger.LogInformation($"Updating player {request.Id.ToString()}");
await _context.SaveChangesAsync(cancellationToken);
return(Unit.Value);
async Task ValidateNickname()
{
if (!string.Equals(existing.Nickname, request.Nickname, StringComparison.OrdinalIgnoreCase))
{
var isNicknameUnique = await _playersService.IsNicknameUniqueAsync(request.Nickname, request.Id);
_logger.LogInformation(
$"Checking if nickname {request.Nickname} for {request.Id.ToString()} is unique ");
if (!isNicknameUnique)
{
throw new EntityExistsException(nameof(Player), request.Nickname);
}
}
}
}
public async Task <Guid> Handle(AddPlayerCommand request, CancellationToken cancellationToken)
{
var isUnique = await _playersService.IsNicknameUniqueAsync(request.Nickname, null);
if (!isUnique)
{
throw new EntityExistsException(nameof(Player), request.Nickname);
}
var id = _idGenerator.NewGuid();
var player = new Player
{
Id = id,
Nickname = request.Nickname.Trim(),
Added = _dateTimeService.UtcNow
};
await _context.Players.AddAsync(player, cancellationToken);
await _context.SaveChangesAsync(cancellationToken);
return(id);
}