public void AtualizarPreco(string id, decimal Valor)
        {
            var command = new AtualizarValorCommand(id, Valor);

            _handler.Handle(command);
        }
 public void Handle(AtualizarValorCommand command)
 {
     _repository.Update("ID", command.ID, "Valor", command.Valor).GetAwaiter().GetResult();
 }