public async Task <OperationResult> Handle(UpdateSistemaCommand request, CancellationToken cancellationToken = default)
    {
        _unitOfWork.SistemaRepository.Update(_mapper.Map <Sistema>(request.Sistema));

        bool success = await _unitOfWork.SaveChangesAsync();

        OperationResult result = success ? OperationResult.Success : OperationResult.Failed;

        return(result);
    }
 public async UnaryResult <OperationResult> UpdateAsync(UpdateSistemaCommand command)
 {
     return(await _mediator.Send(command));
 }