public OperationResultVo <Guid> Update(ArquivoViewModel viewModel) { OperationResultVo <Guid> result; try { Arquivo model; // TODO validate before Arquivo existing = _repository.GetById(viewModel.Id); if (viewModel.Id == Guid.Empty || existing == null) { return(new OperationResultVo <Guid>("Erro ao atualizar Arquivo")); } model = _mapper.Map(viewModel, existing); _repository.Update(model); _unitOfWork.Commit(); result = new OperationResultVo <Guid>(model.Id); } catch (Exception ex) { result = new OperationResultVo <Guid>(ex.Message); } return(result); }