@Transactional(propagation = Propagation.REQUIRED, rollbackFor = Exception.class)
  public Sale duplicate(Sale sale)
      throws IabakoUniqueConstraintException, IabakoPackageForbiddenException,
          IabakoActionForbiddenException, IabakoStockException {
    // get ProdSer from DB
    sale.setProductsServices(saleDAO.getProductServiceList(sale));

    if (sale.getInstallmentsDefinition() != null
        && sale.getInstallmentsDefinition().getInstallmentsFrequency()
            == InstallmentsFrequency.custom
        && GenericTools.isEmpty(sale.getInstallmentsDefinition().getInstallments())) {
      // initialize empty relation coming from GWT world before clone() call
      sale.getInstallmentsDefinition()
          .setInstallments(saleDAO.getCustomInstallmentsDefinition(sale));
    }
    Sale newSale = sale.customClone();

    newSale.setDate(new Date());
    newSale.setDateString(GenericTools.formatDateToString(newSale.getDate()));

    newSale.setClient(sale.getClient());
    if (sale.getStatus() != FinancialStatusSale._0_draft) {
      newSale.setSaleStep(SaleStep.confirmation);
    }

    newSale.getPayments().clear();
    newSale.getInstallments().clear();

    List<Installment> installments =
        newSale.getInstallmentsDefinition() != null
            ? newSale.getInstallmentsDefinition().getInstallments()
            : null;

    return save(
        true, newSale, newSale.getProductsServices(), newSale.getExpenses(), null, installments);
  }