private Sale checkIfQuote(Sale sale) {
   if (sale.getSaleQuoteId() != null) {
     Sale saleQuote = saleDAO.findById(Long.parseLong(sale.getSaleQuoteId()));
     if (saleQuote != null && saleQuote.isQuote()) {
       saleQuote.setSaleQuoteId(
           sale.getStatus() == FinancialStatusSale._0_draft
               ? "_draft_" + sale.getId()
               : sale.getId() + "");
       saleQuote.setStatus(FinancialStatusSale._2_quote_transformed);
     } else {
       sale.setSaleQuoteId(null);
     }
     saleDAO.merge(saleQuote);
     return saleQuote;
   }
   return null;
 }