code: protected function handleInsert(SaleInterface $sale)
      {
          $changed = false;
  
          // Generate number and key
          $changed |= $this->updateNumber($sale);
          $changed |= $this->updateKey($sale);
  
          // Handle customer information
          $changed |= $this->updateInformation($sale, true);
  
          // Update pricing
          $changed |= $this->pricingUpdater->updateVatNumberSubject($sale);
  
          // Update outstanding
          $changed |= $this->saleUpdater->updatePaymentTerm($sale);
  
          // Update discounts
          $changed |= $this->saleUpdater->updateDiscounts($sale, true);
  
          // Update taxation
          $changed |= $this->saleUpdater->updateTaxation($sale, true);
  
          // Update totals
          $changed |= $this->saleUpdater->updateTotals($sale);
  
          // Update state
          $changed |= $this->updateState($sale);
  
          return $changed;
      }
docs: Handles the sale insertion.
  
  @param SaleInterface $sale
  
  @return bool Whether the sale has been changed.
  
  @throws \Ekyna\Component\Commerce\Exception\CommerceExceptionInterface