code: private function updatePrice(StockUnitInterface $stockUnit)
      {
          $price = null;
  
          if (null !== $item = $stockUnit->getSupplierOrderItem()) {
              if (null === $order = $item->getOrder()) {
                  throw new StockLogicException("Supplier order item's order must be set at this point.");
              }
  
              $currency = $order->getCurrency()->getCode();
              $date = $order->getPaymentDate();
              if ($date > new \DateTime()) {
                  $date = null;
              }
  
              $price = $this->currencyConverter->convert($item->getNetPrice(), $currency, null, $date);
          }
  
          if (0 !== Money::compare($stockUnit->getNetPrice(), $price, $this->currencyConverter->getDefaultCurrency())) {
              $stockUnit->setNetPrice($price);
  
              return true;
          }
  
          return false;
      }
docs: Updates the stock unit price.
  
  @param StockUnitInterface $stockUnit
  
  @return bool Whether or not the net price has been updated.
  
  @throws \Ekyna\Component\Commerce\Exception\LogicException