public function DonateOrderProcessor::process in Commerce Donate 8

Processes an order.

Parameters

\Drupal\commerce_order\Entity\OrderInterface $order: The order.

Overrides OrderProcessorInterface::process

File

src/DonateOrderProcessor.php, line 63

Class

DonateOrderProcessor

Adjust Currency of Donation when Order Changes currency.

Namespace

Drupal\commerce_donate

Code

public function process(OrderInterface $order) {

  // Try to find an existing order item.
  foreach ($order
    ->getItems() as $order_item) {
    if ($order_item
      ->bundle() == 'donation') {
      $donation_order_item = $order_item;
      break;
    }
  }
  if (isset($donation_order_item)) {

    // Get order total.
    $total = $order
      ->getTotalPrice();

    // Get main currency.
    $resolved_currency = $this->currentCurrency
      ->getCurrency();

    // This is used only to ensure that order have resolved currency.
    // In combination with check on order load we can ensure that currency is
    // same accross entire order.
    // This solution provides avoiding constant recalculation
    // on order load event on currency switch (if we don't explicitly set
    // currency for total price when we switch currency.
    // @see \Drupal\commerce_currency_resolver\EventSubscriber\OrderCurrencyRefresh
    if ($total
      ->getCurrencyCode() !== $resolved_currency && $this
      ->shouldCurrencyRefresh($order)) {
      $amount = $donation_order_item
        ->getUnitPrice()
        ->getNumber();
      $donation_order_item->unit_price = [
        'number' => $amount,
        'currency_code' => $resolved_currency,
      ];
      $currency_formatter = \Drupal::service('commerce_price.currency_formatter');
      $amount_label = $currency_formatter
        ->format($amount, $resolved_currency);
      $donation_order_item->title = t('@amount donation', [
        '@amount' => $amount_label,
      ]);
      $donation_order_item
        ->save();

      // Save order.
      $order
        ->save();
    }
  }
}