public function PromotionOrderProcessor::preprocess in Commerce Core 8.2

Preprocesses an order.

Parameters

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

Overrides OrderPreprocessorInterface::preprocess

File

modules/promotion/src/PromotionOrderProcessor.php, line 47

Class

PromotionOrderProcessor

Applies promotions to orders during the order refresh process.

Namespace

Drupal\commerce_promotion

Code

public function preprocess(OrderInterface $order) {

  // Collect the promotion adjustments, to give promotions a chance to clear
  // any potential modifications made to the order prior to refreshing it.
  $promotion_ids = [];
  foreach ($order
    ->collectAdjustments([
    'promotion',
  ]) as $adjustment) {
    if (empty($adjustment
      ->getSourceId())) {
      continue;
    }
    $promotion_ids[] = $adjustment
      ->getSourceId();
  }

  // Additionally, promotions may have altered the order without actually
  // adding promotion adjustments to the order, in this case, we need to
  // inspect the order item data to see if arbitrary data was stored by
  // promotion offers.
  // This will eventually need to be replaced by a proper solution at some
  // point once we have a more reliable way to figure out what the applied
  // promotions are.
  foreach ($order
    ->getItems() as $order_item) {
    if ($order_item
      ->get('data')
      ->isEmpty()) {
      continue;
    }
    $data = $order_item
      ->get('data')
      ->first()
      ->getValue();
    foreach ($data as $key => $value) {
      $key_parts = explode(':', $key);

      // Skip order item data keys that are not starting by
      // "promotion:<promotion_id>".
      if (count($key_parts) === 1 || $key_parts[0] !== 'promotion' || !is_numeric($key_parts[1])) {
        continue;
      }
      $promotion_ids[] = $key_parts[1];
    }
  }

  // No promotions were found, stop here.
  if (!$promotion_ids) {
    return;
  }
  $promotion_ids = array_unique($promotion_ids);

  /** @var \Drupal\commerce_promotion\PromotionStorageInterface $promotion_storage */
  $promotion_storage = $this->entityTypeManager
    ->getStorage('commerce_promotion');
  $promotions = $promotion_storage
    ->loadMultiple($promotion_ids);

  /** @var \Drupal\commerce_promotion\Entity\PromotionInterface $promotion */
  foreach ($promotions as $promotion) {
    $promotion
      ->clear($order);
  }
}