commerce_product_bundles-8.x-1.0/src/EventSubscriber/BundleDuplicateSubscriber.php

<?php

namespace Drupal\commerce_product_bundles\EventSubscriber;

use Drupal\entity\BundleEntityDuplicatorInterface;
use Drupal\entity\Event\EntityDuplicateEvent;
use Drupal\entity\Event\EntityEvents;
use Drupal\commerce_product_bundles\Entity\ProductBundleInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

class BundleDuplicateSubscriber implements EventSubscriberInterface {

  /**
   * The bundle entity duplicator.
   *
   * @var \Drupal\entity\BundleEntityDuplicatorInterface
   */
  protected $bundleEntityDuplicator;

  /**
   * BundleDuplicateSubscriber constructor.
   *
   * @param \Drupal\entity\BundleEntityDuplicatorInterface $bundle_entity_duplicator
   */
  public function __construct(BundleEntityDuplicatorInterface $bundle_entity_duplicator) {
    $this->bundleEntityDuplicator = $bundle_entity_duplicator;
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events = [
      EntityEvents::ENTITY_DUPLICATE => ['onEntityDuplicate'],
    ];

    return $events;
  }

  /**
   * Duplicates product bundle bundle variations.
   *
   * @param \Drupal\entity\Event\EntityDuplicateEvent $event
   *   The entity duplicate event.
   */
  public function onEntityDuplicate(EntityDuplicateEvent $event) {
    $entity = $event->getEntity();
    if ($entity instanceof ProductBundleInterface) {
      $source_eck = $event->getSourceEntity();
      // Clone each bundle variation.
      if ($source_eck->hasVariations()) {
        $duplicatedVariations = [];
        foreach ($source_eck->getVariations() as $bundleVariation) {
          $duplicateVariationEntity = $bundleVariation->createDuplicate();
          $duplicateVariationEntity->setTitle($duplicateVariationEntity->getTitle() . ' - copy');
          $duplicateVariationEntity->product_bundle_id = $entity->id();
          $duplicateVariationEntity->save();

          $duplicatedVariations[] = $duplicateVariationEntity;
        }

        // Set bundle variations.
        $entity->setVariations($duplicatedVariations);
      }
    }
  }

}