public static function Newsletter::postDelete in Simplenews 3.x

Same name and namespace in other branches

1. 8.2 src/Entity/Newsletter.php \Drupal\simplenews\Entity\Newsletter::postDelete()
2. 8 src/Entity/Newsletter.php \Drupal\simplenews\Entity\Newsletter::postDelete()

Acts on deleted entities before the delete hook is invoked.

Used after the entities are deleted but before invoking the delete hook.

Parameters

\Drupal\Core\Entity\EntityStorageInterface $storage: The entity storage object.

\Drupal\Core\Entity\EntityInterface[] $entities: An array of entities.

Overrides EntityBase::postDelete

File

src/Entity/Newsletter.php, line 172

Class

Newsletter

Defines the simplenews newsletter entity.

Namespace

Drupal\simplenews\Entity

Code

public static function postDelete(EntityStorageInterface $storage, array $entities) {
  parent::postDelete($storage, $entities);

  /** @var \Drupal\simplenews\Subscription\SubscriptionStorageInterface $subscription_storage */
  $subscription_storage = \Drupal::entityTypeManager()
    ->getStorage('simplenews_subscriber');
  foreach ($entities as $newsletter) {
    $subscription_storage
      ->deleteSubscriptions([
      'subscriptions_target_id' => $newsletter
        ->id(),
    ]);
    \Drupal::messenger()
      ->addMessage(t('All subscriptions to newsletter %newsletter have been deleted.', [
      '%newsletter' => $newsletter
        ->label(),
    ]));
  }
  if (\Drupal::moduleHandler()
    ->moduleExists('block')) {

    // Make sure there are no active blocks for these newsletters.
    $ids = \Drupal::entityQuery('block')
      ->condition('plugin', 'simplenews_subscription_block')
      ->condition('settings.newsletters.*', array_keys($entities), 'IN')
      ->execute();
    if ($ids) {
      $blocks = Block::loadMultiple($ids);
      foreach ($blocks as $block) {
        $settings = $block
          ->get('settings');
        foreach ($entities as $newsletter) {
          if (in_array($newsletter
            ->id(), $settings['newsletters'])) {
            unset($settings['newsletters'][array_search($newsletter
              ->id(), $settings['newsletters'])]);
          }
        }

        // If there are no enabled newsletters left, delete the block.
        if (empty($settings['newsletters'])) {
          $block
            ->delete();
        }
        else {

          // otherwise, update the settings and save.
          $block
            ->set('settings', $settings);
          $block
            ->save();
        }
      }
    }
  }
}