public function PropertyFlag::process in User Merge 2.x

Process merge on selected property.

Parameters

\Drupal\user\UserInterface $retired: Retired account.

\Drupal\user\UserInterface $retained: Retained account.

array $settings: Review settings.

Throws

\Drupal\usermerge\Exception\UserMergeException

Overrides UserMergePropertyPluginInterface::process

File

src/Plugin/UserMerge/Property/PropertyFlag.php, line 72

Class

PropertyFlag

Class PropertyFlag.

Namespace

Drupal\usermerge\Plugin\UserMerge\Property

Code

public function process(UserInterface $retired, UserInterface $retained, array $settings = []) : void {
  try {
    $flagging_storage = $this->entityTypeManager
      ->getStorage('flagging');
  } catch (PluginNotFoundException|InvalidPluginDefinitionException $e) {
    throw new UserMergeException('Storage for flagging entity has not been found.');
  }
  $flaggings_ids = $flagging_storage
    ->getQuery()
    ->condition('uid', $retired
    ->id())
    ->sort('flag_id')
    ->execute();

  /** @var \Drupal\flag\FlaggingInterface[] $flaggings */
  $flaggings = $flagging_storage
    ->loadMultiple($flaggings_ids);
  try {
    foreach ($flaggings as $flagging) {
      $flag = $flagging
        ->getFlag();
      $entity = $flagging
        ->getFlaggable();
      if (!$flag
        ->isFlagged($entity, $retained)) {
        $flagging
          ->setOwner($retained);
        $flagging
          ->save();
      }
    }
  } catch (EntityStorageException $e) {
    throw new UserMergeException('An error occurred during flag reassignment.');
  }
}