/**
* Removes URL alias of a rolled back entity.
*
* This fills the gap of URL aliases not being deleted when a entity is
* removed. This event listener should be removed when
* https://www.drupal.org/node/2539634 is fixed.
*
* @param \Drupal\migrate\Event\MigrateRowDeleteEvent $event
* @param $name
*/
public function removeUrlAlias(MigrateRowDeleteEvent $event, $name)
{
$migration = $event->getMigration();
$entity_type_id = substr($migration->getDestinationPlugin()->getPluginDefinition()['id'], strlen('entity:'));
$entity_type_manager = \Drupal::entityTypeManager()->getDefinition($entity_type_id);
// Check if canonical route is available.
if ($entity_type_manager->getLinkTemplate('canonical')) {
// Get destination entity id.
$destination_entity_id = $event->getDestinationIdValues()[$entity_type_manager->getKeys()['id']];
// Get Url object of the entity path.
$url = Url::fromRoute("entity.{$entity_type_id}.canonical", [$entity_type_id => $destination_entity_id]);
// Remove URL alias of the destination entity.
\Drupal::service('path.alias_storage')->delete(array('source' => '/' . $url->getInternalPath()));
}
}
/**
* Reacts to item deletion.
*
* @param \Drupal\migrate\Event\MigrateRowDeleteEvent $event
* The post-save event.
*/
public static function onPostRowDelete(MigrateRowDeleteEvent $event)
{
// We want to interrupt this batch and start a fresh one.
if (time() - REQUEST_TIME > static::$maxExecTime) {
$event->getMigration()->interruptMigration(MigrationInterface::RESULT_INCOMPLETE);
}
}