FileUsageMigrateSubscriber.php in Multiversion 8
Namespace
Drupal\multiversion\EventSubscriberFile
src/EventSubscriber/FileUsageMigrateSubscriber.phpView source
<?php
namespace Drupal\multiversion\EventSubscriber;
use Drupal\Core\Database\Connection;
use Drupal\Core\Extension\ModuleHandler;
use Drupal\multiversion\Event\MultiversionManagerEvent;
use Drupal\multiversion\Event\MultiversionManagerEvents;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
/**
* FileUsageMigrateSubscriber class.
*
* Records in the file usage table associated with the migrated entity type
* needs to be removed, they will be automatically re-created when this entity
* type records will be migrated back by file field handler.
*/
class FileUsageMigrateSubscriber implements EventSubscriberInterface {
/**
* @var \Drupal\Core\Database\Connection
*/
protected $connection;
/**
* @var \Drupal\Core\Extension\ModuleHandler
*/
protected $moduleHandler;
/**
* Class constructor.
*
* @param \Drupal\Core\Database\Connection $connection
* @param \Drupal\Core\Extension\ModuleHandler $module_handler
*/
public function __construct(Connection $connection, ModuleHandler $module_handler) {
$this->connection = $connection;
$this->moduleHandler = $module_handler;
}
/**
* Remove file usage records associated with the migrated entity type.
*
* @param \Drupal\multiversion\Event\MultiversionManagerEvent $event
*/
public function onPreMigrateFileUsage(MultiversionManagerEvent $event) {
if ($this->moduleHandler
->moduleExists('file')) {
foreach ($event
->getEntityTypes() as $entity_type) {
$type = $entity_type
->id();
$this->connection
->delete('file_usage')
->condition('type', $type)
->execute();
}
}
}
/**
* {@inheritdoc}
*/
public static function getSubscribedEvents() {
return [
MultiversionManagerEvents::PRE_MIGRATE => [
'onPreMigrateFileUsage',
],
];
}
}
Classes
Name![]() |
Description |
---|---|
FileUsageMigrateSubscriber | FileUsageMigrateSubscriber class. |