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<?php
namespace Drupal\file\FileUsage;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\file\FileInterface;
/**
* Defines the base class for database file usage backend.
*/
abstract class FileUsageBase implements FileUsageInterface {
/**
* The config factory.
*
* @var \Drupal\Core\Config\ConfigFactoryInterface
*/
protected $configFactory;
/**
* Creates a FileUsageBase object.
*
* @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
* The config factory.
*/
public function __construct(ConfigFactoryInterface $config_factory) {
$this->configFactory = $config_factory;
}
/**
* {@inheritdoc}
*/
public function add(FileInterface $file, $module, $type, $id, $count = 1) {
// Make sure that a used file is permanent.
if (!$file->isPermanent()) {
$file->setPermanent();
$file->save();
}
}
/**
* {@inheritdoc}
*/
public function delete(FileInterface $file, $module, $type = NULL, $id = NULL, $count = 1) {
// Do not actually mark files as temporary when the behavior is disabled.
if (!$this->configFactory->get('file.settings')->get('make_unused_managed_files_temporary')) {
return;
}
// If there are no more remaining usages of this file, mark it as temporary,
// which result in a delete through system_cron().
$usage = \Drupal::service('file.usage')->listUsage($file);
if (empty($usage)) {
$file->setTemporary();
$file->save();
}
}
}
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