function file_cron in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/modules/file/file.module \file_cron()

Implements hook_cron().

File

core/modules/file/file.module, line 628

Defines a "managed_file" Form API field and a "file" field for Field module.

Code

function file_cron() {
  $age = \Drupal::config('system.file')
    ->get('temporary_maximum_age');
  $file_storage = \Drupal::entityManager()
    ->getStorage('file');

  // Only delete temporary files if older than $age. Note that automatic cleanup
  // is disabled if $age set to 0.
  if ($age) {
    $fids = Drupal::entityQuery('file')
      ->condition('status', FILE_STATUS_PERMANENT, '<>')
      ->condition('changed', REQUEST_TIME - $age, '<')
      ->range(0, 100)
      ->execute();
    $files = $file_storage
      ->loadMultiple($fids);
    foreach ($files as $file) {
      $references = \Drupal::service('file.usage')
        ->listUsage($file);
      if (empty($references)) {
        if (file_exists($file
          ->getFileUri())) {
          $file
            ->delete();
        }
        else {
          \Drupal::logger('file system')
            ->error('Could not delete temporary file "%path" during garbage collection', array(
            '%path' => $file
              ->getFileUri(),
          ));
        }
      }
      else {
        \Drupal::logger('file system')
          ->info('Did not delete temporary file "%path" during garbage collection because it is in use by the following modules: %modules.', array(
          '%path' => $file
            ->getFileUri(),
          '%modules' => implode(', ', array_keys($references)),
        ));
      }
    }
  }
}