class UserRequestSubscriber in Drupal 8

Updates the current user's last access time.

Hierarchy

• class \Drupal\user\EventSubscriber\UserRequestSubscriber implements \Symfony\Component\EventDispatcher\EventSubscriberInterface uses DeprecatedServicePropertyTrait

1 string reference to 'UserRequestSubscriber'

user.services.yml in core/modules/user/user.services.yml

core/modules/user/user.services.yml

1 service uses UserRequestSubscriber

user_last_access_subscriber in core/modules/user/user.services.yml

Drupal\user\EventSubscriber\UserRequestSubscriber

File

core/modules/user/src/EventSubscriber/UserRequestSubscriber.php, line 16

Namespace

Drupal\user\EventSubscriber

class UserRequestSubscriber implements EventSubscriberInterface {
  use DeprecatedServicePropertyTrait;

  /**
   * {@inheritdoc}
   */
  protected $deprecatedProperties = [
    'entityManager' => 'entity.manager',
  ];

  /**
   * The current account.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $account;

  /**
   * The entity type manager service.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * Constructs a new UserRequestSubscriber.
   *
   * @param \Drupal\Core\Session\AccountInterface $account
   *   The current user.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager service.
   */
  public function __construct(AccountInterface $account, EntityTypeManagerInterface $entity_type_manager) {
    $this->account = $account;
    $this->entityTypeManager = $entity_type_manager;
  }

  /**
   * Updates the current user's last access time.
   *
   * @param \Symfony\Component\HttpKernel\Event\PostResponseEvent $event
   *   The event to process.
   */
  public function onKernelTerminate(PostResponseEvent $event) {
    if ($this->account
      ->isAuthenticated() && REQUEST_TIME - $this->account
      ->getLastAccessedTime() > Settings::get('session_write_interval', 180)) {

      // Do that no more than once per 180 seconds.

      /** @var \Drupal\user\UserStorageInterface $storage */
      $storage = $this->entityTypeManager
        ->getStorage('user');
      $storage
        ->updateLastAccessTimestamp($this->account, REQUEST_TIME);
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {

    // Should go before other subscribers start to write their caches. Notably
    // before \Drupal\Core\EventSubscriber\KernelDestructionSubscriber to
    // prevent instantiation of destructed services.
    $events[KernelEvents::TERMINATE][] = [
      'onKernelTerminate',
      300,
    ];
    return $events;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DeprecatedServicePropertyTrait::__get	public	function	Allows to access deprecated/removed properties.
UserRequestSubscriber::$account	protected	property	The current account.
UserRequestSubscriber::$deprecatedProperties	protected	property
UserRequestSubscriber::$entityTypeManager	protected	property	The entity type manager service.
UserRequestSubscriber::getSubscribedEvents	public static	function	Returns an array of event names this subscriber wants to listen to.
UserRequestSubscriber::onKernelTerminate	public	function	Updates the current user's last access time.
UserRequestSubscriber::__construct	public	function	Constructs a new UserRequestSubscriber.