Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\user\EventSubscriber;
Chris@0: 
Chris@0: use Drupal\Core\Entity\EntityManagerInterface;
Chris@0: use Drupal\Core\Session\AccountInterface;
Chris@0: use Drupal\Core\Site\Settings;
Chris@0: use Symfony\Component\EventDispatcher\EventSubscriberInterface;
Chris@0: use Symfony\Component\HttpKernel\Event\PostResponseEvent;
Chris@0: use Symfony\Component\HttpKernel\KernelEvents;
Chris@0: 
Chris@0: /**
Chris@0:  * Updates the current user's last access time.
Chris@0:  */
Chris@0: class UserRequestSubscriber implements EventSubscriberInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The current account.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Session\AccountInterface
Chris@0:    */
Chris@0:   protected $account;
Chris@0: 
Chris@0:   /**
Chris@0:    * The entity manager.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Entity\EntityManagerInterface
Chris@0:    */
Chris@0:   protected $entityManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a new UserRequestSubscriber.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Session\AccountInterface $account
Chris@0:    *   The current user.
Chris@0:    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
Chris@0:    *   The entity manager.
Chris@0:    */
Chris@0:   public function __construct(AccountInterface $account, EntityManagerInterface $entity_manager) {
Chris@0:     $this->account = $account;
Chris@0:     $this->entityManager = $entity_manager;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Updates the current user's last access time.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\HttpKernel\Event\PostResponseEvent $event
Chris@0:    *   The event to process.
Chris@0:    */
Chris@0:   public function onKernelTerminate(PostResponseEvent $event) {
Chris@0:     if ($this->account->isAuthenticated() && REQUEST_TIME - $this->account->getLastAccessedTime() > Settings::get('session_write_interval', 180)) {
Chris@0:       // Do that no more than once per 180 seconds.
Chris@0:       /** @var \Drupal\user\UserStorageInterface $storage */
Chris@0:       $storage = $this->entityManager->getStorage('user');
Chris@0:       $storage->updateLastAccessTimestamp($this->account, REQUEST_TIME);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function getSubscribedEvents() {
Chris@0:     // Should go before other subscribers start to write their caches. Notably
Chris@0:     // before \Drupal\Core\EventSubscriber\KernelDestructionSubscriber to
Chris@0:     // prevent instantiation of destructed services.
Chris@0:     $events[KernelEvents::TERMINATE][] = ['onKernelTerminate', 300];
Chris@0:     return $events;
Chris@0:   }
Chris@0: 
Chris@0: }