yaffs.net Git - yaffs-website/blob - web/core/modules/user/src/EventSubscriber/UserRequestSubscriber.php

   1 <?php
   2
   3 namespace Drupal\user\EventSubscriber;
   4
   5 use Drupal\Core\Entity\EntityManagerInterface;
   6 use Drupal\Core\Session\AccountInterface;
   7 use Drupal\Core\Site\Settings;
   8 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
   9 use Symfony\Component\HttpKernel\Event\PostResponseEvent;
  10 use Symfony\Component\HttpKernel\KernelEvents;
  11
  12 /**
  13  * Updates the current user's last access time.
  14  */
  15 class UserRequestSubscriber implements EventSubscriberInterface {
  16
  17   /**
  18    * The current account.
  19    *
  20    * @var \Drupal\Core\Session\AccountInterface
  21    */
  22   protected $account;
  23
  24   /**
  25    * The entity manager.
  26    *
  27    * @var \Drupal\Core\Entity\EntityManagerInterface
  28    */
  29   protected $entityManager;
  30
  31   /**
  32    * Constructs a new UserRequestSubscriber.
  33    *
  34    * @param \Drupal\Core\Session\AccountInterface $account
  35    *   The current user.
  36    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
  37    *   The entity manager.
  38    */
  39   public function __construct(AccountInterface $account, EntityManagerInterface $entity_manager) {
  40     $this->account = $account;
  41     $this->entityManager = $entity_manager;
  42   }
  43
  44   /**
  45    * Updates the current user's last access time.
  46    *
  47    * @param \Symfony\Component\HttpKernel\Event\PostResponseEvent $event
  48    *   The event to process.
  49    */
  50   public function onKernelTerminate(PostResponseEvent $event) {
  51     if ($this->account->isAuthenticated() && REQUEST_TIME - $this->account->getLastAccessedTime() > Settings::get('session_write_interval', 180)) {
  52       // Do that no more than once per 180 seconds.
  53       /** @var \Drupal\user\UserStorageInterface $storage */
  54       $storage = $this->entityManager->getStorage('user');
  55       $storage->updateLastAccessTimestamp($this->account, REQUEST_TIME);
  56     }
  57   }
  58
  59   /**
  60    * {@inheritdoc}
  61    */
  62   public static function getSubscribedEvents() {
  63     // Should go before other subscribers start to write their caches. Notably
  64     // before \Drupal\Core\EventSubscriber\KernelDestructionSubscriber to
  65     // prevent instantiation of destructed services.
  66     $events[KernelEvents::TERMINATE][] = ['onKernelTerminate', 300];
  67     return $events;
  68   }
  69
  70 }