Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\automated_cron\EventSubscriber;
Chris@0: 
Chris@0: use Drupal\Core\Config\ConfigFactoryInterface;
Chris@0: use Drupal\Core\CronInterface;
Chris@0: use Drupal\Core\State\StateInterface;
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:  * A subscriber running cron after a response is sent.
Chris@0:  */
Chris@0: class AutomatedCron implements EventSubscriberInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The cron service.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\CronInterface
Chris@0:    */
Chris@0:   protected $cron;
Chris@0: 
Chris@0:   /**
Chris@0:    * The cron configuration.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Config\Config
Chris@0:    */
Chris@0:   protected $config;
Chris@0: 
Chris@0:   /**
Chris@0:    * The state key value store.
Chris@0:    *
Chris@17:    * @var \Drupal\Core\State\StateInterface
Chris@0:    */
Chris@0:   protected $state;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a new automated cron runner.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\CronInterface $cron
Chris@0:    *   The cron service.
Chris@0:    * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
Chris@0:    *   The config factory.
Chris@0:    * @param \Drupal\Core\State\StateInterface $state
Chris@0:    *   The state key-value store service.
Chris@0:    */
Chris@0:   public function __construct(CronInterface $cron, ConfigFactoryInterface $config_factory, StateInterface $state) {
Chris@0:     $this->cron = $cron;
Chris@0:     $this->config = $config_factory->get('automated_cron.settings');
Chris@0:     $this->state = $state;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Run the automated cron if enabled.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\HttpKernel\Event\PostResponseEvent $event
Chris@0:    *   The Event to process.
Chris@0:    */
Chris@0:   public function onTerminate(PostResponseEvent $event) {
Chris@0:     $interval = $this->config->get('interval');
Chris@0:     if ($interval > 0) {
Chris@0:       $cron_next = $this->state->get('system.cron_last', 0) + $interval;
Chris@0:       if ((int) $event->getRequest()->server->get('REQUEST_TIME') > $cron_next) {
Chris@0:         $this->cron->run();
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Registers the methods in this class that should be listeners.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   An array of event listener definitions.
Chris@0:    */
Chris@0:   public static function getSubscribedEvents() {
Chris@0:     return [KernelEvents::TERMINATE => [['onTerminate', 100]]];
Chris@0:   }
Chris@0: 
Chris@0: }