src/Event/FlyOutNavigationSubscriber.php line 44

  1. <?php
  3. namespace App\Event;
  5. use App\Service\Navigation\FlyOutNavigationService;
  6. use Sulu\Bundle\PageBundle\Domain\Event\PagePublishedEvent;
  7. use Sulu\Bundle\PageBundle\Domain\Event\PageUnpublishedEvent;
  8. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  9. use Symfony\Component\Filesystem\Exception\FileNotFoundException;
  10. use Symfony\Component\Filesystem\Filesystem;
  12. class FlyOutNavigationSubscriber implements EventSubscriberInterface
  13. {
  14.     private FlyOutNavigationService $flyOutNavigationService;
  16.     private string $flyOutNavigationDir;
  18.     private string $flyOutNavigationPath;
  20.     public function __construct(FlyOutNavigationService $flyOutNavigationService, string $projectDir)
  21.     {
  22.         $this->flyOutNavigationService = $flyOutNavigationService;
  23.         $this->flyOutNavigationDir     = $projectDir . '/navigation';
  24.         $this->flyOutNavigationPath    = $this->flyOutNavigationDir . '/flyOutNavigation.json';
  25.     }
  27.     /**
  28.      * @inheritDoc
  29.      */
  30.     public static function getSubscribedEvents()
  31.     {
  32.         return [
  33.             PagePublishedEvent::class => 'createFlyOutNavigation',
  34.             PageUnpublishedEvent::class => 'createFlyOutNavigation'
  35.         ];
  36.     }
  38.     /**
  39.      * Everytime a page in Backend is published, the fly-out navigation JSON will be updated.
  40.      *
  41.      * @param PagePublishedEvent|PageUnpublishedEvent $event
  42.      * @return void
  43.      */
  44.     public function createFlyOutNavigation(PagePublishedEvent|PageUnpublishedEvent $event): void
  45.     {
  46.         $navigation = $this->flyOutNavigationService->getContentFromDB();
  48.         $content = json_encode($navigation);
  50.         $filesystem = new Filesystem();
  51.         if (!$filesystem->exists($this->flyOutNavigationDir)) {
  52.             $filesystem->mkdir($this->flyOutNavigationDir);
  53.         }
  55.         file_put_contents($this->flyOutNavigationPath, $content);
  57.         if (!file_exists($this->flyOutNavigationPath)) {
  58.             throw new FileNotFoundException('Can not create JSON file for Fly-Out-Navigation!');
  59.         }
  60.     }
  61. }