vendor/contao/news-bundle/src/EventListener/PreviewUrlConvertListener.php line 36

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  1. <?php
  3. declare(strict_types=1);
  5. /*
  6. * This file is part of Contao.
  7. *
  8. * (c) Leo Feyer
  9. *
  10. * @license LGPL-3.0-or-later
  11. */
  13. namespace Contao\NewsBundle\EventListener;
  15. use Contao\CoreBundle\Event\PreviewUrlConvertEvent;
  16. use Contao\CoreBundle\Framework\ContaoFramework;
  17. use Contao\News;
  18. use Contao\NewsModel;
  19. use Symfony\Component\HttpFoundation\Request;
  21. /**
  22. * @internal
  23. */
  24. class PreviewUrlConvertListener
  25. {
  26. private ContaoFramework $framework;
  28. public function __construct(ContaoFramework $framework)
  29. {
  30. $this->framework = $framework;
  31. }
  33. /**
  34. * Adds the front end preview URL to the event.
  35. */
  36. public function __invoke(PreviewUrlConvertEvent $event): void
  37. {
  38. if (!$this->framework->isInitialized()) {
  39. return;
  40. }
  42. if (null === ($news = $this->getNewsModel($event->getRequest()))) {
  43. return;
  44. }
  46. $event->setUrl($this->framework->getAdapter(News::class)->generateNewsUrl($news, false, true));
  47. }
  49. private function getNewsModel(Request $request): ?NewsModel
  50. {
  51. if (!$request->query->has('news')) {
  52. return null;
  53. }
  55. return $this->framework->getAdapter(NewsModel::class)->findByPk($request->query->get('news'));
  56. }
  57. }