vendor/contao/core-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\CoreBundle\EventListener;
  15. use Contao\ArticleModel;
  16. use Contao\CoreBundle\Event\PreviewUrlConvertEvent;
  17. use Contao\CoreBundle\Framework\ContaoFramework;
  18. use Contao\PageModel;
  19. use Symfony\Component\HttpFoundation\Request;
  21. /**
  22.  * @internal
  23.  */
  24. class PreviewUrlConvertListener
  25. {
  26.     /**
  27.      * @var ContaoFramework
  28.      */
  29.     private $framework;
  31.     public function __construct(ContaoFramework $framework)
  32.     {
  33.         $this->framework = $framework;
  34.     }
  36.     public function __invoke(PreviewUrlConvertEvent $event): void
  37.     {
  38.         if (!$this->framework->isInitialized()) {
  39.             return;
  40.         }
  42.         $request = $event->getRequest();
  44.         if ($request->query->has('url')) {
  45.             $event->setUrl($request->getBaseUrl().'/'.$request->query->get('url'));
  47.             return;
  48.         }
  50.         if ($request->query->has('page')) {
  51.             /** @var PageModel $pageAdapter */
  52.             $pageAdapter = $this->framework->getAdapter(PageModel::class);
  54.             if (!$page = $pageAdapter->findWithDetails($request->query->get('page'))) {
  55.                 return;
  56.             }
  58.             $event->setUrl($page->getPreviewUrl($this->getParams($request)));
  59.         }
  60.     }
  62.     private function getParams(Request $request): ?string
  63.     {
  64.         if (!$request->query->has('article')) {
  65.             return null;
  66.         }
  68.         /** @var ArticleModel $articleAdapter */
  69.         $articleAdapter = $this->framework->getAdapter(ArticleModel::class);
  71.         if (!$article = $articleAdapter->findByAlias($request->query->get('article'))) {
  72.             return null;
  73.         }
  75.         // Add the /article/ fragment (see contao/core-bundle#673)
  76.         return sprintf('/articles/%s%s', 'main' !== $article->inColumn ? $article->inColumn.':' : '', $article->alias);
  77.     }
  78. }