aleph1.co.uk Git - yaffs-website/blob - web/core/modules/forum/src/Breadcrumb/ForumNodeBreadcrumbBuilder.php

   1 <?php
   2
   3 namespace Drupal\forum\Breadcrumb;
   4
   5 use Drupal\Core\Link;
   6 use Drupal\Core\Routing\RouteMatchInterface;
   7
   8 /**
   9  * Breadcrumb builder for forum nodes.
  10  */
  11 class ForumNodeBreadcrumbBuilder extends ForumBreadcrumbBuilderBase {
  12
  13   /**
  14    * {@inheritdoc}
  15    */
  16   public function applies(RouteMatchInterface $route_match) {
  17     return $route_match->getRouteName() == 'entity.node.canonical'
  18       && $route_match->getParameter('node')
  19       && $this->forumManager->checkNodeType($route_match->getParameter('node'));
  20   }
  21
  22   /**
  23    * {@inheritdoc}
  24    */
  25   public function build(RouteMatchInterface $route_match) {
  26     $breadcrumb = parent::build($route_match);
  27     $breadcrumb->addCacheContexts(['route']);
  28
  29     $parents = $this->forumManager->getParents($route_match->getParameter('node')->forum_tid);
  30     if ($parents) {
  31       $parents = array_reverse($parents);
  32       foreach ($parents as $parent) {
  33         $breadcrumb->addCacheableDependency($parent);
  34         $breadcrumb->addLink(Link::createFromRoute($parent->label(), 'forum.page',
  35           [
  36             'taxonomy_term' => $parent->id(),
  37           ]
  38         ));
  39       }
  40     }
  41
  42     return $breadcrumb;
  43   }
  44
  45 }