aleph1.co.uk Git - yaffs-website/blob - src/Breadcrumb/ForumBreadcrumbBuilderBase.php

   1 <?php
   2
   3 namespace Drupal\forum\Breadcrumb;
   4
   5 use Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface;
   6 use Drupal\Core\Breadcrumb\Breadcrumb;
   7 use Drupal\Core\Config\ConfigFactoryInterface;
   8 use Drupal\Core\Entity\EntityManagerInterface;
   9 use Drupal\Core\Link;
  10 use Drupal\Core\Routing\RouteMatchInterface;
  11 use Drupal\Core\StringTranslation\StringTranslationTrait;
  12 use Drupal\Core\StringTranslation\TranslationInterface;
  13 use Drupal\forum\ForumManagerInterface;
  14
  15 /**
  16  * Provides a forum breadcrumb base class.
  17  *
  18  * This just holds the dependency-injected config, entity manager, and forum
  19  * manager objects.
  20  */
  21 abstract class ForumBreadcrumbBuilderBase implements BreadcrumbBuilderInterface {
  22   use StringTranslationTrait;
  23
  24   /**
  25    * Configuration object for this builder.
  26    *
  27    * @var \Drupal\Core\Config\Config
  28    */
  29   protected $config;
  30
  31   /**
  32    * The entity manager.
  33    *
  34    * @var \Drupal\Core\Entity\EntityManagerInterface
  35    */
  36   protected $entityManager;
  37
  38   /**
  39    * The forum manager service.
  40    *
  41    * @var \Drupal\forum\ForumManagerInterface
  42    */
  43   protected $forumManager;
  44
  45   /**
  46    * The taxonomy term storage.
  47    *
  48    * @var \Drupal\taxonomy\TermStorageInterface
  49    */
  50   protected $termStorage;
  51
  52   /**
  53    * Constructs a forum breadcrumb builder object.
  54    *
  55    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
  56    *   The entity manager.
  57    * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
  58    *   The configuration factory.
  59    * @param \Drupal\forum\ForumManagerInterface $forum_manager
  60    *   The forum manager service.
  61    * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
  62    *   The string translation service.
  63    */
  64   public function __construct(EntityManagerInterface $entity_manager, ConfigFactoryInterface $config_factory, ForumManagerInterface $forum_manager, TranslationInterface $string_translation) {
  65     $this->entityManager = $entity_manager;
  66     $this->config = $config_factory->get('forum.settings');
  67     $this->forumManager = $forum_manager;
  68     $this->setStringTranslation($string_translation);
  69     $this->termStorage = $entity_manager->getStorage('taxonomy_term');
  70   }
  71
  72   /**
  73    * {@inheritdoc}
  74    */
  75   public function build(RouteMatchInterface $route_match) {
  76     $breadcrumb = new Breadcrumb();
  77     $breadcrumb->addCacheContexts(['route']);
  78
  79     $links[] = Link::createFromRoute($this->t('Home'), '<front>');
  80
  81     $vocabulary = $this->entityManager
  82       ->getStorage('taxonomy_vocabulary')
  83       ->load($this->config->get('vocabulary'));
  84     $breadcrumb->addCacheableDependency($vocabulary);
  85     $links[] = Link::createFromRoute($vocabulary->label(), 'forum.index');
  86
  87     return $breadcrumb->setLinks($links);
  88   }
  89
  90 }