SocialCommentBreadcrumbBuilder.php in Open Social 8

Namespace

Drupal\social_comment

File

modules/social_features/social_comment/src/SocialCommentBreadcrumbBuilder.php

<?php

namespace Drupal\social_comment;

use Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface;
use Drupal\Core\Breadcrumb\Breadcrumb;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Link;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\Url;

/**
 * Class to define the comment breadcrumb builder.
 */
class SocialCommentBreadcrumbBuilder implements BreadcrumbBuilderInterface {
  use StringTranslationTrait;

  /**
   * The comment storage.
   *
   * @var \Drupal\Core\Entity\EntityStorageInterface
   */
  protected $storage;

  /**
   * Constructs the SocialCommentBreadcrumbBuilder.
   *
   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
   *   The entity manager.
   */
  public function __construct(EntityManagerInterface $entity_manager) {
    $this->storage = $entity_manager
      ->getStorage('comment');
  }

  /**
   * {@inheritdoc}
   */
  public function applies(RouteMatchInterface $route_match) {
    $comments_routes = [
      'comment.reply',
      'entity.comment.edit_form',
      'entity.comment.delete_form',
    ];
    return in_array($route_match
      ->getRouteName(), $comments_routes);
  }

  /**
   * {@inheritdoc}
   */
  public function build(RouteMatchInterface $route_match) {
    $breadcrumb = new Breadcrumb();
    $breadcrumb
      ->addCacheContexts([
      'route',
    ]);
    $breadcrumb
      ->addLink(Link::createFromRoute($this
      ->t('Home'), '<front>'));
    $breadcrumb
      ->addLink(Link::createFromRoute($this
      ->t('Home'), '<front>'));
    switch ($route_match
      ->getRouteName()) {
      case 'comment.reply':
        $page_title = $this
          ->t('Reply to Comment');
        $pid = $route_match
          ->getParameter('pid');
        $comment = $this->storage
          ->load($pid);
        break;
      case 'entity.comment.edit_form':
        $page_title = $this
          ->t('Edit Comment');
        $comment = $route_match
          ->getParameter('comment');
        break;
      case 'entity.comment.delete_form':
        $page_title = $this
          ->t('Delete Comment');
        $comment = $route_match
          ->getParameter('comment');
        break;
      default:
        $page_title = $this
          ->t('Comment');
    }

    // Add Entity path to Breadcrumb for Reply.
    if ($route_match
      ->getParameter('entity')) {
      $entity = $route_match
        ->getParameter('entity');
      $breadcrumb
        ->addLink(new Link($entity
        ->label(), $entity
        ->urlInfo()));
      $breadcrumb
        ->addCacheableDependency($entity);
    }

    // Add Caching.
    if ($comment) {
      $breadcrumb
        ->addCacheableDependency($comment);
    }

    // Display link to current page.
    $breadcrumb
      ->addLink(new Link($page_title, Url::fromRoute('<current>')));
    return $breadcrumb;
  }

}

Classes

Name	Description
SocialCommentBreadcrumbBuilder	Class to define the comment breadcrumb builder.