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drupalcampbristol/core/modules/node/src/Controller/NodeViewController.php

63 lines
1.5 KiB
PHP

<?php
/**
* @file
* Contains \Drupal\node\Controller\NodeViewController.
*/
namespace Drupal\node\Controller;
use Drupal\Component\Utility\SafeMarkup;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\Controller\EntityViewController;
/**
* Defines a controller to render a single node.
*/
class NodeViewController extends EntityViewController {
/**
* {@inheritdoc}
*/
public function view(EntityInterface $node, $view_mode = 'full', $langcode = NULL) {
$build = parent::view($node);
foreach ($node->uriRelationships() as $rel) {
// Set the node path as the canonical URL to prevent duplicate content.
$build['#attached']['html_head_link'][] = array(
array(
'rel' => $rel,
'href' => $node->url($rel),
),
TRUE,
);
if ($rel == 'canonical') {
// Set the non-aliased canonical path as a default shortlink.
$build['#attached']['html_head_link'][] = array(
array(
'rel' => 'shortlink',
'href' => $node->url($rel, array('alias' => TRUE)),
),
TRUE,
);
}
}
return $build;
}
/**
* The _title_callback for the page that renders a single node.
*
* @param \Drupal\Core\Entity\EntityInterface $node
* The current node.
*
* @return string
* The page title.
*/
public function title(EntityInterface $node) {
return SafeMarkup::checkPlain($this->entityManager->getTranslationFromContext($node)->label());
}
}