function CommentHooks::entityView

Implements hook_entity_view().

File

core/modules/comment/src/Hook/CommentHooks.php, line 192

Class

CommentHooks

Hook implementations for comment.

Namespace

Code

public function entityView(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display, $view_mode) {
    if ($entity instanceof FieldableEntityInterface && $view_mode == 'rss' && $display->getComponent('links')) {
        
        /** @var \Drupal\comment\CommentManagerInterface $comment_manager */
        $comment_manager = \Drupal::service('comment.manager');
        $fields = $comment_manager->getFields($entity->getEntityTypeId());
        foreach ($fields as $field_name => $detail) {
            if ($entity->hasField($field_name) && $entity->get($field_name)->status != CommentItemInterface::HIDDEN) {
                // Add a comments RSS element which is a URL to the comments of this
                // entity.
                $options = [
                    'fragment' => 'comments',
                    'absolute' => TRUE,
                ];
                $entity->rss_elements[] = [
                    'key' => 'comments',
                    'value' => $entity->toUrl('canonical', $options)
                        ->toString(),
                ];
            }
        }
    }
}