/**
* Publishes the specified comment.
*
* @param \Drupal\comment\CommentInterface $comment
* A comment entity.
*
* @return \Symfony\Component\HttpFoundation\RedirectResponse.
* Redirects to the permalink URL for this comment.
*/
public function commentApprove(CommentInterface $comment)
{
$comment->setPublished(TRUE);
$comment->save();
drupal_set_message($this->t('Comment approved.'));
$permalink_uri = $comment->permalink();
$permalink_uri->setAbsolute();
return new RedirectResponse($permalink_uri->toString());
}
