/**
* {@inheritdoc}
*/
public function setParent(CommentInterface $parent)
{
$this->parent = $parent;
if (!$parent->getId()) {
throw new InvalidArgumentException('Parent comment must be persisted.');
}
$ancestors = $parent->getAncestors();
$ancestors[] = $parent->getId();
$this->setAncestors($ancestors);
}
/**
* Adds a comment
*
* @param CommentInterface $comment
*/
public function addComment(CommentInterface $comment)
{
if (null !== $comment->getId()) {
throw new InvalidArgumentException('Can not add already saved comment');
}
if (null === $comment->getThread()) {
throw new InvalidArgumentException('The comment must have a thread');
}
$thread = $comment->getThread();
$thread->incrementNumComments(1);
$thread->setLastCommentAt(new DateTime());
$this->em->persist($thread);
$this->em->persist($comment);
$this->em->flush();
}
