/**
* Compares the comments score.
*
* @param CommentInterface $a
* @param CommentInterface $b
* @return -1|0|1 As expected for uasort()
*/
protected function compare(CommentInterface $a, CommentInterface $b)
{
if ($a->getScore() == $b->getScore()) {
return 0;
}
return $a->getScore() < $b->getScore() ? -1 : 1;
}
/**
* Checks if the Security token is allowed to delete a specific Comment.
*
* @param CommentInterface $comment
* @return boolean
*/
public function canDelete(CommentInterface $comment)
{
if ($comment instanceof SignedCommentInterface) {
if ($comment->getAuthor() == $this->securityContext->getToken()->getUser() || $this->securityContext->getToken()->getUser()->isVp()) {
return true;
}
}
return parent::canDelete($comment);
}
/**
* Compares the comments score divided by the number of days since the 1970.
*
* The end result is a comment that is newer with tje same votes will be ranked
* higher.
*
* @param CommentInterface $a
* @param CommentInterface $b
* @return -1|0|1 As expected for uasort()
*/
protected function compare(CommentInterface $a, CommentInterface $b)
{
$aScore = $a->getScore() / ($a->getCreatedAt()->getTimestamp() / 60 / 60 / 24);
$bScore = $b->getScore() / ($b->getCreatedAt()->getTimestamp() / 60 / 60 / 24);
if ($aScore == $bScore) {
return 0;
}
return $aScore < $bScore ? -1 : 1;
}
/**
* Assigns the currently logged in user to a Comment.
*
* @throws InvalidArgumentException when the Comment is not a SignedCommentInterface
* @param CommentInterface $comment
* @return void
*/
public function blame(CommentInterface $comment)
{
if (!$comment instanceof SignedCommentInterface) {
throw new InvalidArgumentException('The comment must implement SignedCommentInterface');
}
if (null === $this->securityContext->getToken()) {
throw new RuntimeException('You must configure a firewall for this route');
}
if ($this->securityContext->isGranted('IS_AUTHENTICATED_REMEMBERED')) {
$comment->setAuthor($this->securityContext->getToken()->getUser());
}
}
/**
* {@inheritdoc}
*/
public function saveComment(CommentInterface $comment)
{
if (null === $comment->getThread()) {
throw new InvalidArgumentException('The comment must have a thread');
}
$event = new CommentPersistEvent($comment);
$this->dispatcher->dispatch(Events::COMMENT_PRE_PERSIST, $event);
if ($event->isPersistenceAborted()) {
return false;
}
$this->doSaveComment($comment);
$event = new CommentEvent($comment);
$this->dispatcher->dispatch(Events::COMMENT_POST_PERSIST, $event);
return true;
}
/**
* {@inheritDoc}
*/
public function saveComment(CommentInterface $comment)
{
if (!$this->threadAcl->canView($comment->getThread())) {
throw new AccessDeniedException();
}
if (!$this->commentAcl->canReply($comment->getParent())) {
throw new AccessDeniedException();
}
$newComment = $this->isNewComment($comment);
if (!$newComment && !$this->commentAcl->canEdit($comment)) {
throw new AccessDeniedException();
}
if (($comment::STATE_DELETED === $comment->getState() || $comment::STATE_DELETED === $comment->getPreviousState()) && !$this->commentAcl->canDelete($comment)) {
throw new AccessDeniedException();
}
$this->realManager->saveComment($comment);
if ($newComment) {
$this->commentAcl->setDefaultAcl($comment);
}
}
/**
* {@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);
}
/**
* {@inheritDoc}
*/
public function addComment(CommentInterface $comment, CommentInterface $parent = null)
{
if (!$this->threadAcl->canView($comment->getThread())) {
throw new AccessDeniedException();
}
if (!$this->commentAcl->canReply($parent)) {
throw new AccessDeniedException();
}
$this->realManager->addComment($comment, $parent);
$this->commentAcl->setDefaultAcl($comment);
}
/**
* Adds a comment
*
* @param CommentInterface $comment
*/
protected function doSaveComment(CommentInterface $comment)
{
$this->dm->persist($comment->getThread());
$this->dm->persist($comment);
$this->dm->flush();
}
/**
* 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();
}
/**
* Checks if the current user is able to edit a comment.
*
* @param CommentInterface $comment
*
* @return bool If the user is able to comment
*/
public function canEditComment(CommentInterface $comment)
{
if (!$comment->getThread()->isCommentable()) {
return false;
}
if (null === $this->commentAcl) {
return false;
}
return $this->commentAcl->canEdit($comment);
}
/**
* Compiles comment data into a format Akismet accepts.
*
* @param CommentInterface $comment
* @return array
*/
protected function getCommentData(CommentInterface $comment)
{
$data = array('comment_type' => 'comment', 'comment_content' => $comment->getBody());
$data['comment_author'] = $comment->getAuthorName();
return $data;
}