/**
* @param $user UserInterface
* @return Author
*/
private function createAuthor($user)
{
$author = new Author();
$author->setAuthorClass(get_class($user))->setAuthorId($user->getId());
return $author;
}
public function checkExistAuthor(Conversation $conversation, Author $author)
{
return $this->createQueryBuilder('r')->select('COUNT(r)')->innerJoin('r.authors', 'authors')->where('authors.id = :author_id')->andWhere('r.id = :id')->setParameter('id', $conversation->getId())->setParameter('author_id', $author->getId())->getQuery()->getSingleScalarResult();
}