/**
* @param Book $book
* @return Book
*/
public function clearAuthors(Book $book)
{
$book->clearAuthors();
$this->em->persist($book);
$this->em->flush();
return $book;
}
/**
* @param $data
* @param $book
* @return void
* @throws NotFoundException
*/
private function syncAuthors($data, Book $book)
{
$book->clearAuthors();
if (isset($data['authors'])) {
foreach ($data['authors'] as $author) {
$auth = $this->findOrCreateAuthor($author);
$book->addAuthor($auth);
}
}
}