public function findSectionByArticle($article)
{
$em = $this->getEntityManager();
$issue = $em->getRepository('Newscoop\\Entity\\Issue')->findOneBy(array('language' => $article->getLanguage(), 'publication' => $article->getPublication(), 'number' => $article->getIssueId()));
if ($issue === null) {
return;
}
$section = $em->getRepository('Newscoop\\Entity\\Section')->findOneBy(array('language' => $article->getLanguage(), 'publication' => $article->getPublication(), 'issue' => $issue, 'number' => $article->getSectionId()));
return $section;
}