private function getDefaultMailTemplate(MailTemplate $mailTemplate)
{
$em = $this->getDoctrine()->getManager();
$GLOBALS['Ojs\\JournalBundle\\Entity\\MailTemplate#journalFilter'] = false;
return $em->getRepository('OjsJournalBundle:MailTemplate')->findOneBy(['type' => $mailTemplate->getType(), 'journal' => null, 'journalDefault' => true, 'lang' => $this->getParameter('locale')]);
}