private function checkMailTemplateExists(EventDetail $eventOptions, $lang = 'en', Journal $journal = null, $journalDefault = false, $useJournalDefault = true)
{
return $this->em->getRepository('OjsJournalBundle:MailTemplate')->findOneBy(['type' => $eventOptions->getName(), 'journal' => $journal, 'lang' => $lang, 'journalDefault' => $journalDefault, 'useJournalDefault' => $useJournalDefault]);
}