public function prePersist(LifecycleEventArgs $args)
{
$object = $args->getEntity();
if ($object instanceof MultipleMail) {
$activationCode = md5(uniqid(null, true));
$object->setActivationCode($activationCode);
$object->setIsConfirmed(false);
$body = $this->container->get('templating')->render('OjsUserBundle:Mails/User:multipleMailConfirm.html.twig', ['multipleMail' => $object]);
$this->container->get('ojs_mailer')->send('Multiple Mail Activation', $body, $object->getMail(), $object->getUser()->getFirstName());
}
}