public function setTokens(User &$user, array $tokens)
{
$em = $this->getEntityManager();
$userRepo = $em->getRepository('AppBundle:User');
foreach ($tokens as $token) {
$subscription = $this->findOneByToken($token);
if (!$subscription) {
$subscription = new Subscription();
$subscription->setToken($token);
$em->persist($subscription);
$em->flush();
}
$userRepo->subscribe($user, $subscription);
}
}
