function saveUser($token)
{
$repository = $this->em->getRepository('AppBundle:Users');
$fbUser = $this->getFBUser($token);
$user = $repository->findOneByIdFacebook($fbUser->getId());
if (!is_object($user)) {
$newUser = new Users();
$newUser->setIdFacebook($fbUser->getId());
$newUser->setBirthday($fbUser->getField('age_range')['min']);
$newUser->setEmail($fbUser->getEmail());
$newUser->setGender($fbUser->getGender());
$newUser->setNom($fbUser->getLastName());
$newUser->setPrenom($fbUser->getFirstName());
$newUser->setToken($token);
$this->em->persist($newUser);
$this->em->flush();
} else {
$user->setToken($token);
$this->em->persist($user);
$this->em->flush();
}
}