public function disconnectServiceAction(Request $request, $service, $usernameId, $accessToken)
{
if ($request->isMethod('POST') && $this->isCsrfTokenValid('authenticate', $request->request->get('_csrf_token'))) {
$em = $this->getDoctrine()->getManager();
$user = $em->getRepository('AppBundle:User')->findOneBy(array($service . '_id' => $usernameId, $service . '_access_token' => $accessToken));
if ($user && $user->getId() === $this->getUser()->getId()) {
$user->setGithubId(null);
$user->setGithubAccessToken(null);
$em->persist($user);
$em->flush();
}
}
return $this->redirectToRoute('admin_index');
}