/**
  * @Route("/app/test-users", name="homepage")
  */
 public function indexAction()
 {
     $em = $this->getDoctrine()->getManager();
     $admin = $em->getRepository('AppBundle:Admin')->findOneBy(['email' => '*****@*****.**']);
     if (empty($admin)) {
         $admin = new Admin();
         $admin->setEmail('*****@*****.**');
         $admin->setNickName('super');
         $admin->setPassword('test1');
         $em->persist($admin);
         $em->flush();
     }
     $customer = $em->getRepository('AppBundle:Customer')->findOneBy(['email' => '*****@*****.**']);
     if (empty($customer)) {
         $customer = new Customer();
         $customer->setEmail('*****@*****.**');
         $customer->setFirstName('Joe');
         $customer->setLastName('Lyy');
         $customer->setPassword('customer1');
         $em->persist($customer);
         $em->flush();
     }
     $users = $em->getRepository('AppBundle:User')->findAll();
     $str = '';
     foreach ($users as $user) {
         if ($user instanceof Admin) {
             $str .= "<br>Admin (" . $user->getEmail() . "): " . $user->getNickName();
         }
         if ($user instanceof Customer) {
             $str .= "<br>Customer (" . $user->getEmail() . "): " . $user->getFirstName() . ' ' . $user->getLastName();
         }
     }
     return new Response('<html><body' . $str . '</body></html>');
 }