public function getFacebook()
 {
     $session = Facebook::process()->getLongLivedSession();
     Session::put('fbSession', $session);
     // Access Token
     $accessToken = $session->getToken();
     // User info
     $userfb = Facebook::api($session, 'GET', '/me');
     //die($userfb->getProperty('id'));
     $user = self::__checkExistenceFb($userfb->getProperty('id'));
     if ($user) {
         if ($user->is_approved) {
             Auth::login($user);
             return Redirect::to('/');
         } else {
             Session::flash('message', 'Su usuario aún no ha sido aprovado.');
             return Redirect::to('login');
         }
     } else {
         $user = new User();
         $user->facebook_id = $userfb->getProperty('id');
         $user->name = $userfb->getProperty('name');
         $user->last_name = $userfb->getProperty('last_name');
         $user->display_name = $userfb->getProperty('name');
         $user->profile_type = "general";
         $user->email = $userfb->getProperty('email');
         $user->mobile = "0999999999";
         $sendMail = false;
         if (!$user->id) {
             //new user
             $passwordText = str_random(8);
             $passwordHashed = Hash::make($passwordText);
             $sendMail = true;
             $user->password = $passwordHashed;
             $user->is_approved = false;
         }
         $user->save();
         Auth::logout();
         Session::flash('message', 'Su usuario debe ser aprobado por el administrador.');
         return Redirect::to('login');
     }
 }