private function findOrCreateUser($user)
 {
     $authUser = User::where('email', $user->email)->first();
     if ($authUser) {
         return $authUser;
     }
     $newUser = new User(['name' => isset($user->name) ? $user->name : $user->nickname, 'email' => $user->email, 'contact_id' => 1]);
     $newUser->save();
     $newUser->setUp();
     return $newUser;
 }