this.logIn = (async (type) => {
    var user;
    switch (type) {
      case 'facebook':
        user = await Auth.loginFacebook();
        break;
      case 'google':
        user = await Auth.loginGoogle();
        break;
      default:
        return $q.reject(new Error("Unsupported login provider!"));
        break;
    }

    this.onUserChanged(user);
  }).asyncErrors();