guru_sdk/guru_app/lib/account/model/credential.dart

import 'package:guru_app/property/app_property.dart';
import 'package:guru_utils/auth/auth_credential_manager.dart';

class AnonymousCredential extends Credential {
  final String secretKey;

  AnonymousCredential(this.secretKey);

  @override
  String get token => secretKey;

  @override
  AuthType get authType => AuthType.anonymous;

  String toJson() => secretKey;
}

class AnonymousCredentialDelegate extends AuthCredentialDelegate {
  const AnonymousCredentialDelegate();

  @override
  AuthType get authType => AuthType.anonymous;

  @override
  Future<AuthResult> login() async {
    final secretKey = await AppProperty.getInstance().getAnonymousSecretKey();
    return AuthResult.success(AnonymousCredential(secretKey));
  }

  @override
  Future logout() async {}

  @override
  Credential deserializeCredential(String data) {
    return AnonymousCredential(data);
  }
}