Casha/lib/shared/services/google_auth_service.dart

import 'dart:async';
import 'package:google_sign_in/google_sign_in.dart';

class GoogleAuthService {
  final GoogleSignIn _googleSignIn;

  GoogleAuthService() : _googleSignIn = GoogleSignIn(scopes: [
    'email',
    'https://www.googleapis.com/auth/drive.appdata',
  ]);

  GoogleSignInAccount? get currentUser => _googleSignIn.currentUser;

  Stream<GoogleSignInAccount?> get onCurrentUserChanged =>
      _googleSignIn.onCurrentUserChanged;

  Future<void> signIn() async {
    await _googleSignIn.signIn();
  }

  Future<void> signOut() async {
    await _googleSignIn.signOut();
  }
}