implementFirebase static method

Future<void> implementFirebase(String projectName)

Implementation

static Future<void> implementFirebase(String projectName) async {
  // Import firebase core and firebase auth
  final ProcessResult addFirebaseCore =
      await Process.run('dart', ['pub', 'add', 'firebase_core']);
  final ProcessResult addFirebaseAuth =
      await Process.run('dart', ['pub', 'add', 'firebase_auth']);
  final ProcessResult addGoogleSignIn =
      await Process.run('dart', ['pub', 'add', 'google_sign_in']);

  if (addFirebaseCore.exitCode != 0) {
    print(
        'Error adding packages. Check your internet connection and try again.');
    print(addFirebaseCore.stderr);
    return;
  }
  if (addFirebaseAuth.exitCode != 0) {
    print(
        'Error adding packages. Check your internet connection and try again.');
    print(addFirebaseAuth.stderr);
    return;
  }
  if (addGoogleSignIn.exitCode != 0) {
    print(
        'Error adding packages. Check your internet connection and try again.');
    print(addGoogleSignIn.stderr);
    return;
  }

  print('added firebase packages');

  // Create a login page

  // create lib/features/auth/ui
  final authFolder = Directory('lib/features/auth');
  authFolder.createSync();
  final authUiFolder = Directory('lib/features/auth/ui');
  authUiFolder.createSync();

  // Create login page inside lib/features/auth/ui/login_screen.dart
  final File loginScreen = File('lib/features/auth/ui/auth_screen.dart');
  if (!loginScreen.existsSync()) {
    loginScreen.createSync();
    loginScreen.writeAsStringSync('''
import 'package:flutter/material.dart';
import 'package:$projectName/features/auth/service/auth_service.dart';
import 'package:$projectName/shared/custom_button.dart';
class AuthScreen extends StatefulWidget {
const AuthScreen({super.key});

@override
State<AuthScreen> createState() => _AuthScreenState();
}

class _AuthScreenState extends State<AuthScreen> {
@override
Widget build(BuildContext context) {
  return Scaffold(
    body: Center(
      child: CustomButton(
              text: 'Continue with google',
              function: () {
	                AuthService().continueWithGoogle(context);
    }),
  );
}
}

''');
  }

  final authServiceFolder = Directory('lib/features/auth/service');
  authServiceFolder.createSync();

  // create auth service inside lib/features/auth/service/auth_service.dart
  final File authService =
      File('lib/features/auth/service/auth_service.dart');
  if (!authService.existsSync()) {
    authService.createSync();
    authService.writeAsStringSync('''
import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/material.dart';
import 'package:google_sign_in/google_sign_in.dart';
import 'package:$projectName/shared/nav_bar.dart';



class AuthService {
final FirebaseAuth _auth = FirebaseAuth.instance;

continueWithGoogle(BuildContext context) async {
  final GoogleSignInAccount? googleUser = await GoogleSignIn().signIn();
  if (googleUser != null) {
    final GoogleSignInAuthentication googleAuth =
        await googleUser.authentication;
    final credential = GoogleAuthProvider.credential(
      accessToken: googleAuth.accessToken,
      idToken: googleAuth.idToken,
    );

    // Once signed in navigate to the home screen
    final UserCredential userCredential =
        await _auth.signInWithCredential(credential);
    final User? user = userCredential.user;
    if (user != null) {
      // ignore: use_build_context_synchronously
      Navigator.pushReplacement(context,
          MaterialPageRoute(builder: (context) => const NavigationScreen()));
    }
    return user;
  } else {
    // handle signin errors
    return null;
  }
}
}

''');
  }
}