Add Google Sign-In to Authentication

[suleymansurucu]

🎯 Goal:

Enable users to log in with their Google accounts using Firebase Authentication.

This feature improves user experience by allowing quick, password-free access, especially on mobile.

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✅ Tasks

• 🔌 Integrate google_sign_in package
  Add google_sign_in and firebase_auth to pubspec.yaml and install the dependencies.

• 🔧 Configure Firebase project

  • Enable "Google" sign-in method in Firebase Console
  • Add Android SHA-1 fingerprint in project settings (for mobile support)

• 🧩 Update AuthRepository
  Add signInWithGoogle() method that uses GoogleSignIn and FirebaseAuth.

• ⚙️ Update AuthBloc
  Add a new event: SignInWithGoogleRequested
  Handle it by calling the new repository method and emit states accordingly.

• 🎯 Update SignInPage UI
  Add a Google Sign-In button
  On tap → dispatch SignInWithGoogleRequested to AuthBloc

• 🌍 Support iOS configuration if needed (GoogleService-Info.plist, reversed client ID, URL schemes)

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📦 Required Packages

firebase_auth: ^latest
google_sign_in: ^latest

[Harits19]

Just submitted a pull request for google sign in support. Would appreciate it if you could take a look. Thanks!

#9