feat: added support for firebase anonymous authentication (#274)

lib/app/view/app.dart

@@ -7,6 +7,7 @@
 
 // ignore_for_file: public_member_api_docs
 
+import 'package:authentication_repository/authentication_repository.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
@@ -20,12 +21,15 @@ import 'package:pinball_ui/pinball_ui.dart';
 class App extends StatelessWidget {
   const App({
     Key? key,
+    required AuthenticationRepository authenticationRepository,
     required LeaderboardRepository leaderboardRepository,
     required PinballAudio pinballAudio,
-  })  : _leaderboardRepository = leaderboardRepository,
+  })  : _authenticationRepository = authenticationRepository,
+        _leaderboardRepository = leaderboardRepository,
         _pinballAudio = pinballAudio,
         super(key: key);
 
+  final AuthenticationRepository _authenticationRepository;
   final LeaderboardRepository _leaderboardRepository;
   final PinballAudio _pinballAudio;
 
@@ -33,6 +37,7 @@ class App extends StatelessWidget {
   Widget build(BuildContext context) {
     return MultiRepositoryProvider(
       providers: [
+        RepositoryProvider.value(value: _authenticationRepository),
         RepositoryProvider.value(value: _leaderboardRepository),
         RepositoryProvider.value(value: _pinballAudio),
       ],

lib/bootstrap.dart

@@ -12,6 +12,7 @@ import 'dart:developer';
 
 import 'package:bloc/bloc.dart';
 import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:firebase_auth/firebase_auth.dart';
 import 'package:flutter/widgets.dart';
 
 class AppBlocObserver extends BlocObserver {
@@ -28,9 +29,12 @@ class AppBlocObserver extends BlocObserver {
   }
 }
 
-Future<void> bootstrap(
-  Future<Widget> Function(FirebaseFirestore firestore) builder,
-) async {
+typedef BootstrapBuilder = Future<Widget> Function(
+  FirebaseFirestore firestore,
+  FirebaseAuth firebaseAuth,
+);
+
+Future<void> bootstrap(BootstrapBuilder builder) async {
   WidgetsFlutterBinding.ensureInitialized();
   FlutterError.onError = (details) {
     log(details.exceptionAsString(), stackTrace: details.stack);
@@ -39,7 +43,12 @@ Future<void> bootstrap(
   await runZonedGuarded(
     () async {
       await BlocOverrides.runZoned(
-        () async => runApp(await builder(FirebaseFirestore.instance)),
+        () async => runApp(
+          await builder(
+            FirebaseFirestore.instance,
+            FirebaseAuth.instance,
+          ),
+        ),
         blocObserver: AppBlocObserver(),
       );
     },

lib/main_development.dart

@@ -5,16 +5,27 @@
 // license that can be found in the LICENSE file or at
 // https://opensource.org/licenses/MIT.
 
+import 'dart:async';
+
+import 'package:authentication_repository/authentication_repository.dart';
+import 'package:firebase_core/firebase_core.dart';
 import 'package:leaderboard_repository/leaderboard_repository.dart';
 import 'package:pinball/app/app.dart';
 import 'package:pinball/bootstrap.dart';
 import 'package:pinball_audio/pinball_audio.dart';
 
 void main() {
-  bootstrap((firestore) async {
+  bootstrap((firestore, firebaseAuth) async {
     final leaderboardRepository = LeaderboardRepository(firestore);
+    final authenticationRepository = AuthenticationRepository(firebaseAuth);
     final pinballAudio = PinballAudio();
+    unawaited(
+      Firebase.initializeApp().then(
+        (_) => authenticationRepository.authenticateAnonymously(),
+      ),
+    );
     return App(
+      authenticationRepository: authenticationRepository,
       leaderboardRepository: leaderboardRepository,
       pinballAudio: pinballAudio,
     );

lib/main_production.dart

@@ -5,16 +5,27 @@
 // license that can be found in the LICENSE file or at
 // https://opensource.org/licenses/MIT.
 
+import 'dart:async';
+
+import 'package:authentication_repository/authentication_repository.dart';
+import 'package:firebase_core/firebase_core.dart';
 import 'package:leaderboard_repository/leaderboard_repository.dart';
 import 'package:pinball/app/app.dart';
 import 'package:pinball/bootstrap.dart';
 import 'package:pinball_audio/pinball_audio.dart';
 
 void main() {
-  bootstrap((firestore) async {
+  bootstrap((firestore, firebaseAuth) async {
     final leaderboardRepository = LeaderboardRepository(firestore);
+    final authenticationRepository = AuthenticationRepository(firebaseAuth);
     final pinballAudio = PinballAudio();
+    unawaited(
+      Firebase.initializeApp().then(
+        (_) => authenticationRepository.authenticateAnonymously(),
+      ),
+    );
     return App(
+      authenticationRepository: authenticationRepository,
       leaderboardRepository: leaderboardRepository,
       pinballAudio: pinballAudio,
     );

lib/main_staging.dart

@@ -5,16 +5,27 @@
 // license that can be found in the LICENSE file or at
 // https://opensource.org/licenses/MIT.
 
+import 'dart:async';
+
+import 'package:authentication_repository/authentication_repository.dart';
+import 'package:firebase_core/firebase_core.dart';
 import 'package:leaderboard_repository/leaderboard_repository.dart';
 import 'package:pinball/app/app.dart';
 import 'package:pinball/bootstrap.dart';
 import 'package:pinball_audio/pinball_audio.dart';
 
 void main() {
-  bootstrap((firestore) async {
+  bootstrap((firestore, firebaseAuth) async {
     final leaderboardRepository = LeaderboardRepository(firestore);
+    final authenticationRepository = AuthenticationRepository(firebaseAuth);
     final pinballAudio = PinballAudio();
+    unawaited(
+      Firebase.initializeApp().then(
+        (_) => authenticationRepository.authenticateAnonymously(),
+      ),
+    );
     return App(
+      authenticationRepository: authenticationRepository,
       leaderboardRepository: leaderboardRepository,
       pinballAudio: pinballAudio,
     );

pubspec.lock

@@ -198,12 +198,12 @@ packages:
     source: hosted
     version: "3.3.13"
   firebase_core:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: firebase_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.13.1"
+    version: "1.15.0"
   firebase_core_platform_interface:
     dependency: transitive
     description:

pubspec.yaml

@@ -13,6 +13,7 @@ dependencies:
   cloud_firestore: ^3.1.10
   equatable: ^2.0.3
   firebase_auth: ^3.3.16
+  firebase_core: ^1.15.0
   flame: ^1.1.1
   flame_bloc: ^1.2.0
   flame_forge2d:

test/app/view/app_test.dart

@@ -5,6 +5,7 @@
 // license that can be found in the LICENSE file or at
 // https://opensource.org/licenses/MIT.
 
+import 'package:authentication_repository/authentication_repository.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:leaderboard_repository/leaderboard_repository.dart';
 import 'package:mocktail/mocktail.dart';
@@ -16,19 +17,21 @@ import '../../helpers/mocks.dart';
 
 void main() {
   group('App', () {
+    late AuthenticationRepository authenticationRepository;
     late LeaderboardRepository leaderboardRepository;
     late PinballAudio pinballAudio;
 
     setUp(() {
+      authenticationRepository = MockAuthenticationRepository();
       leaderboardRepository = MockLeaderboardRepository();
       pinballAudio = MockPinballAudio();
-
       when(pinballAudio.load).thenAnswer((_) => Future.value());
     });
 
     testWidgets('renders PinballGamePage', (tester) async {
       await tester.pumpWidget(
         App(
+          authenticationRepository: authenticationRepository,
           leaderboardRepository: leaderboardRepository,
           pinballAudio: pinballAudio,
         ),

test/helpers/mocks.dart

@@ -1,3 +1,4 @@
+import 'package:authentication_repository/authentication_repository.dart';
 import 'package:flame/components.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
@@ -36,6 +37,9 @@ class MockGameState extends Mock implements GameState {}
 
 class MockCharacterThemeCubit extends Mock implements CharacterThemeCubit {}
 
+class MockAuthenticationRepository extends Mock
+    implements AuthenticationRepository {}
+
 class MockLeaderboardRepository extends Mock implements LeaderboardRepository {}
 
 class MockRawKeyDownEvent extends Mock implements RawKeyDownEvent {

web/__/firebase/init.js

@@ -1,11 +1,11 @@
 if (typeof firebase === 'undefined') throw new Error('hosting/init-error: Firebase SDK not detected. You must include it before /__/firebase/init.js');
 firebase.initializeApp({
-  "apiKey": "API_KEY",
-  "appId": "APP_ID",
-  "authDomain": "AUTH_DOMAIN",
+  "apiKey": "AIzaSyBgMVAvYccjNypCDdpW0ol6syCcISU2yjM",
+  "appId": "1:725488140557:web:7c61a0755fc23436fe7044",
+  "authDomain": "pinball-dev.firebaseapp.com",
   "databaseURL": "",
-  "measurementId": "MEASUREMENT_ID",
-  "messagingSenderId": "MEASUREMENT_SENDER_ID",
-  "projectId": "PROJECT_ID",
-  "storageBucket": "STORAGE_BUCKET"
+  "measurementId": "G-9NW8SZRFJR",
+  "messagingSenderId": "725488140557",
+  "projectId": "pinball-dev",
+  "storageBucket": "pinball-dev.appspot.com"
 });

web/index.html

@@ -71,8 +71,9 @@
     ga('create', 'UA-67589403-1', 'auto');
     ga('send', 'pageview');
   </script>
-  <script src="/__/firebase/8.9.1/firebase-app.js"></script>
-  <script src="/__/firebase/8.9.1/firebase-firestore.js"></script>
+  <script src="/__/firebase/8.10.1/firebase-app.js"></script>
+  <script src="/__/firebase/8.10.1/firebase-firestore.js"></script>
+  <script src="/__/firebase/8.10.1/firebase-auth.js"></script>
   <script src="/__/firebase/init.js"></script>
 </head>