Merge branch 'main' into release

lib/blocs/auth/auth_bloc.dart

@@ -26,12 +26,14 @@ import '../../repositories/auth_repository.dart';
 import 'auth_event.dart';
 import 'auth_state.dart';
 import '../../services/notification_service.dart';
+import '../../services/analytics_service.dart';
 
 /// BLoC for managing authentication state and operations.
 class AuthBloc extends Bloc<AuthEvent, AuthState> {
   /// Repository for authentication operations.
   final AuthRepository _authRepository;
   final NotificationService _notificationService;
+  final AnalyticsService _analyticsService;
 
   /// Creates an [AuthBloc] with the provided [authRepository].
   ///
@@ -40,8 +42,10 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
   AuthBloc({
     required AuthRepository authRepository,
     NotificationService? notificationService,
+    AnalyticsService? analyticsService,
   }) : _authRepository = authRepository,
        _notificationService = notificationService ?? NotificationService(),
+       _analyticsService = analyticsService ?? AnalyticsService(),
        super(AuthInitial()) {
     on<AuthCheckRequested>(_onAuthCheckRequested);
     on<AuthSignInRequested>(_onSignInRequested);
@@ -76,6 +80,7 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
         if (user != null) {
           // Save FCM Token on auto-login
           await _notificationService.saveTokenToFirestore(user.id!);
+          await _analyticsService.setUserId(user.id);
           emit(AuthAuthenticated(user: user));
         } else {
           emit(AuthUnauthenticated());
@@ -107,6 +112,11 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
       if (user != null) {
         // Save FCM Token
         await NotificationService().saveTokenToFirestore(user.id!);
+        await _analyticsService.setUserId(user.id);
+        await _analyticsService.logEvent(
+          name: 'login',
+          parameters: {'method': 'email'},
+        );
         emit(AuthAuthenticated(user: user));
       } else {
         emit(const AuthError(message: 'Invalid email or password'));
@@ -138,6 +148,11 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
       if (user != null) {
         // Save FCM Token
         await NotificationService().saveTokenToFirestore(user.id!);
+        await _analyticsService.setUserId(user.id);
+        await _analyticsService.logEvent(
+          name: 'sign_up',
+          parameters: {'method': 'email'},
+        );
         emit(AuthAuthenticated(user: user));
       } else {
         emit(const AuthError(message: 'Failed to create account'));
@@ -163,6 +178,11 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
       if (user != null) {
         // Save FCM Token
         await NotificationService().saveTokenToFirestore(user.id!);
+        await _analyticsService.setUserId(user.id);
+        await _analyticsService.logEvent(
+          name: 'login',
+          parameters: {'method': 'google'},
+        );
         emit(AuthAuthenticated(user: user));
       } else {
         emit(
@@ -191,6 +211,11 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
       );
 
       if (user != null) {
+        await _analyticsService.setUserId(user.id);
+        await _analyticsService.logEvent(
+          name: 'sign_up',
+          parameters: {'method': 'google'},
+        );
         emit(AuthAuthenticated(user: user));
       } else {
         emit(const AuthError(message: 'Failed to create account with Google'));
@@ -214,6 +239,11 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
       );
 
       if (user != null) {
+        await _analyticsService.setUserId(user.id);
+        await _analyticsService.logEvent(
+          name: 'sign_up',
+          parameters: {'method': 'apple'},
+        );
         emit(AuthAuthenticated(user: user));
       } else {
         emit(const AuthError(message: 'Failed to create account with Apple'));
@@ -239,6 +269,11 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
       if (user != null) {
         // Save FCM Token
         await NotificationService().saveTokenToFirestore(user.id!);
+        await _analyticsService.setUserId(user.id);
+        await _analyticsService.logEvent(
+          name: 'login',
+          parameters: {'method': 'apple'},
+        );
         emit(AuthAuthenticated(user: user));
       } else {
         emit(
@@ -261,6 +296,7 @@ class AuthBloc extends Bloc<AuthEvent, AuthState> {
     Emitter<AuthState> emit,
   ) async {
     await _authRepository.signOut();
+    await _analyticsService.setUserId(null); // Clear user ID
     emit(AuthUnauthenticated());
   }
 

lib/main.dart

@@ -17,6 +17,7 @@ import 'package:travel_mate/services/expense_service.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:travel_mate/services/notification_service.dart';
 import 'package:travel_mate/services/map_navigation_service.dart';
+import 'package:travel_mate/services/analytics_service.dart';
 import 'blocs/auth/auth_bloc.dart';
 import 'blocs/auth/auth_event.dart';
 import 'blocs/theme/theme_bloc.dart';
@@ -146,6 +147,10 @@ class MyApp extends StatelessWidget {
         RepositoryProvider<MapNavigationService>(
           create: (context) => MapNavigationService(),
         ),
+        // Analysis service
+        RepositoryProvider<AnalyticsService>(
+          create: (context) => AnalyticsService(),
+        ),
       ],
       child: MultiBlocProvider(
         providers: [
@@ -206,6 +211,9 @@ class MyApp extends StatelessWidget {
               title: 'Travel Mate',
               navigatorKey: ErrorService.navigatorKey,
               themeMode: themeState.themeMode,
+              navigatorObservers: [
+                context.read<AnalyticsService>().getAnalyticsObserver(),
+              ],
               // Light theme configuration
               theme: ThemeData(
                 colorScheme: ColorScheme.fromSeed(

lib/services/analytics_service.dart

@@ -0,0 +1,54 @@
+import 'package:firebase_analytics/firebase_analytics.dart';
+import 'package:flutter/foundation.dart';
+
+/// Service wrapper for Google Analytics
+class AnalyticsService {
+  final FirebaseAnalytics _analytics = FirebaseAnalytics.instance;
+
+  FirebaseAnalyticsObserver getAnalyticsObserver() =>
+      FirebaseAnalyticsObserver(analytics: _analytics);
+
+  Future<void> logEvent({
+    required String name,
+    Map<String, Object>? parameters,
+  }) async {
+    try {
+      await _analytics.logEvent(name: name, parameters: parameters);
+    } catch (e) {
+      debugPrint('Error logging analytics event: $e');
+    }
+  }
+
+  Future<void> setUserProperty({
+    required String name,
+    required String? value,
+  }) async {
+    try {
+      await _analytics.setUserProperty(name: name, value: value);
+    } catch (e) {
+      debugPrint('Error setting user property: $e');
+    }
+  }
+
+  Future<void> setUserId(String? id) async {
+    try {
+      await _analytics.setUserId(id: id);
+    } catch (e) {
+      debugPrint('Error setting user ID: $e');
+    }
+  }
+
+  Future<void> logScreenView({
+    required String screenName,
+    String? screenClass,
+  }) async {
+    try {
+      await _analytics.logScreenView(
+        screenName: screenName,
+        screenClass: screenClass,
+      );
+    } catch (e) {
+      debugPrint('Error logging screen view: $e');
+    }
+  }
+}