feat(pushNotifications): added anonymous token for push notifications

lib/core/app_router.dart

@@ -1,6 +1,8 @@
 import 'package:dio/dio.dart';
 import 'package:eatvio_app/core/const.dart';
 import 'package:eatvio_app/core/firebase_api.dart';
+import 'package:eatvio_app/core/prefs.dart';
+import 'package:eatvio_app/core/prefs_keys.dart';
 import 'package:eatvio_app/core/token_storage.dart';
 import 'package:eatvio_app/core/websockets/ws_manager.dart';
 import 'package:eatvio_app/core/locator_service.dart';
@@ -72,7 +74,6 @@ import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_native_splash/flutter_native_splash.dart';
 import 'package:go_router/go_router.dart';
 import 'package:package_info_plus/package_info_plus.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 import 'package:version/version.dart';
 import 'dart:developer';
 
@@ -111,6 +112,10 @@ class AppRouter {
         path: '/auth-screen',
         name: 'authScreen',
         builder: (context, state) => const AuthScreen(),
+        redirect: (context, state) async {
+          await sl<FirebaseApi>().registerAnonymousPushToken();
+          return null;
+        },
         routes: [
           GoRoute(path: 'registration-screen', name: 'registrationScreen', builder: (context, state) => const RegistrationScreen()),
           GoRoute(
@@ -196,14 +201,20 @@ class AppRouter {
         builder: (context, state) => const WelcomeScreen(),
         redirect: (context, state) async {
           try {
-            final sharedPreferences = await SharedPreferences.getInstance();
-            final welcomeScreenWasShowed = sharedPreferences.getBool('welcomeScreenWasShowed') ?? false;
-            await sl<FirebaseApi>().registerPushToken();
-            if (welcomeScreenWasShowed == false) {
+            final prefs = sl<Prefs>();
+            final firebaseApi = sl<FirebaseApi>();
+            final welcomeScreenWasShowed = prefs.getBool(PrefsKeys.welcomeScreenWasShowed) ?? false;
+            await firebaseApi.registerPushToken();
+            if (!welcomeScreenWasShowed) {
               return null;
             } else if (await TokenStorage.haveTokenInStorage()) {
               return '/feed-screen';
             } else {
+              final hasAnonymousTokenBeenSent = prefs.getBool(PrefsKeys.hasAnonymousTokenBeenSent) ?? false;
+              if (!hasAnonymousTokenBeenSent) {
+                await firebaseApi.registerAnonymousPushToken();
+                prefs.setBool(PrefsKeys.hasAnonymousTokenBeenSent, true);
+              }
               return '/auth-screen';
             }
           } catch (e) {

lib/core/firebase_api.dart

@@ -26,6 +26,22 @@ class FirebaseApi {
     return token;
   }
 
+  Future<void> registerAnonymousPushToken() async {
+    try {
+      final deviceInfo = DeviceInfoPlugin();
+      await sl<Dio>().post(
+        '/api/anonymous_token',
+        data: {
+          'platform': Platform.isIOS ? 'ios' : 'android',
+          'hw_id': Platform.isIOS ? (await deviceInfo.iosInfo).identifierForVendor : (await deviceInfo.androidInfo).id,
+          'token': await getToken(),
+        },
+      );
+    } catch (e, st) {
+      log(e.toString(), stackTrace: st);
+    }
+  }
+
   Future<void> registerPushToken() async {
     if (await TokenStorage.haveTokenInStorage()) {
       try {

lib/core/locator_service.dart

@@ -5,6 +5,7 @@ import 'package:eatvio_app/core/const.dart';
 import 'package:eatvio_app/core/dio/phone_verify_error_interceptor.dart';
 import 'package:eatvio_app/core/firebase_api.dart';
 import 'package:eatvio_app/core/interceptors/token_interceptor.dart';
+import 'package:eatvio_app/core/prefs.dart';
 import 'package:eatvio_app/core/views/cubit/views_cubit.dart';
 import 'package:eatvio_app/core/views/repository/views_repository.dart';
 import 'package:eatvio_app/core/views/service/views_service.dart';
@@ -118,10 +119,14 @@ import 'package:eatvio_app/features/settings/services/settings_service.dart';
 import 'package:eatvio_app/features/user_details/presentation/cubit/user_details_cubit.dart';
 import 'package:get_it/get_it.dart';
 import 'package:eatvio_app/features/profile/presentation/bloc/plans_cubit/plans_cubit.dart' as profile_plans;
+import 'package:shared_preferences/shared_preferences.dart';
 
 final sl = GetIt.instance;
 
 Future<void> init() async {
+  // Prefs
+  sl.registerLazySingletonAsync<Prefs>(() async=> Prefs(await SharedPreferences.getInstance()));
+  
   // Cubit singletons
   sl.registerLazySingleton<WsManager>(() => WsManager(wsService: sl()));
   sl.registerLazySingleton<NewMessagesCubit>(() => NewMessagesCubit());
@@ -216,8 +221,7 @@ Future<void> init() async {
   sl.registerLazySingleton<CommentsRepository>(() => CommentsRepository(service: sl()));
   sl.registerLazySingleton<NotificationSettingsRepository>(() => NotificationSettingsRepository(sl()));
   sl.registerFactory<ConsultantRatingRepository>(() => ConsultantRatingRepository(sl()));
-  sl.registerFactory<ViewsRepository>(() => ViewsRepository(viewsService: sl()));
-
+  sl.registerFactory<ViewsRepository>(() => ViewsRepository(viewsService: sl()));  
   // Services
   sl.registerLazySingleton<ChatService>(() => ChatService(sl()));
   sl.registerLazySingleton<FeedService>(() => FeedService(sl()));

lib/core/prefs.dart

@@ -0,0 +1,43 @@
+import 'package:eatvio_app/core/prefs_keys.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+
+class Prefs {
+  final SharedPreferences _prefs;
+
+  Prefs(this._prefs);
+
+  String _key(PrefsKeys key) => key.name; 
+
+  Future<void> setString(PrefsKeys key, String value) async {
+    await _prefs.setString(_key(key), value);
+  }
+
+  String? getString(PrefsKeys key) {
+    return _prefs.getString(_key(key));
+  }
+
+  Future<void> setInt(PrefsKeys key, int value) async {
+    await _prefs.setInt(_key(key), value);
+  }
+
+  int? getInt(PrefsKeys key) {
+    return _prefs.getInt(_key(key));
+  }
+
+  Future<void> setBool(PrefsKeys key, bool value) async {
+    await _prefs.setBool(_key(key), value);
+  }
+
+  bool? getBool(PrefsKeys key) {
+    return _prefs.getBool(_key(key));
+  }
+
+  Future<void> remove(PrefsKeys key) async {
+    await _prefs.remove(_key(key));
+  }
+
+  Future<void> clear() async {
+    await _prefs.clear();
+  }
+}

lib/core/prefs_keys.dart

@@ -0,0 +1 @@
+enum PrefsKeys { hasAnonymousTokenBeenSent, welcomeScreenWasShowed }

lib/features/welcome/presentation/pages/welcome_screen.dart

@@ -1,9 +1,11 @@
+import 'package:eatvio_app/core/locator_service.dart';
+import 'package:eatvio_app/core/prefs.dart';
+import 'package:eatvio_app/core/prefs_keys.dart';
 import 'package:eatvio_app/core/theme/theme_helper.dart';
 import 'package:eatvio_app/core/token_storage.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:go_router/go_router.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 import 'package:flutter_native_splash/flutter_native_splash.dart';
 
 class WelcomeScreen extends StatefulWidget {
@@ -80,8 +82,8 @@ class _WelcomeScreenState extends State<WelcomeScreen> {
                               const SizedBox(height: 24),
                               InkWell(
                                 onTap: () async {
-                                  final sharedPreferences = await SharedPreferences.getInstance();
-                                  await sharedPreferences.setBool('welcomeScreenWasShowed', true);
+                                  final sharedPreferences = sl<Prefs>();
+                                  await sharedPreferences.setBool(PrefsKeys.welcomeScreenWasShowed, true);
                                   if (await TokenStorage.haveTokenInStorage()) {
                                     goRouter.go('/feed-screen');
                                   } else {