Feat: [스플래시] 스플래시 유저 인증정보 핸들링 로직 구현 #29

lib/api/user_api.dart

@@ -1,4 +1,4 @@
-import 'package:dio/dio.dart';
+import 'package:dio/dio.dart' hide Headers;
 import 'package:pets_next_door_flutter/features/user/data/models/user_data_model.dart';
 import 'package:retrofit/retrofit.dart';
 
@@ -9,5 +9,6 @@ abstract class UserAPI {
   factory UserAPI(Dio dio, {String baseUrl}) = _UserAPI;
 
   @GET("/users/me")
+  @Headers({"requiresToken": true})
   Future<UserDataModel> getUserData();
 }

lib/app/di/app_binding.dart

@@ -5,7 +5,7 @@ final class AppBinder {
 
   /// 'Splash' 단계에서 우선적으로 Binding 해야되는 모듈들은
   /// 아래 메소드에서 처리합
-  static void _initTopPriority() {}
+  static Future<void> _initTopPriority() async {}
 
   static void init() {
     _initTopPriority();

lib/app/di/modules/user_di.dart

@@ -1,22 +1,28 @@
 import 'package:get_it/get_it.dart';
 import 'package:pets_next_door_flutter/app/di/feature_di_interface.dart';
+import 'package:pets_next_door_flutter/features/user/data/local/user_local_data_source.dart';
+import 'package:pets_next_door_flutter/features/user/data/local/user_local_data_source_impl.dart';
 import 'package:pets_next_door_flutter/features/user/data/remote/user_remote_data_source_impl.dart';
 import 'package:pets_next_door_flutter/features/user/repositories/user_repository_impl.dart';
 import 'package:pets_next_door_flutter/features/user/user.dart';
 
 final class UserDependencyInjection extends FeatureDependencyInjection {
   @override
-  void dataSources() {
+  Future<void> dataSources() async {
     GetIt.I.registerLazySingleton<UserRemoteDataSource>(
       UserRemoteDataSourceImpl.new,
     );
+
+    GetIt.I.registerLazySingleton<UserLocalDataSource>(
+        UserLocalDataSourceImpl.new);
   }
 
   @override
   void repositories() {
     GetIt.I.registerLazySingleton<UserRepository>(
       () => UserRepositoryImpl(
         userRemoteDataSource,
+        userLocalDataSource,
       ),
     );
   }
@@ -25,7 +31,15 @@ final class UserDependencyInjection extends FeatureDependencyInjection {
   void useCases() {
     GetIt.I
       ..registerFactory<GetUserDataUseCase>(
-        () => GetUserDataUseCase(
+        () => GetUserDataUseCase(userRepository),
+      )
+      ..registerFactory<GetUserTokenUseCase>(
+        () => GetUserTokenUseCase(
+          userRepository,
+        ),
+      )
+      ..registerFactory(
+        () => UpdateUserTokenLocalUseCase(
           userRepository,
         ),
       );

lib/app/env/flavors.dart

@@ -7,6 +7,7 @@ import 'package:pets_next_door_flutter/app/env/firebase_options_dev.dart'
     as dev;
 import 'package:pets_next_door_flutter/app/env/firebase_options_prod.dart'
     as prod;
+import 'package:pets_next_door_flutter/core/services/local_storage_service.dart';
 
 enum BuildType {
   development,
@@ -45,6 +46,8 @@ class Flavor {
       javaScriptAppKey: dotenv.env['JAVASCRIPT_APP_KEY'],
     );
 
+    await LocalStorageService.init();
+
     // 앱 DI 실행
     AppBinder.init();
   }

lib/app/router/app_router.dart

@@ -9,20 +9,22 @@ import 'package:pets_next_door_flutter/presentation/pages/pet/register_pet_page.
 import 'package:pets_next_door_flutter/presentation/pages/pet/steps/breed_search_view.dart';
 import 'package:pets_next_door_flutter/presentation/pages/sign_in/sign_in_view.dart';
 import 'package:pets_next_door_flutter/presentation/pages/sign_up/phone_auth_view.dart';
+import 'package:pets_next_door_flutter/presentation/pages/splash/splash_page.dart';
 import 'package:pets_next_door_flutter/presentation/pages/user/user_profile_view.dart';
 import 'package:pets_next_door_flutter/presentation/pages/user/user_view.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 
 part 'app_router.g.dart';
 
 // private navigators
-final _rootNavigatorKey = GlobalKey<NavigatorState>();
+final rootNavigatorKey = GlobalKey<NavigatorState>();
 final _homeNavigatorKey = GlobalKey<NavigatorState>(debugLabel: 'home');
 final _gatherNavigatorKey = GlobalKey<NavigatorState>(debugLabel: 'gather');
 final _chatNavigatorKey = GlobalKey<NavigatorState>(debugLabel: 'chat');
 final _userNavigatorKey = GlobalKey<NavigatorState>(debugLabel: 'user');
 
 enum AppRoute {
+  splash,
   signIn,
   phoneAuth,
   home,
@@ -38,13 +40,21 @@ enum AppRoute {
 // ignore: unsupported_provider_value
 GoRouter goRouter(GoRouterRef ref) {
   return GoRouter(
-    initialLocation: '/home',
-    navigatorKey: _rootNavigatorKey,
+    initialLocation: '/${AppRoute.splash}',
+    navigatorKey: rootNavigatorKey,
     debugLogDiagnostics: true,
     redirect: (context, state) {
       return null;
     },
     routes: [
+      GoRoute(
+        path: '/${AppRoute.splash}',
+        name: AppRoute.splash.name,
+        pageBuilder: (context, state) => MaterialPage(
+          key: state.pageKey,
+          child: SplashPage(),
+        ),
+      ),
       GoRoute(
         path: '/signIn',
         name: AppRoute.signIn.name,

lib/core/network_handling/app_dio.dart

@@ -17,7 +17,7 @@ abstract class AppDio {
 
   static Dio? _instance;
 
-  static Dio getInstance() => _instance ??= _AppDio();
+  static Dio get instance => _instance ??= _AppDio();
 }
 
 class _AppDio with DioMixin implements Dio {

lib/core/network_handling/exceptions/custom_exception.dart

@@ -0,0 +1,26 @@
+sealed class CustomException implements Exception {
+  const CustomException(this.code, this.message);
+
+  final String code;
+  final String message;
+
+  @override
+  String toString() => '$code: $message';
+}
+
+class UnAuthorizedException extends CustomException {
+  const UnAuthorizedException() : super('000000', '유저 인증 정보를 불러올 수 없습니다.');
+}
+
+class AlreadyExistUserDataException extends CustomException {
+  const AlreadyExistUserDataException() : super('100001', '이미 유저 데이터가 존재합니다.');
+}
+
+class NoUserDataException extends CustomException {
+  const NoUserDataException() : super('100002', '유저 데이터가 존재하지않습니다.');
+}
+
+class LocalDataNotUpdatedException extends CustomException {
+  const LocalDataNotUpdatedException()
+      : super('100003', '로컬 데이터를 업데이트 할 수 없습니다.');
+}

lib/core/network_handling/interceptors/token_interceptor.dart

@@ -1,16 +1,23 @@
 import 'package:dio/dio.dart';
-import 'package:flutter_riverpod/flutter_riverpod.dart';
-import 'package:pets_next_door_flutter/presentation/providers/user/user_auth_provider.dart';
+import 'package:firebase_auth/firebase_auth.dart';
+import 'package:pets_next_door_flutter/features/user/user.dart';
 
 class TokenInterceptor implements Interceptor {
   @override
-  void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
-    final isUserAuthorized = ProviderContainer().read(isUserAuthorizedProvider);
+  Future<void> onRequest(
+      RequestOptions options, RequestInterceptorHandler handler) async {
+    final requiresToken = (options.headers['requiresToken'] ?? true) as bool;
+
+    if (!requiresToken) return handler.next(options);
+
+    final isUserAuthorized = (FirebaseAuth.instance.currentUser != null);
 
     if (isUserAuthorized) {
-      final token = '';
+      final token = await getUserTokenUseCase.call();
       options.headers['Authorization'] = 'Bearer $token';
     }
+
+    return handler.next(options);
   }
 
   @override

lib/core/services/local_storage_service.dart

@@ -0,0 +1,100 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
+/** 
+ *  SharedPreferences로 로컬 스토리지 사용하는 서비스
+ *  반드시 init 후에 사용해야 함.
+ * */
+final class LocalStorageService implements SharedPreferences {
+  static late final SharedPreferences _sharedPreference;
+
+  static SharedPreferences get instance => _sharedPreference;
+
+  static Future<SharedPreferences> init() async =>
+      _sharedPreference = await SharedPreferences.getInstance();
+
+  @override
+  Future<bool> clear() {
+    return _sharedPreference.clear();
+  }
+
+  @override
+  @Deprecated('deprecated 된 메소드')
+  Future<bool> commit() {
+    return _sharedPreference.commit();
+  }
+
+  @override
+  bool containsKey(String key) {
+    return _sharedPreference.containsKey(key);
+  }
+
+  @override
+  Object? get(String key) {
+    return _sharedPreference.get(key);
+  }
+
+  @override
+  bool? getBool(String key) {
+    return _sharedPreference.getBool(key);
+  }
+
+  @override
+  double? getDouble(String key) {
+    return _sharedPreference.getDouble(key);
+  }
+
+  @override
+  int? getInt(String key) {
+    return _sharedPreference.getInt(key);
+  }
+
+  @override
+  Set<String> getKeys() {
+    return _sharedPreference.getKeys();
+  }
+
+  @override
+  String? getString(String key) {
+    return _sharedPreference.getString(key);
+  }
+
+  @override
+  List<String>? getStringList(String key) {
+    return _sharedPreference.getStringList(key);
+  }
+
+  @override
+  Future<void> reload() {
+    return _sharedPreference.reload();
+  }
+
+  @override
+  Future<bool> remove(String key) {
+    return _sharedPreference.remove(key);
+  }
+
+  @override
+  Future<bool> setBool(String key, bool value) {
+    return _sharedPreference.setBool(key, value);
+  }
+
+  @override
+  Future<bool> setDouble(String key, double value) {
+    return _sharedPreference.setDouble(key, value);
+  }
+
+  @override
+  Future<bool> setInt(String key, int value) {
+    return _sharedPreference.setInt(key, value);
+  }
+
+  @override
+  Future<bool> setString(String key, String value) {
+    return _sharedPreference.setString(key, value);
+  }
+
+  @override
+  Future<bool> setStringList(String key, List<String> value) {
+    return _sharedPreference.setStringList(key, value);
+  }
+}

lib/core/services/toast_service.dart

@@ -0,0 +1,18 @@
+import 'package:fluttertoast/fluttertoast.dart';
+import 'package:pets_next_door_flutter/app/router/app_router.dart';
+import 'package:pets_next_door_flutter/presentation/widgets/toast/app_toast.dart';
+
+class ToastService {
+  ToastService._();
+
+  static final FToast _fToast = FToast()
+    ..init(rootNavigatorKey.currentContext!);
+
+  static void show(CustomToast toast) {
+    _fToast
+      ..removeQueuedCustomToasts()
+      ..showToast(
+        child: toast,
+      );
+  }
+}

lib/features/auth/data/phone_auth_repository.dart

@@ -53,6 +53,6 @@ final phoneAuthRepositoryProvider = Provider<DioAuthRepository>((ref) {
   );
   return DioAuthRepository(
     api: PNDAuthAPI(apiKey),
-    client: AppDio.getInstance(),
+    client: AppDio.instance,
   );
 });

lib/features/pet/data/pet_repository.dart

@@ -65,7 +65,7 @@ final petRepositoryProvider = Provider<PetRepository>((ref) {
 
   return PetRepository(
     api: PNDPetAPI(apiBaseUrl),
-    client: AppDio.getInstance(),
+    client: AppDio.instance,
   );
 });
 

lib/features/user/data/local/user_local_data_source.dart

@@ -0,0 +1,4 @@
+abstract interface class UserLocalDataSource {
+  String? getUserToken();
+  Future<bool> updateUserToken({required String? token});
+}

lib/features/user/data/local/user_local_data_source_impl.dart

@@ -0,0 +1,18 @@
+import 'package:pets_next_door_flutter/core/services/local_storage_service.dart';
+import 'package:pets_next_door_flutter/features/user/data/local/user_local_data_source.dart';
+
+final class UserLocalDataSourceImpl implements UserLocalDataSource {
+  final LocalStorageService _localStorage = LocalStorageService();
+
+  @override
+  String? getUserToken() {
+    return _localStorage.getString('token');
+  }
+
+  @override
+  Future<bool> updateUserToken({required String? token}) async {
+    if (token == null) return _localStorage.remove('token');
+
+    return _localStorage.setString('token', token);
+  }
+}

lib/features/user/data/remote/user_remote_data_source.dart

@@ -1,5 +1,5 @@
 import 'package:pets_next_door_flutter/features/user/data/models/user_data_model.dart';
 
 abstract interface class UserRemoteDataSource {
-  Future<UserDataModel?> getUserData(String uid);
+  Future<UserDataModel> getUserData();
 }