From 789f74b93d1f4b0a193ce73642421ca842a979a3 Mon Sep 17 00:00:00 2001
From: AmirrezaChegini <amirreza.chegini.1380@gmail.com>
Date: Sat, 11 Oct 2025 14:33:22 +0330
Subject: [PATCH] fix: download flow

---
 assets/images/loading.png                     | Bin 0 -> 8419 bytes
 lib/core/constants/my_constants.dart          |   2 +-
 lib/core/middlewares/my_middlewares.dart      |  23 +++
 lib/core/routers/my_routes.dart               |  12 +-
 .../widgets/animations/rotation_anim.dart     |  50 +++++++
 .../data/datasource/download_datasource.dart  |  59 ++++++--
 .../download_repository_impl.dart             |  16 +++
 .../repository/download_repository.dart       |   1 +
 .../domain/usecases/get_images_usecase.dart   |   4 +-
 ...ecase.dart => loading_stream_usecase.dart} |   4 +-
 .../presentation/bloc/download_bloc.dart      |  31 +++-
 .../presentation/bloc/download_event.dart     |   1 +
 .../presentation/ui/download_page.dart        |  15 +-
 .../home/presentation/bloc/home_bloc.dart     |  16 ++-
 .../data/datasource/intro_datasource.dart     |  78 ----------
 .../intro_repository_impl.dart                |  34 -----
 .../domain/repository/intro_repository.dart   |   9 --
 .../usecases/loading_stream_usecase.dart      |  12 --
 .../intro/presentation/bloc/intro_event.dart  |   1 -
 .../ui/widgets/intro_loading_widget.dart      | 136 ------------------
 .../presentation/bloc/language_bloc.dart      |   1 -
 lib/init_bindings.dart                        |  15 +-
 22 files changed, 206 insertions(+), 314 deletions(-)
 create mode 100644 assets/images/loading.png
 create mode 100644 lib/core/middlewares/my_middlewares.dart
 create mode 100644 lib/core/widgets/animations/rotation_anim.dart
 rename lib/features/{intro => download}/domain/usecases/get_images_usecase.dart (78%)
 rename lib/features/download/domain/usecases/{loading_stream_audio_usecase.dart => loading_stream_usecase.dart} (78%)
 delete mode 100644 lib/features/intro/data/datasource/intro_datasource.dart
 delete mode 100644 lib/features/intro/data/repository_impl/intro_repository_impl.dart
 delete mode 100644 lib/features/intro/domain/repository/intro_repository.dart
 delete mode 100644 lib/features/intro/domain/usecases/loading_stream_usecase.dart
 delete mode 100644 lib/features/intro/presentation/ui/widgets/intro_loading_widget.dart

diff --git a/assets/images/loading.png b/assets/images/loading.png
new file mode 100644
index 0000000000000000000000000000000000000000..cf919725c9f6fe30f7cfe79b94bf5f317f6f422f
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/lib/core/constants/my_constants.dart b/lib/core/constants/my_constants.dart
index 15c0889..c157bdd 100644
--- a/lib/core/constants/my_constants.dart
+++ b/lib/core/constants/my_constants.dart
@@ -11,6 +11,6 @@ class MyConstants {
   static const String downloadedAudio = 'DOWNLOADED_AUDIO';
   static const String extractedAudio = 'EXTRACTED_AUDIO';
   static const String selectLanguage = 'SELECT_LANGUAGE';
-  static const String firstLanguagePage = 'FIRST_LANGUAGE_PAGE';
+  static const String firstDownload = 'FIRST_DOWNLOAD';
   static const String currentLevel = 'CURRENT_LEVEL';
 }
\ No newline at end of file
diff --git a/lib/core/middlewares/my_middlewares.dart b/lib/core/middlewares/my_middlewares.dart
new file mode 100644
index 0000000..cad56f8
--- /dev/null
+++ b/lib/core/middlewares/my_middlewares.dart
@@ -0,0 +1,23 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'package:hadi_hoda_flutter/core/constants/my_constants.dart';
+import 'package:hadi_hoda_flutter/core/routers/my_routes.dart';
+import 'package:hadi_hoda_flutter/core/utils/local_storage.dart';
+
+class MyMiddlewares {
+  static const MyMiddlewares _i = MyMiddlewares._internal();
+  const MyMiddlewares._internal();
+  factory MyMiddlewares() => _i;
+
+ static FutureOr<String?> intro(BuildContext context, GoRouterState state) {
+    final String? firstDownload = LocalStorage.readData(
+        key: MyConstants.firstDownload);
+    if (firstDownload != 'true') {
+      return Routes.languagePage;
+    } else {
+      return null;
+    }
+  }
+}
diff --git a/lib/core/routers/my_routes.dart b/lib/core/routers/my_routes.dart
index 0f9ef04..406fe07 100644
--- a/lib/core/routers/my_routes.dart
+++ b/lib/core/routers/my_routes.dart
@@ -1,7 +1,9 @@
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:go_router/go_router.dart';
+import 'package:hadi_hoda_flutter/core/middlewares/my_middlewares.dart';
 import 'package:hadi_hoda_flutter/core/utils/context_provider.dart';
 import 'package:hadi_hoda_flutter/features/download/presentation/bloc/download_bloc.dart';
+import 'package:hadi_hoda_flutter/features/download/presentation/bloc/download_event.dart';
 import 'package:hadi_hoda_flutter/features/download/presentation/ui/download_page.dart';
 import 'package:hadi_hoda_flutter/features/home/presentation/bloc/home_bloc.dart';
 import 'package:hadi_hoda_flutter/features/home/presentation/ui/home_page.dart';
@@ -38,8 +40,9 @@ GoRouter get appPages => GoRouter(
     GoRoute(
       name: Routes.introPage,
       path: Routes.introPage,
+      redirect: MyMiddlewares.intro,
       builder: (context, state) => BlocProvider(
-        create: (context) => IntroBloc(locator(), locator()),
+        create: (context) => IntroBloc(),
         child: const IntroPage(),
       ),
     ),
@@ -47,7 +50,12 @@ GoRouter get appPages => GoRouter(
       name: Routes.downloadPage,
       path: Routes.downloadPage,
       builder: (context, state) => BlocProvider(
-        create: (context) => DownloadBloc(locator(), locator(), locator()),
+        create: (context) => DownloadBloc(
+          locator(),
+          locator(),
+          locator(),
+          locator(),
+        )..add(GetImagesEvent()),
         child: const DownloadPage(),
       ),
     ),
diff --git a/lib/core/widgets/animations/rotation_anim.dart b/lib/core/widgets/animations/rotation_anim.dart
new file mode 100644
index 0000000..ea4d9e9
--- /dev/null
+++ b/lib/core/widgets/animations/rotation_anim.dart
@@ -0,0 +1,50 @@
+import 'package:flutter/material.dart';
+
+class RotationAnim extends StatefulWidget {
+  const RotationAnim({super.key, required this.child});
+
+  final Widget child;
+
+  @override
+  State<RotationAnim> createState() => _RotationAnimState();
+}
+
+class _RotationAnimState extends State<RotationAnim>
+    with SingleTickerProviderStateMixin {
+  late AnimationController _controller;
+  late Animation<double> _animation;
+
+  @override
+  void initState() {
+    super.initState();
+    _controller = AnimationController(
+      vsync: this,
+      duration: Duration(seconds: 20),
+    );
+    _animation = Tween<double>(
+      begin: 0,
+      end: 20,
+    ).animate(CurvedAnimation(parent: _controller, curve: Curves.linear));
+
+    _controller.repeat();
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedBuilder(
+      animation: _controller,
+      child: widget.child,
+      builder: (context, child) => RotationTransition(
+        turns: _animation,
+        alignment: Alignment.center,
+        child: child,
+      ),
+    );
+  }
+}
diff --git a/lib/features/download/data/datasource/download_datasource.dart b/lib/features/download/data/datasource/download_datasource.dart
index def3308..5c3ba31 100644
--- a/lib/features/download/data/datasource/download_datasource.dart
+++ b/lib/features/download/data/datasource/download_datasource.dart
@@ -16,6 +16,7 @@ import 'package:hadi_hoda_flutter/features/level/domain/entity/total_data_entity
 import 'package:hive/hive.dart';
 
 abstract class IDownloadDatasource {
+  Future<void> getImages();
   Future<void> getAudios();
   Future<void> saveLevels();
   Stream<DownloadEntity> loadingStream();
@@ -27,6 +28,54 @@ class DownloadDatasourceImpl implements IDownloadDatasource {
 
   DownloadDatasourceImpl(this.httpRequest);
 
+  @override
+  Future<void> getImages() async {
+    final String filePath = '${StoragePath.documentDir.path}/images.zip';
+
+    if (LocalStorage.readData(key: MyConstants.downloadedImage) != 'true') {
+      await httpRequest.download(
+        urlPath: MyApi.images,
+        savePath: filePath,
+        onReceive: (count, total) {
+          streamController.add(DownloadEntity(
+            count: count / 1,
+            total: total / 1,
+            percent: (count / total) * 100,
+          ));
+        },
+      ).then((value) async {
+        await LocalStorage.saveData(
+          key: MyConstants.downloadedImage,
+          value: 'true',
+        );
+      });
+    }
+
+    try{
+      if (LocalStorage.readData(key: MyConstants.extractedImage) != 'true') {
+        final File file = File(filePath);
+        final Directory directory = Directory('${StoragePath.documentDir.path}/');
+        await ZipFile.extractToDirectory(
+          zipFile: file,
+          destinationDir: directory,
+          onExtracting: (zipEntry, progress) {
+            return ZipFileOperation.includeItem;
+          },
+        ).then((value) async {
+          await Future.wait([
+            LocalStorage.saveData(
+              key: MyConstants.extractedImage,
+              value: 'true',
+            ),
+            file.delete(recursive: true),
+          ]);
+        });
+      }
+    } catch (e){
+      throw MyException(errorMessage: '$e');
+    }
+  }
+
   @override
   Future<void> getAudios() async {
     final String filePath = '${StoragePath.documentDir.path}/audios.zip';
@@ -52,7 +101,7 @@ class DownloadDatasourceImpl implements IDownloadDatasource {
           key: MyConstants.downloadedAudio,
           value: 'true',
         );
-      },);
+      });
     }
 
     try{
@@ -76,10 +125,6 @@ class DownloadDatasourceImpl implements IDownloadDatasource {
             file.delete(recursive: true),
           ]);
         });
-      } else {
-        streamController.add(DownloadEntity(percent: 50));
-        await Future.delayed(Duration(milliseconds: 150));
-        streamController.add(DownloadEntity(percent: 100));
       }
     } catch (e){
       throw MyException(errorMessage: '$e');
@@ -105,9 +150,7 @@ class DownloadDatasourceImpl implements IDownloadDatasource {
         response?['result'],
             (json) => LevelModel.fromJson(json),
       );
-      await Future.wait([
-        data.add(TotalDataEntity(code: selectedLanguage, levels: levels)),
-      ]);
+      await data.add(TotalDataEntity(code: selectedLanguage, levels: levels));
     }
   }
 
diff --git a/lib/features/download/data/repository_impl/download_repository_impl.dart b/lib/features/download/data/repository_impl/download_repository_impl.dart
index 9fd8b54..13917f6 100644
--- a/lib/features/download/data/repository_impl/download_repository_impl.dart
+++ b/lib/features/download/data/repository_impl/download_repository_impl.dart
@@ -11,6 +11,22 @@ class DownloadRepositoryImpl implements IDownloadRepository {
 
   const DownloadRepositoryImpl(this.datasource);
 
+  @override
+  Future<DataState<NoParams, MyException>> getImages() async {
+    try {
+      await datasource.getImages();
+      return DataState.success(NoParams());
+    } on MyException catch (e) {
+      return DataState.error(e);
+    } catch (e) {
+      if (kDebugMode) {
+        rethrow;
+      } else {
+        return DataState.error(MyException(errorMessage: '$e'));
+      }
+    }
+  }
+
   @override
   Future<DataState<NoParams, MyException>> getAudios() async {
     try {
diff --git a/lib/features/download/domain/repository/download_repository.dart b/lib/features/download/domain/repository/download_repository.dart
index b7ffbd5..ab53e49 100644
--- a/lib/features/download/domain/repository/download_repository.dart
+++ b/lib/features/download/domain/repository/download_repository.dart
@@ -4,6 +4,7 @@ import 'package:hadi_hoda_flutter/core/utils/data_state.dart';
 import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
 
 abstract class IDownloadRepository {
+  Future<DataState<NoParams, MyException>> getImages();
   Future<DataState<NoParams, MyException>> getAudios();
   Future<DataState<NoParams, MyException>> saveLevels();
   Stream<DownloadEntity> loadingStream();
diff --git a/lib/features/intro/domain/usecases/get_images_usecase.dart b/lib/features/download/domain/usecases/get_images_usecase.dart
similarity index 78%
rename from lib/features/intro/domain/usecases/get_images_usecase.dart
rename to lib/features/download/domain/usecases/get_images_usecase.dart
index 3774894..f91e1d6 100644
--- a/lib/features/intro/domain/usecases/get_images_usecase.dart
+++ b/lib/features/download/domain/usecases/get_images_usecase.dart
@@ -2,10 +2,10 @@ import 'package:hadi_hoda_flutter/core/error_handler/my_exception.dart';
 import 'package:hadi_hoda_flutter/core/params/no_params.dart';
 import 'package:hadi_hoda_flutter/core/usecase/usecase.dart';
 import 'package:hadi_hoda_flutter/core/utils/data_state.dart';
-import 'package:hadi_hoda_flutter/features/intro/domain/repository/intro_repository.dart';
+import 'package:hadi_hoda_flutter/features/download/domain/repository/download_repository.dart';
 
 class GetImagesUseCase implements UseCase<NoParams, NoParams> {
-  final IIntroRepository repository;
+  final IDownloadRepository repository;
 
   const GetImagesUseCase(this.repository);
 
diff --git a/lib/features/download/domain/usecases/loading_stream_audio_usecase.dart b/lib/features/download/domain/usecases/loading_stream_usecase.dart
similarity index 78%
rename from lib/features/download/domain/usecases/loading_stream_audio_usecase.dart
rename to lib/features/download/domain/usecases/loading_stream_usecase.dart
index 4af13e0..cb0fa54 100644
--- a/lib/features/download/domain/usecases/loading_stream_audio_usecase.dart
+++ b/lib/features/download/domain/usecases/loading_stream_usecase.dart
@@ -1,10 +1,10 @@
 import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
 import 'package:hadi_hoda_flutter/features/download/domain/repository/download_repository.dart';
 
-class LoadingStreamAudioUseCase {
+class LoadingStreamUseCase {
   final IDownloadRepository repository;
 
-  const LoadingStreamAudioUseCase(this.repository);
+  const LoadingStreamUseCase(this.repository);
 
   Stream<DownloadEntity> call() {
     return repository.loadingStream();
diff --git a/lib/features/download/presentation/bloc/download_bloc.dart b/lib/features/download/presentation/bloc/download_bloc.dart
index 8672d8e..09ed742 100644
--- a/lib/features/download/presentation/bloc/download_bloc.dart
+++ b/lib/features/download/presentation/bloc/download_bloc.dart
@@ -2,13 +2,16 @@ import 'dart:async';
 
 import 'package:bloc/bloc.dart';
 import 'package:go_router/go_router.dart';
+import 'package:hadi_hoda_flutter/core/constants/my_constants.dart';
 import 'package:hadi_hoda_flutter/core/params/no_params.dart';
 import 'package:hadi_hoda_flutter/core/routers/my_routes.dart';
 import 'package:hadi_hoda_flutter/core/status/base_status.dart';
 import 'package:hadi_hoda_flutter/core/utils/context_provider.dart';
+import 'package:hadi_hoda_flutter/core/utils/local_storage.dart';
 import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
 import 'package:hadi_hoda_flutter/features/download/domain/usecases/get_audios_usecase.dart';
-import 'package:hadi_hoda_flutter/features/download/domain/usecases/loading_stream_audio_usecase.dart';
+import 'package:hadi_hoda_flutter/features/download/domain/usecases/get_images_usecase.dart';
+import 'package:hadi_hoda_flutter/features/download/domain/usecases/loading_stream_usecase.dart';
 import 'package:hadi_hoda_flutter/features/download/domain/usecases/save_levels_usecase.dart';
 import 'package:hadi_hoda_flutter/features/download/presentation/bloc/download_event.dart';
 import 'package:hadi_hoda_flutter/features/download/presentation/bloc/download_state.dart';
@@ -16,20 +19,23 @@ import 'package:hadi_hoda_flutter/features/download/presentation/bloc/download_s
 class DownloadBloc extends Bloc<DownloadEvent, DownloadState> {
   /// ------------constructor------------
   DownloadBloc(
+      this._getImagesUseCase,
       this._getAudiosUseCase,
       this._loadingStreamUseCase,
       this._saveLevelsUseCase,
       )
     : super(const DownloadState()) {
+    on<GetImagesEvent>(_getImagesEvent);
     on<GetAudiosEvent>(_getAudiosEvent);
     on<SaveLevelsEvent>(_saveLevelsEvent);
     loadingStream = _loadingStreamUseCase();
   }
 
   /// ------------UseCases------------
+  final GetImagesUseCase _getImagesUseCase;
   final GetAudiosUseCase _getAudiosUseCase;
   final SaveLevelsUseCase _saveLevelsUseCase;
-  final LoadingStreamAudioUseCase _loadingStreamUseCase;
+  final LoadingStreamUseCase _loadingStreamUseCase;
 
   /// ------------Variables------------
   Stream<DownloadEntity> loadingStream = Stream.empty();
@@ -39,6 +45,22 @@ class DownloadBloc extends Bloc<DownloadEvent, DownloadState> {
   /// ------------Functions------------
 
   /// ------------Api Calls------------
+  FutureOr<void> _getImagesEvent(
+      GetImagesEvent event,
+      Emitter<DownloadState> emit,
+      ) async {
+    await _getImagesUseCase(NoParams()).then((value) {
+      value.fold(
+        (data) {
+          add(GetAudiosEvent());
+        },
+        (error) async {
+          emit(state.copyWith(getFilesStatus: BaseError(error.errorMessage)));
+        },
+      );
+    });
+  }
+
   FutureOr<void> _getAudiosEvent(
     GetAudiosEvent event,
     Emitter<DownloadState> emit,
@@ -63,7 +85,10 @@ class DownloadBloc extends Bloc<DownloadEvent, DownloadState> {
       await _saveLevelsUseCase(NoParams()).then((value) =>
         value.fold(
           (data) async {
-            ContextProvider.context.goNamed(Routes.homePage);
+            await LocalStorage.saveData(key: MyConstants.firstDownload, value: 'true');
+            if(ContextProvider.context.mounted){
+              ContextProvider.context.goNamed(Routes.homePage);
+            }
           },
           (error) {
             emit(state.copyWith(getFilesStatus: BaseError(error.errorMessage)));
diff --git a/lib/features/download/presentation/bloc/download_event.dart b/lib/features/download/presentation/bloc/download_event.dart
index 9d05b54..ec62661 100644
--- a/lib/features/download/presentation/bloc/download_event.dart
+++ b/lib/features/download/presentation/bloc/download_event.dart
@@ -1,5 +1,6 @@
 sealed class DownloadEvent {
   const DownloadEvent();
 }
+class GetImagesEvent extends DownloadEvent {}
 class GetAudiosEvent extends DownloadEvent {}
 class SaveLevelsEvent extends DownloadEvent {}
diff --git a/lib/features/download/presentation/ui/download_page.dart b/lib/features/download/presentation/ui/download_page.dart
index c7533b3..c289fb6 100644
--- a/lib/features/download/presentation/ui/download_page.dart
+++ b/lib/features/download/presentation/ui/download_page.dart
@@ -16,20 +16,9 @@ import 'package:hadi_hoda_flutter/features/download/presentation/bloc/download_e
 import 'package:hadi_hoda_flutter/features/download/presentation/bloc/download_state.dart';
 import 'package:hadi_hoda_flutter/features/download/presentation/ui/widgets/download_loading_widget.dart';
 
-class DownloadPage extends StatefulWidget {
+class DownloadPage extends StatelessWidget {
   const DownloadPage({super.key});
 
-  @override
-  State<DownloadPage> createState() => _DownloadPageState();
-}
-
-class _DownloadPageState extends State<DownloadPage> {
-  @override
-  void initState() {
-    super.initState();
-    context.read<DownloadBloc>().add(GetAudiosEvent());
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -66,7 +55,7 @@ class _DownloadPageState extends State<DownloadPage> {
                     horizontal: 60,
                   ),
                   child: ErrorState(
-                    onTap: () => context.read<DownloadBloc>().add(GetAudiosEvent()),
+                    onTap: () => context.read<DownloadBloc>().add(GetImagesEvent()),
                   ),
                 );
               } else {
diff --git a/lib/features/home/presentation/bloc/home_bloc.dart b/lib/features/home/presentation/bloc/home_bloc.dart
index 1ba9839..219c7ed 100644
--- a/lib/features/home/presentation/bloc/home_bloc.dart
+++ b/lib/features/home/presentation/bloc/home_bloc.dart
@@ -3,11 +3,15 @@ import 'dart:async';
 import 'package:bloc/bloc.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:go_router/go_router.dart';
+import 'package:hadi_hoda_flutter/core/constants/my_constants.dart';
 import 'package:hadi_hoda_flutter/core/routers/my_routes.dart';
 import 'package:hadi_hoda_flutter/core/services/audio_service.dart';
+import 'package:hadi_hoda_flutter/core/utils/local_storage.dart';
 import 'package:hadi_hoda_flutter/core/widgets/about_us_dialog/about_us_dialog.dart';
 import 'package:hadi_hoda_flutter/features/home/presentation/bloc/home_event.dart';
 import 'package:hadi_hoda_flutter/features/home/presentation/bloc/home_state.dart';
+import 'package:hadi_hoda_flutter/features/level/domain/entity/total_data_entity.dart';
+import 'package:hive/hive.dart';
 
 class HomeBloc extends Bloc<HomeEvent, HomeState> {
   /// ------------constructor------------
@@ -28,7 +32,17 @@ class HomeBloc extends Bloc<HomeEvent, HomeState> {
 
   /// ------------Functions------------
   void goToLevelPage(BuildContext context){
-    context.pushNamed(Routes.levelPage);
+    final String? selectedLanguage = LocalStorage.readData(key: MyConstants.selectLanguage);
+    final Box<TotalDataEntity> dataBox = Hive.box(MyConstants.levelBox);
+    final TotalDataEntity findData = dataBox.values.singleWhere(
+      (e) => e.code == selectedLanguage,
+      orElse: () => TotalDataEntity(),
+    );
+    if (findData.levels?.isNotEmpty ?? false) {
+      context.pushNamed(Routes.levelPage);
+    } else {
+      context.goNamed(Routes.downloadPage);
+    }
   }
 
   void goToLanguagePage(BuildContext context){
diff --git a/lib/features/intro/data/datasource/intro_datasource.dart b/lib/features/intro/data/datasource/intro_datasource.dart
deleted file mode 100644
index 7a48b46..0000000
--- a/lib/features/intro/data/datasource/intro_datasource.dart
+++ /dev/null
@@ -1,78 +0,0 @@
-import 'dart:async';
-import 'dart:io';
-
-import 'package:flutter_archive/flutter_archive.dart';
-import 'package:hadi_hoda_flutter/core/constants/my_api.dart';
-import 'package:hadi_hoda_flutter/core/constants/my_constants.dart';
-import 'package:hadi_hoda_flutter/core/error_handler/my_exception.dart';
-import 'package:hadi_hoda_flutter/core/network/http_request.dart';
-import 'package:hadi_hoda_flutter/core/utils/local_storage.dart';
-import 'package:hadi_hoda_flutter/core/utils/storage_path.dart';
-import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
-
-abstract class IIntroDatasource {
-  Future<void> getImages();
-  Stream<DownloadEntity> loadingStream();
-}
-
-class IntroDatasourceImpl implements IIntroDatasource {
-  final IHttpRequest httpRequest;
-  final StreamController<DownloadEntity> streamController = StreamController<DownloadEntity>.broadcast();
-
-  IntroDatasourceImpl(this.httpRequest);
-
-  @override
-  Future<void> getImages() async {
-    final String filePath = '${StoragePath.documentDir.path}/images.zip';
-
-    if (LocalStorage.readData(key: MyConstants.downloadedImage) != 'true') {
-      await httpRequest.download(
-        urlPath: MyApi.images,
-        savePath: filePath,
-        onReceive: (count, total) {
-          streamController.add(DownloadEntity(
-            count: count / 1,
-            total: total / 1,
-            percent: (count / total) * 100,
-          ));
-        },
-      ).then((value) async {
-        await LocalStorage.saveData(
-          key: MyConstants.downloadedImage,
-          value: 'true',
-        );
-      });
-    }
-
-    try{
-      if (LocalStorage.readData(key: MyConstants.extractedImage) != 'true') {
-        final File file = File(filePath);
-        final Directory directory = Directory('${StoragePath.documentDir.path}/');
-        await ZipFile.extractToDirectory(
-          zipFile: file,
-          destinationDir: directory,
-          onExtracting: (zipEntry, progress) {
-            return ZipFileOperation.includeItem;
-          },
-        ).then((value) async {
-          await Future.wait([
-            LocalStorage.saveData(
-              key: MyConstants.extractedImage,
-              value: 'true',
-            ),
-            file.delete(recursive: true),
-          ]);
-        });
-      } else {
-        streamController.add(DownloadEntity(percent: 50));
-        await Future.delayed(Duration(milliseconds: 150));
-        streamController.add(DownloadEntity(percent: 100));
-      }
-    } catch (e){
-      throw MyException(errorMessage: '$e');
-    }
-  }
-
-  @override
-  Stream<DownloadEntity> loadingStream() => streamController.stream;
-}
diff --git a/lib/features/intro/data/repository_impl/intro_repository_impl.dart b/lib/features/intro/data/repository_impl/intro_repository_impl.dart
deleted file mode 100644
index f6e5c0d..0000000
--- a/lib/features/intro/data/repository_impl/intro_repository_impl.dart
+++ /dev/null
@@ -1,34 +0,0 @@
-import 'package:flutter/foundation.dart';
-import 'package:hadi_hoda_flutter/core/error_handler/my_exception.dart';
-import 'package:hadi_hoda_flutter/core/params/no_params.dart';
-import 'package:hadi_hoda_flutter/core/utils/data_state.dart';
-import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
-import 'package:hadi_hoda_flutter/features/intro/data/datasource/intro_datasource.dart';
-import 'package:hadi_hoda_flutter/features/intro/domain/repository/intro_repository.dart';
-
-class IntroRepositoryImpl implements IIntroRepository {
-  final IIntroDatasource datasource;
-
-  const IntroRepositoryImpl(this.datasource);
-
-  @override
-  Future<DataState<NoParams, MyException>> getImages() async {
-    try {
-      await datasource.getImages();
-      return DataState.success(NoParams());
-    } on MyException catch (e) {
-      return DataState.error(e);
-    } catch (e) {
-      if (kDebugMode) {
-        rethrow;
-      } else {
-        return DataState.error(MyException(errorMessage: '$e'));
-      }
-    }
-  }
-
-  @override
-  Stream<DownloadEntity> loadingStream() {
-    return datasource.loadingStream();
-  }
-}
diff --git a/lib/features/intro/domain/repository/intro_repository.dart b/lib/features/intro/domain/repository/intro_repository.dart
deleted file mode 100644
index 4ee9181..0000000
--- a/lib/features/intro/domain/repository/intro_repository.dart
+++ /dev/null
@@ -1,9 +0,0 @@
-import 'package:hadi_hoda_flutter/core/error_handler/my_exception.dart';
-import 'package:hadi_hoda_flutter/core/params/no_params.dart';
-import 'package:hadi_hoda_flutter/core/utils/data_state.dart';
-import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
-
-abstract class IIntroRepository {
-  Future<DataState<NoParams, MyException>> getImages();
-  Stream<DownloadEntity> loadingStream();
-}
diff --git a/lib/features/intro/domain/usecases/loading_stream_usecase.dart b/lib/features/intro/domain/usecases/loading_stream_usecase.dart
deleted file mode 100644
index 1d81d89..0000000
--- a/lib/features/intro/domain/usecases/loading_stream_usecase.dart
+++ /dev/null
@@ -1,12 +0,0 @@
-import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
-import 'package:hadi_hoda_flutter/features/intro/domain/repository/intro_repository.dart';
-
-class LoadingStreamUseCase {
-  final IIntroRepository repository;
-
-  const LoadingStreamUseCase(this.repository);
-
-  Stream<DownloadEntity> call() {
-    return repository.loadingStream();
-  }
-}
diff --git a/lib/features/intro/presentation/bloc/intro_event.dart b/lib/features/intro/presentation/bloc/intro_event.dart
index 610637a..f9f7a91 100644
--- a/lib/features/intro/presentation/bloc/intro_event.dart
+++ b/lib/features/intro/presentation/bloc/intro_event.dart
@@ -1,4 +1,3 @@
 sealed class IntroEvent {
   const IntroEvent();
 }
-class GetImagesEvent extends IntroEvent {}
diff --git a/lib/features/intro/presentation/ui/widgets/intro_loading_widget.dart b/lib/features/intro/presentation/ui/widgets/intro_loading_widget.dart
deleted file mode 100644
index 12e4568..0000000
--- a/lib/features/intro/presentation/ui/widgets/intro_loading_widget.dart
+++ /dev/null
@@ -1,136 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:hadi_hoda_flutter/common_ui/resources/my_spaces.dart';
-import 'package:hadi_hoda_flutter/common_ui/resources/my_text_style.dart';
-import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
-
-
-class IntroLoadingWidget extends StatelessWidget {
-  const IntroLoadingWidget({
-    super.key,
-    this.loadingStream,
-  });
-
-  final Stream<DownloadEntity>? loadingStream;
-
-  @override
-  Widget build(BuildContext context) {
-    return ClipPath(
-      clipper: BubbleClip(),
-      child: Container(
-        width: 300,
-        height: 60,
-        padding: EdgeInsets.symmetric(
-          vertical: MySpaces.s4,
-          horizontal: MySpaces.s2,
-        ),
-        decoration: const BoxDecoration(
-          gradient: LinearGradient(
-            begin: Alignment(0, 1), // bottom
-            end: Alignment(0, -1), // top
-            colors: [
-              Color(0xFFCADCFF), // #CADCFF
-              Colors.white,       // #FFFFFF
-            ],
-          ),
-        ),
-        child: StreamBuilder<DownloadEntity>(
-          initialData: DownloadEntity(),
-          stream: loadingStream,
-          builder: (context, snapshot) {
-            return Row(
-              children: [
-                Expanded(
-                  flex: 85,
-                  child: ClipPath(
-                    clipper: BubbleClip(),
-                    child: AnimatedContainer(
-                      duration: const Duration(milliseconds: 300),
-                      padding: EdgeInsetsDirectional.only(
-                        end: 260 - ((snapshot.data?.percent ?? 0) * 260 / 100),
-                      ),
-                      decoration: BoxDecoration(
-                        color: Color(0xFF1F59BD).withValues(alpha: 0.25),
-                      ),
-                      child: ClipPath(
-                        clipper: BubbleClip(),
-                        child: Container(
-                          decoration: BoxDecoration(
-                            gradient: RadialGradient(
-                              radius: 2,
-                              colors: [
-                                Color(0xFFFFBD00), // #CADCFF
-                                Color(0xFFFF772C), // #CADCFF
-                              ],
-                            ),
-                          ),
-                        ),
-                      ),
-                    ),
-                  ),
-                ),
-                Expanded(
-                  flex: 15,
-                  child: Center(
-                    child: Text(
-                      '${snapshot.data?.percent?.toInt() ?? 0}%',
-                      style: DinoKids.regular17.copyWith(
-                        color: Color(0XFF6E83A8),
-                      ),
-                    ),
-                  ),
-                ),
-              ],
-            );
-          }
-        ),
-      ),
-    );
-  }
-}
-
-class BubbleClip extends CustomClipper<Path> {
-  @override
-  Path getClip(Size size) {
-    // Original SVG viewBox: 334 x 60
-    const double w0 = 334.0;
-    const double h0 = 60.0;
-    final sx = size.width / w0;
-    final sy = size.height / h0;
-
-    // SVG path:
-    // M9.82057 10.3597
-    // C -1.70838 17.1589 -3.47995 44.4301 6.60447 53.1719
-    // C 16.0075 61.291 305.076 61.9385 323.201 53.4956
-    // C 341.326 45.0527 332.116 8.04571 324.829 5.7273
-    // C 307.985 -2.06805 28.6539 -0.77294 9.82057 10.3597
-    // Z
-    final p = Path()
-      ..moveTo(9.82057 * sx, 10.3597 * sy)
-      ..cubicTo(
-        -1.70838 * sx, 17.1589 * sy,
-        -3.47995 * sx, 44.4301 * sy,
-        6.60447 * sx, 53.1719 * sy,
-      )
-      ..cubicTo(
-        16.0075 * sx, 61.291 * sy,
-        305.076 * sx, 61.9385 * sy,
-        323.201 * sx, 53.4956 * sy,
-      )
-      ..cubicTo(
-        341.326 * sx, 45.0527 * sy,
-        332.116 * sx, 8.04571 * sy,
-        324.829 * sx, 5.7273 * sy,
-      )
-      ..cubicTo(
-        307.985 * sx, -2.06805 * sy,
-        28.6539 * sx, -0.77294 * sy,
-        9.82057 * sx, 10.3597 * sy,
-      )
-      ..close();
-
-    return p;
-  }
-
-  @override
-  bool shouldReclip(covariant CustomClipper<Path> oldClipper) => false;
-}
diff --git a/lib/features/language/presentation/bloc/language_bloc.dart b/lib/features/language/presentation/bloc/language_bloc.dart
index 364160a..f907683 100644
--- a/lib/features/language/presentation/bloc/language_bloc.dart
+++ b/lib/features/language/presentation/bloc/language_bloc.dart
@@ -49,7 +49,6 @@ class LanguageBloc extends Bloc<LanguageEvent, LanguageState> {
         key: MyConstants.selectLanguage,
         value: state.selectedLang.code ?? 'fa',
       ),
-      LocalStorage.saveData(key: MyConstants.firstLanguagePage, value: 'true')
     ]);
 
     if (Directory(
diff --git a/lib/init_bindings.dart b/lib/init_bindings.dart
index 4741241..931d43b 100644
--- a/lib/init_bindings.dart
+++ b/lib/init_bindings.dart
@@ -9,13 +9,9 @@ import 'package:hadi_hoda_flutter/features/download/data/datasource/download_dat
 import 'package:hadi_hoda_flutter/features/download/data/repository_impl/download_repository_impl.dart';
 import 'package:hadi_hoda_flutter/features/download/domain/repository/download_repository.dart';
 import 'package:hadi_hoda_flutter/features/download/domain/usecases/get_audios_usecase.dart';
-import 'package:hadi_hoda_flutter/features/download/domain/usecases/loading_stream_audio_usecase.dart';
+import 'package:hadi_hoda_flutter/features/download/domain/usecases/get_images_usecase.dart';
+import 'package:hadi_hoda_flutter/features/download/domain/usecases/loading_stream_usecase.dart';
 import 'package:hadi_hoda_flutter/features/download/domain/usecases/save_levels_usecase.dart';
-import 'package:hadi_hoda_flutter/features/intro/data/datasource/intro_datasource.dart';
-import 'package:hadi_hoda_flutter/features/intro/data/repository_impl/intro_repository_impl.dart';
-import 'package:hadi_hoda_flutter/features/intro/domain/repository/intro_repository.dart';
-import 'package:hadi_hoda_flutter/features/intro/domain/usecases/get_images_usecase.dart';
-import 'package:hadi_hoda_flutter/features/intro/domain/usecases/loading_stream_usecase.dart';
 import 'package:hadi_hoda_flutter/features/level/data/datasource/level_datasource.dart';
 import 'package:hadi_hoda_flutter/features/level/data/repository_impl/level_repository_impl.dart';
 import 'package:hadi_hoda_flutter/features/level/domain/entity/level_entity.dart';
@@ -50,17 +46,14 @@ void initBindings() {
   locator.registerLazySingleton<GetSampleUseCase>(() => GetSampleUseCase(locator()));
 
   /// Intro Feature
-  locator.registerLazySingleton<IIntroDatasource>(() => IntroDatasourceImpl(locator()));
-  locator.registerLazySingleton<IIntroRepository>(() => IntroRepositoryImpl(locator()));
-  locator.registerLazySingleton<GetImagesUseCase>(() => GetImagesUseCase(locator()));
-  locator.registerLazySingleton<LoadingStreamUseCase>(() => LoadingStreamUseCase(locator()));
 
   /// Download Feature
   locator.registerLazySingleton<IDownloadDatasource>(() => DownloadDatasourceImpl(locator()));
   locator.registerLazySingleton<IDownloadRepository>(() => DownloadRepositoryImpl(locator()));
+  locator.registerLazySingleton<GetImagesUseCase>(() => GetImagesUseCase(locator()));
   locator.registerLazySingleton<GetAudiosUseCase>(() => GetAudiosUseCase(locator()));
   locator.registerLazySingleton<SaveLevelsUseCase>(() => SaveLevelsUseCase(locator()));
-  locator.registerLazySingleton<LoadingStreamAudioUseCase>(() => LoadingStreamAudioUseCase(locator()));
+  locator.registerLazySingleton<LoadingStreamUseCase>(() => LoadingStreamUseCase(locator()));
 
   /// Language Feature