Merge pull request 'fix: download logic' (#16) from feature/download into develop

Reviewed-on: https://git.nwhco.ir/amirreza.chegini/hade_hoda_flutter/pulls/16

lib/core/auth_storage/auth_storage.dart

@@ -19,7 +19,7 @@ class AuthStorage {
   }
 
   static void loadData() {
-    token = LocalStorage.readData(key: MyConstants.token);
+    token = LocalStorage.readData(key: MyConstants.token) ?? '';
   }
 
   static bool isLogin() {

lib/core/constants/my_api.dart

@@ -11,5 +11,6 @@ class MyApi {
   static const String baseUrl = 'https://hadihoda.newhorizonco.uk/api';
 
   static const String levels = '/quiz/optimized/levels/';
-  static const String files = '/quiz/optimized/download-all-files/';
+  static const String images = '/quiz/optimized/download-all-files/images/';
+  static const String audios = '/quiz/optimized/download-all-files/audio/';
 }

lib/core/constants/my_constants.dart

@@ -6,8 +6,10 @@ class MyConstants {
   static const String token = 'TOKEN';
   static const String theme = 'THEME';
   static const String levelBox = 'LEVEL_BOX';
-  static const String downloadCompleted = 'DOWNLOAD_COMPLETED';
-  static const String extractCompleted = 'EXTRACT_COMPLETED';
+  static const String downloadedImage = 'DOWNLOADED_IMAGE';
+  static const String extractedImage = 'EXTRACTED_IMAGE';
+  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 currentLevel = 'CURRENT_LEVEL';

lib/core/routers/my_routes.dart

@@ -1,6 +1,8 @@
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:go_router/go_router.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/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';
 import 'package:hadi_hoda_flutter/features/intro/presentation/bloc/intro_bloc.dart';
@@ -22,6 +24,7 @@ class Routes {
   factory Routes() => _i;
 
   static const String introPage = '/intro_page';
+  static const String downloadPage = '/download_page';
   static const String languagePage = '/language_page';
   static const String homePage = '/home_page';
   static const String questionPage = '/question_page';
@@ -36,10 +39,18 @@ GoRouter get appPages => GoRouter(
       name: Routes.introPage,
       path: Routes.introPage,
       builder: (context, state) => BlocProvider(
-        create: (context) => IntroBloc(locator(), locator(), locator()),
+        create: (context) => IntroBloc(locator(), locator()),
         child: const IntroPage(),
       ),
     ),
+    GoRoute(
+      name: Routes.downloadPage,
+      path: Routes.downloadPage,
+      builder: (context, state) => BlocProvider(
+        create: (context) => DownloadBloc(locator(), locator(), locator()),
+        child: const DownloadPage(),
+      ),
+    ),
     GoRoute(
       name: Routes.languagePage,
       path: Routes.languagePage,

lib/core/utils/local_storage.dart

@@ -15,8 +15,8 @@ class LocalStorage {
     await _box.setString(key, value);
   }
 
-  static String readData({required String key}) {
-    return _box.getString(key) ?? '';
+  static String? readData({required String key}) {
+    return _box.getString(key);
   }
 
   static Future<void> deleteData({required String key}) async {

lib/features/download/data/datasource/download_datasource.dart

@@ -0,0 +1,116 @@
+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/response/base_response.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';
+import 'package:hadi_hoda_flutter/features/level/data/model/level_model.dart';
+import 'package:hadi_hoda_flutter/features/level/domain/entity/level_entity.dart';
+import 'package:hadi_hoda_flutter/features/level/domain/entity/total_data_entity.dart';
+import 'package:hive/hive.dart';
+
+abstract class IDownloadDatasource {
+  Future<void> getAudios();
+  Future<void> saveLevels();
+  Stream<DownloadEntity> loadingStream();
+}
+
+class DownloadDatasourceImpl implements IDownloadDatasource {
+  final IHttpRequest httpRequest;
+  final StreamController<DownloadEntity> streamController = StreamController<DownloadEntity>.broadcast();
+
+  DownloadDatasourceImpl(this.httpRequest);
+
+  @override
+  Future<void> getAudios() async {
+    final String filePath = '${StoragePath.documentDir.path}/audios.zip';
+    final String selectedLanguage =
+        LocalStorage.readData(key: MyConstants.selectLanguage) ?? 'fa';
+
+    if(LocalStorage.readData(key: MyConstants.downloadedAudio) != 'true'){
+      await httpRequest.download(
+        urlPath: MyApi.audios,
+        savePath: filePath,
+        queryParameters: {
+          'lang': selectedLanguage,
+        },
+        onReceive: (count, total) {
+          streamController.add(DownloadEntity(
+            count: count / 1,
+            total: total / 1,
+            percent: (count / total) * 100,
+          ));
+        },
+      ).then((value) async {
+        await LocalStorage.saveData(
+          key: MyConstants.downloadedAudio,
+          value: 'true',
+        );
+      },);
+    }
+
+    try{
+      if (LocalStorage.readData(key: MyConstants.extractedAudio) != 'true') {
+        final File file = File(filePath);
+        final Directory directory = Directory(
+          '${StoragePath.documentDir.path}/$selectedLanguage/',
+        );
+        await ZipFile.extractToDirectory(
+          zipFile: file,
+          destinationDir: directory,
+          onExtracting: (zipEntry, progress) {
+            return ZipFileOperation.includeItem;
+          },
+        ).then((value) async {
+          await Future.wait([
+            LocalStorage.saveData(
+              key: MyConstants.extractedAudio,
+              value: 'true',
+            ),
+            file.delete(recursive: true),
+          ]);
+        });
+      } else {
+        streamController.add(DownloadEntity(percent: 50));
+        await Future.delayed(Duration(milliseconds: 150));
+        streamController.add(DownloadEntity(percent: 100));
+      }
+    } catch (e){
+      throw MyException(errorMessage: '$e');
+    }
+  }
+
+  @override
+  Future<void> saveLevels() async {
+    final String selectedLanguage =
+        LocalStorage.readData(key: MyConstants.selectLanguage) ?? 'fa';
+    final Box<TotalDataEntity> data = Hive.box(MyConstants.levelBox);
+    final TotalDataEntity findData = data.values.singleWhere(
+      (e) => e.code == selectedLanguage,
+      orElse: () => TotalDataEntity(),
+    );
+
+    if (findData.code != selectedLanguage) {
+      final response = await httpRequest.get(
+        path: MyApi.levels,
+        queryParameters: {'lang': selectedLanguage},
+      );
+      final List<LevelEntity> levels = BaseResponse.getDataList<LevelEntity>(
+        response?['result'],
+            (json) => LevelModel.fromJson(json),
+      );
+      await Future.wait([
+        data.add(TotalDataEntity(code: selectedLanguage, levels: levels)),
+      ]);
+    }
+  }
+
+  @override
+  Stream<DownloadEntity> loadingStream() => streamController.stream;
+}

lib/features/download/data/repository_impl/download_repository_impl.dart

@@ -0,0 +1,50 @@
+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/data/datasource/download_datasource.dart';
+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 DownloadRepositoryImpl implements IDownloadRepository {
+  final IDownloadDatasource datasource;
+
+  const DownloadRepositoryImpl(this.datasource);
+
+  @override
+  Future<DataState<NoParams, MyException>> getAudios() async {
+    try {
+      await datasource.getAudios();
+      return DataState.success(NoParams());
+    } on MyException catch (e) {
+      return DataState.error(e);
+    } catch (e) {
+      if (kDebugMode) {
+        rethrow;
+      } else {
+        return DataState.error(MyException(errorMessage: '$e'));
+      }
+    }
+  }
+
+  @override
+  Future<DataState<NoParams, MyException>> saveLevels() async {
+    try {
+      await datasource.saveLevels();
+      return DataState.success(NoParams());
+    } on MyException catch (e) {
+      return DataState.error(e);
+    } catch (e) {
+      if (kDebugMode) {
+        rethrow;
+      } else {
+        return DataState.error(MyException(errorMessage: '$e'));
+      }
+    }
+  }
+
+  @override
+  Stream<DownloadEntity> loadingStream() {
+    return datasource.loadingStream();
+  }
+}

lib/features/download/domain/repository/download_repository.dart

@@ -0,0 +1,10 @@
+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/utils/data_state.dart';
+import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
+
+abstract class IDownloadRepository {
+  Future<DataState<NoParams, MyException>> getAudios();
+  Future<DataState<NoParams, MyException>> saveLevels();
+  Stream<DownloadEntity> loadingStream();
+}

lib/features/download/domain/usecases/get_audios_usecase.dart

@@ -0,0 +1,16 @@
+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/download/domain/repository/download_repository.dart';
+
+class GetAudiosUseCase implements UseCase<NoParams, NoParams> {
+  final IDownloadRepository repository;
+
+  const GetAudiosUseCase(this.repository);
+
+  @override
+  Future<DataState<NoParams, MyException>> call(NoParams params) {
+    return repository.getAudios();
+  }
+}

lib/features/download/domain/usecases/loading_stream_audio_usecase.dart

@@ -0,0 +1,12 @@
+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 {
+  final IDownloadRepository repository;
+
+  const LoadingStreamAudioUseCase(this.repository);
+
+  Stream<DownloadEntity> call() {
+    return repository.loadingStream();
+  }
+}

lib/features/intro/domain/usecases/save_levels_usecase.dart → lib/features/download/domain/usecases/save_levels_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 SaveLevelsUseCase implements UseCase<NoParams, NoParams> {
-  final IIntroRepository repository;
+  final IDownloadRepository repository;
 
   const SaveLevelsUseCase(this.repository);
 

lib/features/download/presentation/bloc/download_bloc.dart

@@ -0,0 +1,74 @@
+import 'dart:async';
+
+import 'package:bloc/bloc.dart';
+import 'package:go_router/go_router.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/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/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';
+
+class DownloadBloc extends Bloc<DownloadEvent, DownloadState> {
+  /// ------------constructor------------
+  DownloadBloc(
+      this._getAudiosUseCase,
+      this._loadingStreamUseCase,
+      this._saveLevelsUseCase,
+      )
+    : super(const DownloadState()) {
+    on<GetAudiosEvent>(_getAudiosEvent);
+    on<SaveLevelsEvent>(_saveLevelsEvent);
+    loadingStream = _loadingStreamUseCase();
+  }
+
+  /// ------------UseCases------------
+  final GetAudiosUseCase _getAudiosUseCase;
+  final SaveLevelsUseCase _saveLevelsUseCase;
+  final LoadingStreamAudioUseCase _loadingStreamUseCase;
+
+  /// ------------Variables------------
+  Stream<DownloadEntity> loadingStream = Stream.empty();
+
+  /// ------------Controllers------------
+
+  /// ------------Functions------------
+
+  /// ------------Api Calls------------
+  FutureOr<void> _getAudiosEvent(
+    GetAudiosEvent event,
+    Emitter<DownloadState> emit,
+  ) async {
+    emit(state.copyWith(getFilesStatus: BaseInit()));
+    await _getAudiosUseCase(NoParams()).then((value) {
+      value.fold(
+        (data) async {
+          add(SaveLevelsEvent());
+        },
+        (error) async {
+          emit(state.copyWith(getFilesStatus: BaseError(error.errorMessage)));
+        },
+      );
+    });
+  }
+
+  FutureOr<void> _saveLevelsEvent(
+      SaveLevelsEvent event,
+      Emitter<DownloadState> emit,
+      ) async {
+      await _saveLevelsUseCase(NoParams()).then((value) =>
+        value.fold(
+          (data) async {
+            ContextProvider.context.goNamed(Routes.homePage);
+          },
+          (error) {
+            emit(state.copyWith(getFilesStatus: BaseError(error.errorMessage)));
+          },
+        ),
+    );
+  }
+}

lib/features/download/presentation/bloc/download_event.dart

@@ -0,0 +1,5 @@
+sealed class DownloadEvent {
+  const DownloadEvent();
+}
+class GetAudiosEvent extends DownloadEvent {}
+class SaveLevelsEvent extends DownloadEvent {}

lib/features/download/presentation/bloc/download_state.dart

@@ -0,0 +1,15 @@
+import 'package:hadi_hoda_flutter/core/status/base_status.dart';
+
+class DownloadState {
+  final BaseStatus getFilesStatus;
+
+  const DownloadState({this.getFilesStatus = const BaseInit()});
+
+  DownloadState copyWith({
+    BaseStatus? getFilesStatus,
+  }) {
+    return DownloadState(
+      getFilesStatus: getFilesStatus ?? this.getFilesStatus,
+    );
+  }
+}

lib/features/download/presentation/ui/download_page.dart

@@ -0,0 +1,130 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:hadi_hoda_flutter/common_ui/resources/my_assets.dart';
+import 'package:hadi_hoda_flutter/common_ui/resources/my_colors.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/core/status/base_status.dart';
+import 'package:hadi_hoda_flutter/core/utils/convert_size.dart';
+import 'package:hadi_hoda_flutter/core/utils/my_image.dart';
+import 'package:hadi_hoda_flutter/core/utils/my_localization.dart';
+import 'package:hadi_hoda_flutter/core/utils/screen_size.dart';
+import 'package:hadi_hoda_flutter/core/widgets/error/error_state.dart';
+import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.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/bloc/download_state.dart';
+import 'package:hadi_hoda_flutter/features/download/presentation/ui/widgets/download_loading_widget.dart';
+
+class DownloadPage extends StatefulWidget {
+  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(
+      body: Container(
+        height: context.heightScreen,
+        width: context.widthScreen,
+        decoration: BoxDecoration(
+          gradient: LinearGradient(
+            begin: Alignment.topCenter,
+            end: Alignment.bottomCenter,
+            colors: [
+              Color(0XFF00154C),
+              Color(0XFF150532),
+            ],
+          ),
+          image: DecorationImage(
+            image: AssetImage(MyAssets.pattern),
+            scale: 3,
+            repeat: ImageRepeat.repeat,
+            colorFilter: ColorFilter.mode(
+              Colors.white.withValues(alpha: 0.2),
+              BlendMode.srcIn,
+            ),
+          ),
+        ),
+        child: BlocBuilder<DownloadBloc, DownloadState>(
+            buildWhen: (previous, current) =>
+            previous.getFilesStatus != current.getFilesStatus,
+            builder: (context, state) {
+              if (state.getFilesStatus is BaseError) {
+                return Padding(
+                  padding: EdgeInsets.symmetric(
+                    vertical: MediaQuery.viewPaddingOf(context).bottom + MySpaces.s16,
+                    horizontal: 60,
+                  ),
+                  child: ErrorState(
+                    onTap: () => context.read<DownloadBloc>().add(GetAudiosEvent()),
+                  ),
+                );
+              } else {
+                return Stack(
+                  alignment: Alignment.center,
+                  children: [
+                    _image(),
+                    _text(context),
+                    _loading(context),
+                  ],
+                );
+              }
+            }
+        ),
+      ),
+    );
+  }
+
+  MyImage _image() {
+    return MyImage(
+      image: MyAssets.hadiHoda,
+      size: 200,
+    );
+  }
+
+  Widget _text(BuildContext context) {
+    return PositionedDirectional(
+      bottom: 130,
+      child: Column(
+        spacing: MySpaces.s6,
+        children: [
+          Text(
+            context.translate.please_wait,
+            style: Marhey.medium22.copyWith(
+              color: MyColors.white,
+            ),
+          ),
+          StreamBuilder<DownloadEntity>(
+            initialData: DownloadEntity(),
+            stream: context.read<DownloadBloc>().loadingStream,
+             builder: (context, snapshot) => Text(
+              '${context.translate.downloading_data} (${snapshot.data?.count.toMB ?? 0.0}mb / ${snapshot.data?.total.toMB ?? 0.0}mb)',
+              style: Marhey.medium12.copyWith(
+                color: MyColors.white,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Positioned _loading(BuildContext context) {
+    return Positioned(
+      bottom: MediaQuery.viewPaddingOf(context).bottom + MySpaces.s16,
+      child: DownloadLoadingWidget(
+        loadingStream: context.read<DownloadBloc>().loadingStream,
+      ),
+    );
+  }
+}

lib/features/download/presentation/ui/widgets/download_loading_widget.dart

@@ -0,0 +1,136 @@
+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 DownloadLoadingWidget extends StatelessWidget {
+  const DownloadLoadingWidget({
+    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;
+}

lib/features/intro/data/datasource/intro_datasource.dart

@@ -6,18 +6,12 @@ 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/response/base_response.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/intro/domain/entities/download_entity.dart';
-import 'package:hadi_hoda_flutter/features/level/data/model/level_model.dart';
-import 'package:hadi_hoda_flutter/features/level/domain/entity/level_entity.dart';
-import 'package:hadi_hoda_flutter/features/level/domain/entity/total_data_entity.dart';
-import 'package:hive/hive.dart';
+import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
 
 abstract class IIntroDatasource {
-  Future<void> getFiles();
-  Future<void> saveLevels();
+  Future<void> getImages();
   Stream<DownloadEntity> loadingStream();
 }
 
@@ -28,20 +22,13 @@ class IntroDatasourceImpl implements IIntroDatasource {
   IntroDatasourceImpl(this.httpRequest);
 
   @override
-  Future<void> getFiles() async {
-    final String filePath = '${StoragePath.documentDir.path}/files.zip';
-    final String selectedLanguage =
-        LocalStorage.readData(key: MyConstants.selectLanguage).isEmpty
-        ? 'fa'
-        : LocalStorage.readData(key: MyConstants.selectLanguage);
+  Future<void> getImages() async {
+    final String filePath = '${StoragePath.documentDir.path}/images.zip';
 
-    if (LocalStorage.readData(key: MyConstants.downloadCompleted) != 'true') {
+    if (LocalStorage.readData(key: MyConstants.downloadedImage) != 'true') {
       await httpRequest.download(
-        urlPath: MyApi.files,
+        urlPath: MyApi.images,
         savePath: filePath,
-        queryParameters: {
-          'lang': selectedLanguage,
-        },
         onReceive: (count, total) {
           streamController.add(DownloadEntity(
             count: count / 1,
@@ -51,16 +38,16 @@ class IntroDatasourceImpl implements IIntroDatasource {
         },
       ).then((value) async {
         await LocalStorage.saveData(
-          key: MyConstants.downloadCompleted,
+          key: MyConstants.downloadedImage,
           value: 'true',
         );
       });
     }
 
     try{
-      if (LocalStorage.readData(key: MyConstants.extractCompleted) != 'true') {
+      if (LocalStorage.readData(key: MyConstants.extractedImage) != 'true') {
         final File file = File(filePath);
-        final Directory directory = Directory('${StoragePath.documentDir.path}/$selectedLanguage/files/');
+        final Directory directory = Directory('${StoragePath.documentDir.path}/');
         await ZipFile.extractToDirectory(
           zipFile: file,
           destinationDir: directory,
@@ -70,7 +57,7 @@ class IntroDatasourceImpl implements IIntroDatasource {
         ).then((value) async {
           await Future.wait([
             LocalStorage.saveData(
-              key: MyConstants.extractCompleted,
+              key: MyConstants.extractedImage,
               value: 'true',
             ),
             file.delete(recursive: true),
@@ -86,33 +73,6 @@ class IntroDatasourceImpl implements IIntroDatasource {
     }
   }
 
-  @override
-  Future<void> saveLevels() async {
-    final String selectedLanguage =
-    LocalStorage.readData(key: MyConstants.selectLanguage).isEmpty
-        ? 'fa'
-        : LocalStorage.readData(key: MyConstants.selectLanguage);
-    final Box<TotalDataEntity> data = Hive.box(MyConstants.levelBox);
-    final TotalDataEntity findData = data.values.singleWhere(
-          (e) => e.code == selectedLanguage,
-      orElse: () => TotalDataEntity(),
-    );
-
-    if (findData.code != selectedLanguage) {
-      final response = await httpRequest.get(
-        path: MyApi.levels,
-        queryParameters: {'lang': selectedLanguage},
-      );
-      final List<LevelEntity> levels = BaseResponse.getDataList<LevelEntity>(
-        response?['result'],
-            (json) => LevelModel.fromJson(json),
-      );
-      await Future.wait([
-        data.add(TotalDataEntity(code: selectedLanguage, levels: levels)),
-      ]);
-    }
-  }
-
   @override
   Stream<DownloadEntity> loadingStream() => streamController.stream;
 }

lib/features/intro/data/repository_impl/intro_repository_impl.dart

@@ -2,8 +2,8 @@ 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/entities/download_entity.dart';
 import 'package:hadi_hoda_flutter/features/intro/domain/repository/intro_repository.dart';
 
 class IntroRepositoryImpl implements IIntroRepository {
@@ -12,25 +12,9 @@ class IntroRepositoryImpl implements IIntroRepository {
   const IntroRepositoryImpl(this.datasource);
 
   @override
-  Future<DataState<NoParams, MyException>> getFiles() async {
+  Future<DataState<NoParams, MyException>> getImages() async {
     try {
-      await datasource.getFiles();
-      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>> saveLevels() async {
-    try {
-      await datasource.saveLevels();
+      await datasource.getImages();
       return DataState.success(NoParams());
     } on MyException catch (e) {
       return DataState.error(e);

lib/features/intro/domain/repository/intro_repository.dart

@@ -1,10 +1,9 @@
 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/intro/domain/entities/download_entity.dart';
+import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
 
 abstract class IIntroRepository {
-  Future<DataState<NoParams, MyException>> getFiles();
-  Future<DataState<NoParams, MyException>> saveLevels();
+  Future<DataState<NoParams, MyException>> getImages();
   Stream<DownloadEntity> loadingStream();
 }

lib/features/intro/domain/usecases/get_files_usecase.dart → lib/features/intro/domain/usecases/get_images_usecase.dart

@@ -4,13 +4,13 @@ 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';
 
-class GetFilesUseCase implements UseCase<NoParams, NoParams> {
+class GetImagesUseCase implements UseCase<NoParams, NoParams> {
   final IIntroRepository repository;
 
-  const GetFilesUseCase(this.repository);
+  const GetImagesUseCase(this.repository);
 
   @override
   Future<DataState<NoParams, MyException>> call(NoParams params) {
-    return repository.getFiles();
+    return repository.getImages();
   }
 }

lib/features/intro/domain/usecases/loading_stream_usecase.dart

@@ -1,4 +1,4 @@
-import 'package:hadi_hoda_flutter/features/intro/domain/entities/download_entity.dart';
+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 {

lib/features/intro/presentation/bloc/intro_bloc.dart

@@ -8,29 +8,25 @@ 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/intro/domain/entities/download_entity.dart';
-import 'package:hadi_hoda_flutter/features/intro/domain/usecases/get_files_usecase.dart';
+import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.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/intro/domain/usecases/save_levels_usecase.dart';
 import 'package:hadi_hoda_flutter/features/intro/presentation/bloc/intro_event.dart';
 import 'package:hadi_hoda_flutter/features/intro/presentation/bloc/intro_state.dart';
 
 class IntroBloc extends Bloc<IntroEvent, IntroState> {
   /// ------------constructor------------
   IntroBloc(
-      this._getFilesUseCase,
+      this._getImagesUseCase,
       this._loadingStreamUseCase,
-      this._saveLevelsUseCase,
       )
     : super(const IntroState()) {
-    on<GetFilesEvent>(_getFilesEvent);
-    on<SaveLevelsEvent>(_saveLevelsEvent);
+    on<GetImagesEvent>(_getImagesEvent);
     loadingStream = _loadingStreamUseCase();
   }
 
   /// ------------UseCases------------
-  final GetFilesUseCase _getFilesUseCase;
-  final SaveLevelsUseCase _saveLevelsUseCase;
+  final GetImagesUseCase _getImagesUseCase;
   final LoadingStreamUseCase _loadingStreamUseCase;
 
   /// ------------Variables------------
@@ -41,15 +37,23 @@ class IntroBloc extends Bloc<IntroEvent, IntroState> {
   /// ------------Functions------------
 
   /// ------------Api Calls------------
-  FutureOr<void> _getFilesEvent(
-    GetFilesEvent event,
+  FutureOr<void> _getImagesEvent(
+    GetImagesEvent event,
     Emitter<IntroState> emit,
   ) async {
     emit(state.copyWith(getFilesStatus: BaseInit()));
-    await _getFilesUseCase(NoParams()).then((value) {
+    await _getImagesUseCase(NoParams()).then((value) {
       value.fold(
         (data) async {
-          add(SaveLevelsEvent());
+          if(LocalStorage.readData(key: MyConstants.firstLanguagePage) != 'true'){
+            ContextProvider.context.goNamed(Routes.languagePage);
+          } else {
+            await Future.delayed(Duration(milliseconds: 500), () {
+              if (ContextProvider.context.mounted) {
+                ContextProvider.context.goNamed(Routes.homePage);
+              }
+            });
+          }
         },
         (error) async {
           emit(state.copyWith(getFilesStatus: BaseError(error.errorMessage)));
@@ -57,26 +61,4 @@ class IntroBloc extends Bloc<IntroEvent, IntroState> {
       );
     });
   }
-
-  FutureOr<void> _saveLevelsEvent(SaveLevelsEvent event,
-      Emitter<IntroState> emit) async {
-    await _saveLevelsUseCase(NoParams()).then((value) =>
-        value.fold(
-          (data) async {
-            if(LocalStorage.readData(key: MyConstants.firstLanguagePage) != 'true'){
-              ContextProvider.context.goNamed(Routes.languagePage);
-            } else {
-              await Future.delayed(Duration(milliseconds: 500), () {
-                if (ContextProvider.context.mounted) {
-                  ContextProvider.context.goNamed(Routes.homePage);
-                }
-              });
-            }
-          },
-          (error) {
-            emit(state.copyWith(getFilesStatus: BaseError(error.errorMessage)));
-          },
-        ),
-    );
-  }
 }

lib/features/intro/presentation/bloc/intro_event.dart

@@ -1,5 +1,4 @@
 sealed class IntroEvent {
   const IntroEvent();
 }
-class GetFilesEvent extends IntroEvent {}
-class SaveLevelsEvent extends IntroEvent {}
+class GetImagesEvent extends IntroEvent {}

lib/features/intro/presentation/ui/intro_page.dart

@@ -10,7 +10,7 @@ import 'package:hadi_hoda_flutter/core/utils/my_image.dart';
 import 'package:hadi_hoda_flutter/core/utils/my_localization.dart';
 import 'package:hadi_hoda_flutter/core/utils/screen_size.dart';
 import 'package:hadi_hoda_flutter/core/widgets/error/error_state.dart';
-import 'package:hadi_hoda_flutter/features/intro/domain/entities/download_entity.dart';
+import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
 import 'package:hadi_hoda_flutter/features/intro/presentation/bloc/intro_bloc.dart';
 import 'package:hadi_hoda_flutter/features/intro/presentation/bloc/intro_event.dart';
 import 'package:hadi_hoda_flutter/features/intro/presentation/bloc/intro_state.dart';
@@ -27,7 +27,7 @@ class _IntroPageState extends State<IntroPage> {
   @override
   void initState() {
     super.initState();
-    context.read<IntroBloc>().add(GetFilesEvent());
+    context.read<IntroBloc>().add(GetImagesEvent());
   }
 
   @override
@@ -66,7 +66,7 @@ class _IntroPageState extends State<IntroPage> {
                     horizontal: 60,
                   ),
                   child: ErrorState(
-                    onTap: () => context.read<IntroBloc>().add(GetFilesEvent()),
+                    onTap: () => context.read<IntroBloc>().add(GetImagesEvent()),
                   ),
                 );
               } else {

lib/features/intro/presentation/ui/widgets/intro_loading_widget.dart

@@ -1,7 +1,7 @@
 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/intro/domain/entities/download_entity.dart';
+import 'package:hadi_hoda_flutter/features/download/domain/entities/download_entity.dart';
 
 
 class IntroLoadingWidget extends StatelessWidget {

lib/features/language/presentation/bloc/language_bloc.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:io';
+
 import 'package:bloc/bloc.dart';
 import 'package:go_router/go_router.dart';
 import 'package:hadi_hoda_flutter/core/constants/my_constants.dart';
@@ -14,7 +15,6 @@ import 'package:hadi_hoda_flutter/features/language/presentation/bloc/language_s
 class LanguageBloc extends Bloc<LanguageEvent, LanguageState> {
   /// ------------constructor------------
   LanguageBloc() : super(const LanguageState()) {
-    LocalStorage.saveData(key: MyConstants.firstLanguagePage, value: 'true');
     on<ChangeLanguageEvent>(_changeLanguageEvent);
     on<SaveLevelsEvent>(_saveLevelsEvent);
     on<InitLanguageEvent>(_initLanguageEvent);
@@ -44,31 +44,34 @@ class LanguageBloc extends Bloc<LanguageEvent, LanguageState> {
     SaveLevelsEvent event,
     Emitter<LanguageState> emit,
   ) async {
-    await LocalStorage.saveData(
-      key: MyConstants.selectLanguage,
-      value: state.selectedLang.code ?? 'fa',
-    );
+    await Future.wait([
+      LocalStorage.saveData(
+        key: MyConstants.selectLanguage,
+        value: state.selectedLang.code ?? 'fa',
+      ),
+      LocalStorage.saveData(key: MyConstants.firstLanguagePage, value: 'true')
+    ]);
+
     if (Directory(
-        '${StoragePath.documentDir.path}/${state.selectedLang.code}/files')
+        '${StoragePath.documentDir.path}/${state.selectedLang.code}/audio')
         .existsSync()) {
       if (ContextProvider.context.mounted) {
         ContextProvider.context.goNamed(Routes.homePage);
       }
     } else {
       await Future.wait([
-        LocalStorage.deleteData(key: MyConstants.downloadCompleted),
-        LocalStorage.deleteData(key: MyConstants.extractCompleted),
+        LocalStorage.deleteData(key: MyConstants.downloadedAudio),
+        LocalStorage.deleteData(key: MyConstants.extractedAudio),
       ]);
       if (ContextProvider.context.mounted) {
-        ContextProvider.context.goNamed(Routes.introPage);
+        ContextProvider.context.goNamed(Routes.downloadPage);
       }
     }
   }
 
   FutureOr<void> _initLanguageEvent(InitLanguageEvent event, Emitter<LanguageState> emit) {
-    final String selectedLanguage = LocalStorage.readData(key: MyConstants.selectLanguage).isEmpty
-        ? 'fa'
-        : LocalStorage.readData(key: MyConstants.selectLanguage);
+    final String selectedLanguage = LocalStorage.readData(
+        key: MyConstants.selectLanguage) ?? 'fa';
     emit(state.copyWith(selectedLang: LanguageEntity(code: selectedLanguage)));
   }
 }

lib/features/level/data/datasource/level_datasource.dart

@@ -18,7 +18,7 @@ class LocalLevelDatasourceImpl implements ILevelDatasource {
   Future<List<LevelEntity>> getLevels({required LevelParams params}) async {
     try {
       final String selectedLanguage = LocalStorage.readData(
-          key: MyConstants.selectLanguage);
+          key: MyConstants.selectLanguage) ?? 'fa';
       final Box<TotalDataEntity> levelBox = Hive.box(MyConstants.levelBox);
       final TotalDataEntity findData = levelBox.values.singleWhere(
         (e) => e.code == selectedLanguage,

lib/features/level/presentation/bloc/level_bloc.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+
 import 'package:bloc/bloc.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:go_router/go_router.dart';
@@ -83,7 +84,7 @@ class LevelBloc extends Bloc<LevelEvent, LevelState> {
 
   LevelType getLevelType(int index) {
     final int currentLevel = int.parse(
-      LocalStorage.readData(key: MyConstants.currentLevel),
+      LocalStorage.readData(key: MyConstants.currentLevel) ?? '1',
     );
 
     if (index < currentLevel) {
@@ -99,7 +100,7 @@ class LevelBloc extends Bloc<LevelEvent, LevelState> {
   FutureOr<void> _getLevelListEvent(GetLevelListEvent event,
       Emitter<LevelState> emit) async {
     final int currentLevel = int.parse(
-      LocalStorage.readData(key: MyConstants.currentLevel),
+      LocalStorage.readData(key: MyConstants.currentLevel) ?? '1',
     );
     await _getLeveslUseCase(LevelParams()).then((value) {
       value.fold(
@@ -124,7 +125,7 @@ class LevelBloc extends Bloc<LevelEvent, LevelState> {
     Emitter<LevelState> emit,
   ) async {
     final int currentLevel = int.parse(
-      LocalStorage.readData(key: MyConstants.currentLevel),
+      LocalStorage.readData(key: MyConstants.currentLevel) ?? '1',
     );
 
     await Future.delayed(const Duration(seconds: 1));
@@ -147,9 +148,9 @@ class LevelBloc extends Bloc<LevelEvent, LevelState> {
 
   FutureOr<void> _setCurrentLevelEvent(SetCurrentLevelEvent event,
       Emitter<LevelState> emit) async {
-    final String currentLevel = LocalStorage.readData(
+    final String? currentLevel = LocalStorage.readData(
         key: MyConstants.currentLevel);
-    if (currentLevel.isEmpty) {
+    if (currentLevel == null || currentLevel.isEmpty) {
       await LocalStorage.saveData(key: MyConstants.currentLevel, value: '1');
     }
     add(GetLevelListEvent());

lib/features/question/data/datasource/question_datasource.dart

@@ -18,7 +18,7 @@ class QuestionDatasourceImpl implements IQuestionDatasource {
   Future<LevelEntity> getLevel({required QuestionParams params}) async {
     try {
       final String selectedLanguage = LocalStorage.readData(
-          key: MyConstants.selectLanguage);
+          key: MyConstants.selectLanguage) ?? 'fa';
       final Box<TotalDataEntity> levelBox = Hive.box(MyConstants.levelBox);
       final TotalDataEntity findData = levelBox.values.singleWhere(
         (e) => e.code == selectedLanguage,

lib/init_bindings.dart

@@ -1,14 +1,20 @@
 import 'dart:io';
 
+import 'package:get_it/get_it.dart';
 import 'package:hadi_hoda_flutter/core/constants/my_constants.dart';
 import 'package:hadi_hoda_flutter/core/network/http_request.dart';
 import 'package:hadi_hoda_flutter/core/network/http_request_impl.dart';
+import 'package:hadi_hoda_flutter/features/download/data/datasource/download_datasource.dart';
+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/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_files_usecase.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/intro/domain/usecases/save_levels_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';
@@ -26,7 +32,6 @@ import 'package:hadi_hoda_flutter/features/sample/data/datasource/sample_datasou
 import 'package:hadi_hoda_flutter/features/sample/data/repository_impl/sample_repository_impl.dart';
 import 'package:hadi_hoda_flutter/features/sample/domain/repository/sample_repository.dart';
 import 'package:hadi_hoda_flutter/features/sample/domain/usecases/get_sample_usecase.dart';
-import 'package:get_it/get_it.dart';
 import 'package:hive/hive.dart';
 import 'package:path_provider/path_provider.dart';
 
@@ -44,10 +49,16 @@ void initBindings() {
   /// Intro Feature
   locator.registerLazySingleton<IIntroDatasource>(() => IntroDatasourceImpl(locator()));
   locator.registerLazySingleton<IIntroRepository>(() => IntroRepositoryImpl(locator()));
-  locator.registerLazySingleton<GetFilesUseCase>(() => GetFilesUseCase(locator()));
-  locator.registerLazySingleton<SaveLevelsUseCase>(() => SaveLevelsUseCase(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<GetAudiosUseCase>(() => GetAudiosUseCase(locator()));
+  locator.registerLazySingleton<SaveLevelsUseCase>(() => SaveLevelsUseCase(locator()));
+  locator.registerLazySingleton<LoadingStreamAudioUseCase>(() => LoadingStreamAudioUseCase(locator()));
+
   /// Language Feature
 
   /// Home Feature

lib/main.dart

@@ -1,13 +1,12 @@
-import 'package:hadi_hoda_flutter/common_ui/theme/theme_service.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/l10n/app_localizations.dart';
-import 'package:hadi_hoda_flutter/init_bindings.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:hadi_hoda_flutter/common_ui/theme/my_theme.dart';
-import 'package:hadi_hoda_flutter/core/auth_storage/auth_storage.dart';
+import 'package:hadi_hoda_flutter/common_ui/theme/theme_service.dart';
 import 'package:hadi_hoda_flutter/core/routers/my_routes.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/init_bindings.dart';
+import 'package:hadi_hoda_flutter/l10n/app_localizations.dart';
 
 Future<void> main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -17,7 +16,6 @@ Future<void> main() async {
     StoragePath.getDocumentDir(),
     initDataBase(),
   ]);
-  AuthStorage.loadData();
   runApp(const MainApp());
 }