6 лаба сделана (поиск вроде тоже работает)

lib/bloc.dart

@@ -0,0 +1,49 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'events.dart';
+import 'state.dart';
+import 'character_service.dart';
+import 'character.dart';
+import 'dart:async';
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+class DebouncedSearchCubit extends Cubit<String> {
+  DebouncedSearchCubit() : super('');
+
+  Timer? _debounce;
+
+  // Метод для обновления поиска с задержкой
+  void search(String query) {
+    if (_debounce?.isActive ?? false) _debounce?.cancel();
+    _debounce = Timer(const Duration(milliseconds: 500), () {
+      emit(query);
+    });
+  }
+
+  @override
+  Future<void> close() {
+    _debounce?.cancel();
+    return super.close();
+  }
+}
+
+class HomeBloc extends Bloc<HomeEvent, HomeState> {
+  final CharacterService characterService;
+
+  HomeBloc(this.characterService) : super(const HomeState()) {
+    on<HomeLoadDataEvent>(_onLoadData);
+  }
+
+  Future<void> _onLoadData(HomeLoadDataEvent event, Emitter<HomeState> emit) async {
+    emit(state.copyWith(status: HomeStatus.loading));
+
+    try {
+      final characters = await characterService.getCharacters(search: event.searchQuery);
+      print('Characters loaded: $characters'); // Отладочный вывод
+      emit(state.copyWith(status: HomeStatus.loaded, characters: characters));
+    } catch (e) {
+      print('Error: $e');
+      emit(state.copyWith(status: HomeStatus.error, errorMessage: e.toString()));
+    }
+  }
+}
+

lib/character.dart

@@ -59,7 +59,6 @@ class Character {
   }
 }
 
-
 class Survivor extends Character {
   Survivor({
     required String name,

lib/character_service.dart

@@ -7,16 +7,31 @@ const String baseUrl = 'http://192.168.1.83:5000';  // IP-адрес вмест
 class CharacterService {
   Future<List<Character>> getCharacters({String search = ''}) async {
     try {
-      final response = await http.get(Uri.parse('$baseUrl/characters?search=$search'));
+      // Формируем URL с параметром поиска
+      final uri = Uri.parse('$baseUrl/characters?search=$search');
 
+      // Выполняем HTTP-запрос
+      final response = await http.get(uri);
+
+      // Логирование данных для отладки
+      print('Response status: ${response.statusCode}');
+      print('Response body: ${response.body}');  // Выводим тело ответа для анализа
+
+      // Проверяем успешный ответ от сервера
       if (response.statusCode == 200) {
         final List<dynamic> data = json.decode(response.body);
+        print('Characters received: $data'); // Печать данных
+
+        // Возвращаем список объектов Character
         return data.map((item) => Character.fromJson(item)).toList();
       } else {
-        throw Exception('Ошибка загрузки данных с сервера. Статус: ${response.statusCode}');
+        // Ошибка, если сервер вернул не 200 статус
+        print('Error: Server responded with status ${response.statusCode}');
+        throw Exception('Ошибка загрузки данных с сервера');
       }
     } catch (e) {
-      print('Ошибка при получении данных: $e');
+      // Обработка ошибок при выполнении запроса
+      print('Error fetching characters: $e');
       throw Exception('Не удалось загрузить персонажей');
     }
   }

lib/events.dart

@@ -0,0 +1,17 @@
+import 'package:equatable/equatable.dart';
+
+abstract class HomeEvent extends Equatable {
+  const HomeEvent();
+
+  @override
+  List<Object?> get props => [];
+}
+
+class HomeLoadDataEvent extends HomeEvent {
+  final String searchQuery;
+
+  const HomeLoadDataEvent({this.searchQuery = ''});
+
+  @override
+  List<Object?> get props => [searchQuery];
+}

lib/main.dart

@@ -1,74 +1,72 @@
 import 'package:flutter/material.dart';
-import 'character.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'bloc.dart';
+import 'events.dart';
+import 'state.dart';
 import 'character_service.dart';
-import 'pages/CharacterDetailPage.dart';
+import 'character.dart';
+import 'pages/character_detail_page.dart';
+
+void main() {
+  runApp(
+    MultiBlocProvider(
+      providers: [
+        BlocProvider<HomeBloc>(
+          create: (_) => HomeBloc(CharacterService()),
+        ),
+        BlocProvider<DebouncedSearchCubit>(
+          create: (_) => DebouncedSearchCubit(),
+        ),
+      ],
+      child: MyApp(),
+    ),
+  );
+}
 
-void main() => runApp(MyApp());
 
 class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      title: 'Identity V Characters',
+      title: 'My App',
-      home: MyHomePage(title: 'Персонажи Identity V'),
+      home: MyHomePage(title: 'Identity'),
     );
   }
 }
 
-class MyHomePage extends StatefulWidget {
+class MyHomePage extends StatelessWidget {
-  MyHomePage({Key? key, required this.title}) : super(key: key);
-
   final String title;
 
-  @override
+  MyHomePage({required this.title});
-  _MyHomePageState createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  final CharacterService _characterService = CharacterService();
-  late Future<List<Character>> _futureCharacters;
-  final TextEditingController _searchController = TextEditingController();
-
-  @override
-  void initState() {
-    super.initState();
-    _futureCharacters = _characterService.getCharacters();
-  }
-
-  void _searchCharacters(String query) {
-    setState(() {
-      _futureCharacters = _characterService.getCharacters(search: query);
-    });
-  }
 
   @override
   Widget build(BuildContext context) {
+    // Загружаем данные сразу после инициализации страницы
+    context.read<HomeBloc>().add(HomeLoadDataEvent());
+
     return Scaffold(
       appBar: AppBar(
-        title: Text(widget.title),
+        title: Text(title),
         actions: [
           IconButton(
             icon: Icon(Icons.search),
             onPressed: () {
               showSearch(
                 context: context,
-                delegate: CharacterSearchDelegate(_searchCharacters),
+                delegate: CharacterSearchDelegate(),
               );
             },
           ),
         ],
       ),
-      body: FutureBuilder<List<Character>>(
+      body: BlocBuilder<HomeBloc, HomeState>(
-        future: _futureCharacters,
+        builder: (context, state) {
-        builder: (context, snapshot) {
+          if (state.status == HomeStatus.loading) {
-          if (snapshot.connectionState == ConnectionState.waiting) {
             return Center(child: CircularProgressIndicator());
-          } else if (snapshot.hasError) {
+          } else if (state.status == HomeStatus.error) {
-            return Center(child: Text('Ошибка: ${snapshot.error}'));
+            return Center(child: Text('Ошибка: ${state.errorMessage}'));
-          } else if (!snapshot.hasData || snapshot.data!.isEmpty) {
+          } else if (state.status == HomeStatus.loaded) {
-            return Center(child: Text('Нет персонажей'));
+            final characters = state.characters;
-          } else {
-            final characters = snapshot.data!;
 
             return ListView.builder(
               itemCount: characters.length,
@@ -81,27 +79,46 @@ class _MyHomePageState extends State<MyHomePage> {
                   ),
                   title: Text(character.name),
                   subtitle: Text(character.typeString),
-                  trailing: IconButton(
+                  onTap: () {
-                    icon: Icon(
+                    // Переход на страницу с деталями персонажа
-                      character.isLiked ? Icons.favorite : Icons.favorite_border,
+                    Navigator.push(
-                      color: character.isLiked ? Colors.red : null,
+                      context,
-                    ),
+                      MaterialPageRoute(
-                    onPressed: () {
+                        builder: (context) => CharacterDetailPage(character: character),
-                      setState(() {
-                        character.isLiked = !character.isLiked;
-                      });
-                      ScaffoldMessenger.of(context).showSnackBar(
-                        SnackBar(
-                          content: Text(
-                            character.isLiked
-                                ? '${character.name} понравился вам!'
-                                : '${character.name} убран из лайков.',
-                          ),
-                          duration: Duration(seconds: 2),
                       ),
                     );
                   },
+                );
+              },
+            );
+          } else {
+            return Center(child: Text('Нет данных.'));
+          }
+        },
       ),
+    );
+  }
+}
+
+class CharacterSearchDelegate extends SearchDelegate {
+  @override
+  Widget buildSuggestions(BuildContext context) {
+    // Показываем предложения на основе текущего запроса
+    return BlocProvider<HomeBloc>(
+      create: (context) => HomeBloc(CharacterService()),
+      child: BlocBuilder<HomeBloc, HomeState>(
+        builder: (context, state) {
+          final suggestions = state.characters
+              .where((character) => character.name.toLowerCase().contains(query.toLowerCase()))
+              .toList();
+
+          return ListView.builder(
+            itemCount: suggestions.length,
+            itemBuilder: (context, index) {
+              final character = suggestions[index];
+              return ListTile(
+                title: Text(character.name),
+                subtitle: Text(character.typeString),
                 onTap: () {
                   Navigator.push(
                     context,
@@ -113,37 +130,35 @@ class _MyHomePageState extends State<MyHomePage> {
               );
             },
           );
-          }
         },
       ),
     );
   }
-}
-
-class CharacterSearchDelegate extends SearchDelegate {
-  final Function(String) onSearch;
-
-  CharacterSearchDelegate(this.onSearch);
-
-  @override
-  Widget buildSuggestions(BuildContext context) {
-    return ListView();
-  }
 
   @override
   Widget buildResults(BuildContext context) {
-    onSearch(query); // Выполняем поиск
+    // Отправляем запрос с задержкой
-    return FutureBuilder<List<Character>>(
+    final debouncedSearchCubit = context.read<DebouncedSearchCubit>();
-      future: CharacterService().getCharacters(search: query),  // Запрашиваем персонажей с фильтром
+    debouncedSearchCubit.search(query);
-      builder: (context, snapshot) {
+
-        if (snapshot.connectionState == ConnectionState.waiting) {
+    return BlocBuilder<DebouncedSearchCubit, String>(
+      builder: (context, searchQuery) {
+        // Отправляем запрос на сервер через HomeBloc
+        if (searchQuery.isNotEmpty) {
+          context.read<HomeBloc>().add(HomeLoadDataEvent(searchQuery: searchQuery));
+        }
+
+        return BlocBuilder<HomeBloc, HomeState>(
+          builder: (context, state) {
+            if (state.status == HomeStatus.loading) {
               return Center(child: CircularProgressIndicator());
-        } else if (snapshot.hasError) {
+            } else if (state.status == HomeStatus.error) {
-          return Center(child: Text('Ошибка: ${snapshot.error}'));
+              return Center(child: Text('Ошибка: ${state.errorMessage}'));
-        } else if (!snapshot.hasData || snapshot.data!.isEmpty) {
+            } else if (state.status == HomeStatus.loaded) {
-          return Center(child: Text('Нет результатов для "$query"'));
+              final characters = state.characters
-        } else {
+                  .where((character) => character.name.toLowerCase().contains(searchQuery.toLowerCase()))
-          final characters = snapshot.data!;
+                  .toList();
+
               return ListView.builder(
                 itemCount: characters.length,
                 itemBuilder: (context, index) {
@@ -151,12 +166,24 @@ class CharacterSearchDelegate extends SearchDelegate {
                   return ListTile(
                     title: Text(character.name),
                     subtitle: Text(character.typeString),
+                    onTap: () {
+                      Navigator.push(
+                        context,
+                        MaterialPageRoute(
+                          builder: (context) => CharacterDetailPage(character: character),
+                        ),
                       );
                     },
                   );
+                },
+              );
+            } else {
+              return Center(child: Text('Нет результатов'));
             }
           },
         );
+      },
+    );
   }
 
   @override
@@ -165,7 +192,8 @@ class CharacterSearchDelegate extends SearchDelegate {
       IconButton(
         icon: Icon(Icons.clear),
         onPressed: () {
-          query = '';  // Очищаем запрос
+          query = '';  // Очистить запрос
+          showSuggestions(context);  // Показать предложения
         },
       ),
     ];
@@ -176,7 +204,7 @@ class CharacterSearchDelegate extends SearchDelegate {
     return IconButton(
       icon: Icon(Icons.arrow_back),
       onPressed: () {
-        close(context, null); // Закрываем поиск
+        close(context, null); // Закрыть поиск
       },
     );
   }

lib/pages/character_detail_page.dart

@@ -1,10 +1,11 @@
 import 'package:flutter/material.dart';
-import '../character.dart';
+import '../character.dart';  // Убедитесь, что путь правильный
 
 class CharacterDetailPage extends StatelessWidget {
   final Character character;
 
-  CharacterDetailPage({required this.character});
+  // Конструктор с обязательным параметром
+  const CharacterDetailPage({Key? key, required this.character}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -28,7 +29,6 @@ class CharacterDetailPage extends StatelessWidget {
             ),
             SizedBox(height: 20),
 
-
             Text(
               character.name, // Имя персонажа
               style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),

lib/state.dart

@@ -0,0 +1,33 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter/material.dart';
+import '../character.dart';  // Добавим импорт для Character
+
+enum HomeStatus { initial, loading, loaded, error }
+
+class HomeState extends Equatable {
+  final HomeStatus status;
+  final List<Character> characters;  // Список персонажей
+  final String errorMessage;
+
+  const HomeState({
+    this.status = HomeStatus.initial,
+    this.characters = const [],
+    this.errorMessage = '',
+  });
+
+  // Метод для обновления состояния
+  HomeState copyWith({
+    HomeStatus? status,
+    List<Character>? characters,
+    String? errorMessage,
+  }) {
+    return HomeState(
+      status: status ?? this.status,
+      characters: characters ?? this.characters,
+      errorMessage: errorMessage ?? this.errorMessage,
+    );
+  }
+
+  @override
+  List<Object?> get props => [status, characters, errorMessage];
+}

pubspec.lock

@@ -9,6 +9,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.11.0"
+  bloc:
+    dependency: transitive
+    description:
+      name: bloc
+      sha256: "106842ad6569f0b60297619e9e0b1885c2fb9bf84812935490e6c5275777804e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.1.4"
   boolean_selector:
     dependency: transitive
     description:
@@ -49,6 +57,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.8"
+  equatable:
+    dependency: "direct main"
+    description:
+      name: equatable
+      sha256: "567c64b3cb4cf82397aac55f4f0cbd3ca20d77c6c03bedbc4ceaddc08904aef7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.7"
   fake_async:
     dependency: transitive
     description:
@@ -62,6 +78,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_bloc:
+    dependency: "direct main"
+    description:
+      name: flutter_bloc
+      sha256: b594505eac31a0518bdcb4b5b79573b8d9117b193cc80cc12e17d639b10aa27a
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.1.6"
   flutter_lints:
     dependency: "direct dev"
     description:
@@ -147,6 +171,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.15.0"
+  nested:
+    dependency: transitive
+    description:
+      name: nested
+      sha256: "03bac4c528c64c95c722ec99280375a6f2fc708eec17c7b3f07253b626cd2a20"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   path:
     dependency: transitive
     description:
@@ -155,6 +187,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.0"
+  provider:
+    dependency: transitive
+    description:
+      name: provider
+      sha256: c8a055ee5ce3fd98d6fc872478b03823ffdb448699c6ebdbbc71d59b596fd48c
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.2"
   sky_engine:
     dependency: transitive
     description: flutter

pubspec.yaml

@@ -33,7 +33,8 @@ dependencies:
   flutter:
     sdk: flutter
   http: ^1.2.2
-
+  equatable: ^2.0.5
+  flutter_bloc: ^8.1.5
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8