6 lab architecture, pagination, searchController

lib/components/utils/debounce.dart

@@ -0,0 +1,22 @@
+import 'dart:async';
+import 'dart:ui';
+
+import 'package:flutter/cupertino.dart';
+
+class Debounce {
+  factory Debounce() => _instance;
+
+  Debounce._();
+
+  static final Debounce _instance = Debounce._();
+
+  static Timer? _timer;
+
+  static void run(
+    VoidCallback action, {
+    Duration delay = const Duration(milliseconds: 500),
+  }) {
+    _timer?.cancel();
+    _timer = Timer(delay, action);
+  }
+}

lib/components/utils/error_callback.dart

@@ -0,0 +1 @@
+typedef OnErrorCallback = void Function(String? error)?;

lib/data/dtos/mangas_dto.dart

@@ -0,0 +1,63 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'mangas_dto.g.dart';
+
+@JsonSerializable(createToJson: false)
+class MangasDto {
+  final List<MangaDataDto>? data;
+  final MangaPaginationDto? pagination;
+  const MangasDto({this.data, this.pagination});
+
+  factory MangasDto.fromJson(Map<String, dynamic> json) =>
+      _$MangasDtoFromJson(json);
+}
+@JsonSerializable(createToJson: false)
+class MangaPaginationDto {
+  @JsonKey(name: 'current_page')
+  final int? currentPage;
+  @JsonKey(name: 'has_next_page')
+  final bool? hasNextPage;
+  @JsonKey(name: 'last_visible_page')
+  final int? lastVisiblePage;
+
+  const MangaPaginationDto({this.currentPage, this.hasNextPage, this.lastVisiblePage});
+
+  factory MangaPaginationDto.fromJson(Map<String, dynamic> json) =>
+      _$MangaPaginationDtoFromJson(json);
+}
+
+@JsonSerializable(createToJson: false)
+class MangaDataDto {
+  final String? id;
+  final String? type;
+  final String? title;
+  final String? status;
+  final double? score;
+  final int? scored_by;
+  final MangaDataImagesDto? images;
+
+  const MangaDataDto(this.title, this.status, this.score, this.scored_by, this.images, {this.id, this.type});
+
+  factory MangaDataDto.fromJson(Map<String, dynamic> json) =>
+      _$MangaDataDtoFromJson(json);
+}
+
+@JsonSerializable(createToJson: false)
+class MangaDataImagesDto {
+  final MangaDataImagesJPGDto? jpg;
+
+  const MangaDataImagesDto({this.jpg});
+
+  factory MangaDataImagesDto.fromJson(Map<String, dynamic> json) =>
+      _$MangaDataImagesDtoFromJson(json);
+}
+
+@JsonSerializable(createToJson: false)
+class MangaDataImagesJPGDto {
+  final String? image_url;
+
+  const MangaDataImagesJPGDto({this.image_url});
+
+  factory MangaDataImagesJPGDto.fromJson(Map<String, dynamic> json) =>
+  _$MangaDataImagesJPGDtoFromJson(json);
+}

lib/data/dtos/mangas_dto.g.dart

@@ -0,0 +1,49 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'mangas_dto.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+MangasDto _$MangasDtoFromJson(Map<String, dynamic> json) => MangasDto(
+      data: (json['data'] as List<dynamic>?)
+          ?.map((e) => MangaDataDto.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      pagination: json['pagination'] == null
+          ? null
+          : MangaPaginationDto.fromJson(
+              json['pagination'] as Map<String, dynamic>),
+    );
+
+MangaPaginationDto _$MangaPaginationDtoFromJson(Map<String, dynamic> json) =>
+    MangaPaginationDto(
+      currentPage: (json['current_page'] as num?)?.toInt(),
+      hasNextPage: json['has_next_page'] as bool?,
+      lastVisiblePage: (json['last_visible_page'] as num?)?.toInt(),
+    );
+
+MangaDataDto _$MangaDataDtoFromJson(Map<String, dynamic> json) => MangaDataDto(
+      json['title'] as String?,
+      json['status'] as String?,
+      (json['score'] as num?)?.toDouble(),
+      (json['scored_by'] as num?)?.toInt(),
+      json['images'] == null
+          ? null
+          : MangaDataImagesDto.fromJson(json['images'] as Map<String, dynamic>),
+      id: json['id'] as String?,
+      type: json['type'] as String?,
+    );
+
+MangaDataImagesDto _$MangaDataImagesDtoFromJson(Map<String, dynamic> json) =>
+    MangaDataImagesDto(
+      jpg: json['jpg'] == null
+          ? null
+          : MangaDataImagesJPGDto.fromJson(json['jpg'] as Map<String, dynamic>),
+    );
+
+MangaDataImagesJPGDto _$MangaDataImagesJPGDtoFromJson(
+        Map<String, dynamic> json) =>
+    MangaDataImagesJPGDto(
+      image_url: json['image_url'] as String?,
+    );

lib/data/mappers/mangas_mapper.dart

@@ -0,0 +1,19 @@
+import 'package:flutter_app/data/dtos/mangas_dto.dart';
+import 'package:flutter_app/domain/models/carddata.dart';
+import 'package:flutter_app/presentation/home_page/home_page.dart';
+
+extension MangaDataDtoMapper on MangaDataDto {
+  CardData toDomain() => CardData(
+        title ?? 'UNKNOWN',
+        imageUrl: images?.jpg?.image_url,
+        descriptionText:
+            'Статус: ${status}. Рейтинг: ${score}. Людей поставило оценку: ${scored_by}',
+      );
+}
+extension MangasDtoToModel on MangasDto {
+  HomeData toDomain() => HomeData(
+    data: data?.map((e) => e.toDomain()).toList(),
+      nextPage: (pagination?.hasNextPage ?? false)
+          ? ((pagination?.currentPage ?? 0) + 1)
+          : null);
+}

lib/data/repositories/api_interface.dart

@@ -0,0 +1,6 @@
+import 'package:flutter_app/components/utils/error_callback.dart';
+import 'package:flutter_app/presentation/home_page/home_page.dart';
+
+abstract class ApiInterface {
+  Future<HomeData?> loadData({OnErrorCallback? onError});
+}

lib/data/repositories/manga_repository.dart

@@ -0,0 +1,43 @@
+import 'package:flutter_app/components/utils/error_callback.dart';
+import 'package:flutter_app/data/dtos/mangas_dto.dart';
+import 'package:flutter_app/data/mappers/mangas_mapper.dart';
+import 'package:flutter_app/data/repositories/api_interface.dart';
+import 'package:dio/dio.dart';
+import 'package:flutter_app/presentation/home_page/home_page.dart';
+import 'package:pretty_dio_logger/pretty_dio_logger.dart';
+
+class MangaRepository extends ApiInterface {
+  static final Dio _dio = Dio()
+    ..interceptors.add(PrettyDioLogger(
+      requestHeader: true,
+      requestBody: true,
+    ));
+  static const String _baseUrl = 'https://api.jikan.moe';
+
+  @override
+  Future<HomeData?> loadData({
+    OnErrorCallback? onError,
+    String? q,
+    int page = 1,
+    int pageSize = 25,
+  }) async {
+    try {
+      const String url = '$_baseUrl/v4/manga';
+
+      final Response<dynamic> response = await _dio
+          .get<Map<dynamic, dynamic>>(url, queryParameters: {
+        'q': q,
+        'page': page,
+        'limit': !(pageSize > 25) ? pageSize : 25
+      });
+
+      final MangasDto dto =
+          MangasDto.fromJson(response.data as Map<String, dynamic>);
+      final HomeData? data = dto.toDomain();
+      return data;
+    } on DioException catch (e) {
+      onError?.call(e.response?.statusMessage);
+      return null;
+    }
+  }
+}

lib/data/repositories/mock_repository.dart

@@ -0,0 +1,18 @@
+import 'package:flutter_app/components/utils/error_callback.dart';
+import 'package:flutter_app/data/repositories/api_interface.dart';
+import 'package:flutter_app/domain/models/carddata.dart';
+import 'package:flutter_app/presentation/home_page/home_page.dart';
+
+class MockRepository extends ApiInterface {
+  @override
+  Future<HomeData?> loadData({OnErrorCallback? onError}) async {
+    return HomeData(
+       data: [
+      CardData('JoJo’s Bizarre Adventure', descriptionText: 'kono dio da', imageUrl: 'https://i1.sndcdn.com/avatars-253MmMf9QZzxVBJi-rvlyeg-t1080x1080.jpg'),
+      CardData('Example', descriptionText: 'what is this?', imageUrl: 'https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQvaBQ6nAedlqvXsh-dLXZi2Gexy1RkDbTUKQ&s'),
+      CardData('Mock data', descriptionText: 'Mock data description', imageUrl: 'https://cdn-user30887.skyeng.ru/uploads/6692a339c6989979804399.png'),
+    ],
+    );
+  }
+
+}

lib/domain/models/carddata.dart

@@ -0,0 +1,10 @@
+
+class CardData {
+  final String text;
+  final String descriptionText;
+  final String? imageUrl;
+
+  CardData(this.text,
+      {required this.descriptionText,
+        this.imageUrl});
+}

lib/main.dart

@@ -1,4 +1,8 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_app/data/repositories/manga_repository.dart';
+import 'package:flutter_app/presentation/home_page/bloc/bloc.dart';
+import 'package:flutter_app/presentation/home_page/home_page.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 
 void main() {
   runApp(const MyApp());
@@ -13,113 +17,24 @@ class MyApp extends StatelessWidget {
     return MaterialApp(
       title: 'Flutter Demo',
       theme: ThemeData(
-        // This is the theme of your application.
-        //
-        // TRY THIS: Try running your application with "flutter run". You'll see
-        // the application has a purple toolbar. Then, without quitting the app,
-        // try changing the seedColor in the colorScheme below to Colors.green
-        // and then invoke "hot reload" (save your changes or press the "hot
-        // reload" button in a Flutter-supported IDE, or press "r" if you used
-        // the command line to start the app).
-        //
-        // Notice that the counter didn't reset back to zero; the application
-        // state is not lost during the reload. To reset the state, use hot
-        // restart instead.
-        //
-        // This works for code too, not just values: Most code changes can be
-        // tested with just a hot reload.
         colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
         useMaterial3: true,
       ),
-      home: const MyHomePage(title: 'Разубаев Сергей Михайлович'),
+      home: RepositoryProvider<MangaRepository>(
+        lazy: true,
+        create: (_) => MangaRepository(),
+        child: BlocProvider<HomeBloc>(
+          lazy: false,
+          create: (context) => HomeBloc(context.read<MangaRepository>()),
+          child: const HomePage(),
+        ),
+      )
     );
   }
 }
 
-class MyHomePage extends StatefulWidget {
-  const MyHomePage({super.key, required this.title});
 
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
 
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
 
-  final String title;
 
-  @override
-  State<MyHomePage> createState() => _MyHomePageState();
-}
 
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
-    return Scaffold(
-      appBar: AppBar(
-        // TRY THIS: Try changing the color here to a specific color (to
-        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
-        // change color while the other colors stay the same.
-        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
-        title: Text(widget.title),
-      ),
-      body: Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          //
-          // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
-          // action in the IDE, or press "p" in the console), to see the
-          // wireframe for each widget.
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headlineMedium,
-            ),
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
-    );
-  }
-}

lib/presentation/details_page/details_page.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_app/domain/models/carddata.dart';
+
+class DetailsPage extends StatelessWidget {
+  final CardData data;
+
+  const DetailsPage(this.data, {super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(),
+      body: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Padding(
+              padding: const EdgeInsets.only(bottom: 16.0),
+              child: ClipRRect(
+                borderRadius: BorderRadius.all(Radius.circular(20)),
+
+
+                  child: Image.network(data.imageUrl ?? ''),
+              )
+              ),
+
+          Padding(
+              padding: const EdgeInsets.only(bottom: 4.0),
+              child: Text(
+                data.text,
+                style: Theme.of(context).textTheme.headlineLarge,
+              )),
+          Text(
+              data.descriptionText,
+              style: Theme.of(context).textTheme.bodyLarge,
+              ),
+        ],
+      ),
+    );
+  }
+}

lib/presentation/home_page/bloc/bloc.dart

@@ -0,0 +1,27 @@
+import 'package:flutter_app/data/repositories/manga_repository.dart';
+import 'package:flutter_app/presentation/home_page/bloc/events.dart';
+import 'package:flutter_app/presentation/home_page/bloc/state.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+class HomeBloc extends Bloc<HomeEvent, HomeState>{
+  final MangaRepository repo;
+
+  HomeBloc(this.repo) : super (const HomeState()) {
+    on<HomeLoadDataEvent>(_onLoadData);
+  }
+ Future<void> _onLoadData(HomeLoadDataEvent event, Emitter<HomeState> emit) async {
+    if( event.nextPage == null) {
+      emit(state.copyWith(isLoading: true));
+    } else {
+      emit(state.copyWith(isPaginationLoading: true));
+      }
+
+    final data = await repo.loadData(q: event.search, page: event.nextPage ?? 1);
+
+    if (event.nextPage != null) {
+      data?.data?.insertAll(0, state.data?.data ?? []);
+    }
+
+    emit(state.copyWith(data: data, isLoading: false, isPaginationLoading: false));
+  }
+}

lib/presentation/home_page/bloc/events.dart

@@ -0,0 +1,9 @@
+abstract class HomeEvent {
+  const HomeEvent();
+}
+class HomeLoadDataEvent extends HomeEvent {
+  final String? search;
+  final int? nextPage;
+
+  const HomeLoadDataEvent({this.search, this.nextPage});
+}

lib/presentation/home_page/bloc/state.dart

@@ -0,0 +1,15 @@
+import 'package:equatable/equatable.dart';
+import 'package:flutter_app/presentation/home_page/home_page.dart';
+
+class HomeState extends Equatable {
+  final HomeData? data;
+  final bool isLoading;
+  final bool isPaginationLoading;
+  const HomeState({this.data, this.isLoading = false, this.isPaginationLoading = false});
+
+  HomeState copyWith({HomeData? data, bool? isLoading, bool? isPaginationLoading}) => HomeState(
+      data: data ?? this.data, isLoading: isLoading ?? this.isLoading, isPaginationLoading: isPaginationLoading ?? this.isPaginationLoading);
+
+  @override
+  List<Object?> get props => [data, isLoading, isPaginationLoading];
+}

lib/presentation/home_page/card.dart

@@ -0,0 +1,103 @@
+part of 'home_page.dart';
+
+class _CardState extends State<_Card> {
+  bool isLiked = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: widget.onTap,
+      child: Container(
+        margin: const EdgeInsets.only(top: 16),
+        constraints: const BoxConstraints(minHeight: 140),
+        padding: const EdgeInsets.all(16),
+        decoration: BoxDecoration(
+          color: Colors.amber,
+          borderRadius: BorderRadius.circular(20),
+          border: Border.all(
+            color: Colors.grey,
+            width: 2,
+          ),
+        ),
+        child: IntrinsicHeight(
+          child: Row(
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              ClipRRect(
+                borderRadius: BorderRadius.circular(20),
+                child: SizedBox(
+                  width: 140,
+                  height: 100,
+                  child: Image.network(
+                    widget.imageUrl ?? '',
+                    fit: BoxFit.cover,
+                    errorBuilder: (_, __, ___) => const Placeholder(),
+                  ),
+                ),
+              ),
+              Flexible(
+                  child: Padding(
+                padding: const EdgeInsets.only(left: 16.0),
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(widget.text,
+                        style: Theme.of(context).textTheme.headlineLarge),
+                    Text(widget.descriptionText,
+                        style: Theme.of(context).textTheme.bodyLarge),
+                  ],
+                ),
+              )),
+              Padding(
+                  padding:
+                      const EdgeInsets.only(left: 8.0, right: 16, bottom: 16),
+                  child: GestureDetector(
+                    onTap: () {
+                      setState(() {
+                        isLiked = !isLiked;
+                      });
+                      widget.onLike?.call(widget.text, isLiked);
+                    },
+                    child: AnimatedSwitcher(
+                      duration: const Duration(milliseconds: 300),
+                      child: isLiked
+                          ? const Icon(
+                              Icons.favorite,
+                              color: Colors.redAccent,
+                              key: ValueKey<int>(0),
+                            )
+                          : const Icon(Icons.favorite_border),
+                      key: ValueKey<int>(1),
+                    ),
+                  ))
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+typedef onLikeCallback = void Function(String title, bool isliked)?;
+
+class _Card extends StatefulWidget {
+  final String text;
+  final String descriptionText;
+  final String? imageUrl;
+  final onLikeCallback onLike;
+  final VoidCallback? onTap;
+
+  const _Card(this.text,
+      {required this.descriptionText, this.imageUrl, this.onLike, this.onTap});
+
+  factory _Card.fromData(CardData data, {onLikeCallback onLike, VoidCallback? onTap}) =>
+      _Card(data.text,
+          descriptionText: data.descriptionText,
+          imageUrl: data.imageUrl,
+          onLike: onLike,
+          onTap: onTap);
+
+  @override
+  State<_Card> createState() => _CardState();
+}

lib/presentation/home_page/home_page.dart

@@ -0,0 +1,156 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_app/components/utils/debounce.dart';
+import 'package:flutter_app/data/repositories/manga_repository.dart';
+import 'package:flutter_app/data/repositories/mock_repository.dart';
+import 'package:flutter_app/presentation/details_page/details_page.dart';
+import 'package:flutter_app/presentation/home_page/bloc/bloc.dart';
+import 'package:flutter_app/presentation/home_page/bloc/events.dart';
+import 'package:flutter_app/presentation/home_page/bloc/state.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+import '../../domain/models/carddata.dart';
+
+part 'card.dart';
+
+class HomePage extends StatefulWidget {
+  const HomePage({super.key});
+
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
+      ),
+      body: const Body(),
+    );
+  }
+}
+
+class Body extends StatefulWidget {
+  const Body({super.key});
+
+  @override
+  State<Body> createState() => _BodyState();
+}
+
+class _BodyState extends State<Body> {
+  final scrollController = ScrollController();
+  final searchController = TextEditingController();
+
+  @override
+  void initState() {
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      context.read<HomeBloc>().add(const HomeLoadDataEvent());
+    });
+    scrollController.addListener(_onNextPageListener);
+
+    super.initState();
+  }
+
+  void _onNextPageListener() {
+    if (scrollController.offset > scrollController.position.maxScrollExtent) {
+      final bloc = context.read<HomeBloc>();
+      if (!bloc.state.isPaginationLoading) {
+        bloc.add(HomeLoadDataEvent(
+            search: searchController.text,
+            nextPage: bloc.state.data?.nextPage));
+      }
+    }
+  }
+
+  @override
+  void dispose() {
+    searchController.dispose();
+    scrollController.dispose();
+    super.dispose();
+  }
+
+  final MangaRepository repo = MangaRepository();
+  var data = MangaRepository().loadData();
+
+  void _showSnackbar(BuildContext context, String title, bool isLiked) {
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(
+        content: Text(
+          'Лайк на $title ${isLiked ? 'поставлен' : 'убран'}',
+          style: Theme.of(context).textTheme.bodyLarge,
+        ),
+        backgroundColor: Colors.orangeAccent,
+        duration: const Duration(seconds: 1),
+      ));
+    });
+  }
+
+  void _navToDetails(BuildContext context, CardData data) {
+    Navigator.push(
+        context, CupertinoPageRoute(builder: (context) => DetailsPage(data)));
+  }
+
+  Future<void> _onRefresh() {
+    context
+        .read<HomeBloc>()
+        .add(HomeLoadDataEvent(search: searchController.text));
+    return Future.value(null);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+        padding: EdgeInsets.only(top: MediaQuery.of(context).padding.top),
+        child: Column(
+          children: [
+            Padding(
+                padding: const EdgeInsets.all(12),
+                child: CupertinoSearchTextField(
+                    controller: searchController,
+                    onChanged: (search) {
+                      Debounce.run(() => context
+                          .read<HomeBloc>()
+                          .add(HomeLoadDataEvent(search: search)));
+                    })),
+            BlocBuilder<HomeBloc, HomeState>(
+                builder: (context, state) => state.isLoading
+                    ? CircularProgressIndicator()
+                    : Expanded(
+                        child: RefreshIndicator(
+                          onRefresh: _onRefresh,
+                          child: ListView.builder(
+                              controller: scrollController,
+                              padding: EdgeInsets.zero,
+                              itemCount: state.data?.data?.length ?? 0,
+                              itemBuilder: (context, index) {
+                                final data = state.data?.data?[index];
+                                return data != null
+                                    ? _Card.fromData(
+                                        data,
+                                        onLike: (title, isLiked) =>
+                                            _showSnackbar(
+                                                context, title, isLiked),
+                                        onTap: () =>
+                                            _navToDetails(context, data),
+                                      )
+                                    : const SizedBox.shrink();
+                              }),
+                        ),
+                      )),
+            BlocBuilder<HomeBloc, HomeState>(
+                builder: (context, state) => state.isPaginationLoading
+                    ? const CircularProgressIndicator()
+                    : const SizedBox.shrink())
+          ],
+        ));
+  }
+}
+
+class HomeData {
+  final List<CardData>? data;
+  final int? nextPage;
+
+  HomeData({this.data, this.nextPage});
+}

pubspec.lock

@@ -1,6 +1,35 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      sha256: f256b0c0ba6c7577c15e2e4e114755640a875e885099367bf6e012b19314c834
+      url: "https://pub.dev"
+    source: hosted
+    version: "72.0.0"
+  _macros:
+    dependency: transitive
+    description: dart
+    source: sdk
+    version: "0.3.2"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      sha256: b652861553cd3990d8ed361f7979dc6d7053a9ac8843fa73820ab68ce5410139
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.7.0"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: bf9f5caeea8d8fe6721a9c358dd8a5c1947b27f1cfaa18b39c301273594919e6
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.6.0"
   async:
     dependency: transitive
     description:
@@ -9,6 +38,14 @@ 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:
@@ -17,6 +54,70 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
+  build:
+    dependency: transitive
+    description:
+      name: build
+      sha256: "80184af8b6cb3e5c1c4ec6d8544d27711700bc3e6d2efad04238c7b5290889f0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  build_config:
+    dependency: transitive
+    description:
+      name: build_config
+      sha256: bf80fcfb46a29945b423bd9aad884590fb1dc69b330a4d4700cac476af1708d1
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  build_daemon:
+    dependency: transitive
+    description:
+      name: build_daemon
+      sha256: "79b2aef6ac2ed00046867ed354c88778c9c0f029df8a20fe10b5436826721ef9"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
+  build_resolvers:
+    dependency: transitive
+    description:
+      name: build_resolvers
+      sha256: "339086358431fa15d7eca8b6a36e5d783728cf025e559b834f4609a1fcfb7b0a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
+  build_runner:
+    dependency: "direct dev"
+    description:
+      name: build_runner
+      sha256: "028819cfb90051c6b5440c7e574d1896f8037e3c96cf17aaeb054c9311cfbf4d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.13"
+  build_runner_core:
+    dependency: transitive
+    description:
+      name: build_runner_core
+      sha256: f8126682b87a7282a339b871298cc12009cb67109cfa1614d6436fb0289193e0
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.3.2"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      sha256: c7913a9737ee4007efedaffc968c049fd0f3d0e49109e778edc10de9426005cb
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.9.2"
   characters:
     dependency: transitive
     description:
@@ -25,6 +126,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.0"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      sha256: feb6bed21949061731a7a75fc5d2aa727cf160b91af9a3e464c5e3a32e28b5ff
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.3"
   clock:
     dependency: transitive
     description:
@@ -33,6 +142,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
+  code_builder:
+    dependency: transitive
+    description:
+      name: code_builder
+      sha256: f692079e25e7869c14132d39f223f8eec9830eb76131925143b2129c4bb01b37
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.10.0"
   collection:
     dependency: transitive
     description:
@@ -41,6 +158,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.18.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      sha256: b30acd5944035672bc15c6b7a8b47d773e41e2f17de064350988c5d02adb1c68
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.2"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: "1e445881f28f22d6140f181e07737b22f1e099a5e1ff94b0af2f9e4a463f4855"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.6"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -49,6 +182,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.8"
+  dart_style:
+    dependency: transitive
+    description:
+      name: dart_style
+      sha256: "7856d364b589d1f08986e140938578ed36ed948581fbc3bc9aef1805039ac5ab"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.7"
+  dio:
+    dependency: "direct main"
+    description:
+      name: dio
+      sha256: "5598aa796bbf4699afd5c67c0f5f6e2ed542afc956884b9cd58c306966efc260"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.7.0"
+  dio_web_adapter:
+    dependency: transitive
+    description:
+      name: dio_web_adapter
+      sha256: "33259a9276d6cea88774a0000cfae0d861003497755969c92faa223108620dc8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  equatable:
+    dependency: "direct main"
+    description:
+      name: equatable
+      sha256: c2b87cb7756efdf69892005af546c56c0b5037f54d2a88269b4f347a505e3ca2
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.5"
   fake_async:
     dependency: transitive
     description:
@@ -57,11 +222,35 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.1"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: b6dc7065e46c974bc7c5f143080a6764ec7a4be6da1285ececdc37be96de53be
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
   flutter:
     dependency: "direct main"
     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:
@@ -75,6 +264,78 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      sha256: f64a0333a82f30b0cca061bc3d143813a486dc086b574bfb233b7c1372427694
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.0"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      sha256: "0e7014b3b7d4dac1ca4d6114f82bf1782ee86745b9b42a92c9289c23d8a0ab63"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  graphs:
+    dependency: transitive
+    description:
+      name: graphs
+      sha256: "741bbf84165310a68ff28fe9e727332eef1407342fca52759cb21ad8177bb8d0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      sha256: "97486f20f9c2f7be8f514851703d0119c3596d14ea63227af6f7a481ef2b2f8b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      sha256: "2ec25704aba361659e10e3e5f5d672068d332fc8ac516421d483a11e5cbd061e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.4"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      sha256: c1b2e9b5ea78c45e1a0788d29606ba27dc5f71f019f32ca5140f61ef071838cf
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.1"
+  json_annotation:
+    dependency: "direct main"
+    description:
+      name: json_annotation
+      sha256: "1ce844379ca14835a50d2f019a3099f419082cfdd231cd86a142af94dd5c6bb1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.9.0"
+  json_serializable:
+    dependency: "direct dev"
+    description:
+      name: json_serializable
+      sha256: ea1432d167339ea9b5bb153f0571d0039607a873d6e04e0117af043f14a1fd4b
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.8.0"
   leak_tracker:
     dependency: transitive
     description:
@@ -107,6 +368,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.0.0"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
+  macros:
+    dependency: transitive
+    description:
+      name: macros
+      sha256: "0acaed5d6b7eab89f63350bccd82119e6c602df0f391260d0e32b5e23db79536"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.2-main.4"
   matcher:
     dependency: transitive
     description:
@@ -131,6 +408,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.15.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  nested:
+    dependency: transitive
+    description:
+      name: nested
+      sha256: "03bac4c528c64c95c722ec99280375a6f2fc708eec17c7b3f07253b626cd2a20"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      sha256: "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   path:
     dependency: transitive
     description:
@@ -139,11 +440,83 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.0"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.1"
+  pretty_dio_logger:
+    dependency: "direct main"
+    description:
+      name: pretty_dio_logger
+      sha256: "36f2101299786d567869493e2f5731de61ce130faa14679473b26905a92b6407"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  provider:
+    dependency: transitive
+    description:
+      name: provider
+      sha256: c8a055ee5ce3fd98d6fc872478b03823ffdb448699c6ebdbbc71d59b596fd48c
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.2"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      sha256: "40d3ab1bbd474c4c2328c91e3a7df8c6dd629b79ece4c4bd04bee496a224fb0c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  pubspec_parse:
+    dependency: transitive
+    description:
+      name: pubspec_parse
+      sha256: c799b721d79eb6ee6fa56f00c04b472dcd44a30d258fac2174a6ec57302678f8
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.0"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      sha256: ad29c505aee705f41a4d8963641f91ac4cee3c8fad5947e033390a7bd8180fa4
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      sha256: "073c147238594ecd0d193f3456a5fe91c4b0abbcc68bf5cd95b36c4e194ac611"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
   sky_engine:
     dependency: transitive
     description: flutter
     source: sdk
     version: "0.0.99"
+  source_gen:
+    dependency: transitive
+    description:
+      name: source_gen
+      sha256: "14658ba5f669685cd3d63701d01b31ea748310f7ab854e471962670abcf57832"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.0"
+  source_helper:
+    dependency: transitive
+    description:
+      name: source_helper
+      sha256: "6adebc0006c37dd63fe05bca0a929b99f06402fc95aa35bf36d67f5c06de01fd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.4"
   source_span:
     dependency: transitive
     description:
@@ -168,6 +541,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.2"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      sha256: "14a00e794c7c11aa145a170587321aedce29769c08d7f58b1d141da75e3b1c6f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
@@ -192,6 +573,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.2"
+  timing:
+    dependency: transitive
+    description:
+      name: timing
+      sha256: "70a3b636575d4163c477e6de42f247a23b315ae20e86442bebe32d3cabf61c32"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.2"
   vector_math:
     dependency: transitive
     description:
@@ -208,6 +605,46 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "14.2.5"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      sha256: "3d2ad6751b3c16cf07c7fca317a1413b3f26530319181b37e3b9039b84fc01d8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: cd3543bd5798f6ad290ea73d210f423502e71900302dde696f8bff84bf89a1cb
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  web_socket:
+    dependency: transitive
+    description:
+      name: web_socket
+      sha256: "3c12d96c0c9a4eec095246debcea7b86c0324f22df69893d538fcc6f1b8cce83"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.6"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      sha256: "9f187088ed104edd8662ca07af4b124465893caf063ba29758f97af57e61da8f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.1"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.2"
 sdks:
   dart: ">=3.5.2 <4.0.0"
   flutter: ">=3.18.0-18.0.pre.54"

pubspec.yaml

@@ -1,90 +1,33 @@
-name: pmu_labs
+name: flutter_app
 description: "Лабораторные по дисциплине ПМУ"
-# The following line prevents the package from being accidentally published to
-# pub.dev using `flutter pub publish`. This is preferred for private packages.
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 
-# The following defines the version and build number for your application.
-# A version number is three numbers separated by dots, like 1.2.43
-# followed by an optional build number separated by a +.
-# Both the version and the builder number may be overridden in flutter
-# build by specifying --build-name and --build-number, respectively.
-# In Android, build-name is used as versionName while build-number used as versionCode.
-# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
-# In iOS, build-name is used as CFBundleShortVersionString while build-number is used as CFBundleVersion.
-# Read more about iOS versioning at
-# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-# In Windows, build-name is used as the major, minor, and patch parts
-# of the product and file versions while build-number is used as the build suffix.
 version: 1.0.0+1
 
 environment:
   sdk: ^3.5.2
 
-# Dependencies specify other packages that your package needs in order to work.
-# To automatically upgrade your package dependencies to the latest versions
-# consider running `flutter pub upgrade --major-versions`. Alternatively,
-# dependencies can be manually updated by changing the version numbers below to
-# the latest version available on pub.dev. To see which dependencies have newer
-# versions available, run `flutter pub outdated`.
 dependencies:
   flutter:
     sdk: flutter
 
-
-  # The following adds the Cupertino Icons font to your application.
-  # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
+  json_annotation: ^4.8.1
+  dio: ^5.4.2+1
+  pretty_dio_logger: ^1.3.1
+
+  equatable: ^2.0.5
+  flutter_bloc: ^8.1.5
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
 
-  # The "flutter_lints" package below contains a set of recommended lints to
-  # encourage good coding practices. The lint set provided by the package is
-  # activated in the `analysis_options.yaml` file located at the root of your
-  # package. See that file for information about deactivating specific lint
-  # rules and activating additional ones.
+  build_runner: ^2.4.9
+  json_serializable: ^6.7.1
+
   flutter_lints: ^4.0.0
 
-# For information on the generic Dart part of this file, see the
-# following page: https://dart.dev/tools/pub/pubspec
-
-# The following section is specific to Flutter packages.
 flutter:
-
-  # The following line ensures that the Material Icons font is
-  # included with your application, so that you can use the icons in
-  # the material Icons class.
   uses-material-design: true
 
-  # To add assets to your application, add an assets section, like this:
-  # assets:
-  #   - images/a_dot_burr.jpeg
-  #   - images/a_dot_ham.jpeg
-
-  # An image asset can refer to one or more resolution-specific "variants", see
-  # https://flutter.dev/to/resolution-aware-images
-
-  # For details regarding adding assets from package dependencies, see
-  # https://flutter.dev/to/asset-from-package
-
-  # To add custom fonts to your application, add a fonts section here,
-  # in this "flutter" section. Each entry in this list should have a
-  # "family" key with the font family name, and a "fonts" key with a
-  # list giving the asset and other descriptors for the font. For
-  # example:
-  # fonts:
-  #   - family: Schyler
-  #     fonts:
-  #       - asset: fonts/Schyler-Regular.ttf
-  #       - asset: fonts/Schyler-Italic.ttf
-  #         style: italic
-  #   - family: Trajan Pro
-  #     fonts:
-  #       - asset: fonts/TrajanPro.ttf
-  #       - asset: fonts/TrajanPro_Bold.ttf
-  #         weight: 700
-  #
-  # For details regarding fonts from package dependencies,
-  # see https://flutter.dev/to/font-from-package

test/widget_test.dart

@@ -8,7 +8,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 
-import 'package:pmu_labs/main.dart';
+import 'package:flutter_app/main.dart';
 
 void main() {
   testWidgets('Counter increments smoke test', (WidgetTester tester) async {