212 lines
7.5 KiB
Dart
212 lines
7.5 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:mobiles_labs_5th_semester/components/extensions/context_x.dart';
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import 'package:mobiles_labs_5th_semester/domain/models/game.dart';
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import 'package:mobiles_labs_5th_semester/presentation/common/svg_objects.dart';
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import 'package:mobiles_labs_5th_semester/presentation/details_page/details_page.dart';
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import 'package:mobiles_labs_5th_semester/presentation/home_page/bloc/bloc.dart';
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import 'package:mobiles_labs_5th_semester/presentation/home_page/bloc/events.dart';
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import 'package:mobiles_labs_5th_semester/presentation/home_page/bloc/state.dart';
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import 'package:mobiles_labs_5th_semester/presentation/like_bloc/like_bloc.dart';
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import 'package:mobiles_labs_5th_semester/presentation/locale_bloc/locale_events.dart';
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import '../../components/utils/debounce.dart';
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import '../like_bloc/like_event.dart';
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import '../like_bloc/like_state.dart';
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import '../locale_bloc/locale_bloc.dart';
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import '../locale_bloc/locale_state.dart';
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part 'game_card.dart';
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class HomePage extends StatefulWidget {
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const HomePage({super.key, required this.title});
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final String title;
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@override
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State<HomePage> createState() => _HomePageState();
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}
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class _HomePageState extends State<HomePage> {
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@override
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void initState() {
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Color.fromARGB(255, 46, 65, 80),
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appBar: AppBar(
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backgroundColor: Color.fromARGB(255, 56, 90, 128),
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title: Text(
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widget.title,
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style: const TextStyle(color: Colors.white, fontWeight: FontWeight.bold),
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),
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),
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body: const Body());
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}
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}
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class Body extends StatefulWidget {
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const Body({super.key});
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@override
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State<Body> createState() => _BodyState();
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}
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class _BodyState extends State<Body> {
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late Future<List<Game>?> data;
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final searchController = TextEditingController();
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final scrollController = ScrollController();
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@override
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void initState() {
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SvgObjects.init();
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//добавление кастомных событий
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WidgetsBinding.instance.addPostFrameCallback((_) {
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context.read<HomeBloc>().add(const HomeLoadDataEvent());
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context.read<LikeBloc>().add(const LoadLikesEvent());
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});
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scrollController.addListener(_onNextPageListener);
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super.initState();
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}
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void _onNextPageListener() {
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if (scrollController.offset >= scrollController.position.maxScrollExtent) {
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final bloc = context.read<HomeBloc>();
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if (!bloc.state.isPaginationLoading) {
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bloc.add(HomeLoadDataEvent(
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search: searchController.text,
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nextPage: bloc.state.data?.nextPage,
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));
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}
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}
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}
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@override
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void dispose() {
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searchController.dispose();
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scrollController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Column(
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children: [
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Padding(
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padding: const EdgeInsets.only(top: 12, left: 12, right: 12),
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child: Row(
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children: [
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Expanded(
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flex: 3,
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child: CupertinoSearchTextField(
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placeholder: context.locale.search,
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backgroundColor: Colors.white,
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style: TextStyle(color: Color.fromARGB(255, 46, 65, 80)),
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controller: searchController,
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onChanged: (search) {
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Debounce.run(() => context.read<HomeBloc>().add(HomeLoadDataEvent(search: search)));
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},
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),
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),
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//значок svg с языком
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Padding(
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padding: const EdgeInsets.only(left: 12.0),
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child: GestureDetector(
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//при нажатии на значок отправка события в bloc
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onTap: () => context.read<LocaleBloc>().add(const ChangeLocaleEvent()),
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child: SizedBox.square(
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dimension: 50,
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child: Padding(
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padding: EdgeInsets.only(right: 12),
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child: BlocBuilder<LocaleBloc, LocaleState>(builder: (context, state) {
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return state.currentLocale.languageCode == 'ru' ? const SvgRu() : const SvgUk();
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}),
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),
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)),
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)
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],
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),
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),
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BlocBuilder<HomeBloc, HomeState>(
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builder: (context, state) => state.error != null
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? Text(
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state.error ?? '',
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style: Theme.of(context).textTheme.headlineSmall?.copyWith(color: Colors.red),
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)
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: state.isLoading
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? const CircularProgressIndicator()
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: BlocBuilder<LikeBloc, LikeState>(
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builder: (context, likeState) {
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return Expanded(
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child: RefreshIndicator(
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onRefresh: _onRefresh,
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child: ListView.builder(
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controller: scrollController,
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itemCount: state.data?.data?.length ?? 0,
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itemBuilder: (context, index) {
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final data = state.data?.data?[index];
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return data != null
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? _GameCard.fromData(
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data,
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onLike: _onLike,
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isLiked: likeState.likedIds?.contains(data.id.toString()) == true,
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onTap: () => _navToDetails(context, data),
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)
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: const SizedBox.shrink();
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},
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),
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),
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);
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},
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)),
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//значок загрузки при пагинации
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BlocBuilder<HomeBloc, HomeState>(
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builder: (context, state) => state.isPaginationLoading ? const CircularProgressIndicator() : const SizedBox.shrink(),
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)
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],
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);
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}
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Future<void> _onRefresh() {
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context.read<HomeBloc>().add(HomeLoadDataEvent(search: searchController.text));
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return Future.value(null);
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}
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void _onLike(String? id, String name, bool isLiked) {
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if (id != null) {
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context.read<LikeBloc>().add(ChangeLikeEvent(id));
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_showSnackBar(context, name, !isLiked);
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}
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}
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void _showSnackBar(BuildContext context, String name, bool isLiked) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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ScaffoldMessenger.of(context).showSnackBar(SnackBar(
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content: Text(
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isLiked ? context.locale.liked + '"$name"' : context.locale.disliked + '"$name"',
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style: Theme.of(context).textTheme.bodyLarge?.copyWith(color: Colors.pink, fontWeight: FontWeight.bold),
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textAlign: TextAlign.center,
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),
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backgroundColor: Colors.white,
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duration: const Duration(seconds: 1),
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));
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});
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}
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void _navToDetails(BuildContext context, Game data) {
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if (data.id != null) {
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Navigator.push(
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context,
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CupertinoPageRoute(builder: (context) => DetailsPage(data.id!)),
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);
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}
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}
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}
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