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/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'; import '../common/svg_objects.dart'; import '../like_bloc/like_bloc.dart'; import '../like_bloc/like_event.dart'; import '../like_bloc/like_state.dart'; import '../locale_bloc/locale_bloc.dart'; import '../locale_bloc/locale_events.dart'; import '../locale_bloc/locale_state.dart'; part 'card.dart'; class HomePage extends StatefulWidget { const HomePage({super.key}); @override State createState() => _HomePageState(); } class _HomePageState extends State { @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 createState() => _BodyState(); } class _BodyState extends State { final scrollController = ScrollController(); final searchController = TextEditingController(); @override void initState() { SvgObjects.init(); WidgetsBinding.instance.addPostFrameCallback((_) { context.read().add(const HomeLoadDataEvent()); context.read().add(const LoadLikesEvent()); }); scrollController.addListener(_onNextPageListener); super.initState(); } void _onNextPageListener() { if (scrollController.offset > scrollController.position.maxScrollExtent) { final bloc = context.read(); 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 _onLike(String? id, String title, bool isLiked) { if (id != null) { context.read().add(ChangeLikeEvent(id)); _showSnackBar(context, title, !isLiked); } } 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 _onRefresh() { context .read() .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() .add(HomeLoadDataEvent(search: search))); })), GestureDetector( onTap: () => context.read().add(const ChangeLocaleEvent()), child: SizedBox.square( dimension: 50, child: Padding( padding: const EdgeInsets.only(right: 12), child: BlocBuilder( builder: (context, state) { return state.currentLocale.languageCode == 'ru' ? const SvgRu() : const SvgUk(); }, ), ), ), ), BlocBuilder( builder: (context, state) => state.isLoading ? CircularProgressIndicator() : BlocBuilder( builder: (context, likeState) => 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: _onLike, onTap: () => _navToDetails(context, data), ) : const SizedBox.shrink(); }), ), ))), BlocBuilder( builder: (context, state) => state.isPaginationLoading ? const CircularProgressIndicator() : const SizedBox.shrink()) ], )); } } class HomeData { final List? data; final int? nextPage; HomeData({this.data, this.nextPage}); }