Mobiles_programming/lib/presentation/home_page/home_page.dart

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import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:mobiles_labs_5th_semester/data/repositories/mock_repository.dart';
import 'package:mobiles_labs_5th_semester/domain/models/game.dart';
import 'package:mobiles_labs_5th_semester/main.dart';
import 'package:mobiles_labs_5th_semester/presentation/details_page/details_page.dart';
import 'package:mobiles_labs_5th_semester/presentation/home_page/bloc/bloc.dart';
import 'package:mobiles_labs_5th_semester/presentation/home_page/bloc/events.dart';
import 'package:mobiles_labs_5th_semester/presentation/home_page/bloc/state.dart';
import '../../components/utils/debounce.dart';
import '../../data/repositories/games_repository.dart';
import 'bloc/state.dart';
part 'gameCard.dart';
class HomePage extends StatefulWidget {
const HomePage({super.key, required this.title});
final String title;
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
@override
void initState() {
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: Color.fromARGB(255, 46, 65, 80),
appBar: AppBar(
backgroundColor: Color.fromARGB(255, 56, 90, 128),
title: Text(
widget.title,
style: const TextStyle(
color: Colors.white, fontWeight: FontWeight.bold),
),
),
body: const Body());
}
}
class Body extends StatefulWidget {
const Body({super.key});
@override
State<Body> createState() => _BodyState();
}
class _BodyState extends State<Body> {
late Future<List<GameData>?> data;
final searchController = TextEditingController();
final scrollController = ScrollController();
// final repo = GamesRepository();
@override
void initState() {
//добавление кастомного события
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();
}
@override
Widget build(BuildContext context) {
return Column(
children: [
Padding(
padding: const EdgeInsets.only(top: 12, left: 12, right: 12),
child: CupertinoSearchTextField(
backgroundColor: Colors.white,
style: TextStyle(color: Color.fromARGB(255, 46, 65, 80)),
// borderRadius: const BorderRadiusTween(2.0),
controller: searchController,
onChanged: (search) {
Debounce.run(() => context
.read<HomeBloc>()
.add(HomeLoadDataEvent(search: search)));
},
),
),
BlocBuilder<HomeBloc, HomeState>(
builder: (context, state) => state.error != null
? Text(
state.error ?? '',
style: Theme.of(context)
.textTheme
.headlineSmall
?.copyWith(color: Colors.red),
)
: state.isLoading
? const CircularProgressIndicator()
: Expanded(
child: RefreshIndicator(
onRefresh: _onRefresh,
child: ListView.builder(
controller: scrollController,
itemCount: state.data?.data?.length ?? 0,
itemBuilder: (context, index) {
final data = state.data?.data?[index];
return data != null
? _GameCard.fromData(
data,
onLike: (title, isLiked) =>
_showSnackBar(context, title, isLiked),
onTap: () => _navToDetails(context, data),
)
: const SizedBox.shrink();
},
),
),
),
),
//значок загрузки при пагинации
BlocBuilder<HomeBloc, HomeState>(
builder: (context, state) => state.isPaginationLoading
? const CircularProgressIndicator()
: const SizedBox.shrink(),
)
],
);
}
Future<void> _onRefresh() {
context
.read<HomeBloc>()
.add(HomeLoadDataEvent(search: searchController.text));
return Future.value(null);
}
void _showSnackBar(BuildContext context, String title, bool isLiked) {
WidgetsBinding.instance.addPostFrameCallback((_) {
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text(
isLiked
? 'Вы поставили лайк игре "$title"'
: 'Вы убрали лайк у игры "$title"',
style: Theme.of(context)
.textTheme
.bodyLarge
?.copyWith(color: Colors.pink, fontWeight: FontWeight.bold),
textAlign: TextAlign.center,
),
backgroundColor: Colors.white,
duration: const Duration(seconds: 1),
));
});
}
void _navToDetails(BuildContext context, GameData data) {
Navigator.push(
context,
CupertinoPageRoute(builder: (context) => DetailsPage(data.id ?? 0)),
);
}
}