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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:pmu/components/utils/debounce.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:pmu/domain/models/card.dart';
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import 'package:pmu/data/repositories/cats_repository.dart';
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import 'package:pmu/presentation/details_page/details_page.dart';
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import 'package:pmu/presentation/home_page/bloc/bloc.dart';
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import 'package:pmu/presentation/home_page/bloc/events.dart';
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import 'package:pmu/presentation/home_page/bloc/state.dart';
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part 'card.dart';
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class MyHomePage extends StatefulWidget {
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const MyHomePage({super.key, required this.title});
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final String title;
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@override
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State<MyHomePage> createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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@override
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Widget build(BuildContext context) {
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return Scaffold(body: Body());
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}
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}
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class Body extends StatefulWidget {
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const Body();
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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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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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WidgetsBinding.instance.addPostFrameCallback((_) {
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context.read<HomeBloc>().add(const HomeLoadDataEvent());
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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 Padding(
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padding: EdgeInsets.only(top: MediaQuery.of(context).padding.top),
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child: Column(
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children: [
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Padding(
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padding: const EdgeInsets.all(12),
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child: CupertinoSearchTextField(
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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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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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: 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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padding: EdgeInsets.zero,
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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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? _Card.fromData(
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data,
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onLike: (title, isLiked) =>
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_showSnackBar(context, title, isLiked),
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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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BlocBuilder<HomeBloc, HomeState>(
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builder: (context, state) => state.isPaginationLoading
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? const CircularProgressIndicator()
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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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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 _navToDetails(BuildContext context, CardData data) {
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Navigator.push(
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context,
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CupertinoPageRoute(builder: (context) => DetailsPage(data)),
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);
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}
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void _showSnackBar(BuildContext context, String title, 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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'You ${isLiked ? 'like!' : 'disliked :('} $title ',
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style: Theme.of(context).textTheme.bodyLarge,
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),
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backgroundColor: Colors.deepPurple.shade600,
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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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