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Extrimal 2024-11-08 17:25:26 +04:00
parent 46ac39cceb
commit a3719aa0cd
10 changed files with 171 additions and 28 deletions
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19
lib/components/utils/debounce.dart Normal file
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@ -0,0 +1,19 @@
import 'dart:async';
import 'dart:ui';
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);
}
}

14
lib/main.dart
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@ -1,7 +1,10 @@
import 'dart:ffi'; import 'dart:ffi';
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:mobile_app/presentation/home_page/bloc/bloc.dart';
import 'package:mobile_app/presentation/home_page/home_page.dart'; import 'package:mobile_app/presentation/home_page/home_page.dart';
import 'package:mobile_app/repositories/bar_repository.dart';
void main() { void main() {
runApp(const MyApp()); runApp(const MyApp());
@ -13,11 +16,20 @@ class MyApp extends StatelessWidget {
Widget build(BuildContext context) { Widget build(BuildContext context) {
return MaterialApp( return MaterialApp(
title: 'Flutter Demo', title: 'Flutter Demo',
debugShowCheckedModeBanner: false,
theme: ThemeData( theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple), colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
useMaterial3: true, useMaterial3: true,
), ),
home: const MyHomePage(title: 'Шаныгин Александр Владимирович'), home: RepositoryProvider<BarRepository>(
lazy: true,
create: (_) => BarRepository(),
child: BlocProvider<HomeBloc>(
lazy: false,
create: (context) => HomeBloc(context.read<BarRepository>()),
child: const MyHomePage(title: 'qqqqqqqq',),
),
),
); );
} }
} }

22
lib/presentation/home_page/bloc/bloc.dart Normal file
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@ -0,0 +1,22 @@
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:mobile_app/repositories/bar_repository.dart';
import 'package:mobile_app/presentation/home_page/bloc/events.dart';
import 'package:mobile_app/presentation/home_page/bloc/state.dart';
class HomeBloc extends Bloc<HomeEvent, HomeState> {
final BarRepository repo;
HomeBloc(this.repo) : super(const HomeState()) {
on<HomeLoadDataEvent>(_onLoadData);
}
Future<void> _onLoadData(HomeLoadDataEvent event, Emitter<HomeState> emit) async {
emit(state.copyWith(isLoading: true));
final data = await repo.loadData(q: event.search);
emit(state.copyWith(
isLoading: false,
data: data,
));
}
}

8
lib/presentation/home_page/bloc/events.dart Normal file
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@ -0,0 +1,8 @@
abstract class HomeEvent {
const HomeEvent();
}
class HomeLoadDataEvent extends HomeEvent {
final String? search;
const HomeLoadDataEvent({this.search});
}

19
lib/presentation/home_page/bloc/state.dart Normal file
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@ -0,0 +1,19 @@
import 'package:equatable/equatable.dart';
import 'package:mobile_app/domain/models/card.dart';
class HomeState extends Equatable {
final List<CardData>? data;
final bool isLoading;
const HomeState({this.data, this.isLoading = false});
HomeState copyWith({List<CardData>? data,
bool? isLoading,}) =>
HomeState(
data: data ?? this.data,
isLoading: isLoading ?? this.isLoading,
);
@override
List<Object?> get props => [data, isLoading];
}

63
lib/presentation/home_page/home_page.dart
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@ -1,12 +1,18 @@
import 'package:dio/dio.dart'; import 'package:dio/dio.dart';
import 'package:flutter/cupertino.dart'; import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart'; import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart'; import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:mobile_app/components/utils/debounce.dart';
import 'package:mobile_app/domain/models/card.dart'; import 'package:mobile_app/domain/models/card.dart';
import 'package:mobile_app/presentation/details_page/details_page.dart'; import 'package:mobile_app/presentation/details_page/details_page.dart';
import 'package:mobile_app/repositories/mock_repository.dart'; import 'package:mobile_app/repositories/mock_repository.dart';
import 'package:mobile_app/repositories/bar_repository.dart'; import 'package:mobile_app/repositories/bar_repository.dart';
import 'bloc/bloc.dart';
import 'bloc/events.dart';
import 'bloc/state.dart';
part 'card.dart'; part 'card.dart';
class MyHomePage extends StatefulWidget { class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title}); const MyHomePage({super.key, required this.title});
@ -42,21 +48,29 @@ class Body extends StatefulWidget {
class _BodyState extends State<Body> { class _BodyState extends State<Body> {
late TextEditingController searchController; late TextEditingController searchController;
late Future<List<CardData>?> data; late Future<List<CardData>?> data;
String lastSearchText = '';
final BarRepository repo = BarRepository(); final BarRepository repo = BarRepository();
@override @override
void initState() { void initState() {
super.initState(); super.initState();
searchController = TextEditingController(); searchController = TextEditingController(); // Инициализация searchController
data = repo.loadData(null); // Инициализация начальных данных WidgetsBinding.instance.addPostFrameCallback((_) {
context.read<HomeBloc>().add(const HomeLoadDataEvent());
});
} }
@override @override
void dispose() { void dispose() {
searchController.dispose(); // Освобождаем контроллер при уничтожении виджета searchController.dispose();
super.dispose(); super.dispose();
} }
Future<void> _onRefresh() {
context.read<HomeBloc>().add(HomeLoadDataEvent(search: searchController.text));
return Future.value(null);
}
@override @override
Widget build(BuildContext context) { Widget build(BuildContext context) {
return Padding( return Padding(
@ -68,31 +82,38 @@ class _BodyState extends State<Body> {
child: CupertinoSearchTextField( child: CupertinoSearchTextField(
controller: searchController, controller: searchController,
onChanged: (search) { onChanged: (search) {
setState(() { Debounce.run(() {
data = repo.loadData(search.isNotEmpty ? search : null); // Обновление данных при поиске lastSearchText = search;
if (search.isEmpty) {
context.read<HomeBloc>().add(const HomeLoadDataEvent());
} else {
context.read<HomeBloc>().add(
HomeLoadDataEvent(search: search));
}
}); });
}, },
), ),
), ),
Expanded(
child: Center( BlocBuilder<HomeBloc, HomeState>(
child: FutureBuilder<List<CardData>?>( // FutureBuilder ждет результат builder: (context, state) => state.isLoading
future: data, ? const CircularProgressIndicator()
builder: (context, snapshot) => : Expanded(
SingleChildScrollView( child: RefreshIndicator(
child: snapshot.hasData onRefresh: _onRefresh,
? Column( child: ListView. builder(
mainAxisAlignment: MainAxisAlignment.center, padding: EdgeInsets.zero,
children: snapshot.data?.map((data) { itemCount: state.data?.length ?? 0,
return _Card.fromData( itemBuilder: (context, index) {
final data = state.data?[index];
return data != null
? _Card.fromData(
data, data,
onLike: (String title, bool isLiked) => onLike: (title, isLiked) => _showSnackBar(context, title, isLiked),
_showSnackBar(context, title, isLiked),
onTap: () =>_navToDetails(context, data), onTap: () =>_navToDetails(context, data),
);
}).toList() ?? [],
) )
: const CircularProgressIndicator(), : const SizedBox. shrink();
},
), ),
), ),
), ),

2
lib/repositories/api_interface.dart
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@ -1,5 +1,5 @@
import 'package:mobile_app/domain/models/card.dart'; import 'package:mobile_app/domain/models/card.dart';
abstract class ApiInterface { abstract class ApiInterface {
Future<List<CardData>?> loadData(String? q); Future<List<CardData>?> loadData({String? q});
} }

2
lib/repositories/bar_repository.dart
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@ -15,7 +15,7 @@ class BarRepository extends ApiInterface {
static const String _baseUrl = 'https://www.thecocktaildb.com/api/json/v1/1'; static const String _baseUrl = 'https://www.thecocktaildb.com/api/json/v1/1';
@override @override
Future<List<CardData>?> loadData(String? q) async { Future<List<CardData>?> loadData({String? q}) async {
try { try {
final String url = q != null final String url = q != null
? '$_baseUrl/search.php?s=$q' // Поиск по названию ? '$_baseUrl/search.php?s=$q' // Поиск по названию

40
pubspec.lock
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@ -38,6 +38,14 @@ packages:
url: "https://pub.dev" url: "https://pub.dev"
source: hosted source: hosted
version: "2.11.0" version: "2.11.0"
bloc:
dependency: transitive
description:
name: bloc
sha256: "106842ad6569f0b60297619e9e0b1885c2fb9bf84812935490e6c5275777804e"
url: "https://pub.dev"
source: hosted
version: "8.1.4"
boolean_selector: boolean_selector:
dependency: transitive dependency: transitive
description: description:
@ -198,6 +206,14 @@ packages:
url: "https://pub.dev" url: "https://pub.dev"
source: hosted source: hosted
version: "2.0.0" 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: fake_async:
dependency: transitive dependency: transitive
description: description:
@ -227,6 +243,14 @@ packages:
description: flutter description: flutter
source: sdk source: sdk
version: "0.0.0" 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: flutter_lints:
dependency: "direct dev" dependency: "direct dev"
description: description:
@ -400,6 +424,14 @@ packages:
url: "https://pub.dev" url: "https://pub.dev"
source: hosted source: hosted
version: "2.0.0" version: "2.0.0"
nested:
dependency: transitive
description:
name: nested
sha256: "03bac4c528c64c95c722ec99280375a6f2fc708eec17c7b3f07253b626cd2a20"
url: "https://pub.dev"
source: hosted
version: "1.0.0"
package_config: package_config:
dependency: transitive dependency: transitive
description: description:
@ -432,6 +464,14 @@ packages:
url: "https://pub.dev" url: "https://pub.dev"
source: hosted source: hosted
version: "1.4.0" version: "1.4.0"
provider:
dependency: transitive
description:
name: provider
sha256: c8a055ee5ce3fd98d6fc872478b03823ffdb448699c6ebdbbc71d59b596fd48c
url: "https://pub.dev"
source: hosted
version: "6.1.2"
pub_semver: pub_semver:
dependency: transitive dependency: transitive
description: description:

2
pubspec.yaml
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@ -38,6 +38,8 @@ dependencies:
json_annotation: ^4.9.0 json_annotation: ^4.9.0
dio: ^5.4.2+1 dio: ^5.4.2+1
pretty_dio_logger: ^1.3.1 pretty_dio_logger: ^1.3.1
flutter_bloc: ^8.1.5
equatable: ^2.0.5
dev_dependencies: dev_dependencies:
flutter_test: flutter_test: