Лаб 6 (вроде рабочий bloc для у страницы с описанием игры)
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23
lib/presentation/details_page/bloc/bloc.dart
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23
lib/presentation/details_page/bloc/bloc.dart
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@ -0,0 +1,23 @@
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:mobiles_labs_5th_semester/data/repositories/games_repository.dart';
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import 'package:mobiles_labs_5th_semester/presentation/details_page/bloc/state.dart';
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import 'event.dart';
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class GameDetailsBloc extends Bloc<GameDetailsEvent, GameDetailsState> {
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final GamesRepository repo;
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GameDetailsBloc(this.repo) : super (const GameDetailsState()) {
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on<LoadGameDetailsEvent>(_onLoadDetails);
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}
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//Emitter - генератор событий
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Future<void> _onLoadDetails(LoadGameDetailsEvent event,
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Emitter<GameDetailsState> emit) async {
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String? error;
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final data = await repo.loadGameData(event.gameId);
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emit(state.copyWith(
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gameData: data,
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));
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}
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}
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9
lib/presentation/details_page/bloc/event.dart
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9
lib/presentation/details_page/bloc/event.dart
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abstract class GameDetailsEvent {
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const GameDetailsEvent();
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}
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class LoadGameDetailsEvent extends GameDetailsEvent {
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final int? gameId;
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LoadGameDetailsEvent({this.gameId});
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}
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13
lib/presentation/details_page/bloc/state.dart
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13
lib/presentation/details_page/bloc/state.dart
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import 'package:equatable/equatable.dart';
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import '../../../domain/models/game.dart';
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import 'package:copy_with_extension/copy_with_extension.dart';
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part 'state.g.dart';
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@CopyWith()
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class GameDetailsState extends Equatable {
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final GameData? gameData;
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const GameDetailsState({this.gameData});
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@override
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List<Object?> get props => [gameData];
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}
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56
lib/presentation/details_page/bloc/state.g.dart
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56
lib/presentation/details_page/bloc/state.g.dart
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// GENERATED CODE - DO NOT MODIFY BY HAND
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part of 'state.dart';
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// **************************************************************************
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// CopyWithGenerator
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// **************************************************************************
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abstract class _$GameDetailsStateCWProxy {
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GameDetailsState gameData(GameData? gameData);
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/// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `GameDetailsState(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
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///
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/// Usage
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/// ```dart
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/// GameDetailsState(...).copyWith(id: 12, name: "My name")
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/// ````
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GameDetailsState call({
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GameData? gameData,
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});
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}
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/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfGameDetailsState.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfGameDetailsState.copyWith.fieldName(...)`
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class _$GameDetailsStateCWProxyImpl implements _$GameDetailsStateCWProxy {
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const _$GameDetailsStateCWProxyImpl(this._value);
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final GameDetailsState _value;
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@override
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GameDetailsState gameData(GameData? gameData) => this(gameData: gameData);
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@override
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/// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `GameDetailsState(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
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///
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/// Usage
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/// ```dart
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/// GameDetailsState(...).copyWith(id: 12, name: "My name")
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/// ````
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GameDetailsState call({
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Object? gameData = const $CopyWithPlaceholder(),
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}) {
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return GameDetailsState(
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gameData: gameData == const $CopyWithPlaceholder()
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? _value.gameData
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// ignore: cast_nullable_to_non_nullable
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: gameData as GameData?,
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);
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}
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}
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extension $GameDetailsStateCopyWith on GameDetailsState {
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/// Returns a callable class that can be used as follows: `instanceOfGameDetailsState.copyWith(...)` or like so:`instanceOfGameDetailsState.copyWith.fieldName(...)`.
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// ignore: library_private_types_in_public_api
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_$GameDetailsStateCWProxy get copyWith => _$GameDetailsStateCWProxyImpl(this);
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}
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@ -1,71 +1,58 @@
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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/domain/models/game.dart';
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import '../../data/repositories/games_repository.dart';
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import 'bloc/bloc.dart';
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import 'bloc/event.dart';
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import 'bloc/state.dart';
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class DetailsPage extends StatefulWidget {
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class DetailsPage extends StatelessWidget {
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final int? gameId;
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const DetailsPage(this.gameId, {super.key});
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@override
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State<DetailsPage> createState() => _DetailsPageState();
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}
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class _DetailsPageState extends State<DetailsPage> {
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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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return BlocProvider(
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create: (context) {
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final bloc = GameDetailsBloc(GamesRepository());
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bloc.add(LoadGameDetailsEvent(gameId: gameId!));
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return bloc;
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},
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child: Scaffold(
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backgroundColor: const 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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iconTheme: IconThemeData(color: Colors.white)
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backgroundColor: const Color.fromARGB(255, 56, 90, 128),
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iconTheme: const IconThemeData(color: Colors.white),
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),
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body: Body(gameId: widget.gameId));
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body: const Body(),
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),
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);
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}
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}
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class Body extends StatefulWidget {
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final int? gameId;
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const Body({super.key, required this.gameId});
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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<GameData?> data;
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final repo = GamesRepository();
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@override
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void initState() {
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super.initState();
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data = repo.loadGameData(widget.gameId);
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}
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class Body extends StatelessWidget {
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const Body({super.key});
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@override
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Widget build(BuildContext context) {
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return Center(
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child: FutureBuilder<GameData?>(
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future: data,
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builder: (context, snapshot) => SingleChildScrollView(
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child: snapshot.hasData
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? Padding(
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return BlocBuilder<GameDetailsBloc, GameDetailsState>(
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builder: (context, state) {
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if (state.gameData == null) {
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return const Center(child: CircularProgressIndicator());
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}
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final gameData = state.gameData!;
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return SingleChildScrollView(
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child:
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Column(
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child: Column(
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children: [
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SizedBox(
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height: 220,
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width: MediaQuery.of(context).size.width,
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child: Image.network(
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snapshot.data?.image ?? '',
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gameData.image ?? '',
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fit: BoxFit.fill,
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errorBuilder: (_, __, ___) => const Placeholder(),
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),
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@ -73,7 +60,7 @@ class _BodyState extends State<Body> {
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Padding(
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padding: const EdgeInsets.only(top: 12.0, bottom: 12.0),
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child: Text(
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snapshot.data?.name ?? '',
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gameData.name ?? '',
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style: const TextStyle(
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color: Colors.white,
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fontWeight: FontWeight.bold,
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@ -83,89 +70,19 @@ class _BodyState extends State<Body> {
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),
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),
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Text(
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snapshot.data?.description ?? 'У игры нет описания',
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gameData.description ?? 'У игры нет описания',
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style: const TextStyle(
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color: Colors.white,
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fontSize: 24,
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),
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softWrap: true,
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// textAlign: TextAlign.left
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textAlign: TextAlign.justify
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textAlign: TextAlign.justify,
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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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) : const CircularProgressIndicator()
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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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// final data = GamesRepository().loadGameData(widget.gameId);
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// return Center(
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// child: FutureBuilder<GameData?> (
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// future: data,
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// builder: (context, snapshot) => snapshot.hasData ? Scaffold(
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// appBar: AppBar(
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// backgroundColor: Color.fromARGB(255, 56, 90, 128),
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// iconTheme: IconThemeData(color: Colors.white)
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// ),
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// backgroundColor: Color.fromARGB(255, 46, 65, 80),
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// //backgroundColor: Color.fromARGB(255, 56, 90, 128),
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// body: Center(
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// //прокрутка по вертикали на случай, если описание длинное
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// child: SingleChildScrollView(
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// child: Padding(
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// padding: const EdgeInsets.all(8.0),
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// child: Column(
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// children: [
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// SizedBox(
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// height: 220,
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// width: MediaQuery.of(context).size.width,
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// child: Image.network(
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// snapshot.data?.image ?? '',
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// fit: BoxFit.fill,
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// errorBuilder: (_, __, ___) => const Placeholder(),
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// ),
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// ),
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// Padding(
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// padding: const EdgeInsets.only(top: 12.0, bottom: 12.0),
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// child: Text(
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// snapshot.data?.name ?? '',
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// style: const TextStyle(
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// color: Colors.white,
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// fontWeight: FontWeight.bold,
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// fontSize: 40,
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// ),
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// textAlign: TextAlign.center,
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// ),
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// ),
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// Text(
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// snapshot.data?.description ?? 'У игры нет описания',
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// style: const TextStyle(
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// color: Colors.white,
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// fontSize: 24,
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// ),
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// softWrap: true,
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// // textAlign: TextAlign.left
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// textAlign: TextAlign.justify
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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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// )
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// ) : const CircularProgressIndicator(),
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// )
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//
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// );
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// }
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// }
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@ -6,7 +6,7 @@ import 'state.dart';
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class HomeBloc extends Bloc<HomeEvent, HomeState> {
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final GamesRepository repo;
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//связывание метода с конкретным событием в конструкторе
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//связывание метода _onLoadData с конкретным событием в конструкторе
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HomeBloc(this.repo) : super (const HomeState()) {
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on<HomeLoadDataEvent>(_onLoadData);
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}
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@ -46,7 +46,7 @@ class _HomePageState extends State<HomePage> {
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}
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}
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//!!!скорее всего надо будет заменить на stateful
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class Body extends StatefulWidget {
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const Body({super.key});
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