7ая лаба

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+  <background android:drawable="@mipmap/ic_launcher_background"/>
+  <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+  <monochrome android:drawable="@mipmap/ic_launcher_monochrome"/>
+</adaptive-icon>

assets/svg/ru.svg

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+
<!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg width="800px" height="800px" viewBox="0 -4 28 28" fill="none" xmlns="http://www.w3.org/2000/svg">
+<g clip-path="url(#clip0_503_2726)">
+<rect x="0.25" y="0.25" width="27.5" height="19.5" rx="1.75" fill="white" stroke="#F5F5F5" stroke-width="0.5"/>
+<mask id="mask0_503_2726" style="mask-type:alpha" maskUnits="userSpaceOnUse" x="0" y="0" width="28" height="20">
+<rect x="0.25" y="0.25" width="27.5" height="19.5" rx="1.75" fill="white" stroke="white" stroke-width="0.5"/>
+</mask>
+<g mask="url(#mask0_503_2726)">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M0 13.3333H28V6.66667H0V13.3333Z" fill="#0C47B7"/>
+<path fill-rule="evenodd" clip-rule="evenodd" d="M0 20H28V13.3333H0V20Z" fill="#E53B35"/>
+</g>
+</g>
+<defs>
+<clipPath id="clip0_503_2726">
+<rect width="28" height="20" rx="2" fill="white"/>
+</clipPath>
+</defs>
+</svg>

assets/svg/uk.svg

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
+<svg height="800px" width="800px" version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" 
+	 viewBox="0 0 512 512" xml:space="preserve">
+<path style="fill:#41479B;" d="M473.655,88.276H38.345C17.167,88.276,0,105.443,0,126.621V385.38
+	c0,21.177,17.167,38.345,38.345,38.345h435.31c21.177,0,38.345-17.167,38.345-38.345V126.621
+	C512,105.443,494.833,88.276,473.655,88.276z"/>
+<path style="fill:#F5F5F5;" d="M511.469,120.282c-3.022-18.159-18.797-32.007-37.814-32.007h-9.977l-163.54,107.147V88.276h-88.276
+	v107.147L48.322,88.276h-9.977c-19.017,0-34.792,13.847-37.814,32.007l139.778,91.58H0v88.276h140.309L0.531,391.717
+	c3.022,18.159,18.797,32.007,37.814,32.007h9.977l163.54-107.147v107.147h88.276V316.577l163.54,107.147h9.977
+	c19.017,0,34.792-13.847,37.814-32.007l-139.778-91.58H512v-88.276H371.691L511.469,120.282z"/>
+<g>
+	<polygon style="fill:#FF4B55;" points="282.483,88.276 229.517,88.276 229.517,229.517 0,229.517 0,282.483 229.517,282.483 
+		229.517,423.724 282.483,423.724 282.483,282.483 512,282.483 512,229.517 282.483,229.517 	"/>
+	<path style="fill:#FF4B55;" d="M24.793,421.252l186.583-121.114h-32.428L9.224,410.31
+		C13.377,415.157,18.714,418.955,24.793,421.252z"/>
+	<path style="fill:#FF4B55;" d="M346.388,300.138H313.96l180.716,117.305c5.057-3.321,9.277-7.807,12.287-13.075L346.388,300.138z"
+		/>
+	<path style="fill:#FF4B55;" d="M4.049,109.475l157.73,102.387h32.428L15.475,95.842C10.676,99.414,6.749,104.084,4.049,109.475z"/>
+	<path style="fill:#FF4B55;" d="M332.566,211.862l170.035-110.375c-4.199-4.831-9.578-8.607-15.699-10.86L300.138,211.862H332.566z"
+		/>
+</g>
+</svg>

l10n.yaml

@@ -0,0 +1,6 @@
+arb-dir: l10n
+template-arb-file: app_ru.arb
+output-localization-file: app_locale.dart
+output-dir: lib/components/locale/l10n
+output-class: AppLocale
+synthetic-package: false

l10n/app_en.arb

@@ -0,0 +1,9 @@
+{
+  "@@locale": "en",
+
+  "search": "Search",
+  "liked": "liked!",
+  "disliked": "disliked :(",
+
+  "arbEnding": "Чтобы не забыть про отсутствие запятой :)"
+}

l10n/app_ru.arb

@@ -0,0 +1,9 @@
+{
+  "@@locale": "ru",
+
+  "search": "Поиск",
+  "liked": "Понравился!",
+  "disliked": "Уже не нравится :(",
+
+  "arbEnding": "Чтобы не забыть про отсутствие запятой :)"
+}

lib/components/extensions/context_x.dart

@@ -0,0 +1,6 @@
+import 'package:flutter/widgets.dart';
+import '../locale/l10n/app_locale.dart';
+
+extension LocalContextX on BuildContext {
+  AppLocale get locale => AppLocale.of(this)!;
+}

lib/components/locale/l10n/app_locale.dart

@@ -0,0 +1,153 @@
+import 'dart:async';
+
+import 'package:flutter/foundation.dart';
+import 'package:flutter/widgets.dart';
+import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:intl/intl.dart' as intl;
+
+import 'app_locale_en.dart';
+import 'app_locale_ru.dart';
+
+// ignore_for_file: type=lint
+
+/// Callers can lookup localized strings with an instance of AppLocale
+/// returned by `AppLocale.of(context)`.
+///
+/// Applications need to include `AppLocale.delegate()` in their app's
+/// `localizationDelegates` list, and the locales they support in the app's
+/// `supportedLocales` list. For example:
+///
+/// ```dart
+/// import 'l10n/app_locale.dart';
+///
+/// return MaterialApp(
+///   localizationsDelegates: AppLocale.localizationsDelegates,
+///   supportedLocales: AppLocale.supportedLocales,
+///   home: MyApplicationHome(),
+/// );
+/// ```
+///
+/// ## Update pubspec.yaml
+///
+/// Please make sure to update your pubspec.yaml to include the following
+/// packages:
+///
+/// ```yaml
+/// dependencies:
+///   # Internationalization support.
+///   flutter_localizations:
+///     sdk: flutter
+///   intl: any # Use the pinned version from flutter_localizations
+///
+///   # Rest of dependencies
+/// ```
+///
+/// ## iOS Applications
+///
+/// iOS applications define key application metadata, including supported
+/// locales, in an Info.plist file that is built into the application bundle.
+/// To configure the locales supported by your app, you’ll need to edit this
+/// file.
+///
+/// First, open your project’s ios/Runner.xcworkspace Xcode workspace file.
+/// Then, in the Project Navigator, open the Info.plist file under the Runner
+/// project’s Runner folder.
+///
+/// Next, select the Information Property List item, select Add Item from the
+/// Editor menu, then select Localizations from the pop-up menu.
+///
+/// Select and expand the newly-created Localizations item then, for each
+/// locale your application supports, add a new item and select the locale
+/// you wish to add from the pop-up menu in the Value field. This list should
+/// be consistent with the languages listed in the AppLocale.supportedLocales
+/// property.
+abstract class AppLocale {
+  AppLocale(String locale) : localeName = intl.Intl.canonicalizedLocale(locale.toString());
+
+  final String localeName;
+
+  static AppLocale? of(BuildContext context) {
+    return Localizations.of<AppLocale>(context, AppLocale);
+  }
+
+  static const LocalizationsDelegate<AppLocale> delegate = _AppLocaleDelegate();
+
+  /// A list of this localizations delegate along with the default localizations
+  /// delegates.
+  ///
+  /// Returns a list of localizations delegates containing this delegate along with
+  /// GlobalMaterialLocalizations.delegate, GlobalCupertinoLocalizations.delegate,
+  /// and GlobalWidgetsLocalizations.delegate.
+  ///
+  /// Additional delegates can be added by appending to this list in
+  /// MaterialApp. This list does not have to be used at all if a custom list
+  /// of delegates is preferred or required.
+  static const List<LocalizationsDelegate<dynamic>> localizationsDelegates = <LocalizationsDelegate<dynamic>>[
+    delegate,
+    GlobalMaterialLocalizations.delegate,
+    GlobalCupertinoLocalizations.delegate,
+    GlobalWidgetsLocalizations.delegate,
+  ];
+
+  /// A list of this localizations delegate's supported locales.
+  static const List<Locale> supportedLocales = <Locale>[
+    Locale('en'),
+    Locale('ru')
+  ];
+
+  /// No description provided for @search.
+  ///
+  /// In ru, this message translates to:
+  /// **'Поиск'**
+  String get search;
+
+  /// No description provided for @liked.
+  ///
+  /// In ru, this message translates to:
+  /// **'Понравился!'**
+  String get liked;
+
+  /// No description provided for @disliked.
+  ///
+  /// In ru, this message translates to:
+  /// **'Уже не нравится :('**
+  String get disliked;
+
+  /// No description provided for @arbEnding.
+  ///
+  /// In ru, this message translates to:
+  /// **'Чтобы не забыть про отсутствие запятой :)'**
+  String get arbEnding;
+}
+
+class _AppLocaleDelegate extends LocalizationsDelegate<AppLocale> {
+  const _AppLocaleDelegate();
+
+  @override
+  Future<AppLocale> load(Locale locale) {
+    return SynchronousFuture<AppLocale>(lookupAppLocale(locale));
+  }
+
+  @override
+  bool isSupported(Locale locale) => <String>['en', 'ru'].contains(locale.languageCode);
+
+  @override
+  bool shouldReload(_AppLocaleDelegate old) => false;
+}
+
+AppLocale lookupAppLocale(Locale locale) {
+
+
+  // Lookup logic when only language code is specified.
+  switch (locale.languageCode) {
+    case 'en': return AppLocaleEn();
+    case 'ru': return AppLocaleRu();
+  }
+
+  throw FlutterError(
+    'AppLocale.delegate failed to load unsupported locale "$locale". This is likely '
+    'an issue with the localizations generation tool. Please file an issue '
+    'on GitHub with a reproducible sample app and the gen-l10n configuration '
+    'that was used.'
+  );
+}

lib/components/locale/l10n/app_locale_en.dart

@@ -0,0 +1,20 @@
+import 'app_locale.dart';
+
+// ignore_for_file: type=lint
+
+/// The translations for English (`en`).
+class AppLocaleEn extends AppLocale {
+  AppLocaleEn([String locale = 'en']) : super(locale);
+
+  @override
+  String get search => 'Search';
+
+  @override
+  String get liked => 'liked!';
+
+  @override
+  String get disliked => 'disliked :(';
+
+  @override
+  String get arbEnding => 'Чтобы не забыть про отсутствие запятой :)';
+}

lib/components/locale/l10n/app_locale_ru.dart

@@ -0,0 +1,20 @@
+import 'app_locale.dart';
+
+// ignore_for_file: type=lint
+
+/// The translations for Russian (`ru`).
+class AppLocaleRu extends AppLocale {
+  AppLocaleRu([String locale = 'ru']) : super(locale);
+
+  @override
+  String get search => 'Поиск';
+
+  @override
+  String get liked => 'Понравился!';
+
+  @override
+  String get disliked => 'Уже не нравится :(';
+
+  @override
+  String get arbEnding => 'Чтобы не забыть про отсутствие запятой :)';
+}

lib/components/resources.g.dart

@@ -0,0 +1,10 @@
+/// Generate by [asset_generator](https://github.com/fluttercandies/flutter_asset_generator) library.
+/// PLEASE DO NOT EDIT MANUALLY.
+// ignore_for_file: constant_identifier_names
+class R {
+  const R._();
+
+  static const String ASSETS_SVG_RU_SVG = 'assets/svg/ru.svg';
+
+  static const String ASSETS_SVG_UK_SVG = 'assets/svg/uk.svg';
+}

lib/presentation/common/svg_objects.dart

@@ -0,0 +1,34 @@
+import 'package:flutter/widgets.dart';
+import 'package:flutter_svg/flutter_svg.dart';
+import 'package:project1/components/resources.g.dart';
+
+abstract class SvgObjects {
+  static void init() {
+    final pics = <String>[
+      R.ASSETS_SVG_RU_SVG,
+      R.ASSETS_SVG_UK_SVG,
+    ];
+    for (final String p in pics) {
+      final loader = SvgAssetLoader(p);
+      svg.cache.putIfAbsent(loader.cacheKey(null), () => loader.loadBytes(null));
+    }
+  }
+}
+
+class SvgRu extends StatelessWidget {
+  const SvgRu({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return SvgPicture.asset(R.ASSETS_SVG_RU_SVG);
+  }
+}
+
+class SvgUk extends StatelessWidget {
+  const SvgUk({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return SvgPicture.asset(R.ASSETS_SVG_UK_SVG);
+  }
+}

lib/presentation/like_bloc/like_bloc.dart

@@ -0,0 +1,36 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import 'like_event.dart';
+import 'like_state.dart';
+
+const String _likedPrefsKey = 'liked';
+
+class LikeBloc extends Bloc<LikeEvent, LikeState> {
+  LikeBloc() : super(const LikeState(likedIds: [])) {
+    on<ChangeLikeEvent>(_onChangeLike);
+    on<LoadLikesEvent>(_onLoadLikes);
+  }
+
+  Future<void> _onLoadLikes(LoadLikesEvent event, Emitter<LikeState> emit) async {
+    final prefs = await SharedPreferences.getInstance();
+    final data = prefs.getStringList(_likedPrefsKey);
+
+    emit(state.copyWith(likedIds: data));
+  }
+
+  Future<void> _onChangeLike(ChangeLikeEvent event, Emitter<LikeState> emit) async {
+    final updatedList = List<String>.from(state.likedIds ?? []);
+
+    if (updatedList.contains(event.id.toString())) {
+      updatedList.remove(event.id.toString());
+    } else {
+      updatedList.add(event.id.toString());
+    }
+
+    final prefs = await SharedPreferences.getInstance();
+    prefs.setStringList(_likedPrefsKey, updatedList);
+
+    emit(state.copyWith(likedIds: updatedList));
+  }
+}

lib/presentation/like_bloc/like_event.dart

@@ -0,0 +1,13 @@
+abstract class LikeEvent {
+  const LikeEvent();
+}
+
+class LoadLikesEvent extends LikeEvent {
+  const LoadLikesEvent();
+}
+
+class ChangeLikeEvent extends LikeEvent {
+  final int id;
+
+  const ChangeLikeEvent(this.id);
+}

lib/presentation/like_bloc/like_state.dart

@@ -0,0 +1,14 @@
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:equatable/equatable.dart';
+
+part 'like_state.g.dart';
+
+@CopyWith()
+class LikeState extends Equatable {
+  final List<String>? likedIds;
+
+  const LikeState({required this.likedIds});
+
+  @override
+  List<Object?> get props => [likedIds];
+}

lib/presentation/like_bloc/like_state.g.dart

@@ -0,0 +1,56 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'like_state.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$LikeStateCWProxy {
+  LikeState likedIds(List<String>? likedIds);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `LikeState(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// LikeState(...).copyWith(id: 12, name: "My name")
+  /// ````
+  LikeState call({
+    List<String>? likedIds,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfLikeState.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfLikeState.copyWith.fieldName(...)`
+class _$LikeStateCWProxyImpl implements _$LikeStateCWProxy {
+  const _$LikeStateCWProxyImpl(this._value);
+
+  final LikeState _value;
+
+  @override
+  LikeState likedIds(List<String>? likedIds) => this(likedIds: likedIds);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `LikeState(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// LikeState(...).copyWith(id: 12, name: "My name")
+  /// ````
+  LikeState call({
+    Object? likedIds = const $CopyWithPlaceholder(),
+  }) {
+    return LikeState(
+      likedIds: likedIds == const $CopyWithPlaceholder()
+          ? _value.likedIds
+          // ignore: cast_nullable_to_non_nullable
+          : likedIds as List<String>?,
+    );
+  }
+}
+
+extension $LikeStateCopyWith on LikeState {
+  /// Returns a callable class that can be used as follows: `instanceOfLikeState.copyWith(...)` or like so:`instanceOfLikeState.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$LikeStateCWProxy get copyWith => _$LikeStateCWProxyImpl(this);
+}

lib/presentation/locale_bloc/ locale_bloc.dart

@@ -0,0 +1,17 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:project1/components/locale/l10n/app_locale.dart';
+import 'package:project1/presentation/locale_bloc/locale_events.dart';
+import 'package:project1/presentation/locale_bloc/locale_state.dart';
+
+class LocaleBloc extends Bloc<LocaleEvent, LocaleState> {
+  LocaleBloc(Locale defaultLocale) : super(LocaleState(currentLocale: defaultLocale)) {
+    on<ChangeLocaleEvent>(_onChangeLocale);
+  }
+
+  Future<void> _onChangeLocale(ChangeLocaleEvent event, Emitter<LocaleState> emit) async {
+    final toChange = AppLocale.supportedLocales
+        .firstWhere((e) => e.languageCode != state.currentLocale.languageCode);
+    emit(state.copyWith(currentLocale: toChange));
+  }
+}

lib/presentation/locale_bloc/locale_events.dart

@@ -0,0 +1,7 @@
+abstract class LocaleEvent {
+  const LocaleEvent();
+}
+
+class ChangeLocaleEvent extends LocaleEvent {
+  const ChangeLocaleEvent();
+}

lib/presentation/locale_bloc/locale_state.dart

@@ -0,0 +1,15 @@
+import 'package:copy_with_extension/copy_with_extension.dart';
+import 'package:equatable/equatable.dart';
+import 'package:flutter/material.dart';
+
+part 'locale_state.g.dart';
+
+@CopyWith()
+class LocaleState extends Equatable {
+  final Locale currentLocale;
+
+  const LocaleState({required this.currentLocale});
+
+  @override
+  List<Object?> get props => [currentLocale];
+}

lib/presentation/locale_bloc/locale_state.g.dart

@@ -0,0 +1,58 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'locale_state.dart';
+
+// **************************************************************************
+// CopyWithGenerator
+// **************************************************************************
+
+abstract class _$LocaleStateCWProxy {
+  LocaleState currentLocale(Locale currentLocale);
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `LocaleState(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// LocaleState(...).copyWith(id: 12, name: "My name")
+  /// ````
+  LocaleState call({
+    Locale? currentLocale,
+  });
+}
+
+/// Proxy class for `copyWith` functionality. This is a callable class and can be used as follows: `instanceOfLocaleState.copyWith(...)`. Additionally contains functions for specific fields e.g. `instanceOfLocaleState.copyWith.fieldName(...)`
+class _$LocaleStateCWProxyImpl implements _$LocaleStateCWProxy {
+  const _$LocaleStateCWProxyImpl(this._value);
+
+  final LocaleState _value;
+
+  @override
+  LocaleState currentLocale(Locale currentLocale) =>
+      this(currentLocale: currentLocale);
+
+  @override
+
+  /// This function **does support** nullification of nullable fields. All `null` values passed to `non-nullable` fields will be ignored. You can also use `LocaleState(...).copyWith.fieldName(...)` to override fields one at a time with nullification support.
+  ///
+  /// Usage
+  /// ```dart
+  /// LocaleState(...).copyWith(id: 12, name: "My name")
+  /// ````
+  LocaleState call({
+    Object? currentLocale = const $CopyWithPlaceholder(),
+  }) {
+    return LocaleState(
+      currentLocale:
+          currentLocale == const $CopyWithPlaceholder() || currentLocale == null
+              ? _value.currentLocale
+              // ignore: cast_nullable_to_non_nullable
+              : currentLocale as Locale,
+    );
+  }
+}
+
+extension $LocaleStateCopyWith on LocaleState {
+  /// Returns a callable class that can be used as follows: `instanceOfLocaleState.copyWith(...)` or like so:`instanceOfLocaleState.copyWith.fieldName(...)`.
+  // ignore: library_private_types_in_public_api
+  _$LocaleStateCWProxy get copyWith => _$LocaleStateCWProxyImpl(this);
+}