lab7

assets/svg/ru.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 9 6" width="900" height="600"><path fill="#fff" d="M0 0h9v3H0z"/><path fill="#d52b1e" d="M0 3h9v3H0z"/><path fill="#0039a6" d="M0 2h9v2H0z"/></svg>

assets/svg/uk.svg

@@ -0,0 +1,2 @@
+<?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 0 36 36" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--twemoji" preserveAspectRatio="xMidYMid meet"><path fill="#00247D" d="M0 9.059V13h5.628zM4.664 31H13v-5.837zM23 25.164V31h8.335zM0 23v3.941L5.63 23zM31.337 5H23v5.837zM36 26.942V23h-5.631zM36 13V9.059L30.371 13zM13 5H4.664L13 10.837z"></path><path fill="#CF1B2B" d="M25.14 23l9.712 6.801a3.977 3.977 0 0 0 .99-1.749L28.627 23H25.14zM13 23h-2.141l-9.711 6.8c.521.53 1.189.909 1.938 1.085L13 23.943V23zm10-10h2.141l9.711-6.8a3.988 3.988 0 0 0-1.937-1.085L23 12.057V13zm-12.141 0L1.148 6.2a3.994 3.994 0 0 0-.991 1.749L7.372 13h3.487z"></path><path fill="#EEE" d="M36 21H21v10h2v-5.836L31.335 31H32a3.99 3.99 0 0 0 2.852-1.199L25.14 23h3.487l7.215 5.052c.093-.337.158-.686.158-1.052v-.058L30.369 23H36v-2zM0 21v2h5.63L0 26.941V27c0 1.091.439 2.078 1.148 2.8l9.711-6.8H13v.943l-9.914 6.941c.294.07.598.116.914.116h.664L13 25.163V31h2V21H0zM36 9a3.983 3.983 0 0 0-1.148-2.8L25.141 13H23v-.943l9.915-6.942A4.001 4.001 0 0 0 32 5h-.663L23 10.837V5h-2v10h15v-2h-5.629L36 9.059V9zM13 5v5.837L4.664 5H4a3.985 3.985 0 0 0-2.852 1.2l9.711 6.8H7.372L.157 7.949A3.968 3.968 0 0 0 0 9v.059L5.628 13H0v2h15V5h-2z"></path><path fill="#CF1B2B" d="M21 15V5h-6v10H0v6h15v10h6V21h15v-6z"></path></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": "разонравился",
+
+    "arbEnding": "Чтобы не забыть про отсутствие запятой :)"
+}

lib/components/extensions/context_x.dart

@@ -0,0 +1,7 @@
+import 'package:flutter/cupertino.dart';
+
+import '../locale/l10n/app_locale.dart';
+
+extension LocalContextX on BuildContext {
+  AppLocale get locale => AppLocale.of(this)!; //делает удобное обращение к локале
+}

lib/components/resources.g.dart

@@ -0,0 +1,11 @@
+/// Generate by [flutter_assets_generator](https://github.com/goodswifter/flutter_assets_generator) library.
+///
+/// PLEASE DO NOT EDIT MANUALLY.
+class R {
+  // сгенерировали пути до наших ресурсов
+  const R._();
+
+  static const String assetsSvgRuSvg = 'assets/svg/ru.svg';
+
+  static const String assetsSvgUkSvg = 'assets/svg/uk.svg';
+}

lib/components/utils/debounce.dart

@@ -0,0 +1,22 @@
+import 'dart:async';
+import 'dart:ui';
+
+class Debounce {
+  //помощник
+  factory Debounce() => _instance; //обращение через статический конструктор
+
+  Debounce._();
+
+  static final Debounce _instance = Debounce._();
+
+  static Timer? _timer;
+
+  static void run(
+    //создаём задержку для ввода пользователя в поисковую строку
+    VoidCallback action, {
+    Duration delay = const Duration(milliseconds: 500),
+  }) {
+    _timer?.cancel();
+    _timer = Timer(delay, action);
+  }
+}

lib/presentation/common/svg_objects.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_svg/flutter_svg.dart';
+import '../../components/resources.g.dart';
+
+abstract class SvgObjects {
+  static void init() {
+    // подгрузка иконок в кеш перед их использованием
+    final pics = <String>[
+      R.assetsSvgRuSvg,
+      R.assetsSvgUkSvg,
+    ];
+    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.assetsSvgRuSvg);
+  }
+}
+
+class SvgUk extends StatelessWidget {
+  const SvgUk({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return SvgPicture.asset(R.assetsSvgUkSvg);
+  }
+}

lib/presentation/like_bloc/like_bloc.dart

@@ -0,0 +1,35 @@
+import 'package:flutter_bloc/flutter_bloc.dart%20%20';
+import 'package:flutter_test_app/presentation/like_bloc/like_event.dart';
+import 'package:flutter_test_app/presentation/like_bloc/like_state.dart';
+import 'package:shared_preferences/shared_preferences.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)) {
+      // проверка установлен ли лайк
+      updatedList.remove(event.id);
+    } else {
+      updatedList.add(event.id);
+    }
+
+    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 String 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:flutter_test_app/presentation/locale_bloc/locale_events.dart';
+import 'package:flutter_test_app/presentation/locale_bloc/locale_state.dart';
+import '../../components/locale/l10n/app_locale.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 +1,56 @@
+// 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);
+}

makefile

@@ -0,0 +1,14 @@
+gen:
+	flutter pub run build_runner build --delete-conflicting-outputs
+icon:
+	flutter pub run flutter_launcher_icons:main
+init_res:
+	dart pub global activate flutter_assets_generator
+format:
+	dart format . --line-length 100
+res:
+	fgen --output lib/components/resources.g.dart --no-watch --no-preview; \
+	mingw32-make format
+loc:
+	flutter gen-l10n; \
+	mingw32-make format