Initial Flutter app
This commit is contained in:
Ruslan Bakiev
209
lib/state/experience_controller.dart
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209
lib/state/experience_controller.dart
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:latlong2/latlong.dart';
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import '../models/experience_models.dart';
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final experienceControllerProvider =
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NotifierProvider<ExperienceController, ExperienceState>(
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ExperienceController.new,
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);
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class ExperienceState {
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const ExperienceState({
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required this.experiences,
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required this.selectedExperienceId,
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required this.filterEmotion,
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required this.profile,
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});
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final List<PlaceExperience> experiences;
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final String? selectedExperienceId;
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final ExperienceEmotion? filterEmotion;
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final ExperienceAuthor profile;
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List<PlaceExperience> get visibleExperiences {
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final emotion = filterEmotion;
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if (emotion == null) {
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return experiences;
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}
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return experiences.where((item) => item.emotion == emotion).toList();
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}
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PlaceExperience? get selectedExperience {
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for (final experience in experiences) {
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if (experience.id == selectedExperienceId) {
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return experience;
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}
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}
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return visibleExperiences.isEmpty ? null : visibleExperiences.first;
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}
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ExperienceState copyWith({
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List<PlaceExperience>? experiences,
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String? selectedExperienceId,
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bool clearSelection = false,
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ExperienceEmotion? filterEmotion,
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bool clearFilter = false,
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ExperienceAuthor? profile,
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}) {
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return ExperienceState(
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experiences: experiences ?? this.experiences,
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selectedExperienceId: clearSelection
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? null
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: selectedExperienceId ?? this.selectedExperienceId,
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filterEmotion: clearFilter ? null : filterEmotion ?? this.filterEmotion,
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profile: profile ?? this.profile,
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);
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}
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}
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class ExperienceController extends Notifier<ExperienceState> {
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@override
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ExperienceState build() {
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final experiences = _seedExperiences();
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return ExperienceState(
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experiences: experiences,
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selectedExperienceId: experiences.first.id,
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filterEmotion: null,
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profile: const ExperienceAuthor(
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name: 'Руслан',
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facets: [
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ProfileFacet(name: 'темп', value: 'спокойно, без очередей'),
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ProfileFacet(name: 'еда', value: 'яркое блюдо важнее кухни'),
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ProfileFacet(
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name: 'контекст',
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value: 'работа днем, прогулки вечером',
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),
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],
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),
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);
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}
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void selectExperience(String id) {
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state = state.copyWith(selectedExperienceId: id);
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}
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void setEmotionFilter(ExperienceEmotion? emotion) {
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if (emotion == null) {
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state = state.copyWith(clearFilter: true);
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return;
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}
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final nextVisible = state.experiences.firstWhere(
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(item) => item.emotion == emotion,
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orElse: () => state.experiences.first,
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);
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state = state.copyWith(
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filterEmotion: emotion,
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selectedExperienceId: nextVisible.id,
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);
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}
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void addExperience({
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required String placeName,
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required String dishName,
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required ExperienceEmotion emotion,
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required LatLng coordinate,
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required String context,
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}) {
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final experience = PlaceExperience(
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id: 'local-${DateTime.now().microsecondsSinceEpoch}',
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placeName: placeName.trim().isEmpty ? 'Новое место' : placeName.trim(),
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neighborhood: 'рядом',
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coordinate: coordinate,
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emotion: emotion,
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intensity: 3,
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context: context.trim().isEmpty ? 'личная заметка' : context.trim(),
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dish: DishSignal(
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name: dishName.trim().isEmpty ? 'блюдо' : dishName.trim(),
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reason: 'стоит проверить лично',
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texture: 'новый сигнал',
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),
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author: state.profile,
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createdLabel: 'сейчас',
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);
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state = state.copyWith(
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experiences: [experience, ...state.experiences],
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selectedExperienceId: experience.id,
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clearFilter: true,
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);
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}
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List<PlaceExperience> _seedExperiences() {
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const author = ExperienceAuthor(
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name: 'Mira',
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facets: [
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ProfileFacet(name: 'темп', value: 'медленно'),
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ProfileFacet(name: 'еда', value: 'текстура'),
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ProfileFacet(name: 'настроение', value: 'тихое внимание'),
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],
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);
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return const [
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PlaceExperience(
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id: 'secret-garden',
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placeName: 'Secret Garden',
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neighborhood: 'District 1',
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coordinate: LatLng(10.7752, 106.7009),
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emotion: ExperienceEmotion.comfort,
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intensity: 4,
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context: 'крыша, зелень, хороший разговор',
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dish: DishSignal(
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name: 'caramelized pork clay pot',
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reason: 'мягко собирает вечер',
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texture: 'густой соус, рис, тепло',
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),
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author: author,
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createdLabel: 'вчера',
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),
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PlaceExperience(
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id: 'banh-mi-huynh-hoa',
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placeName: 'Banh Mi Huynh Hoa',
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neighborhood: 'District 1',
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coordinate: LatLng(10.7716, 106.6920),
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emotion: ExperienceEmotion.energy,
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intensity: 5,
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context: 'быстро, плотно, без церемоний',
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dish: DishSignal(
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name: 'banh mi dac biet',
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reason: 'если хочется прямого удара вкуса',
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texture: 'хруст, паштет, травы',
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),
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author: author,
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createdLabel: '3 дня назад',
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),
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PlaceExperience(
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id: 'the-workshop',
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placeName: 'The Workshop',
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neighborhood: 'District 1',
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coordinate: LatLng(10.7740, 106.7042),
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emotion: ExperienceEmotion.focus,
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intensity: 4,
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context: 'ноутбук, кофе, два часа ясности',
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dish: DishSignal(
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name: 'egg coffee',
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reason: 'сладкая пауза между задачами',
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texture: 'крем, горечь, плотность',
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),
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author: author,
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createdLabel: 'на неделе',
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),
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PlaceExperience(
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id: 'oc-dao',
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placeName: 'Oc Dao',
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neighborhood: 'District 1',
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coordinate: LatLng(10.7607, 106.6898),
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emotion: ExperienceEmotion.curiosity,
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intensity: 5,
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context: 'пробовать руками, спорить, заказывать еще',
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dish: DishSignal(
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name: 'grilled scallops',
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reason: 'блюдо ведет сильнее, чем место',
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texture: 'дым, масло, арахис',
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),
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author: author,
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createdLabel: 'месяц назад',
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),
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];
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}
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}
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