Initial Flutter app
This commit is contained in:
Ruslan Bakiev
233
lib/state/place_controller.dart
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233
lib/state/place_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/place_models.dart';
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final placeControllerProvider = NotifierProvider<PlaceController, PlaceState>(
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PlaceController.new,
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);
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class PlaceState {
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const PlaceState({
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required this.intent,
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required this.places,
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required this.selectedPlaceId,
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required this.reviewDraft,
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});
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final UserIntent intent;
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final List<PlaceRecommendation> places;
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final String? selectedPlaceId;
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final VoiceReviewDraft reviewDraft;
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List<PlaceRecommendation> get recommendations {
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final wanted = intent.traits;
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final ranked = [...places]
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..sort((a, b) {
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final aScore = a.traits.intersection(wanted).length;
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final bScore = b.traits.intersection(wanted).length;
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return bScore.compareTo(aScore);
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});
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return ranked.take(4).toList();
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}
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PlaceRecommendation? get selectedPlace {
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for (final place in places) {
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if (place.id == selectedPlaceId) {
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return place;
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}
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}
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return recommendations.isEmpty ? null : recommendations.first;
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}
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PlaceState copyWith({
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UserIntent? intent,
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List<PlaceRecommendation>? places,
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String? selectedPlaceId,
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VoiceReviewDraft? reviewDraft,
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}) {
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return PlaceState(
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intent: intent ?? this.intent,
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places: places ?? this.places,
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selectedPlaceId: selectedPlaceId ?? this.selectedPlaceId,
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reviewDraft: reviewDraft ?? this.reviewDraft,
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);
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}
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}
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class PlaceController extends Notifier<PlaceState> {
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@override
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PlaceState build() {
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final places = _seedPlaces();
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return PlaceState(
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intent: UserIntent.exhale,
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places: places,
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selectedPlaceId: places.first.id,
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reviewDraft: const VoiceReviewDraft(
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placeName: '',
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duration: Duration.zero,
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extractedTraits: {},
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suggestedIntents: {},
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evidence: [],
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),
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);
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}
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void selectIntent(UserIntent intent) {
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PlaceRecommendation? next;
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for (final place in state.places) {
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if (place.traits.intersection(intent.traits).isNotEmpty) {
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next = place;
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break;
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}
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}
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state = state.copyWith(intent: intent, selectedPlaceId: next?.id);
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}
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void selectPlace(String placeId) {
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state = state.copyWith(selectedPlaceId: placeId);
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}
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void setReviewPlace(String placeName) {
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state = state.copyWith(
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reviewDraft: state.reviewDraft.copyWith(placeName: placeName),
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);
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}
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void setReviewDuration(Duration duration) {
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state = state.copyWith(
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reviewDraft: state.reviewDraft.copyWith(duration: duration),
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);
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}
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void analyzeVoiceReview() {
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final placeName = state.reviewDraft.placeName.trim().isEmpty
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? 'Новое место'
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: state.reviewDraft.placeName.trim();
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state = state.copyWith(
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reviewDraft: state.reviewDraft.copyWith(
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placeName: placeName,
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duration: state.reviewDraft.duration.inSeconds < 30
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? const Duration(seconds: 36)
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: state.reviewDraft.duration,
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extractedTraits: {
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PlaceTrait.cozy,
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PlaceTrait.private,
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PlaceTrait.beautiful,
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PlaceTrait.calm,
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},
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suggestedIntents: {UserIntent.exhale, UserIntent.date},
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evidence: [
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'можно нормально поговорить',
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'место мягкое, не давит',
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'туда хочется привести человека вечером',
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],
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),
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);
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}
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void publishReview({LatLng? coordinate}) {
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final draft = state.reviewDraft;
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final place = PlaceRecommendation(
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id: 'local-${DateTime.now().microsecondsSinceEpoch}',
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name: draft.placeName.trim().isEmpty ? 'Новое место' : draft.placeName,
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area: 'добавлено голосом',
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photoUrls: const [
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'https://images.unsplash.com/photo-1554118811-1e0d58224f24?auto=format&fit=crop&w=600&q=80',
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'https://images.unsplash.com/photo-1514933651103-005eec06c04b?auto=format&fit=crop&w=600&q=80',
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'https://images.unsplash.com/photo-1555396273-367ea4eb4db5?auto=format&fit=crop&w=600&q=80',
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],
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coordinate: coordinate ?? const LatLng(10.7729, 106.7004),
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traits: draft.extractedTraits.isEmpty
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? {PlaceTrait.cozy, PlaceTrait.calm}
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: draft.extractedTraits,
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);
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state = state.copyWith(
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places: [place, ...state.places],
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selectedPlaceId: place.id,
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reviewDraft: const VoiceReviewDraft(
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placeName: '',
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duration: Duration.zero,
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extractedTraits: {},
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suggestedIntents: {},
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evidence: [],
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),
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);
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}
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List<PlaceRecommendation> _seedPlaces() {
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return const [
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PlaceRecommendation(
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id: 'secret-garden',
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name: 'Secret Garden',
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area: 'District 1',
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photoUrls: [
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'https://images.unsplash.com/photo-1552566626-52f8b828add9?auto=format&fit=crop&w=600&q=80',
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'https://images.unsplash.com/photo-1559339352-11d035aa65de?auto=format&fit=crop&w=600&q=80',
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'https://images.unsplash.com/photo-1521017432531-fbd92d768814?auto=format&fit=crop&w=600&q=80',
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],
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coordinate: LatLng(10.7752, 106.7009),
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traits: {
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PlaceTrait.calm,
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PlaceTrait.cozy,
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PlaceTrait.private,
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PlaceTrait.beautiful,
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PlaceTrait.social,
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},
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),
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PlaceRecommendation(
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id: 'workshop',
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name: 'The Workshop',
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area: 'District 1',
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photoUrls: [
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'https://images.unsplash.com/photo-1495474472287-4d71bcdd2085?auto=format&fit=crop&w=600&q=80',
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'https://images.unsplash.com/photo-1501339847302-ac426a4a7cbb?auto=format&fit=crop&w=600&q=80',
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'https://images.unsplash.com/photo-1511920170033-f8396924c348?auto=format&fit=crop&w=600&q=80',
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],
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coordinate: LatLng(10.7740, 106.7042),
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traits: {
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PlaceTrait.focused,
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PlaceTrait.calm,
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PlaceTrait.neutral,
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PlaceTrait.solo,
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},
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),
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PlaceRecommendation(
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id: 'oc-dao',
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name: 'Oc Dao',
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area: 'District 1',
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photoUrls: [
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'https://images.unsplash.com/photo-1555396273-367ea4eb4db5?auto=format&fit=crop&w=600&q=80',
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'https://images.unsplash.com/photo-1544025162-d76694265947?auto=format&fit=crop&w=600&q=80',
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'https://images.unsplash.com/photo-1551218808-94e220e084d2?auto=format&fit=crop&w=600&q=80',
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],
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coordinate: LatLng(10.7607, 106.6898),
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traits: {
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PlaceTrait.alive,
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PlaceTrait.open,
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PlaceTrait.social,
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PlaceTrait.unusual,
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},
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),
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PlaceRecommendation(
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id: 'l-usine',
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name: 'L\'Usine',
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area: 'Dong Khoi',
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photoUrls: [
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'https://images.unsplash.com/photo-1514933651103-005eec06c04b?auto=format&fit=crop&w=600&q=80',
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'https://images.unsplash.com/photo-1550966871-3ed3cdb5ed0c?auto=format&fit=crop&w=600&q=80',
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'https://images.unsplash.com/photo-1551632436-cbf8dd35adfa?auto=format&fit=crop&w=600&q=80',
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],
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coordinate: LatLng(10.7755, 106.7038),
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traits: {
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PlaceTrait.status,
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PlaceTrait.beautiful,
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PlaceTrait.private,
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PlaceTrait.clear,
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},
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),
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];
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}
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}
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