118 lines
4.1 KiB
Dart
118 lines
4.1 KiB
Dart
import 'dart:convert';
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import 'package:http/http.dart' as http;
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import 'package:flutter_dotenv/flutter_dotenv.dart';
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import '../models/trip.dart';
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import 'error_service.dart';
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/// Service pour géocoder les destinations des voyages
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class TripGeocodingService {
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static final TripGeocodingService _instance = TripGeocodingService._internal();
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factory TripGeocodingService() => _instance;
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TripGeocodingService._internal();
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final ErrorService _errorService = ErrorService();
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static final String _apiKey = dotenv.env['GOOGLE_MAPS_API_KEY'] ?? '';
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/// Géocode la destination d'un voyage et retourne un Trip mis à jour
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Future<Trip> geocodeTrip(Trip trip) async {
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try {
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print('🌍 [TripGeocoding] Géocodage de "${trip.location}"');
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// Vérifier si on a déjà des coordonnées récentes
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if (trip.hasRecentCoordinates) {
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print('✅ [TripGeocoding] Coordonnées récentes trouvées, pas de géocodage nécessaire');
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return trip;
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}
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if (_apiKey.isEmpty) {
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print('❌ [TripGeocoding] Clé API Google Maps manquante');
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throw Exception('Clé API Google Maps non configurée');
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}
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final coordinates = await _geocodeDestination(trip.location);
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if (coordinates != null) {
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print('✅ [TripGeocoding] Coordonnées trouvées: ${coordinates['lat']}, ${coordinates['lng']}');
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return trip.copyWith(
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latitude: coordinates['lat'],
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longitude: coordinates['lng'],
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lastGeocodingUpdate: DateTime.now(),
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);
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} else {
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print('⚠️ [TripGeocoding] Impossible de géocoder "${trip.location}"');
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return trip;
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}
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} catch (e) {
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print('❌ [TripGeocoding] Erreur lors du géocodage: $e');
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_errorService.logError('trip_geocoding_service', e);
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return trip; // Retourner le voyage original en cas d'erreur
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}
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}
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/// Géocode une destination et retourne les coordonnées
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Future<Map<String, double>?> _geocodeDestination(String destination) async {
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try {
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final url = 'https://maps.googleapis.com/maps/api/geocode/json'
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'?address=${Uri.encodeComponent(destination)}'
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'&key=$_apiKey';
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print('🌐 [TripGeocoding] URL = $url');
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final response = await http.get(Uri.parse(url));
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print('📡 [TripGeocoding] Status code = ${response.statusCode}');
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if (response.statusCode == 200) {
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final data = json.decode(response.body);
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print('📋 [TripGeocoding] Réponse géocodage = ${data['status']}');
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if (data['status'] == 'OK' && data['results'].isNotEmpty) {
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final location = data['results'][0]['geometry']['location'];
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final coordinates = {
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'lat': (location['lat'] as num).toDouble(),
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'lng': (location['lng'] as num).toDouble(),
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};
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print('📍 [TripGeocoding] Coordonnées trouvées = $coordinates');
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return coordinates;
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} else {
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print('⚠️ [TripGeocoding] Erreur API = ${data['error_message'] ?? data['status']}');
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return null;
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}
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} else {
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print('❌ [TripGeocoding] Erreur HTTP ${response.statusCode}');
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return null;
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}
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} catch (e) {
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print('❌ [TripGeocoding] Exception lors du géocodage: $e');
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_errorService.logError('trip_geocoding_service', e);
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return null;
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}
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}
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/// Vérifie si un voyage a besoin d'être géocodé
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bool needsGeocoding(Trip trip) {
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return !trip.hasRecentCoordinates;
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}
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/// Géocode plusieurs voyages en batch
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Future<List<Trip>> geocodeTrips(List<Trip> trips) async {
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print('🔄 [TripGeocoding] Géocodage de ${trips.length} voyages');
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final List<Trip> geocodedTrips = [];
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for (final trip in trips) {
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if (needsGeocoding(trip)) {
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final geocodedTrip = await geocodeTrip(trip);
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geocodedTrips.add(geocodedTrip);
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// Petit délai pour éviter de saturer l'API Google
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await Future.delayed(const Duration(milliseconds: 200));
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} else {
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geocodedTrips.add(trip);
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}
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}
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print('✅ [TripGeocoding] Géocodage terminé');
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return geocodedTrips;
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}
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} |