feat: ajout de la configuration des émulateurs Firebase et mise à jour des services pour utiliser le backend sécurisé
This commit is contained in:
ElPoyo
216
em2rp/lib/services/api_service.dart
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216
em2rp/lib/services/api_service.dart
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import 'package:firebase_auth/firebase_auth.dart';
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import 'package:http/http.dart' as http;
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import 'dart:convert';
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import 'package:em2rp/config/api_config.dart';
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import 'package:cloud_firestore/cloud_firestore.dart';
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/// Interface abstraite pour les opérations API
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/// Permet de changer facilement de backend (Firebase Functions, REST API personnalisé, etc.)
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abstract class ApiService {
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Future<Map<String, dynamic>> call(String functionName, Map<String, dynamic> data);
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Future<T?> get<T>(String endpoint, {Map<String, dynamic>? params});
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Future<T> post<T>(String endpoint, Map<String, dynamic> data);
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Future<T> put<T>(String endpoint, Map<String, dynamic> data);
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Future<void> delete(String endpoint, {Map<String, dynamic>? data});
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}
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/// Implémentation pour Firebase Cloud Functions
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class FirebaseFunctionsApiService implements ApiService {
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// URL de base - gérée par ApiConfig
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String get _baseUrl => ApiConfig.baseUrl;
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/// Récupère le token d'authentification Firebase
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Future<String?> _getAuthToken() async {
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final user = FirebaseAuth.instance.currentUser;
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if (user == null) return null;
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return await user.getIdToken();
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}
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/// Headers par défaut avec authentification
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Future<Map<String, String>> _getHeaders() async {
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final token = await _getAuthToken();
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return {
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'Content-Type': 'application/json',
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if (token != null) 'Authorization': 'Bearer $token',
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};
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}
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/// Convertit récursivement les Timestamps Firestore, DocumentReference et GeoPoint en formats encodables
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dynamic _convertTimestamps(dynamic value) {
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if (value == null) return null;
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if (value is Timestamp) {
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// Convertir Timestamp en ISO string
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return value.toDate().toIso8601String();
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} else if (value is DateTime) {
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// Convertir DateTime en ISO string
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return value.toIso8601String();
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} else if (value is DocumentReference) {
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// Convertir DocumentReference en path string
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return value.path;
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} else if (value is GeoPoint) {
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// Convertir GeoPoint en objet avec latitude et longitude
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return {
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'latitude': value.latitude,
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'longitude': value.longitude,
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};
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} else if (value is Map) {
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// Parcourir récursivement les Maps et créer une nouvelle Map typée
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final Map<String, dynamic> result = {};
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value.forEach((key, val) {
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result[key.toString()] = _convertTimestamps(val);
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});
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return result;
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} else if (value is List) {
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// Parcourir récursivement les Lists
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return value.map((item) => _convertTimestamps(item)).toList();
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}
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return value;
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}
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@override
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Future<Map<String, dynamic>> call(String functionName, Map<String, dynamic> data) async {
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final url = Uri.parse('$_baseUrl/$functionName');
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final headers = await _getHeaders();
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// Convertir les Timestamps avant l'envoi
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final convertedData = _convertTimestamps(data) as Map<String, dynamic>;
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final response = await http.post(
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url,
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headers: headers,
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body: jsonEncode({'data': convertedData}),
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);
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if (response.statusCode >= 200 && response.statusCode < 300) {
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final responseData = jsonDecode(response.body);
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return responseData is Map<String, dynamic> ? responseData : {};
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} else {
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final error = jsonDecode(response.body);
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throw ApiException(
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message: error['error'] ?? 'Unknown error',
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statusCode: response.statusCode,
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);
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}
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}
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@override
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Future<T?> get<T>(String endpoint, {Map<String, dynamic>? params}) async {
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final url = Uri.parse('$_baseUrl/$endpoint').replace(queryParameters: params);
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final headers = await _getHeaders();
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final response = await http.get(url, headers: headers);
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if (response.statusCode >= 200 && response.statusCode < 300) {
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final responseData = jsonDecode(response.body);
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return responseData as T?;
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} else if (response.statusCode == 404) {
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return null;
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} else {
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final error = jsonDecode(response.body);
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throw ApiException(
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message: error['error'] ?? 'Unknown error',
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statusCode: response.statusCode,
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);
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}
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}
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@override
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Future<T> post<T>(String endpoint, Map<String, dynamic> data) async {
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final url = Uri.parse('$_baseUrl/$endpoint');
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final headers = await _getHeaders();
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// Convertir les Timestamps avant l'envoi
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final convertedData = _convertTimestamps(data) as Map<String, dynamic>;
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final response = await http.post(
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url,
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headers: headers,
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body: jsonEncode({'data': convertedData}),
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);
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if (response.statusCode >= 200 && response.statusCode < 300) {
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final responseData = jsonDecode(response.body);
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return responseData as T;
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} else {
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final error = jsonDecode(response.body);
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throw ApiException(
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message: error['error'] ?? 'Unknown error',
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statusCode: response.statusCode,
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);
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}
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}
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@override
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Future<T> put<T>(String endpoint, Map<String, dynamic> data) async {
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final url = Uri.parse('$_baseUrl/$endpoint');
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final headers = await _getHeaders();
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// Convertir les Timestamps avant l'envoi
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final convertedData = _convertTimestamps(data) as Map<String, dynamic>;
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final response = await http.put(
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url,
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headers: headers,
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body: jsonEncode({'data': convertedData}),
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);
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if (response.statusCode >= 200 && response.statusCode < 300) {
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final responseData = jsonDecode(response.body);
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return responseData as T;
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} else {
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final error = jsonDecode(response.body);
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throw ApiException(
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message: error['error'] ?? 'Unknown error',
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statusCode: response.statusCode,
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);
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}
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}
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@override
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Future<void> delete(String endpoint, {Map<String, dynamic>? data}) async {
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final url = Uri.parse('$_baseUrl/$endpoint');
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final headers = await _getHeaders();
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// Convertir les Timestamps avant l'envoi si data existe
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final convertedData = data != null ? _convertTimestamps(data) as Map<String, dynamic> : null;
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final response = await http.delete(
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url,
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headers: headers,
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body: convertedData != null ? jsonEncode({'data': convertedData}) : null,
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);
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if (response.statusCode < 200 || response.statusCode >= 300) {
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final error = jsonDecode(response.body);
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throw ApiException(
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message: error['error'] ?? 'Unknown error',
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statusCode: response.statusCode,
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);
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}
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}
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}
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/// Exception personnalisée pour les erreurs API
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class ApiException implements Exception {
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final String message;
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final int statusCode;
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ApiException({
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required this.message,
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required this.statusCode,
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});
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@override
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String toString() => 'ApiException($statusCode): $message';
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bool get isForbidden => statusCode == 403;
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bool get isUnauthorized => statusCode == 401;
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bool get isNotFound => statusCode == 404;
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bool get isConflict => statusCode == 409;
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}
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/// Instance singleton du service API
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final ApiService apiService = FirebaseFunctionsApiService();
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