Resolve merge conflicts: README + ignore IDE files

lib/services/address_repository.dart

@@ -1,6 +1,7 @@
 import 'dart:convert';
-import 'package:http/http.dart' as http;
-import '../app_config.dart';
+
+import 'package:shared_preferences/shared_preferences.dart';
+
 import '../models/address_entry.dart';
 import '../models/address_record.dart';
 import '../models/auth_session.dart';
@@ -14,68 +15,61 @@ abstract class AddressRepository {
   Future<List<AddressRecord>> getMyAddresses({required AuthSession session});
 }
 
-class HttpAddressRepository implements AddressRepository {
-  const HttpAddressRepository({http.Client? client}) : _client = client;
-
-  final http.Client? _client;
+class LocalAddressRepository implements AddressRepository {
+  const LocalAddressRepository();
+  static const String _localAddressPrefix = 'local_addresses_';
 
   @override
   Future<void> saveAddress({
     required AuthSession session,
     required AddressEntry address,
   }) async {
-    final uri = Uri.parse('${AppConfig.apiBaseUrl}/addresses');
-
-    late final http.Response response;
-    try {
-      response = await (_client ?? http.Client()).post(
-        uri,
-        headers: {
-          'Content-Type': 'application/json',
-          'Accept': 'application/json',
-          'Authorization': 'Bearer ${session.token}',
-        },
-        body: jsonEncode(address.toJson()),
-      );
-    } catch (_) {
-      throw AddressException(
-        'No se pudo conectar con el backend en ${AppConfig.apiBaseUrl}.',
-      );
-    }
-
-    if (response.statusCode < 200 || response.statusCode >= 300) {
-      final payload = jsonDecode(response.body);
-      final message = payload['message']?.toString() ?? 'Error al guardar la dirección.';
-      throw AddressException(message);
-    }
+    await _persistLocalAddress(session: session, address: address);
   }
 
   @override
   Future<List<AddressRecord>> getMyAddresses({required AuthSession session}) async {
-    final uri = Uri.parse('${AppConfig.apiBaseUrl}/addresses/me');
+    return _loadLocalAddresses(session);
+  }
 
-    late final http.Response response;
-    try {
-      response = await (_client ?? http.Client()).get(
-        uri,
-        headers: {
-          'Accept': 'application/json',
-          'Authorization': 'Bearer ${session.token}',
-        },
-      );
-    } catch (_) {
-      throw AddressException(
-        'No se pudo conectar con el backend en ${AppConfig.apiBaseUrl}.',
-      );
+  Future<void> _persistLocalAddress({required AuthSession session, required AddressEntry address}) async {
+    final prefs = await SharedPreferences.getInstance();
+    final key = '$_localAddressPrefix${session.email.toLowerCase()}';
+    final existing = await _loadLocalAddresses(session);
+    final records = <AddressRecord>[
+      AddressRecord(
+        id: DateTime.now().millisecondsSinceEpoch,
+        houseNumber: address.houseNumber,
+        colonia: address.colonia,
+        street: address.street,
+      ),
+      ...existing,
+    ];
+
+    final encoded = jsonEncode(
+      records
+          .map(
+            (record) => <String, dynamic>{
+              'id': record.id,
+              'houseNumber': record.houseNumber,
+              'colonia': record.colonia,
+              'street': record.street,
+            },
+          )
+          .toList(growable: false),
+    );
+    await prefs.setString(key, encoded);
+  }
+
+  Future<List<AddressRecord>> _loadLocalAddresses(AuthSession session) async {
+    final prefs = await SharedPreferences.getInstance();
+    final key = '$_localAddressPrefix${session.email.toLowerCase()}';
+    final raw = prefs.getString(key);
+    if (raw == null || raw.trim().isEmpty) {
+      return <AddressRecord>[];
     }
 
-    if (response.statusCode < 200 || response.statusCode >= 300) {
-      final payload = jsonDecode(response.body);
-      final message = payload['message']?.toString() ?? 'Error al obtener las direcciones.';
-      throw AddressException(message);
-    }
-
-    final decoded = jsonDecode(response.body);
+    final decoded = jsonDecode(raw);
     if (decoded is! List) {
       return <AddressRecord>[];
     }