initial commit 2

lib/services/address_repository.dart

@@ -0,0 +1,96 @@
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+import '../app_config.dart';
+import '../models/address_entry.dart';
+import '../models/address_record.dart';
+import '../models/auth_session.dart';
+
+abstract class AddressRepository {
+  Future<void> saveAddress({
+    required AuthSession session,
+    required AddressEntry address,
+  });
+
+  Future<List<AddressRecord>> getMyAddresses({required AuthSession session});
+}
+
+class HttpAddressRepository implements AddressRepository {
+  const HttpAddressRepository({http.Client? client}) : _client = client;
+
+  final http.Client? _client;
+
+  @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 ${AppConfig.apiBaseUrl}.',
+      );
+    }
+
+    if (response.statusCode < 200 || response.statusCode >= 300) {
+      final payload = jsonDecode(response.body);
+      final message = payload['message']?.toString() ?? 'Error al guardar la dirección.';
+      throw AddressException(message);
+    }
+  }
+
+  @override
+  Future<List<AddressRecord>> getMyAddresses({required AuthSession session}) async {
+    final uri = Uri.parse('${AppConfig.apiBaseUrl}/addresses/me');
+
+    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}.',
+      );
+    }
+
+    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);
+    if (decoded is! List) {
+      return <AddressRecord>[];
+    }
+
+    return decoded
+        .whereType<Map<String, dynamic>>()
+        .map(AddressRecord.fromJson)
+        .toList(growable: false);
+  }
+}
+
+class AddressException implements Exception {
+  AddressException(this.message);
+  final String message;
+
+  @override
+  String toString() => message;
+}