Estado base antes de integración Cognito.

Incluye admin web Spring Boot, API JWT para escáner y app Flutter qrscanner con login y escaneo de pases.
2026-06-09 15:51:44 -06:00
commit f8468350d5
2162 changed files with 433376 additions and 0 deletions
@@ -0,0 +1,85 @@
+import 'dart:convert';
+
+import 'package:http/http.dart' as http;
+import 'package:qrscanner/config/api_config.dart';
+import 'package:qrscanner/models/auth_session.dart';
+import 'package:qrscanner/models/login_response.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+class AuthService {
+  static const _sessionKey = 'auth_session';
+
+  AuthSession? _currentSession;
+
+  AuthSession? get currentSession => _currentSession;
+
+  Future<LoginResponse> login({
+    required String username,
+    required String password,
+    bool rememberMe = false,
+  }) async {
+    final response = await http.post(
+      Uri.parse(ApiConfig.loginUrl),
+      headers: const {'Content-Type': 'application/json'},
+      body: jsonEncode({
+        'username': username,
+        'password': password,
+      }),
+    );
+
+    final Map<String, dynamic> body =
+        jsonDecode(response.body) as Map<String, dynamic>;
+    final loginResponse = LoginResponse.fromJson(body);
+
+    if (response.statusCode == 200 &&
+        loginResponse.success &&
+        loginResponse.accessToken != null) {
+      final session = AuthSession.fromLoginResponse(
+        loginResponse.copyWith(username: loginResponse.username ?? username),
+      );
+      _currentSession = session;
+
+      if (rememberMe) {
+        await _saveSession(session);
+      } else {
+        await clearSession();
+      }
+
+      return loginResponse;
+    }
+
+    return LoginResponse(
+      success: false,
+      message: loginResponse.message ??
+          'No se pudo iniciar sesión (${response.statusCode})',
+    );
+  }
+
+  Future<void> _saveSession(AuthSession session) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString(_sessionKey, jsonEncode(session.toJson()));
+  }
+
+  Future<void> clearSession() async {
+    _currentSession = null;
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.remove(_sessionKey);
+  }
+
+  Future<AuthSession?> loadStoredSession() async {
+    final prefs = await SharedPreferences.getInstance();
+    final raw = prefs.getString(_sessionKey);
+    if (raw == null || raw.isEmpty) return null;
+
+    final session = AuthSession.fromJson(
+      jsonDecode(raw) as Map<String, dynamic>,
+    );
+    _currentSession = session;
+    return session;
+  }
+
+  Future<bool> hasStoredSession() async {
+    final session = await loadStoredSession();
+    return session != null && session.accessToken.isNotEmpty;
+  }
+}