fix logout

flutter/lib/services/session.dart

@@ -4,12 +4,17 @@ const _kBase = 'odoo_base';
 const _kDb = 'odoo_db';
 const _kUser = 'odoo_user';
 const _kPass = 'odoo_pass';
+const _kUid = 'odoo_uid';
 
 /// Menyimpan konfigurasi login (url, db, user, password) secara aman
 /// + menyediakan OdooClient terautentikasi.
 class Session {
   static const _storage = FlutterSecureStorage();
 
+  static Future<void> saveUid(int uid) async {
+    await _storage.write(key: _kUid, value: uid.toString());
+  }
+
   static Future<void> save(String baseUrl, String db, String user, String pass) async {
     await _storage.write(key: _kBase, value: baseUrl);
     await _storage.write(key: _kDb, value: db);
@@ -35,4 +40,28 @@ class Session {
   static Future<String?> readLastUrl() async {
     return _storage.read(key: _kBase);
   }
+
+  static Future<String> readBase() async {
+    final base = await _storage.read(key: _kBase);
+    if (base == null) throw Exception('URL tidak ditemukan');
+    return base;
+  }
+
+  static Future<String?> readDb() async {
+    return _storage.read(key: _kDb);
+  }
+
+  static Future<String?> readUser() async {
+    return _storage.read(key: _kUser);
+  }
+
+  static Future<String?> readPass() async {
+    return _storage.read(key: _kPass);
+  }
+
+  static Future<int?> readUid() async {
+    final uid = await _storage.read(key: _kUid);
+    if (uid == null) return null;
+    return int.tryParse(uid);
+  }
 }