fix logout

flutter/lib/api/odoo_client.dart

@@ -44,24 +44,6 @@ class OdooClient {
     return _call('object', 'execute_kw', params);
   }
 
-  Future<dynamic> executeKwdWithArgs(String model, String method,
-      {List<dynamic> fields = const [], Map<String, dynamic>? kwargs}) async {
-    _uid ??= await authenticate();
-    final args = [
-
-        db,
-        _uid,
-        password,
-        model,
-        method,
-        [],
-        fields,
-
-      if (kwargs != null) kwargs,
-    ];
-    return _call('object', 'execute_kw', args);
-  }
-
   Future<dynamic> executeSearchReadPayload(String model, List<String> fields) async {
     int uid = await authenticate();
     final payload = OdooRpcHelper.searchRead(
@@ -145,4 +127,41 @@ class OdooClient {
   }
 
   void close() => _http.close();
+
+  Future<bool> logout(int uid, String db, String password) async {
+
+    int uid = await authenticate();
+
+    final payload = OdooRpcHelper.buildLogout(
+      service: "common",
+      db: db,
+      uid: uid,
+      password: password,
+      model: "",           // or just use session logout
+      method: "",      // some versions expose this
+      domain: [[]],
+      kwargs: {},
+    );
+
+    try {
+      final resp = await _http
+          .post(_endpoint,
+          headers: {'Content-Type': 'application/json'}, body: jsonEncode(payload))
+          .timeout(const Duration(seconds: 25));
+      final json = jsonDecode(resp.body) as Map<String, dynamic>;
+      if (json.containsKey('error')) {
+        final err = json['error'] as Map?;
+        String? message = (err?['data'] as Map?)?['message'] as String? ??
+            (err?['message'] as String?) ??
+            'Unknown Odoo error';
+        throw Exception('Odoo error: $message');
+      }
+      return json['result'];
+    } on TimeoutException {
+      throw Exception('Timeout — pastikan server Odoo:18069 tercapai');
+    } on http.ClientException catch (e) {
+      throw Exception('Koneksi gagal: ${e.message}');
+    }
+  }
+
 }