add balance payment

app/Services/OrderService.php

@@ -3,6 +3,7 @@
 namespace App\Services;
 
 use App\Models\Order;
+use Illuminate\Support\Facades\DB;
 
 class OrderService
 {
@@ -13,8 +14,20 @@ class OrderService
         $this->order = $order;
     }
 
-    public function cancel()
+    public function cancel():void
     {
-
+        $order = $this->order;
+        DB::beginTransaction();
+        $order->status = 2;
+        if (!$order->save()) {
+            DB::rollBack();
+        }
+        if ($order->balance_amount) {
+            $userService = new UserService();
+            if (!$userService->addBalance($order->user_id, $order->balance_amount)) {
+                DB::rollBack();
+            }
+        }
+        DB::commit();
     }
 }