fix

lib/Handlers/SpiderHandler.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Bx\Discount\Handlers;
+
+class SpiderHandler
+{
+
+    public static function saleDiscountOnAfterAdd()
+    {
+        static::resetSpider();
+    }
+
+    public static function saleDiscountOnAfterUpdate()
+    {
+        static::resetSpider();
+    }
+
+    public static function saleDiscountOnAfterDelete()
+    {
+        static::resetSpider();
+    }
+
+    public static function resetSpider()
+    {
+        discountApp()->service()->spider()->reset();
+    }
+}