From 8d1a1f8a6915cac1f883b2ee97621e1ff5c33537 Mon Sep 17 00:00:00 2001
From: andy <andy.nguyen@xendit.co>
Date: Fri, 5 Aug 2022 11:54:48 +0700
Subject: [PATCH] Fix the nagative amount item

---
 modules/gateways/xendit/lib/Link.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/gateways/xendit/lib/Link.php b/modules/gateways/xendit/lib/Link.php
index d11fe25..3b9e6a0 100644
--- a/modules/gateways/xendit/lib/Link.php
+++ b/modules/gateways/xendit/lib/Link.php
@@ -17,6 +17,10 @@ protected function extractItems(\WHMCS\Billing\Invoice $invoice): array
     {
         $items = array();
         foreach ($invoice->items()->get() as $item) {
+            if ($item->amount < 0) {
+                continue;
+            }
+
             $items[] = [
                 'quantity' => 1,
                 'name' => $item->description,