From 66d3159575595a710b89dcbc1f67295d5e9e2e03 Mon Sep 17 00:00:00 2001
From: natepage <nathan.page86@gmail.com>
Date: Tue, 9 Mar 2021 22:49:29 +1100
Subject: [PATCH] [EasyWebhook] Implement rewind on stack to allow calling the
 same instance of webhook client more than once

---
 packages/EasyWebhook/src/Interfaces/StackInterface.php | 2 ++
 packages/EasyWebhook/src/Stack.php                     | 5 +++++
 packages/EasyWebhook/src/WebhookClient.php             | 3 +++
 3 files changed, 10 insertions(+)

diff --git a/packages/EasyWebhook/src/Interfaces/StackInterface.php b/packages/EasyWebhook/src/Interfaces/StackInterface.php
index bf3e2beeb7..ebd3d95d8e 100644
--- a/packages/EasyWebhook/src/Interfaces/StackInterface.php
+++ b/packages/EasyWebhook/src/Interfaces/StackInterface.php
@@ -7,4 +7,6 @@
 interface StackInterface
 {
     public function next(): MiddlewareInterface;
+
+    public function rewind(): void;
 }
diff --git a/packages/EasyWebhook/src/Stack.php b/packages/EasyWebhook/src/Stack.php
index cd0e2b87d0..f8b61596f8 100644
--- a/packages/EasyWebhook/src/Stack.php
+++ b/packages/EasyWebhook/src/Stack.php
@@ -52,4 +52,9 @@ public function next(): MiddlewareInterface
 
         return $next;
     }
+
+    public function rewind(): void
+    {
+        $this->index = 0;
+    }
 }
diff --git a/packages/EasyWebhook/src/WebhookClient.php b/packages/EasyWebhook/src/WebhookClient.php
index ba0c4e5c17..f3f90e2282 100644
--- a/packages/EasyWebhook/src/WebhookClient.php
+++ b/packages/EasyWebhook/src/WebhookClient.php
@@ -28,6 +28,9 @@ public function getStack(): StackInterface
 
     public function sendWebhook(WebhookInterface $webhook): WebhookResultInterface
     {
+        // Make sure stack is "fresh"
+        $this->stack->rewind();
+
         return $this->stack
             ->next()
             ->process($webhook, $this->stack);