From 60a501d9bcf360eab2c663bdf6d962742bb8e8e4 Mon Sep 17 00:00:00 2001
From: Mikey O'Toole <mikey@mjco.uk>
Date: Mon, 23 Oct 2023 12:03:14 +0100
Subject: [PATCH] Alter retry handling to increase delay after subsequent
 retries.

---
 Public/Invoke-HaloRequest.ps1 | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Public/Invoke-HaloRequest.ps1 b/Public/Invoke-HaloRequest.ps1
index 707fd54..f480cc6 100644
--- a/Public/Invoke-HaloRequest.ps1
+++ b/Public/Invoke-HaloRequest.ps1
@@ -44,6 +44,8 @@ function Invoke-HaloRequest {
         $RequestHeaders = $null
     }
     $Retries = 0
+    $BaseDelay = 5 # Base delay of 5 seconds
+    $MaxDelay = 60 # Maximum delay of 60 seconds
     do {
         $Retries++
         $Results = try {
@@ -61,8 +63,9 @@ function Invoke-HaloRequest {
         } catch [Microsoft.PowerShell.Commands.HttpResponseException] {
             $Success = $False
             if ($_.Exception.Response.StatusCode.value__ -eq 429) {
-                Write-Warning 'The request was throttled, waiting for 5 seconds.'
-                Start-Sleep -Seconds 5
+                $WaitTime = [math]::Min($BaseDelay * [math]::Pow(2, $Retries - 1), $MaxDelay)
+                Write-Warning "The request was throttled, waiting for $WaitTime seconds."
+                Start-Sleep -Seconds $WaitTime
                 continue
             } else {
                 throw $_