add text replacement and max character limits to device rename

Author: JohnDuprey

Modules/CIPPCore/Public/Entrypoints/HTTP Functions/Endpoint/MEM/Invoke-ExecDeviceAction.ps1

@@ -1,6 +1,6 @@
 using namespace System.Net
 
-Function Invoke-ExecDeviceAction {
+function Invoke-ExecDeviceAction {
     <#
     .FUNCTIONALITY
         Entrypoint
@@ -22,6 +22,16 @@ Function Invoke-ExecDeviceAction {
     try {
         switch ($Action) {
             'setDeviceName' {
+                if ($Request.Body.input -match '%') {
+                    $Device = New-GraphGetRequest -uri "https://graph.microsoft.com/beta/deviceManagement/managedDevices/$DeviceFilter" -tenantid $TenantFilter
+                    $Request.Body.input = Get-CIPPTextReplacement -TenantFilter $TenantFilter -Text $Request.Body.input
+                    $Request.Body.input = $Request.Body.input -replace '%SERIAL%', $Device.serialNumber
+                    # limit to 15 characters
+                    if ($Request.Body.input.Length -gt 15) {
+                        $Request.Body.input = $Request.Body.input.Substring(0, 15)
+                    }
+                }
+
                 $ActionBody = @{ deviceName = $Request.Body.input } | ConvertTo-Json -Compress
                 break
             }
@@ -30,7 +40,7 @@ Function Invoke-ExecDeviceAction {
                 Write-Host "ActionBody: $ActionBody"
                 break
             }
-            Default { $ActionBody = $Request.Body | ConvertTo-Json -Compress }
+            default { $ActionBody = $Request.Body | ConvertTo-Json -Compress }
         }
 
         $cmdParams = @{