From 95dab16f679732c26f99cf16477b94cd40a43342 Mon Sep 17 00:00:00 2001
From: Hitesh Pattanayak <48874082+HiteshRepo@users.noreply.github.com>
Date: Sun, 24 Dec 2023 10:25:10 +0530
Subject: [PATCH] skip cleanup of hidden list (#4934)

skips cleanup of hidden list considering them system generated and delete attempt for them would result in graph error `General exception while processing`

list details response for list `Corso_Restore_23-Dec-2023_14-54-05_Sharing Links` of 'hidden' type
```
{
    "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#sites('4892edf5-2ebf-46be-a6e5-a40b2cbf1c1a')/lists/$entity",
    "@odata.etag": "\"35697c04-415d-44ad-b328-527e32a20126,1\"",
    "createdDateTime": "2023-12-23T14:54:36Z",
    "description": "Use this list to track documents which have internal or anonymous sharing links in the site.",
    "eTag": "\"35697c04-415d-44ad-b328-527e32a20126,1\"",
    "id": "35697c04-415d-44ad-b328-527e32a20126",
    "lastModifiedDateTime": "2023-12-23T14:55:07Z",
    "name": "Corso_Restore_23Dec2023_145405_Sharing Links",
    "webUrl": "https://10rqc2.sharepoint.com/sites/CorsoCI/Corso_Restore_23Dec2023_145405_Sharing%20Links",
    "displayName": "Corso_Restore_23-Dec-2023_14-54-05_Sharing Links",
    "createdBy": {
        "user": {
            "displayName": "SharePoint App"
        }
    },
    "parentReference": {
        "siteId": "10rqc2.sharepoint.com,4892edf5-2ebf-46be-a6e5-a40b2cbf1c1a,38ab6d06-fc82-4417-af93-22d8733c22be"
    },
    "list": {
        "contentTypesEnabled": false,
        "hidden": true,
        "template": "sharingLinks"
    }
}
```

#### Does this PR need a docs update or release note?
- [x] :no_entry: No

#### Type of change

<!--- Please check the type of change your PR introduces: --->
- [x] :computer: CI/Deployment

#### Issue(s)
https://github.com/alcionai/corso/actions/runs/7312141926/job/19922423733

#### Test Plan

<!-- How will this be tested prior to merging.-->
- [x] :green_heart: E2E
---
 src/cmd/purge/scripts/onedrivePurge.ps1 | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/cmd/purge/scripts/onedrivePurge.ps1 b/src/cmd/purge/scripts/onedrivePurge.ps1
index 4204d5596..b006b1be3 100644
--- a/src/cmd/purge/scripts/onedrivePurge.ps1
+++ b/src/cmd/purge/scripts/onedrivePurge.ps1
@@ -182,6 +182,14 @@ function Delete-LibraryByPrefix {
         if ($PSCmdlet.ShouldProcess("Name: " + $l.Title + "Remove folder")) {
             Write-Host "Deleting list: "$l.Title
             try {
+                $listInfo = Get-PnPList -Identity $l.Id -Fields Hidden
+
+                # Check if the 'hidden' property is true
+                if ($listInfo.Hidden) {
+                    Write-Host "List: $($l.Title) is hidden. Skipping..."
+                    continue
+                }
+
                 Remove-PnPList -Identity $l.Id  -Force
             }
             catch [ System.Management.Automation.ItemNotFoundException ] {