Refine NameOnly logic in Get-CIPPBackup

Updated the NameOnly parameter handling to filter out partitioned RowKeys and apply TenantFilter matching on RowKey when NameOnly is present. This improves the accuracy of backup name retrieval and ensures correct filtering based on tenant.

Author: JohnDuprey

Modules/CIPPCore/Public/Get-CIPPBackup.ps1

@@ -18,14 +18,22 @@ function Get-CIPPBackup {
     }
 
     if ($NameOnly.IsPresent) {
-        $Table.Property = @('PartitionKey', 'RowKey', 'Timestamp', 'OriginalEntityId')
+        $Table.Property = @('RowKey')
     }
 
     $Filter = $Conditions -join ' and '
     $Table.Filter = $Filter
-    $Info = Get-CIPPAzDataTableEntity @Table -Debug
-    if ($TenantFilter) {
-        $Info = $Info | Where-Object { $_.TenantFilter -eq $TenantFilter }
+    $Info = Get-CIPPAzDataTableEntity @Table
+
+    if ($NameOnly.IsPresent) {
+        $Info = $Info | Where-Object { $_.RowKey -notmatch '-part[0-9]+$' }
+        if ($TenantFilter) {
+            $Info = $Info | Where-Object { $_.RowKey -match "^$($TenantFilter)_" }
+        }
+    } else {
+        if ($TenantFilter) {
+            $Info = $Info | Where-Object { $_.TenantFilter -eq $TenantFilter }
+        }
     }
     return $Info
 }