add toggle for expanding group members

Author: JohnDuprey

Modules/CIPPCore/Public/Entrypoints/HTTP Functions/Identity/Administration/Groups/Invoke-ListGroups.ps1

@@ -19,7 +19,14 @@ function Invoke-ListGroups {
     $GroupType = $Request.Query.groupType
     $Members = $Request.Query.members
     $Owners = $Request.Query.owners
-    $SelectString = 'id,createdDateTime,displayName,description,mail,mailEnabled,mailNickname,resourceProvisioningOptions,securityEnabled,visibility,organizationId,onPremisesSamAccountName,membershipRule,groupTypes,onPremisesSyncEnabled,resourceProvisioningOptions,userPrincipalName&$expand=members($select=userPrincipalName)'
+
+    $ExpandMembers = $Request.Query.expandMembers ?? $false
+
+    $SelectString = 'id,createdDateTime,displayName,description,mail,mailEnabled,mailNickname,resourceProvisioningOptions,securityEnabled,visibility,organizationId,onPremisesSamAccountName,membershipRule,groupTypes,onPremisesSyncEnabled,resourceProvisioningOptions,userPrincipalName'
+    if ($ExpandMembers -ne $false) {
+        $SelectString = '{0}&$expand=members($select=userPrincipalName)' -f $SelectString
+    }
+
 
     $BulkRequestArrayList = [System.Collections.Generic.List[object]]::new()
 
@@ -86,7 +93,7 @@ function Invoke-ListGroups {
             $RawGraphRequest = New-GraphBulkRequest -tenantid $TenantFilter -scope 'https://graph.microsoft.com/.default' -Requests @($BulkRequestArrayList) -asapp $true
             $GraphRequest = [PSCustomObject]@{
                 groupInfo              = ($RawGraphRequest | Where-Object { $_.id -eq 1 }).body | Select-Object *, @{ Name = 'primDomain'; Expression = { $_.mail -split '@' | Select-Object -Last 1 } },
-                @{Name = 'teamsEnabled'; Expression = { if ($_.resourceProvisioningOptions -Like '*Team*') { $true } else { $false } } },
+                @{Name = 'teamsEnabled'; Expression = { if ($_.resourceProvisioningOptions -like '*Team*') { $true } else { $false } } },
                 @{Name = 'calculatedGroupType'; Expression = {
                         if ($_.mailEnabled -and $_.securityEnabled) { 'Mail-Enabled Security' }
                         if (!$_.mailEnabled -and $_.securityEnabled) { 'Security' }
@@ -129,4 +136,4 @@ function Invoke-ListGroups {
             Body       = $GraphRequest
         })
 
-}
+}