add more data to function offloading

Author: JohnDuprey

Modules/CIPPCore/Public/Entrypoints/HTTP Functions/CIPP/Settings/Invoke-ExecOffloadFunctions.ps1

@@ -21,13 +21,43 @@ Function Invoke-ExecOffloadFunctions {
 
         if ($Request.Query.Action -eq 'ListCurrent') {
             $CurrentState = Get-CIPPAzDataTableEntity @Table -Filter "PartitionKey eq 'OffloadFunctions' and RowKey eq 'OffloadFunctions'"
+            $VersionTable = Get-CippTable -tablename 'Version'
+            $Version = Get-CIPPAzDataTableEntity @VersionTable -Filter "RowKey ne 'Version'"
+            $MainVersion = $Version | Where-Object { $_.RowKey -eq $env:WEBSITE_SITE_NAME }
+            $OffloadVersions = $Version | Where-Object { $_.RowKey -match '-' }
+
+            $Alerts = [System.Collections.Generic.List[string]]::new()
+
+            $CanEnable = $false
+            if (!$OffloadVersions.Version) {
+                $Alerts.Add('No offloaded function apps have been registered. If you''ve just deployed one, this can take up to 15 minutes.')
+            } else {
+                $CanEnable = $true
+            }
+
+            foreach ($Offload in $OffloadVersions) {
+                $FunctionName = $Offload.RowKey
+                if ($OffloadVersion -ne $MainVersion.Version) {
+                    $
+                    $Alerts.Add("The version of $FunctionName ($($Offload.Version)) does not match the current version of $($MainVersion.Version).")
+                }
+            }
+
+            $VersionTable = $Version | Select-Object @{n = 'Name'; e = { $_.RowKey } }, @{n = 'Version'; e = { $_.Version } }
+
             $CurrentState = if (!$CurrentState) {
                 [PSCustomObject]@{
                     OffloadFunctions = $false
+                    Version          = @($VersionTable)
+                    Alerts           = $Alerts
+                    CanEnable        = $CanEnable
                 }
             } else {
                 [PSCustomObject]@{
                     OffloadFunctions = $CurrentState.state
+                    Version          = @($VersionTable)
+                    Alerts           = $Alerts
+                    CanEnable        = $CanEnable
                 }
             }
             Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{