Add default switch case to handle unknown actions

Author: steventux

scripts/powershell/maintenance.ps1

@@ -1,6 +1,6 @@
 param(
     [string]$BaseInstallPath = "C:\Program Files\NHS\ManageBreastScreeningGateway",
-    [ValidateSet("BackupPACSDatabase","BackupMWLDatabase","RotateLogs")]
+    [Parameter(Mandatory)]
     [string]$Action
 )
 
@@ -79,6 +79,7 @@ function Start-AllServices {
         }
 
         Write-Log "$($svc.Name) started in $([math]::Round($stopwatch.Elapsed.TotalSeconds, 1))s." "SUCCESS"
+    }
 }
 
 # -- Database backup ----------------------------------------------------------
@@ -219,6 +220,10 @@ switch ($Action) {
         Start-AllServices -Services $Services -TimeoutSeconds $startStopTimeoutSeconds
     }
 
+    default {
+        Write-Log "Unknown action: $Action" "ERROR"
+        throw "Unknown action: $Action"
+    }
 }
 
 exit 0