add metered connection detection and option

Winget-AutoUpdate-Install.ps1

@@ -34,6 +34,9 @@ Set WAU to run at user logon.
 .PARAMETER UpdatesInterval
 Specify the update frequency: Daily (Default), Weekly, Biweekly or Monthly.
 
+.PARAMETER RunOnMetered
+Run WAU on metered connection. Default No.
+
 .EXAMPLE
 .\winget-install-and-update.ps1 -Silent -DoNotUpdate
 
@@ -251,6 +254,9 @@ function Install-WingetAutoUpdate {
         if ($UseWhiteList) {
             New-ItemProperty $regPath -Name WAU_UseWhiteList -Value 1 -PropertyType DWord -Force | Out-Null
         }
+        if (!$RunOnMetered) {
+            New-ItemProperty $regPath -Name WAU_DoNotRunOnMetered -Value 1 -PropertyType DWord -Force | Out-Null
+        }
 
         Write-host "WAU Installation succeeded!" -ForegroundColor Green
         Start-sleep 1

Winget-AutoUpdate/functions/Test-Network.ps1

@@ -14,7 +14,34 @@ function Test-Network {
         if ($TestNetwork) {
             
             Write-Log "Connected !" "Green"
-            return $true
+
+            #Check for metered connection
+            [void][Windows.Networking.Connectivity.NetworkInformation, Windows, ContentType = WindowsRuntime]
+            $cost = [Windows.Networking.Connectivity.NetworkInformation]::GetInternetConnectionProfile().GetConnectionCost()
+            
+            if ($cost.ApproachingDataLimit -or $cost.OverDataLimit -or $cost.Roaming -or $cost.BackgroundDataUsageRestricted -or ($cost.NetworkCostType -ne "Unrestricted")){
+                
+                Write-Log "Metered connection detected." "Yellow"
+                
+                if ($WAUConfig.WAU_DoNotRunOnMetered -eq 1) {
+                    
+                    Write-Log "WAU is configured to bypass update checking on metered connection"
+                    return $false
+                
+                }
+                else{
+                
+                    Write-Log "WAU is configured to force update checking on metered connection"
+                    return $true
+                
+                }
+            
+            }
+            else{
+
+                return $true
+
+            }
         
         }
         else {