PUDAdminCenterPrototype

0.1.2

Public/Get-WUAHistory.ps1

                                <#

    .SYNOPSIS

        Get Windows Update History.

    .DESCRIPTION

        See .SYNOPSIS

    .NOTES

        From: https://stackoverflow.com/a/41626130

    .EXAMPLE

        # Open an elevated PowerShell Session, import the module, and -

        PS C:\Users\zeroadmin> Get-WuaHistory

#>

function Get-WuaHistory {

    #region >> Helper Functions

    function Convert-WuaResultCodeToName {

        param(

            [Parameter(Mandatory=$True)]

            [int]$ResultCode

        )

        $Result = $ResultCode

        switch($ResultCode) {

          2 {$Result = "Succeeded"}

          3 {$Result = "Succeeded With Errors"}

          4 {$Result = "Failed"}

        }

        return $Result

    }

    #endregion >> Helper Functions

    # Get a WUA Session

    $session = (New-Object -ComObject 'Microsoft.Update.Session')

    # Query the latest 1000 History starting with the first recordp     

    $history = $session.QueryHistory("",0,1000) | foreach {

        $Result = Convert-WuaResultCodeToName -ResultCode $_.ResultCode

        # Make the properties hidden in com properties visible.

        $_ | Add-Member -MemberType NoteProperty -Value $Result -Name Result

        $Product = $_.Categories | Where-Object {$_.Type -eq 'Product'} | Select-Object -First 1 -ExpandProperty Name

        $_ | Add-Member -MemberType NoteProperty -Value $_.UpdateIdentity.UpdateId -Name UpdateId

        $_ | Add-Member -MemberType NoteProperty -Value $_.UpdateIdentity.RevisionNumber -Name RevisionNumber

        $_ | Add-Member -MemberType NoteProperty -Value $Product -Name Product -PassThru

        Write-Output $_

    } 

    #Remove null records and only return the fields we want

    $history | Where-Object {![String]::IsNullOrWhiteSpace($_.title)}

}

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