#Manage-OutlookAttachmentFolder.ps1
#Alan dot Kaplan at va dot gov
#12-17-15

Function Get-FileSizeString ($len){
switch ($len)
 {
     {$_ -ge 1TB} { "{0:n2}" -f  ($_ / 1TB) + " TB";Break}
     {$_ -ge 1GB} { "{0:n2}" -f  ($_ / 1GB) + " GB";Break}
     {$_ -ge 1000KB} { "{0:n2}" -f  ($_ / 1MB) + " MB";Break}
     Default {"{0:n2}" -f  ($_ / 1KB) + " KB"}
 }
}

Function Choose-FolderDialog{
Param
    (
        #
        [Parameter(Mandatory=$False)]
        $RootFolder='MyComputer',

        [Parameter(Mandatory=$false)]
        [bool]$NewFolderBtn=$true,

        [Parameter(Mandatory=$false)]
        [string]$Title=""
    )

    Add-Type -AssemblyName System.Windows.Forms

    $FolderBrowser = New-Object System.Windows.Forms.FolderBrowserDialog -Property @{
        RootFolder = $RootFolder
        ShowNewFolderButton = $NewFolderBtn
        Description = $Title
    }
 
     $Show = $FolderBrowser.ShowDialog()
     If ($Show -eq "OK")
     {
         Return  $FolderBrowser.SelectedPath
     }
     Else
     {
        Write-warning "Operation cancelled by user."
     }

}

$List = gci "$env:UserProfile\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\" -file -Recurse |
Select Name, LastWriteTime, length, @{Name="FileSize";Expression={Get-FileSizeString $_.length }}, FullName |
out-gridview -Title "Select Item(s), then `"OK`" to choose `"Delete`" or `"Move`" actions" -passthru 

Add-Type -assemblyname Microsoft.visualBasic
$msg = "
1) Delete item(s) in list
2) Move item(s)
0) Quit
"

[int]$Retval = [Microsoft.VisualBasic.Interaction]::InputBox($Msg, "Choose Action", 0)
switch ($Retval)
{
    1 {
      $list | foreach {
      $msg = "Deleting " + $_.Name
      Write $msg
      Remove-Item  $_.Fullname -Force
      }
    }
    2 {
    $DestFolder = Choose-FolderDialog -RootFolder Desktop -NewFolderBtn:$True -Title "Move files here:"
    if (Test-Path $DestFolder){
        $list |foreach { 
        $msg = "Moving " + $_.Name + " to $destfolder"
        Write $msg
        Move-Item $_.fullname -Destination $destfolder
        }
        }Else{Exit}
   }
    Default {Exit}
}