[PowerCLI] Get-VISession

Function Get-ViSession {
<#
.SYNOPSIS
 Lists vCenter Sessions.

.DESCRIPTION
 Lists all connected vCenter Sessions.

.EXAMPLE
 PS C:\> Get-VISession

.EXAMPLE
 PS C:\> Get-VISession | Where { $_.IdleMinutes -gt 5 }

.AUTHOR
 Alan Renouf

.SOURCE
 https://blogs.vmware.com/PowerCLI/2011/09/list-and-disconnect-vcenter-sessions.html

.OBTAINED
 12/15/2015

.EDITED
 Ryan Simeone - 12/15/2015
#>
    If(!$DefaultViserver){
        Try{
            Connect-VIServer -Server <server> -ErrorAction Stop | Out-Null
        }
        Catch{
            Write-Host "Unable to connect to <server>"
            Break
        }
    }

    $SessionMgr = Get-View $DefaultViserver.ExtensionData.Client.ServiceContent.SessionManager
    $AllSessions = @()

    ForEach($obj in $SessionMgr.SessionList){

        $properties = @{Key = $obj.Key
                        UserName = $obj.UserName
                        FullName = $obj.FullName
                        LoginTime = ($obj.LoginTime).ToLocalTime()
                        LastActiveTime = ($obj.LastActiveTime).ToLocalTime()
                        UserAgent = $obj.UserAgent}

        $Session = New-Object -TypeName PSObject -Property $properties

        If ($obj.Key -eq $SessionMgr.CurrentSession.Key) {
            $Session | Add-Member -MemberType NoteProperty -Name Status -Value “Current Session”
        }

        Else {
            $Session | Add-Member -MemberType NoteProperty -Name Status -Value “Idle”
        }

        $Session | Add-Member -MemberType NoteProperty -Name IdleMinutes -Value ([Math]::Round(((Get-Date) – ($obj.LastActiveTime).ToLocalTime()).TotalMinutes))
        $AllSessions += $Session
    }

    $AllSessions
}