public function getvolumes($data = null)
{
$date = new Date('last ' . Input::get('date'));
$volumes = Media::join($this->tables['pool'], $this->tables['media'] . '.poolid', '=', $this->tables['pool'] . '.poolid')->where('lastwritten', '>=', (string) $date)->select(array('volumename', 'slot', 'volbytes', 'mediatype', $this->tables['pool'] . '.name', 'lastwritten', 'volstatus'));
return Datatables::of($volumes)->make();
}