public function getFileList($order = 'desc')
    {
        $order = strtolower(trim($order));
        // Order Files by date newer to older
        $this->items->sortMultiDimension(function ($a, $b) use ($order) {
            if ($a == $b) {
                return 0;
            }
            if ($order === 'asc') {
                return ($a < $b) ? -1 : 1;
            }

            return ($a > $b) ? -1 : 1;
        });

        return $this->items->all();
    }