GcContent\Controller\DocumentController::sortOrderAction PHP Method

    public function sortOrderAction()
    {
        $order = $this->getRequest()->getPost()->get('order');
        $list = explode(',', str_replace('document_', '', $order));
        foreach ($list as $order => $documentId) {
            $documentModel = DocumentModel::fromId($documentId);
            if (!empty($documentModel)) {
                $documentModel->setSortOrder($order);
                $documentModel->save();
            }
        }
        return $this->returnJson(array('success' => true));
    }