function setquantities()
{
$app = JFactory::getApplication();
$product_id = $app->input->getInt('product_id');
$model = $this->getModel('productquantities');
$model->setState('filter_productid', $product_id);
$items = $model->getAll();
$row = J2StoreItem::getArticle($product_id);
J2StoreItem::doProductQuantitiesReconciliation($row->id);
$ns = 'com_j2store.productquantities.setquantities';
$filter_order = $app->getUserStateFromRequest($ns . 'filter_order', 'filter_order', 'tbl.productquantity_id', 'cmd');
$filter_order_Dir = $app->getUserStateFromRequest($ns . 'filter_order_Dir', 'filter_order_Dir', '', 'word');
// table ordering
$model->setState('direction', $filter_order_Dir);
$model->setState('order', $filter_order);
$view = $this->getView('productquantities', 'html');
$view->set('_controller', 'products');
$view->set('_view', 'productquantities');
$view->set('_action', "index.php?option=com_j2store&view=products&task=setquantities&product_id={$row->id}&tmpl=component");
$view->setModel($model, true);
$view->assign('state', $model->getState());
$view->assign('row', $row);
$view->assign('items', $model->getList());
$view->setLayout('setquantities');
$view->display();
}
