function add_invoice_ship_position($invoice, $order_summary)
{
    global $db;
    if (!empty($order_summary['shipping_method']) && $order_summary['shipping_method'] != '') {
        $query = $db->query("SELECT * FROM `" . DB_PREFIX . "order_total` WHERE order_id = " . mySQLSafe($order_summary['order_id']) . " AND title LIKE '" . $order_summary['shipping_method'] . "_'");
        $val = $query->row['value'];
        $total_ship = round(floatval($val) * 123 / 100, 2);
        //$total_ship = round($val,2);
        $invoice_position = new PozycjaFaktury(0.23, 1, $total_ship, $order_summary['shipping_method'], 'usl.', 'PRC');
        $invoice->dodajPozycjeFaktury($invoice_position);
    }
}
function get_order_details($cart_order_id)
{
    $sql = tep_db_query("SELECT * FROM orders_products WHERE orders_id=" . mySQLSafe($cart_order_id));
    while ($row = tep_db_fetch_array($sql)) {
        $order_details[] = $row;
    }
    return $order_details;
    //return $sql;
}
function get_customer_invoice_address($id)
{
    $sql = "SELECT * FROM " . _DB_PREFIX_ . "address WHERE id_address=" . mySQLSafe($id);
    $res = DB::getInstance()->ExecuteS($sql);
    return $res[0];
}