/**
 * Pridanie Stripe do zoznamu SF platobnych metod
 * 
 * @param array $gateway_mappings
 * @return array
 */
function pmo_modify_sf_mappings($gateway_mappings) {
    $new = array(
                'stripe' => __('Stripe', 'woocommerce')
            );

    return array_merge($gateway_mappings, $new);
}
add_filter('sf_gateway_mapping', 'pmo_modify_sf_mappings', 10, 1);

/**
 * Superfaktura - automaticke oznacenie zrealizovanej platby
 * 
 * @param boolean $is_paid 
 * @param WC_Order $order 
 * @return boolean
 */
function pmo_set_paid_invoice($is_paid, $order) {
    $payment_method = $order->get_payment_method();
    $set_as_paid = array('paypal', 'stripe');

    if ( $order->get_status() == 'processing' && in_array($payment_method, $set_as_paid) !== false ) {
        return true;
    }

    return $is_paid;
}
add_filter( 'woocommerce_sf_order_is_paid', 'pmo_set_paid_invoice', 10, 2 );