How to cancel the last order on an unsuccessfull payment?

dmitry_fedyuk · May 5, 2016, 6:38am

Context: How to cancel the last order and restore the last quote on an unsuccessfull payment?

An example:

magento/magento2/blob/981d1f/app/code/Magento/Paypal/Helper/Checkout.php#L29-L43


/**
 * Cancel last placed order with specified comment message
 *
 * @param string $comment Comment appended to order history
 * @return bool True if order cancelled, false otherwise
 */
public function cancelCurrentOrder($comment)
{
    $order = $this->session->getLastRealOrder();
    if ($order->getId() && $order->getState() != Order::STATE_CANCELED) {
        $order->registerCancellation($comment)->save();
        return true;
    }
    return false;
}

Details: