After Payment is accepted, I need to update the order status to "Completed" from the page controller.

How do I do this, on Drupal 8?

I find no documentation about this; there is an example for Drupal 7.

// Updating Order status.
$orderObj = commerce_order_load($orderID);
commerce_order_status_update($orderObj, 'canceled', TRUE, 'Order Voided');
$orderObj->log = 'Order cancelled programatically';

You want to use the State Machine methods of the Commerce Order class.

It would be something like this, but it will depend on what you called your order states.

$order_state = $orderObj->getState();
$order_state_transitions = $order_state->getTransitions();


If you aren't sure, you can always check the $order_state_transitions array to see what options you have.

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  • I think the state that needs to be set (default setup) is "placed"; also, i think you are missing a line where you need to assign the $order_state back to the Order before saving it. – liquidcms Mar 27 at 20:52
  • No, you don't. Setting the state yourself would go against the pattern. You are welcome to post your own answer. – Chance G Apr 2 at 21:55
  • Yes, my idea was wrong. I posted a similar question (and answered it) here: drupal.stackexchange.com/questions/292291/… – liquidcms Apr 3 at 6:00

I think you are looking to "place" the order. You need to subscribe to the Event handler for this event: commerce_order.order.paid

and with this handler code:

  public function paymentCompletedHandler($event) {
    $order = $event->getOrder();
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You can simply use set method.

$order->set('state', 'completed');
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  • 1
    this will bypass state transitions and break commerce_stock, potentially skip notifications, and other modules that hook into state transitions – Francis Yaconiello Feb 4 at 16:27

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