InvoiceSubscriber.php in Commerce Invoice 8.2

Namespace

Drupal\commerce_invoice\EventSubscriber

File

src/EventSubscriber/InvoiceSubscriber.php

<?php

namespace Drupal\commerce_invoice\EventSubscriber;

use Drupal\state_machine\Event\WorkflowTransitionEvent;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
class InvoiceSubscriber implements EventSubscriberInterface {

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events = [
      'commerce_invoice.pay.pre_transition' => [
        'onPayPreTransition',
      ],
      'commerce_invoice.pay.post_transition' => [
        'onPayPostTransition',
      ],
    ];
    return $events;
  }

  /**
   * Sets the total_paid field when an invoice is paid.
   *
   * @param \Drupal\state_machine\Event\WorkflowTransitionEvent $event
   *   The transition event.
   */
  public function onPayPreTransition(WorkflowTransitionEvent $event) {

    /** @var \Drupal\commerce_invoice\Entity\InvoiceInterface $invoice */
    $invoice = $event
      ->getEntity();
    if (!$invoice
      ->isPaid()) {
      $invoice
        ->setTotalPaid($invoice
        ->getTotalPrice());
    }
  }

  /**
   * Mark the orders as paid when an invoice is paid.
   *
   * @param \Drupal\state_machine\Event\WorkflowTransitionEvent $event
   *   The transition event.
   */
  public function onPayPostTransition(WorkflowTransitionEvent $event) {

    /** @var \Drupal\commerce_invoice\Entity\InvoiceInterface $invoice */
    $invoice = $event
      ->getEntity();

    // When an invoice is paid, we need to mark the referenced orders as paid.
    foreach ($invoice
      ->getOrders() as $order) {
      if ($order
        ->isPaid()) {
        continue;
      }
      $order
        ->setTotalPaid($order
        ->getTotalPrice());
      $order
        ->save();
    }
  }

}

Classes

Name	Description
InvoiceSubscriber