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CommerceEventSubscriber.php
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CommerceEventSubscriber.php
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<?php
namespace Drupal\commerce_checkout_direct\EventSubscriber;
use Drupal\commerce_cart\Event\CartEntityAddEvent;
use Drupal\commerce_cart\Event\CartEvents;
use Drupal\Core\Url;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;
/**
* Class CommerceEventSubscriber.
*
* @package Drupal\commerce_checkout_direct\EventSubscriber
*/
class CommerceEventSubscriber implements EventSubscriberInterface {
/**
* Sets quantity to 1, and sends to checkout process.
*
* @param \Drupal\commerce_cart\Event\CartEntityAddEvent $event
*/
public function onProductAdded(CartEntityAddEvent $event) {
$cart = $event->getCart();
// Only act if we are on a checkout direct order type.
if ($cart->bundle() == 'checkout_direct') {
// We only want 1 quantity.
$item_added_sku = $event->getEntity()->getSku();
$cart_items = $cart->getItems();
foreach ($cart_items as $cart_item) {
$item_sku = $cart_item->getPurchasedEntity()->getSku();
if ($item_sku != $item_added_sku) {
$cart->removeItem($cart_item);
}
}
$quantity = $cart_items[0]->getQuantity();
if ($quantity > 1) {
$cart_items[0]->setQuantity(1);
$cart->save();
}
\Drupal::requestStack()
->getCurrentRequest()->attributes->set('commerce_checkout_direct_redirect_url', Url::fromRoute('commerce_checkout.form', [
'commerce_order' => $event->getCart()->id(),
])->toString());
}
}
/**
* Checks if a redirect rules action was executed.
*
* Redirects to the provided url if there is one.
*
* @param \Symfony\Component\HttpKernel\Event\FilterResponseEvent $event
* The response event.
*/
public function checkRedirectIssued(FilterResponseEvent $event) {
$request = $event->getRequest();
$redirect_url = $request->attributes->get('commerce_checkout_direct_redirect_url');
if (isset($redirect_url)) {
$event->setResponse(new RedirectResponse($redirect_url));
}
}
/**
*
*/
public static function getSubscribedEvents() {
$events = [
CartEvents::CART_ENTITY_ADD => ['onProductAdded', 1000],
KernelEvents::RESPONSE => ['checkRedirectIssued', -10],
];
return $events;
}
}