Issue #3354174: Add ability to apply custom logic for order item cloning and availability checking.

src/Controller/CommerceRepeatOrder.php

@@ -2,6 +2,9 @@
 
 namespace Drupal\commerce_repeat_order\Controller;
 
+use Drupal\commerce_repeat_order\Event\OrderItemAvailabilityEvent;
+use Drupal\commerce_repeat_order\Event\OrderItemCloneEvent;
+use Drupal\commerce_repeat_order\Event\CommerceOrderRepeatEvents;
 use Drupal\Core\Controller\ControllerBase;
 use Drupal\commerce_cart\CartManager;
 use Drupal\commerce_cart\CartProvider;
@@ -75,10 +78,10 @@ class CommerceRepeatOrder extends ControllerBase {
    */
   public static function create(ContainerInterface $container) {
     return new static(
-        $container->get('commerce_cart.cart_manager'),
-        $container->get('commerce_cart.cart_provider'),
-        $container->get('messenger'),
-        $container->get('event_dispatcher')
+      $container->get('commerce_cart.cart_manager'),
+      $container->get('commerce_cart.cart_provider'),
+      $container->get('messenger'),
+      $container->get('event_dispatcher')
     );
   }
 
@@ -112,12 +115,16 @@ class CommerceRepeatOrder extends ControllerBase {
         /** @var \Drupal\commerce_product\Entity\ProductVariationInterface $variation */
         $variation = $order_item->getPurchasedEntity();
         $product = $variation ? $variation->getProduct() : NULL;
-        if ($product && $product->isPublished()) {
+
+        $availability_event = new OrderItemAvailabilityEvent($order_item);
+        $this->dispatcher->dispatch($availability_event, CommerceOrderRepeatEvents::ORDER_ITEM_AVAILABILITY_EVENT);
+        if ($product && $product->isPublished() && $availability_event->isAvailable()) {
           /** @var \Drupal\commerce_order\Entity\OrderItemInterface $order_item_new */
           $order_item_new = $order_item->createDuplicate();
           $order_item_new->enforceIsNew();
           $order_item_new->id = NULL;
           $order_item_new->order_item_id = NULL;
+          $this->dispatcher->dispatch(new OrderItemCloneEvent($order_item, $order_item_new), CommerceOrderRepeatEvents::ORDER_ITEM_CLONE_EVENT);
           $order_item_new->save();
 
           // Adding order item in cart.