/**
* Gets the index of the given line item.
*
* @param \Drupal\commerce_order\Entity\LineItemInterface $line_item
* The line item.
*
* @return int|bool
* The index of the given line item, or FALSE if not found.
*/
protected function getLineItemIndex(LineItemInterface $line_item)
{
$values = $this->get('line_items')->getValue();
$line_item_ids = array_map(function ($value) {
return $value['target_id'];
}, $values);
return array_search($line_item->id(), $line_item_ids);
}
/**
* {@inheritdoc}
*/
public function updateLineItem(OrderInterface $cart, LineItemInterface $line_item)
{
/** @var \Drupal\commerce_order\Entity\LineItemInterface $original_line_item */
$original_line_item = $this->lineItemStorage->loadUnchanged($line_item->id());
$line_item->save();
$event = new CartLineItemUpdateEvent($cart, $line_item, $original_line_item);
$this->eventDispatcher->dispatch(CartEvents::CART_LINE_ITEM_UPDATE, $event);
}
