/**
* {@inheritdoc}
*/
public function addLineItem(OrderInterface $cart, LineItemInterface $line_item, $combine = TRUE, $save_cart = TRUE)
{
$purchased_entity = $line_item->getPurchasedEntity();
$quantity = $line_item->getQuantity();
$matching_line_item = NULL;
if ($combine) {
$matching_line_item = $this->lineItemMatcher->match($line_item, $cart->getLineItems());
}
$needs_cart_save = FALSE;
if ($matching_line_item) {
$new_quantity = $matching_line_item->getQuantity() + $quantity;
$matching_line_item->setQuantity($new_quantity);
$matching_line_item->save();
} else {
$line_item->save();
$cart->addLineItem($line_item);
$needs_cart_save = TRUE;
}
$event = new CartEntityAddEvent($cart, $purchased_entity, $quantity, $line_item);
$this->eventDispatcher->dispatch(CartEvents::CART_ENTITY_ADD, $event);
if ($needs_cart_save && $save_cart) {
$cart->save();
}
return $line_item;
}
