/**
* {@inheritdoc}
*/
public function process(OrderInterface $order)
{
if ($order->isEmpty()) {
$order->removeShipments();
return;
}
$shipment = $this->getOrderShipment($order);
if (null === $shipment) {
return;
}
foreach ($order->getItemUnits() as $itemUnit) {
if (null === $itemUnit->getShipment()) {
$shipment->addUnit($itemUnit);
}
}
}