/**
* @return OrderInterface
*
* @throws \RuntimeException
*/
private function getLastOrder()
{
$customer = $this->sharedStorage->get('user')->getCustomer();
$orders = $this->orderRepository->findByCustomer($customer);
$lastOrder = end($orders);
if (false === $lastOrder) {
throw new \RuntimeException(sprintf('There is no last order for %s', $customer->getFullName()));
}
return $lastOrder;
}