/**
* Calculates client's orders total value
*
* @param ClientInterface $client
*
* @return int|float
*/
protected function calculateOrdersAmountForClient(ClientInterface $client)
{
$total = 0;
$client->getOrders()->map(function (OrderInterface $order) use(&$total) {
$total += $this->convertAmount($order);
});
return $total;
}