/**
* Collect total cost of invoiced items
*
* @param \Magento\Sales\Model\Order\Invoice $invoice
* @return $this
*/
public function collect(\Magento\Sales\Model\Order\Invoice $invoice)
{
$baseInvoiceTotalCost = 0;
foreach ($invoice->getAllItems() as $item) {
if (!$item->getHasChildren()) {
$baseInvoiceTotalCost += $item->getBaseCost() * $item->getQty();
}
}
$invoice->setBaseCost($baseInvoiceTotalCost);
return $this;
}
