public function saveCreditInvoice(Document\CreditInvoice $invoice, Parameters $data)
{
if ($data !== null) {
$invoice->setAmount($data->amount);
$invoice->setTaxAmount($data->taxAmount);
$invoice->setAmountTax($data->amountTax);
$invoice->setDocumentNumber($this->generateInvoiceNo($invoice->getOpencart()));
$invoice->setConfirmed(true);
$invoice->setStatus(Document\CreditInvoice::STATUS_CONFIRMED);
}
$this->isCredited($invoice->getInvoice());
$invoice = $this->saveObject($invoice);
$this->saveInvoiceFile($invoice);
return $invoice;
}
