public static function GenerateCreditNote($clientid, $invoice, $items, $description)
{
$client = Client::GetClient($clientid);
$description = 'Credit Note (Inv: ' . $invoice . ') - ' . $description;
$credit = 0.0;
foreach ($items as $item) {
$invline = SalesInvoiceLine::GetLineItem($item[0]);
$lamt = $item[1] * $invline->unitPrice;
$credit += $lamt + $lamt * $invline->tax / 100;
}
$inv = SalesInvoice::GetInvoice($invoice);
if ($inv->total->amount < $inv->credit->amount + $credit) {
return false;
}
$crnote = CreditNote::CreateCreditNote($client, $invoice, $items, $description);
if ($crnote->generate()) {
return new SalesTX($crnote, 'Credit Note');
} else {
Logger::Log('SalesTX', 'Failed', 'Credit Note transaction with id:' . $crnote->id . ' and tx id:' . $this->transactionId . ' could not be completed');
return false;
}
}