echo json_encode($employerModel->getBillingContact($_GET['id']));
exit;
} elseif ($_GET['page'] === "download-invoice" || $_GET['page'] === "preview-invoice") {
$result = $model->getInvoice($_GET['id']);
$row = $result[0];
if ($row['issued']) {
// get latest invoice
$issued_invoices = $model->getIssuedInvoices($row['id']);
$latest_invoice = $issued_invoices[0];
$mpdf = new \mPDF();
$mpdf->WriteHTML($latest_invoice['file_contents']);
$outputTag = $_GET['page'] === "preview-invoice" ? 'I' : 'D';
$mpdf->Output($latest_invoice['file_name'], $outputTag);
exit;
}
$requestedINV = $model->calculateInvoice($row);
$year = date('Y', strtotime($row['event_start_date']));
$month = date('n', strtotime($row['event_start_date']));
$month >= 1 && $month <= 4 ? $year-- : '';
$startyear = $year;
$endyear = $year + 1;
$fileName = "SCS{$startyear}/{$endyear}-{$row['employer_id']}{$row['event_id']}.pdf";
ob_start();
require "./includes/php/invoice_template.php";
$template = ob_get_contents();
ob_end_clean();
$mpdf = new \mPDF();
$mpdf->WriteHTML($template);
$outputTag = $_GET['page'] === "preview-invoice" ? 'I' : 'D';
$mpdf->Output($fileName, $outputTag);
} elseif ($_GET['page'] === "issue-invoice") {
