/**
* Export the record
*
* @return mixed
*/
public function exportAction()
{
$driver = $this->loadRecord();
$view = $this->createViewModel();
$format = $this->params()->fromQuery('style');
// Display export menu if missing/invalid option
if (empty($format) || !$driver->supportsExport($format)) {
if (!empty($format)) {
$this->flashMessenger()->setNamespace('error')->addMessage('export_invalid_format');
}
$view->setTemplate('record/export-menu');
return $view;
}
// If this is an export format that redirects to an external site, perform
// the redirect now (unless we're being called back from that service!):
if (Export::needsRedirect($format) && !$this->params()->fromQuery('callback')) {
// Build callback URL:
$parts = explode('?', $this->getServerUrl(true));
$callback = $parts[0] . '?callback=1&style=' . urlencode($format);
return $this->redirect()->toUrl(Export::getRedirectUrl($format, $callback));
}
// Send appropriate HTTP headers for requested format:
$response = $this->getResponse();
$response->getHeaders()->addHeaders(Export::getHeaders($format));
// Actually export the record
$recordHelper = $this->getViewRenderer()->plugin('record');
$response->setContent($recordHelper($driver)->getExport($format));
return $response;
}