/**
* Print label for one specific shipment
*
* @return ResponseInterface|void
*/
public function execute()
{
try {
$this->shipmentLoader->setOrderId($this->getRequest()->getParam('order_id'));
$this->shipmentLoader->setShipmentId($this->getRequest()->getParam('shipment_id'));
$this->shipmentLoader->setShipment($this->getRequest()->getParam('shipment'));
$this->shipmentLoader->setTracking($this->getRequest()->getParam('tracking'));
$shipment = $this->shipmentLoader->load();
$labelContent = $shipment->getShippingLabel();
if ($labelContent) {
$pdfContent = null;
if (stripos($labelContent, '%PDF-') !== false) {
$pdfContent = $labelContent;
} else {
$pdf = new \Zend_Pdf();
$page = $this->labelGenerator->createPdfPageFromImageString($labelContent);
if (!$page) {
$this->messageManager->addError(__('We don\'t recognize or support the file extension in this shipment: %1.', $shipment->getIncrementId()));
}
$pdf->pages[] = $page;
$pdfContent = $pdf->render();
}
return $this->_fileFactory->create('ShippingLabel(' . $shipment->getIncrementId() . ').pdf', $pdfContent, DirectoryList::VAR_DIR, 'application/pdf');
}
} catch (\Magento\Framework\Exception\LocalizedException $e) {
$this->messageManager->addError($e->getMessage());
} catch (\Exception $e) {
$this->_objectManager->get('Psr\\Log\\LoggerInterface')->critical($e);
$this->messageManager->addError(__('An error occurred while creating shipping label.'));
}
$this->_redirect('adminhtml/order_shipment/view', ['shipment_id' => $this->getRequest()->getParam('shipment_id')]);
}
