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<?php
/**
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Shipping\Model\Shipping;
use Magento\Framework\App\Filesystem\DirectoryList;
use Magento\Framework\App\RequestInterface;
/**
* @SuppressWarnings(PHPMD.CouplingBetweenObjects)
*/
class LabelGenerator
{
/**
* @var \Magento\Shipping\Model\CarrierFactory
*/
protected $carrierFactory;
/**
* @var \Magento\Shipping\Model\Shipping\LabelsFactory
*/
protected $labelFactory;
/**
* @var \Magento\Framework\App\Config\ScopeConfigInterface
*/
protected $scopeConfig;
/**
* @var \Magento\Sales\Model\Order\Shipment\TrackFactory
*/
protected $trackFactory;
/**
* @var \Magento\Framework\Filesystem
*/
protected $filesystem;
/**
* @param \Magento\Shipping\Model\CarrierFactory $carrierFactory
* @param LabelsFactory $labelFactory
* @param \Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig
* @param \Magento\Sales\Model\Order\Shipment\TrackFactory $trackFactory
* @param \Magento\Framework\Filesystem $filesystem
*/
public function __construct(
\Magento\Shipping\Model\CarrierFactory $carrierFactory,
\Magento\Shipping\Model\Shipping\LabelsFactory $labelFactory,
\Magento\Framework\App\Config\ScopeConfigInterface $scopeConfig,
\Magento\Sales\Model\Order\Shipment\TrackFactory $trackFactory,
\Magento\Framework\Filesystem $filesystem
) {
$this->carrierFactory = $carrierFactory;
$this->labelFactory = $labelFactory;
$this->scopeConfig = $scopeConfig;
$this->trackFactory = $trackFactory;
$this->filesystem = $filesystem;
}
/**
* @param \Magento\Sales\Model\Order\Shipment $shipment
* @param RequestInterface $request
* @return void
* @throws \Magento\Framework\Exception\LocalizedException
*/
public function create(\Magento\Sales\Model\Order\Shipment $shipment, RequestInterface $request)
{
$order = $shipment->getOrder();
$carrier = $this->carrierFactory->create($order->getShippingMethod(true)->getCarrierCode());
if (!$carrier->isShippingLabelsAvailable()) {
throw new \Magento\Framework\Exception\LocalizedException(__('Shipping labels is not available.'));
}
$shipment->setPackages($request->getParam('packages'));
$response = $this->labelFactory->create()->requestToShipment($shipment);
if ($response->hasErrors()) {
throw new \Magento\Framework\Exception\LocalizedException(__($response->getErrors()));
}
if (!$response->hasInfo()) {
throw new \Magento\Framework\Exception\LocalizedException(__('Response info is not exist.'));
}
$labelsContent = [];
$trackingNumbers = [];
$info = $response->getInfo();
foreach ($info as $inf) {
if (!empty($inf['tracking_number']) && !empty($inf['label_content'])) {
$labelsContent[] = $inf['label_content'];
$trackingNumbers[] = $inf['tracking_number'];
}
}
$outputPdf = $this->combineLabelsPdf($labelsContent);
$shipment->setShippingLabel($outputPdf->render());
$carrierCode = $carrier->getCarrierCode();
$carrierTitle = $this->scopeConfig->getValue(
'carriers/' . $carrierCode . '/title',
\Magento\Store\Model\ScopeInterface::SCOPE_STORE,
$shipment->getStoreId()
);
if (!empty($trackingNumbers)) {
$this->addTrackingNumbersToShipment($shipment, $trackingNumbers, $carrierCode, $carrierTitle);
}
}
/**
* @param \Magento\Sales\Model\Order\Shipment $shipment
* @param array $trackingNumbers
* @param string $carrierCode
* @param string $carrierTitle
*
* @return void
*/
private function addTrackingNumbersToShipment(
\Magento\Sales\Model\Order\Shipment $shipment,
$trackingNumbers,
$carrierCode,
$carrierTitle
) {
foreach ($trackingNumbers as $number) {
if (is_array($number)) {
$this->addTrackingNumbersToShipment($shipment, $number, $carrierCode, $carrierTitle);
} else {
$shipment->addTrack(
$this->trackFactory->create()
->setNumber($number)
->setCarrierCode($carrierCode)
->setTitle($carrierTitle)
);
}
}
}
/**
* Combine array of labels as instance PDF
*
* @param array $labelsContent
* @return \Zend_Pdf
*/
public function combineLabelsPdf(array $labelsContent)
{
$outputPdf = new \Zend_Pdf();
foreach ($labelsContent as $content) {
if (stripos($content, '%PDF-') !== false) {
$pdfLabel = \Zend_Pdf::parse($content);
foreach ($pdfLabel->pages as $page) {
$outputPdf->pages[] = clone $page;
}
} else {
$page = $this->createPdfPageFromImageString($content);
if ($page) {
$outputPdf->pages[] = $page;
}
}
}
return $outputPdf;
}
/**
* Create \Zend_Pdf_Page instance with image from $imageString. Supports JPEG, PNG, GIF, WBMP, and GD2 formats.
*
* @param string $imageString
* @return \Zend_Pdf_Page|false
*/
public function createPdfPageFromImageString($imageString)
{
/** @var \Magento\Framework\Filesystem\Directory\Write $directory */
$directory = $this->filesystem->getDirectoryWrite(
DirectoryList::TMP
);
$directory->create();
$image = @imagecreatefromstring($imageString);
if (!$image) {
return false;
}
$xSize = imagesx($image);
$ySize = imagesy($image);
$page = new \Zend_Pdf_Page($xSize, $ySize);
imageinterlace($image, 0);
$tmpFileName = $directory->getAbsolutePath(
'shipping_labels_' . uniqid(\Magento\Framework\Math\Random::getRandomNumber()) . time() . '.png'
);
imagepng($image, $tmpFileName);
$pdfImage = \Zend_Pdf_Image::imageWithPath($tmpFileName);
$page->drawImage($pdfImage, 0, 0, $xSize, $ySize);
$directory->delete($directory->getRelativePath($tmpFileName));
if (is_resource($image)) {
imagedestroy($image);
}
return $page;
}
}