Your IP : 216.73.216.43
<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\MediaGalleryMetadata\Model\Jpeg\Segment;
use Magento\MediaGalleryMetadata\Model\AddIptcMetadata;
use Magento\MediaGalleryMetadata\Model\Jpeg\ReadFile;
use Magento\MediaGalleryMetadataApi\Api\Data\MetadataInterface;
use Magento\MediaGalleryMetadataApi\Model\FileInterface;
use Magento\MediaGalleryMetadataApi\Model\FileInterfaceFactory;
use Magento\MediaGalleryMetadataApi\Model\SegmentInterface;
use Magento\MediaGalleryMetadataApi\Model\SegmentInterfaceFactory;
use Magento\MediaGalleryMetadataApi\Model\WriteMetadataInterface;
/**
* Jpeg IPTC Writer
*/
class WriteIptc implements WriteMetadataInterface
{
private const IPTC_SEGMENT_NAME = 'APP13';
private const IPTC_SEGMENT_START = 'Photoshop 3.0\0x00';
private const IPTC_DATA_START_POSITION = 0;
/**
* @var SegmentInterfaceFactory
*/
private $segmentFactory;
/**
* @var FileInterfaceFactory
*/
private $fileFactory;
/**
* @var AddIPtcMetadata
*/
private $addIptcMetadata;
/**
* @var ReadFile
*/
private $fileReader;
/**
* @param FileInterfaceFactory $fileFactory
* @param SegmentInterfaceFactory $segmentFactory
* @param AddIptcMetadata $addIptcMetadata
* @param ReadFile $fileReader
*/
public function __construct(
FileInterfaceFactory $fileFactory,
SegmentInterfaceFactory $segmentFactory,
AddIptcMetadata $addIptcMetadata,
ReadFile $fileReader
) {
$this->fileFactory = $fileFactory;
$this->segmentFactory = $segmentFactory;
$this->addIptcMetadata = $addIptcMetadata;
$this->fileReader = $fileReader;
}
/**
* Add metadata to the file
*
* @param FileInterface $file
* @param MetadataInterface $metadata
* @return FileInterface
*/
public function execute(FileInterface $file, MetadataInterface $metadata): FileInterface
{
$segments = $file->getSegments();
$iptcSegments = [];
foreach ($segments as $key => $segment) {
if ($this->isIptcSegment($segment)) {
$iptcSegments[$key] = $segment;
}
}
foreach ($iptcSegments as $segment) {
return $this->addIptcMetadata->execute($file, $metadata, $segment);
}
return $this->addIptcMetadata->execute($file, $metadata, null);
}
/**
* Check if segment contains IPTC data
*
* @param SegmentInterface $segment
* @return bool
*/
private function isIptcSegment(SegmentInterface $segment): bool
{
return $segment->getName() === self::IPTC_SEGMENT_NAME
&& strncmp($segment->getData(), self::IPTC_SEGMENT_START, self::IPTC_DATA_START_POSITION) == 0;
}
}