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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\MediaGalleryMetadata\Model\File;
use Magento\MediaGalleryMetadataApi\Api\Data\MetadataInterface;
use Magento\MediaGalleryMetadataApi\Api\Data\MetadataInterfaceFactory;
use Magento\MediaGalleryMetadataApi\Api\ExtractMetadataInterface;
use Magento\MediaGalleryMetadataApi\Model\FileInterface;
use Magento\MediaGalleryMetadataApi\Model\FileInterfaceFactory;
use Magento\MediaGalleryMetadataApi\Model\ReadFileInterface;
use Magento\MediaGalleryMetadataApi\Model\ReadMetadataInterface;
/**
* Extract Metadata from asset file by given extractors
*/
class ExtractMetadata implements ExtractMetadataInterface
{
/**
* @var MetadataInterfaceFactory
*/
private $metadataFactory;
/**
* @var array
*/
private $segmentReaders;
/**
* @var ReadFileInterface
*/
private $fileReader;
/**
* @var FileInterfaceFactory
*/
private $fileFactory;
/**
* @param FileInterfaceFactory $fileFactory
* @param MetadataInterfaceFactory $metadataFactory
* @param ReadFileInterface $fileReader
* @param array $segmentReaders
*/
public function __construct(
FileInterfaceFactory $fileFactory,
MetadataInterfaceFactory $metadataFactory,
ReadFileInterface $fileReader,
array $segmentReaders
) {
$this->fileFactory = $fileFactory;
$this->metadataFactory = $metadataFactory;
$this->fileReader = $fileReader;
$this->segmentReaders = $segmentReaders;
}
/**
* @inheritdoc
*/
public function execute(string $path): MetadataInterface
{
try {
return $this->readSegments($this->fileReader->execute($path));
} catch (\Exception $exception) {
return $this->metadataFactory->create();
}
}
/**
* Read file segments by given segmentReader
*
* @param FileInterface $file
*/
private function readSegments(FileInterface $file): MetadataInterface
{
$title = null;
$description = null;
$keywords = [];
foreach ($this->segmentReaders as $segmentReader) {
if (!$segmentReader instanceof ReadMetadataInterface) {
throw new \InvalidArgumentException(
__(get_class($segmentReader) . ' must implement ' . ReadMetadataInterface::class)
);
}
try {
$data = $segmentReader->execute($file);
} catch (\Exception $exception) {
continue;
}
$title = !empty($data->getTitle()) ? $data->getTitle() : $title;
$description = !empty($data->getDescription()) ? $data->getDescription() : $description;
if (!empty($data->getKeywords())) {
foreach ($data->getKeywords() as $keyword) {
$keywords[] = $keyword;
}
}
}
return $this->metadataFactory->create([
'title' => $title,
'description' => $description,
'keywords' => empty($keywords) ? null : array_unique($keywords)
]);
}
}