DenormalizingProcessor.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\TestQuestionPool\ExportImport\Foundation\Normalize\Processors;
 
use ILIAS\TestQuestionPool\ExportImport\Foundation\Normalize\FromNormalized;
use ILIAS\TestQuestionPool\ExportImport\Foundation\Normalize\NormalizingException;
use ILIAS\TestQuestionPool\ExportImport\Foundation\Normalize\Normalizer\Registry;
use ILIAS\TestQuestionPool\ExportImport\Foundation\Queue\Processor;
 
final class DenormalizingProcessor implements Processor
{
    public function __construct(
        private readonly Registry $registry,
        private readonly ?string $legacy_version
    ) {
    }
 
    public function process(object $carry): void
    {
        if (!($carry instanceof DenormalizeCarry)) {
            return;
        }
 
        if ($carry->normalized() === null) {
            $carry->setResult(null);
            return;
        }
 
        if (is_string($carry->expected())) {
            $normalizer = $this->registry->forDenormalization(
                $carry->expected(),
                $this->legacy_version
            );
            if ($normalizer !== null) {
                $carry->setResult(
                    $normalizer->denormalize($carry->normalized(), $carry->expected())
                );
                return;
            }
        }
 
        if ($carry->expected() instanceof FromNormalized) {
            if (!is_array($carry->normalized())) {
                throw new NormalizingException(
                    'Expected normalized array, got ' . get_debug_type($carry->normalized())
                );
            }
            $carry->setResult($carry->expected()->fromNormalized(
                $carry->normalized(),
                $carry->transformations()
            ));
        }
    }
}