NormalizingProcessor.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\TestQuestionPool\ExportImport\Foundation\Normalize\Processors;
 
use ILIAS\TestQuestionPool\ExportImport\Foundation\Normalize\ToNormalized;
use ILIAS\TestQuestionPool\ExportImport\Foundation\Normalize\Normalizer\Registry;
use ILIAS\TestQuestionPool\ExportImport\Foundation\Queue\Processor;
 
final class NormalizingProcessor implements Processor
{
    public function __construct(
        private readonly Registry $registry
    ) {
    }
 
    public function process(object $carry): void
    {
        if (!($carry instanceof NormalizeCarry)) {
            return;
        }
 
        if ($carry->value() === null || is_scalar($carry->value())) {
            $carry->setResult($carry->value());
            return;
        }
 
        if ($carry->value() instanceof ToNormalized) {
            $carry->setResult($carry->value()->toNormalized(
                $carry->transformations(),
                $carry->context()
            ));
            return;
        }
 
        $normalizer = $this->registry->forNormalization(get_class($carry->value()));
        if ($normalizer !== null) {
            $carry->setResult($normalizer->normalize($carry->value()));
        }
    }
}