StringTransformation.php

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<?php

declare(strict_types=1);

namespace ILIAS\Refinery\URI;

use ILIAS\Data\URI;
use ILIAS\Refinery\ConstraintViolationException;
use ILIAS\Refinery\DeriveApplyToFromTransform;
use ILIAS\Refinery\Transformation;
use ILIAS\Refinery\DeriveInvokeFromTransform;

class StringTransformation implements Transformation
{
    use DeriveApplyToFromTransform;
    use DeriveInvokeFromTransform;

    public function transform($from): string
    {
        if (false === $from instanceof URI) {
            throw new ConstraintViolationException(
                sprintf('The value MUST be of type "%s"', URI::class),
                'not_uri_object'
            );
        }

        $result = $from->getBaseURI();

        $query = $from->getQuery();
        if (null !== $query) {
            $query = '?' . $query;
        }
        $result .= $query;

        $fragment = $from->getFragment();
        if (null !== $fragment) {
            $fragment = '#' . $fragment;
        }
        $result .= $fragment;

        return $result;
    }
}