wikimedia/mediawiki-extensions-Wikibase

<?php declare( strict_types=1 );

namespace Wikibase\Repo\RestApi\Domain\ReadModel;

use InvalidArgumentException;
use Wikibase\DataModel\Statement\Statement as StatementWriteModel;

/**
 * @license GPL-2.0-or-later
 */
class Rank {

    private const RANKS = [
        StatementWriteModel::RANK_DEPRECATED,
        StatementWriteModel::RANK_NORMAL,
        StatementWriteModel::RANK_PREFERRED,
    ];
    private int $rank;

    public function __construct( int $rank ) {
        if ( !in_array( $rank, self::RANKS, true ) ) {
            throw new InvalidArgumentException( 'Invalid rank specified for statement: ' . var_export( $rank, true ) );
        }
        $this->rank = $rank;
    }

    public static function deprecated(): self {
        return new self( StatementWriteModel::RANK_DEPRECATED );
    }

    public static function normal(): self {
        return new self( StatementWriteModel::RANK_NORMAL );
    }

    public static function preferred(): self {
        return new self( StatementWriteModel::RANK_PREFERRED );
    }

    public function asInt(): int {
        return $this->rank;
    }

}