wikimedia/mediawiki-extensions-Wikibase

<?php declare( strict_types=1 );

namespace Wikibase\Repo\RestApi\Application\Serialization;

use DataValues\DataValue;
use Wikibase\Repo\RestApi\Domain\ReadModel\PropertyValuePair;
use Wikibase\Repo\RestApi\Domain\ReadModel\Value;

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

    public function serialize( PropertyValuePair $propertyValuePair ): array {
        $serialization = [
            'property' => [
                'id' => $propertyValuePair->getProperty()->getId()->getSerialization(),
                'data_type' => $propertyValuePair->getProperty()->getDataType(),
            ],
            'value' => [
                'type' => $propertyValuePair->getValue()->getType(),
            ],
        ];

        if ( $propertyValuePair->getValue()->getType() === Value::TYPE_VALUE ) {
            // @phan-suppress-next-line PhanTypeMismatchArgumentNullable Check with ::TYPE_VALUE makes this safe
            $serialization['value']['content'] = $this->serializeValueContent( $propertyValuePair->getValue()->getContent() );
        }

        return $serialization;
    }

    /**
     * @return mixed
     */
    private function serializeValueContent( DataValue $value ) {
        $content = $value->getArrayValue();
        switch ( $value->getType() ) {
            case 'wikibase-entityid':
                return $content['id'];
            case 'time':
                foreach ( [ 'before', 'after', 'timezone' ] as $key ) {
                    unset( $content[$key] );
                }
                break;
            case 'globecoordinate':
                unset( $content['altitude'] );
                break;
        }

        return $content;
    }

}