wikimedia/mediawiki-extensions-Wikibase

<?php

namespace Wikibase\DataModel\Deserializers;

use Deserializers\Deserializer;
use Deserializers\Exceptions\DeserializationException;
use Wikibase\DataModel\Statement\Statement;
use Wikibase\DataModel\Statement\StatementList;

/**
 * Package private
 *
 * @license GPL-2.0-or-later
 * @author Bene* < benestar.wikimedia@gmail.com >
 * @author Addshore
 */
class StatementListDeserializer implements Deserializer {

    /**
     * @var Deserializer
     */
    private $statementDeserializer;

    public function __construct( Deserializer $statementDeserializer ) {
        $this->statementDeserializer = $statementDeserializer;
    }

    /**
     * @see Deserializer::deserialize
     *
     * @param array[] $serialization
     *
     * @throws DeserializationException
     * @return StatementList
     */
    public function deserialize( $serialization ) {
        if ( !is_array( $serialization ) ) {
            throw new DeserializationException( 'The StatementList serialization should be an array' );
        }

        return $this->getDeserialized( $serialization );
    }

    /**
     * @param array[] $serialization
     *
     * @return StatementList
     */
    private function getDeserialized( array $serialization ) {
        $statementList = new StatementList();

        foreach ( $serialization as $key => $statementArray ) {
            if ( is_string( $key ) ) {
                if ( !is_array( $statementArray ) ) {
                    throw new DeserializationException(
                        "The statements per property \"$key\" should be an array"
                    );
                }

                foreach ( $statementArray as $statementSerialization ) {
                    /** @var Statement $statement */
                    $statement = $this->statementDeserializer->deserialize( $statementSerialization );
                    $statementList->addStatement( $statement );
                }
            } else {
                /** @var Statement $statement */
                $statement = $this->statementDeserializer->deserialize( $statementArray );
                $statementList->addStatement( $statement );
            }
        }

        return $statementList;
    }

}