wikimedia/mediawiki-extensions-Wikibase

<?php

declare( strict_types=1 );
namespace Wikibase\Lib\Store\Sql\Terms;

use Wikibase\Lib\Rdbms\RepoDomainDb;

/**
 * @license GPL-2.0-or-later
 */
class DatabaseUsageCheckingTermStoreCleaner implements TermStoreCleaner {

    /** @see FindUnusedTermTrait::findActuallyUnusedTermInLangIds */
    use FindUnusedTermTrait;

    /**
     * @var DatabaseInnerTermStoreCleaner
     */
    private $innerCleaner;

    /**
     * @var RepoDomainDb
     */
    private $repoDomainDb;

    public function __construct( RepoDomainDb $repoDomainDb, DatabaseInnerTermStoreCleaner $innerCleaner ) {
        $this->repoDomainDb = $repoDomainDb;
        $this->innerCleaner = $innerCleaner;
    }

    /**
     * Checks the provided TermInLangIds for existence and usage in either
     * on both Items and Properties.
     *
     * Those that do actually exist and are unused are passed to an inner cleaner.
     *
     * These steps are all wrapped in a transaction.
     *
     * @param array $termInLangIds
     */
    public function cleanTermInLangIds( array $termInLangIds ): void {

        $dbw = $this->repoDomainDb->connections()->getWriteConnection();
        $dbr = $this->repoDomainDb->connections()->getReadConnection();

        $dbw->startAtomic( __METHOD__ );
        $unusedTermInLangIds = $this->findActuallyUnusedTermInLangIds( $termInLangIds, $dbw );
        $this->innerCleaner->cleanTermInLangIds( $dbw, $dbr, $unusedTermInLangIds );
        $dbw->endAtomic( __METHOD__ );
    }
}