wikimedia/mediawiki-core

<?php
/**
 * Fix the user_registration field.
 * In particular, for values which are NULL, set them to the date of the first edit
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 * http://www.gnu.org/copyleft/gpl.html
 *
 * @file
 * @ingroup Maintenance
 */

use MediaWiki\User\User;

// @codeCoverageIgnoreStart
require_once __DIR__ . '/Maintenance.php';
// @codeCoverageIgnoreEnd

/**
 * Maintenance script that fixes the user_registration field.
 *
 * @ingroup Maintenance
 */
class FixUserRegistration extends Maintenance {
    public function __construct() {
        parent::__construct();
        $this->addDescription( 'Fix the user_registration field' );
        $this->setBatchSize( 1000 );
    }

    public function execute() {
        $dbw = $this->getPrimaryDB();

        $lastId = 0;
        do {
            // Get user IDs which need fixing
            $res = $dbw->newSelectQueryBuilder()
                ->select( 'user_id' )
                ->from( 'user' )
                ->where( [ $dbw->expr( 'user_id', '>', $lastId ), 'user_registration' => null ] )
                ->orderBy( 'user_id' )
                ->limit( $this->getBatchSize() )
                ->caller( __METHOD__ )->fetchResultSet();

            foreach ( $res as $row ) {
                $id = $row->user_id;
                $lastId = $id;

                // Get first edit time
                $actorStore = $this->getServiceContainer()->getActorStore();
                $userIdentity = $actorStore->getUserIdentityByUserId( $id );
                if ( !$userIdentity ) {
                    continue;
                }

                $timestamp = $dbw->newSelectQueryBuilder()
                    ->select( 'MIN(rev_timestamp)' )
                    ->from( 'revision' )
                    ->where( [ 'rev_actor' => $userIdentity->getId() ] )
                    ->caller( __METHOD__ )->fetchField();

                // Update
                if ( $timestamp !== null ) {
                    $dbw->newUpdateQueryBuilder()
                        ->update( 'user' )
                        ->set( [ 'user_registration' => $timestamp ] )
                        ->where( [ 'user_id' => $id ] )
                        ->caller( __METHOD__ )->execute();

                    $user = User::newFromId( $id );
                    $user->invalidateCache();
                    $this->output( "Set registration for #$id to $timestamp\n" );
                } else {
                    $this->output( "Could not find registration for #$id NULL\n" );
                }
            }
            $this->output( "Waiting for replica DBs..." );
            $this->waitForReplication();
            $this->output( " done.\n" );
        } while ( $res->numRows() >= $this->getBatchSize() );
    }
}

// @codeCoverageIgnoreStart
$maintClass = FixUserRegistration::class;
require_once RUN_MAINTENANCE_IF_MAIN;
// @codeCoverageIgnoreEnd