UploadContentElementUpdate.php

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<?php
namespace TYPO3\CMS\Install\Updates;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Utility\GeneralUtility;

class UploadContentElementUpdate extends AbstractUpdate
{
    protected $title = '[Optional] Migrate upload content element rendering from layout to uploads_type';

    public function checkForUpdate(&$description)
    {
        if ($this->isWizardDone()) {
            return false;
        }
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('tt_content');
        $queryBuilder->getRestrictions()->removeAll();
        $elementCount = $queryBuilder->count('uid')
            ->from('tt_content')
            ->where(
                $queryBuilder->expr()->eq('CType', $queryBuilder->createNamedParameter('uploads', \PDO::PARAM_STR)),
                $queryBuilder->expr()->in('layout', [1, 2])
            )
            ->execute()->fetchColumn(0);
        if ($elementCount) {
            $description = 'Rendering type field has been streamlined with fluid_styled_content.';
        }
        return (bool)$elementCount;
    }

    public function performUpdate(array &$databaseQueries, &$customMessage)
    {
        $connection = GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable('tt_content');
        $queryBuilder = $connection->createQueryBuilder();
        $queryBuilder->getRestrictions()->removeAll();
        $statement = $queryBuilder->select('uid', 'layout')
            ->from('tt_content')
            ->where(
                $queryBuilder->expr()->eq('CType', $queryBuilder->createNamedParameter('uploads', \PDO::PARAM_STR)),
                $queryBuilder->expr()->in('layout', [1, 2])
            )
            ->execute();
        while ($record = $statement->fetch()) {
            $queryBuilder = $connection->createQueryBuilder();
            $queryBuilder->update('tt_content')
                ->where(
                    $queryBuilder->expr()->eq(
                        'uid',
                        $queryBuilder->createNamedParameter($record['uid'], \PDO::PARAM_INT)
                    )
                )
                ->set('layout', 0, false)
                ->set('uploads_type', $record['layout']);
            $databaseQueries[] = $queryBuilder->getSQL();
            $queryBuilder->execute();
        }
        $this->markWizardAsDone();
        return true;
    }
}