StartTimeRestriction.php

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<?php
declare(strict_types = 1);
namespace TYPO3\CMS\Core\Database\Query\Restriction;

/*
 * 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\Query\Expression\CompositeExpression;
use TYPO3\CMS\Core\Database\Query\Expression\ExpressionBuilder;

class StartTimeRestriction implements QueryRestrictionInterface
{
    public function __construct(int $accessTimeStamp = null)
    {
        $this->accessTimeStamp = $accessTimeStamp ?: ($GLOBALS['SIM_ACCESS_TIME'] ?? null);
    }

    protected $accessTimeStamp;

    public function buildExpression(array $queriedTables, ExpressionBuilder $expressionBuilder): CompositeExpression
    {
        $constraints = [];
        foreach ($queriedTables as $tableAlias => $tableName) {
            $startTimeFieldName = $GLOBALS['TCA'][$tableName]['ctrl']['enablecolumns']['starttime'] ?? null;
            if (!empty($startTimeFieldName)) {
                if (empty($this->accessTimeStamp)) {
                    throw new \RuntimeException(
                        'accessTimeStamp needs to be set to an integer value, but is empty! Maybe $GLOBALS[\'SIM_ACCESS_TIME\'] has been overridden somewhere?',
                        1462820645
                    );
                }
                $constraints[] = $expressionBuilder->lte(
                    $tableAlias . '.' . $startTimeFieldName,
                    (int)$this->accessTimeStamp
                );
            }
        }
        return $expressionBuilder->andX(...$constraints);
    }
}