DataMapperViewHelper.php

<?php

/**
 * This file is part of the "foobarsite" Extension for TYPO3 CMS.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 */

namespace Visol\Foobarsite\ViewHelpers;

use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;

/**
 * View helper which returns the time offset respecting Central European Summer Time (Daylight Saving Time)
 */
class DataMapperViewHelper extends AbstractViewHelper
{

    /**
     * @var \TYPO3\CMS\Extbase\Persistence\Generic\Mapper\DataMapper
     * @inject
     */
    protected $dataMapper;

    /**
     * @param string $targetType
     * @param array $records An array of records to map
     * @param array $record A single record to map
     *
     * @return array
     */
    public function render($targetType, $records = [], $record = [])
    {
        if (!empty($record)) {
            // Map and return exactly one record
            $records = $this->dataMapper->map($targetType, [$record]);
            if (count($records)) {
                return $records[0];
            }
        } else {
            // Map and return all records
            return $this->dataMapper->map($targetType, $records);
        }
    }
}