ItemProcessingService.php

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<?php
 
/*
 * 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!
 */
 
namespace ‪TYPO3\CMS\Core\DataHandling;
 
use TYPO3\CMS\Backend\Utility\BackendUtility;
use ‪TYPO3\CMS\Core\Localization\LanguageService;
use ‪TYPO3\CMS\Core\Messaging\FlashMessage;
use ‪TYPO3\CMS\Core\Messaging\FlashMessageService;
use ‪TYPO3\CMS\Core\Schema\Struct\SelectItem;
use ‪TYPO3\CMS\Core\Type\ContextualFeedbackSeverity;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪ItemProcessingService
{
    public function ‪getProcessingItems($table, $realPid, $field, $row, $tcaConfig, $selectedItems)
    {
        $pageId = (int)($table === 'pages' ? ($row['uid'] ?? $realPid) : ($row['pid'] ?? $realPid));
        $TSconfig = BackendUtility::getPagesTSconfig($pageId);
        $fieldTSconfig = $TSconfig['TCEFORM.'][$table . '.'][$field . '.'] ?? [];
 
        $params = [];
        $params['items'] = &$selectedItems;
        $params['config'] = $tcaConfig;
        $params['TSconfig'] = $fieldTSconfig['itemsProcFunc.'] ?? null;
        $params['table'] = $table;
        $params['row'] = $row;
        $params['field'] = $field;
 
        // The itemsProcFunc method may throw an exception.
        // If it does, display an error message and return items unchanged.
        try {
            $params['items'] = array_map(
                fn(array $item) => ‪SelectItem::fromTcaItemArray($item, $params['config']['type']),
                $params['items']
            );
            GeneralUtility::callUserFunction($tcaConfig['itemsProcFunc'], $params, $this);
            $params['items'] = array_map(
                fn($item) => $item instanceof ‪SelectItem ? $item : ‪SelectItem::fromTcaItemArray($item, $params['config']['type']),
                $params['items']
            );
        } catch (\‪Exception $exception) {
            $languageService = $this->‪getLanguageService();
            $fieldLabel = $field;
            if (isset(‪$GLOBALS['TCA'][$table]['columns'][$field]['label'])) {
                $fieldLabel = $languageService->sL(‪$GLOBALS['TCA'][$table]['columns'][$field]['label']);
            }
            $message = sprintf(
                $languageService->sL('LLL:EXT:core/Resources/Private/Language/locallang_core.xlf:error.items_proc_func_error'),
                $fieldLabel,
                $exception->getMessage()
            );
            $flashMessage = GeneralUtility::makeInstance(
                FlashMessage::class,
                $message,
                '',
                ContextualFeedbackSeverity::ERROR,
                true
            );
            $flashMessageService = GeneralUtility::makeInstance(FlashMessageService::class);
            $defaultFlashMessageQueue = $flashMessageService->getMessageQueueByIdentifier();
            $defaultFlashMessageQueue->enqueue($flashMessage);
        }
 
        return $selectedItems;
    }
 
    protected function ‪getLanguageService(): ‪LanguageService
    {
        return ‪$GLOBALS['LANG'];
    }
}