LocalizationController.php

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<?php
namespace TYPO3\CMS\Backend\Controller\Page;

/*
 * 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 Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use TYPO3\CMS\Backend\Configuration\TranslationConfigurationProvider;
use TYPO3\CMS\Backend\Domain\Repository\Localization\LocalizationRepository;
use TYPO3\CMS\Core\DataHandling\DataHandler;
use TYPO3\CMS\Core\Imaging\Icon;
use TYPO3\CMS\Core\Imaging\IconFactory;
use TYPO3\CMS\Core\Utility\GeneralUtility;

class LocalizationController
{
    const ACTION_COPY = 'copyFromLanguage';

    const ACTION_LOCALIZE = 'localize';

    protected $iconFactory;

    protected $localizationRepository;

    public function __construct()
    {
        $this->iconFactory = GeneralUtility::makeInstance(IconFactory::class);
        $this->localizationRepository = GeneralUtility::makeInstance(LocalizationRepository::class);
    }

    public function getUsedLanguagesInPageAndColumn(ServerRequestInterface $request, ResponseInterface $response)
    {
        $params = $request->getQueryParams();
        if (!isset($params['pageId'], $params['colPos'], $params['languageId'])) {
            $response = $response->withStatus(500);
            return $response;
        }

        $pageId = (int)$params['pageId'];
        $colPos = (int)$params['colPos'];
        $languageId = (int)$params['languageId'];

        $translationProvider = GeneralUtility::makeInstance(TranslationConfigurationProvider::class);
        $systemLanguages = $translationProvider->getSystemLanguages($pageId);

        $availableLanguages = [];

        // First check whether column has localized records
        $elementsInColumnCount = $this->localizationRepository->getLocalizedRecordCount($pageId, $colPos, $languageId);

        if ($elementsInColumnCount === 0) {
            $fetchedAvailableLanguages = $this->localizationRepository->fetchAvailableLanguages($pageId, $colPos, $languageId);
            $availableLanguages[] = $systemLanguages[0];

            foreach ($fetchedAvailableLanguages as $language) {
                if (isset($systemLanguages[$language['uid']])) {
                    $availableLanguages[] = $systemLanguages[$language['uid']];
                }
            }
        } else {
            $result = $this->localizationRepository->fetchOriginLanguage($pageId, $colPos, $languageId);
            $availableLanguages[] = $systemLanguages[$result['sys_language_uid']];
        }

        // Pre-render all flag icons
        foreach ($availableLanguages as &$language) {
            if ($language['flagIcon'] === 'empty-empty') {
                $language['flagIcon'] = '';
            } else {
                $language['flagIcon'] = $this->iconFactory->getIcon($language['flagIcon'], Icon::SIZE_SMALL)->render();
            }
        }

        $response->getBody()->write(json_encode($availableLanguages));
        return $response;
    }

    public function getRecordLocalizeSummary(ServerRequestInterface $request, ResponseInterface $response)
    {
        $params = $request->getQueryParams();
        if (!isset($params['pageId'], $params['colPos'], $params['destLanguageId'], $params['languageId'])) {
            $response = $response->withStatus(500);
            return $response;
        }

        $records = [];
        $databaseConnection = $this->getDatabaseConnection();
        $res = $this->localizationRepository->getRecordsToCopyDatabaseResult($params['pageId'], $params['colPos'], $params['destLanguageId'], $params['languageId'], '*');
        while ($row = $databaseConnection->sql_fetch_assoc($res)) {
            $records[] = [
                'icon' => $this->iconFactory->getIconForRecord('tt_content', $row, Icon::SIZE_SMALL)->render(),
                'title' => $row[$GLOBALS['TCA']['tt_content']['ctrl']['label']],
                'uid' => $row['uid']
            ];
        }
        $databaseConnection->sql_free_result($res);

        $response->getBody()->write(json_encode($records));
        return $response;
    }

    public function getRecordUidsToCopy(ServerRequestInterface $request, ResponseInterface $response)
    {
        $params = $request->getQueryParams();
        if (!isset($params['pageId'], $params['colPos'], $params['languageId'])) {
            $response = $response->withStatus(500);
            return $response;
        }

        $pageId = (int)$params['pageId'];
        $colPos = (int)$params['colPos'];
        $languageId = (int)$params['languageId'];
        $databaseConnection = $this->getDatabaseConnection();

        $res = $this->localizationRepository->getRecordsToCopyDatabaseResult($pageId, $colPos, $languageId, 'uid');
        $uids = [];
        while ($row = $databaseConnection->sql_fetch_assoc($res)) {
            $uids[] = (int)$row['uid'];
        }
        $databaseConnection->sql_free_result($res);

        $response->getBody()->write(json_encode($uids));
        return $response;
    }

    public function localizeRecords(ServerRequestInterface $request, ResponseInterface $response)
    {
        $params = $request->getQueryParams();
        if (!isset($params['pageId'], $params['srcLanguageId'], $params['destLanguageId'], $params['action'], $params['uidList'])) {
            $response = $response->withStatus(500);
            return $response;
        }

        if ($params['action'] !== static::ACTION_COPY && $params['action'] !== static::ACTION_LOCALIZE) {
            $response->getBody()->write('Invalid action "' . $params['action'] . '" called.');
            $response = $response->withStatus(500);
            return $response;
        }

        $this->process($params);

        $response->getBody()->write(json_encode([]));
        return $response;
    }

    protected function process($params)
    {
        $destLanguageId = (int)$params['destLanguageId'];

        // Build command map
        $cmd = [
            'tt_content' => []
        ];

        if (isset($params['uidList']) && is_array($params['uidList'])) {
            foreach ($params['uidList'] as $currentUid) {
                if ($params['action'] === static::ACTION_LOCALIZE) {
                    $cmd['tt_content'][$currentUid] = [
                        'localize' => $destLanguageId
                    ];
                } else {
                    $cmd['tt_content'][$currentUid] = [
                        'copyToLanguage' => $destLanguageId,
                    ];
                }
            }
        }

        $dataHandler = GeneralUtility::makeInstance(DataHandler::class);
        $dataHandler->start([], $cmd);
        $dataHandler->process_cmdmap();
    }

    protected function getDatabaseConnection()
    {
        return $GLOBALS['TYPO3_DB'];
    }
}