ContentRepository.php

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<?php
namespace TYPO3\CMS\Form\Domain\Repository;

class ContentRepository {

    public function getRecord() {
        $record = FALSE;
        $getPostVariables = \TYPO3\CMS\Core\Utility\GeneralUtility::_GP('P');
        $table = (string) $getPostVariables['table'];
        $recordId = (int)$getPostVariables['uid'];
        $row = \TYPO3\CMS\Backend\Utility\BackendUtility::getRecord($table, $recordId);
        if (is_array($row)) {
            // strip off the leading "[Translate to XY]" text after localizing the original record
            $languageField = $GLOBALS['TCA']['tt_content']['ctrl']['languageField'];
            $transOrigPointerField = $GLOBALS['TCA']['tt_content']['ctrl']['transOrigPointerField'];
            if ($row[$languageField] > 0 && $row[$transOrigPointerField] > 0) {
                $bodytext = preg_replace('/^\[.*?\] /', '', $row['bodytext'], 1);
            } else {
                $bodytext = $row['bodytext'];
            }

            $typoScriptParser = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\TypoScript\\Parser\\TypoScriptParser');
            $typoScriptParser->parse($bodytext);
            $record = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Form\\Domain\\Model\\Content');
            $record->setUid($row['uid']);
            $record->setPageId($row['pid']);
            $record->setTyposcript($typoScriptParser->setup);
        }
        return $record;
    }

    public function hasRecord() {
        return $this->getRecord() !== FALSE;
    }

    public function save() {
        $json = \TYPO3\CMS\Core\Utility\GeneralUtility::_GP('configuration');
        $parameters = \TYPO3\CMS\Core\Utility\GeneralUtility::_GP('P');
        $success = FALSE;
        $converter = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Form\\Domain\\Factory\\JsonToTypoScript');
        $typoscript = $converter->convert($json);
        if ($typoscript) {
            // Make TCEmain object:
            $tce = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\DataHandling\\DataHandler');
            $tce->stripslashes_values = 0;
            // Put content into the data array:
            $data = array();
            $data[$parameters['table']][$parameters['uid']][$parameters['field']] = $typoscript;
            // Perform the update:
            $tce->start($data, array());
            $tce->process_datamap();
            $success = TRUE;
        }
        return $success;
    }

    public function getRecordAsJson() {
        $json = FALSE;
        $record = $this->getRecord();
        if ($record) {
            $typoscript = $record->getTyposcript();
            $converter = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Form\\Utility\\TypoScriptToJsonConverter');
            $json = $converter->convert($typoscript);
        }
        return $json;
    }

}