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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\Frontend\DataProcessing;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Frontend\ContentObject\ContentDataProcessor;
use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;
use TYPO3\CMS\Frontend\ContentObject\DataProcessorInterface;
/**
* Fetch records from the database, using the default .select syntax from TypoScript.
*
* This way, e.g. a FLUIDTEMPLATE cObject can iterate over the array of records.
*
* Example TypoScript configuration:
*
* 10 = TYPO3\CMS\Frontend\DataProcessing\DatabaseQueryProcessor
* 10 {
* table = tt_address
* pidInList = 123
* where = company="Acme" AND first_name="Ralph"
* orderBy = sorting DESC
* as = addresses
* dataProcessing {
* 10 = TYPO3\CMS\Frontend\DataProcessing\FilesProcessor
* 10 {
* references.fieldName = image
* }
* }
* }
*
* where "as" means the variable to be containing the result-set from the DB query.
*/
class DatabaseQueryProcessor implements DataProcessorInterface
{
public function __construct(protected readonly ContentDataProcessor $contentDataProcessor) {}
/**
* Fetches records from the database as an array
*
* @param ContentObjectRenderer $cObj The data of the content element or page
* @param array $contentObjectConfiguration The configuration of Content Object
* @param array $processorConfiguration The configuration of this processor
* @param array $processedData Key/value store of processed data (e.g. to be passed to a Fluid View)
*
* @return array the processed data as key/value store
*/
public function process(ContentObjectRenderer $cObj, array $contentObjectConfiguration, array $processorConfiguration, array $processedData)
{
if (isset($processorConfiguration['if.']) && !$cObj->checkIf($processorConfiguration['if.'])) {
return $processedData;
}
// the table to query, if none given, exit
$tableName = $cObj->stdWrapValue('table', $processorConfiguration);
if (empty($tableName)) {
return $processedData;
}
if (isset($processorConfiguration['table.'])) {
unset($processorConfiguration['table.']);
}
if (isset($processorConfiguration['table'])) {
unset($processorConfiguration['table']);
}
// The variable to be used within the result
$targetVariableName = $cObj->stdWrapValue('as', $processorConfiguration, 'records');
// Execute a SQL statement to fetch the records
$records = $cObj->getRecords($tableName, $processorConfiguration);
$request = $cObj->getRequest();
$processedRecordVariables = [];
foreach ($records as $key => $record) {
$recordContentObjectRenderer = GeneralUtility::makeInstance(ContentObjectRenderer::class);
$recordContentObjectRenderer->setRequest($request);
$recordContentObjectRenderer->start($record, $tableName);
$processedRecordVariables[$key] = ['data' => $record];
$processedRecordVariables[$key] = $this->contentDataProcessor->process($recordContentObjectRenderer, $processorConfiguration, $processedRecordVariables[$key]);
}
$processedData[$targetVariableName] = $processedRecordVariables;
return $processedData;
}
}