search_core/Classes/Hook/DataHandler.php

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<?php
namespace Leonmrni\SearchCore\Hook;
/*
* Copyright (C) 2016 Daniel Siepmann <coding@daniel-siepmann.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
use Leonmrni\SearchCore\Configuration\NoConfigurationException;
use Leonmrni\SearchCore\Domain\Index\NoMatchingIndexerException;
use Leonmrni\SearchCore\Domain\Service\DataHandler as OwnDataHandler;
use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Core\DataHandling\DataHandler as CoreDataHandler;
use TYPO3\CMS\Core\Log\LogManager;
use TYPO3\CMS\Core\Log\Logger;
use TYPO3\CMS\Core\SingletonInterface as Singleton;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Object\ObjectManager;
/**
* Wrapper for TYPO3 Hooks to internal API.
*/
class DataHandler implements Singleton
{
/**
* @var OwnDataHandler
*/
protected $dataHandler;
/**
* @var \TYPO3\CMS\Core\Log\Logger
*/
protected $logger;
/**
* Dependency injection as TYPO3 doesn't provide it on it's own.
* Still you can submit your own dataHandler.
*
* @param OwnDataHandler $dataHandler
* @param Logger $logger
*/
public function __construct(OwnDataHandler $dataHandler = null, Logger $logger = null)
{
$this->dataHandler = $dataHandler;
if ($this->dataHandler === null) {
try {
$this->dataHandler = GeneralUtility::makeInstance(ObjectManager::class)
->get(OwnDataHandler::class);
} catch (NoConfigurationException $e) {
// We have no configuration. That's fine, hooks will not be
// executed due to check for existing DataHandler.
}
}
$this->logger = $logger;
if ($this->logger === null) {
$this->logger = GeneralUtility::makeInstance(LogManager::class)
->getLogger(__CLASS__);
}
}
/**
* Called by CoreDataHandler on deletion of records.
*
* @param string $table
* @param int $uid
*
* @return bool False if hook was not processed.
*/
public function processCmdmap_deleteAction($table, $uid)
{
if (! $this->shouldProcessHookForTable($table)) {
$this->logger->debug('Delete not processed.', [$table, $uid]);
return false;
}
$this->dataHandler->delete($table, $uid);
return true;
}
/**
* Called by CoreDataHandler on database operations, e.g. if new records were created or records were updated.
*
* @param string $status
* @param string $table
* @param string|int $uid
* @param array $fieldArray
* @param CoreDataHandler $dataHandler
*
* @return bool False if hook was not processed.
*/
public function processDatamap_afterDatabaseOperations($status, $table, $uid, array $fieldArray, CoreDataHandler $dataHandler)
{
if (! $this->shouldProcessHookForTable($table)) {
$this->logger->debug('Database update not processed.', [$table, $uid]);
return false;
}
if ($status === 'new') {
$fieldArray['uid'] = $dataHandler->substNEWwithIDs[$uid];
$this->dataHandler->add($table, $fieldArray);
return true;
}
if ($status === 'update') {
$record = $this->getRecord($table, $uid);
if ($record !== null) {
$this->dataHandler->update($table, $record);
}
return true;
}
$this->logger->debug(
'Database update not processed, cause status is unhandled.',
[$status, $table, $uid, $fieldArray]
);
return false;
}
/**
* @param string $table
* @return bool
*/
protected function shouldProcessHookForTable($table)
{
if ($this->dataHandler === null) {
$this->logger->debug('Datahandler could not be setup.');
return false;
}
if (! $this->dataHandler->canHandle($table)) {
$this->logger->debug('Table is not allowed.', [$table]);
return false;
}
return true;
}
/**
* Wrapper to allow unit testing.
*
* @param string $table
* @param int $uid
* @return null|array<String>
*/
protected function getRecord($table, $uid)
{
return BackendUtility::getRecord($table, $uid);
}
}