search_core/Classes/Hook/DataHandler.php

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<?php
namespace Codappix\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 Codappix\SearchCore\Configuration\NoConfigurationException;
use Codappix\SearchCore\Domain\Index\NoMatchingIndexerException;
use Codappix\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.
*/
public function __construct(OwnDataHandler $dataHandler = null, Logger $logger = null)
{
if ($dataHandler === null) {
try {
$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->dataHandler = $dataHandler;
if ($logger === null) {
$logger = GeneralUtility::makeInstance(LogManager::class)
->getLogger(__CLASS__);
}
$this->logger = $logger;
}
/**
* Called by CoreDataHandler on deletion of records.
*/
public function processCmdmap_deleteAction(string $table, int $uid) : bool
{
if (! $this->shouldProcessHookForTable($table)) {
$this->logger->debug('Delete not processed.', [$table, $uid]);
return false;
}
$this->dataHandler->delete($table, (string) $uid);
return true;
}
public function processDatamap_afterAllOperations(CoreDataHandler $dataHandler)
{
foreach ($dataHandler->datamap as $table => $record) {
$uid = key($record);
$fieldData = current($record);
if (isset($fieldArray['uid'])) {
$uid = $fieldArray['uid'];
} elseif (isset($dataHandler->substNEWwithIDs[$uid])) {
$uid = $dataHandler->substNEWwithIDs[$uid];
}
$this->processRecord($table, $uid);
}
}
protected function processRecord(string $table, int $uid) : bool
{
if (! $this->shouldProcessHookForTable($table)) {
$this->logger->debug('Indexing of record not processed.', [$table, $uid]);
return false;
}
$record = $this->getRecord($table, $uid);
if ($record !== null) {
$this->dataHandler->update($table, $record);
return true;
}
$this->logger->debug('Indexing of record not processed, as he was not found in Database.', [$table, $uid]);
return false;
}
protected function shouldProcessHookForTable(string $table) : bool
{
if ($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.
*
* @return array|null
*/
protected function getRecord(string $table, int $uid)
{
return BackendUtility::getRecord($table, $uid);
}
}