events/Classes/Service/Cleanup/Database.php

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<?php
namespace Wrm\Events\Service\Cleanup;
/*
* Copyright (C) 2019 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 TYPO3\CMS\Core\Database\Connection;
use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Database\Query\QueryBuilder;
use TYPO3\CMS\Core\Utility\GeneralUtility;
class Database
{
public const DATE_TABLE = 'tx_events_domain_model_date';
public const EVENT_TABLE = 'tx_events_domain_model_event';
public const ORGANIZER_TABLE = 'tx_events_domain_model_organizer';
public function truncateTables(string ...$tableNames): void
{
foreach ($tableNames as $tableName) {
GeneralUtility::makeInstance(ConnectionPool::class)
->getConnectionForTable($tableName)
->truncate($tableName);
}
}
public function getDeletionStructureForEvents(): array
{
$dataStructure = [static::EVENT_TABLE => []];
foreach ($this->getAllRecords(static::EVENT_TABLE) as $recordToDelete) {
$dataStructure[static::EVENT_TABLE][$recordToDelete] = ['delete' => 1];
}
return $dataStructure;
}
private function getAllRecords(string $tableName): array
{
/* @var QueryBuilder $queryBuilder */
$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
->getConnectionForTable($tableName)
->createQueryBuilder();
$records = $queryBuilder->select('uid')
->from($tableName)
->execute()
->fetchAll();
return array_map(function (array $record) {
return $record['uid'];
}, $records);
}
public function getPastDates(): array
{
$midnightToday = new \DateTimeImmutable('midnight today');
/* @var QueryBuilder $queryBuilder */
$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
->getConnectionForTable(static::DATE_TABLE)
->createQueryBuilder();
$queryBuilder->getRestrictions()->removeAll();
$records = $queryBuilder->select('uid')
->from(static::DATE_TABLE)
->where($queryBuilder->expr()->lte(
'end',
$queryBuilder->createNamedParameter($midnightToday->format('Y-m-d H:i:s'))
))
->execute()
->fetchAll();
return array_map(function (array $record) {
return $record['uid'];
}, $records);
}
public function deleteDates(int ...$uids)
{
/* @var QueryBuilder $queryBuilder */
$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
->getQueryBuilderForTable(static::DATE_TABLE);
$queryBuilder->delete(static::DATE_TABLE)
->where('uid in (:uids)')
->setParameter(':uids', $uids, Connection::PARAM_INT_ARRAY)
->execute();
}
public function getDeletionStructureForEventsWithoutDates(): array
{
$dataStructure = [static::EVENT_TABLE => []];
/* @var QueryBuilder $queryBuilder */
$queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
->getConnectionForTable(static::EVENT_TABLE)
->createQueryBuilder();
$queryBuilder->getRestrictions()->removeAll();
$records = $queryBuilder->select('event.uid')
->from(static::EVENT_TABLE, 'event')
->leftJoin('event', static::DATE_TABLE, 'date', $queryBuilder->expr()->eq('date.event', 'event.uid'))
->where($queryBuilder->expr()->isNull('date.uid'))
->execute()
->fetchAll();
foreach ($records as $record) {
$dataStructure[static::EVENT_TABLE][$record['uid']] = ['delete' => 1];
}
return $dataStructure;
}
}