112 lines
4.2 KiB
PHP
112 lines
4.2 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2019 Joas Schilling <coding@schilljs.com>
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Thomas Citharel <nextcloud@tcit.fr>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\DAV\Migration;
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use OCA\DAV\CalDAV\CalDavBackend;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\IDBConnection;
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use OCP\Migration\IOutput;
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use OCP\Migration\IRepairStep;
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class RemoveOrphanEventsAndContacts implements IRepairStep {
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/** @var IDBConnection */
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private $connection;
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public function __construct(IDBConnection $connection) {
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$this->connection = $connection;
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}
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/**
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* @inheritdoc
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*/
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public function getName(): string {
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return 'Clean up orphan event and contact data';
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}
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/**
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* @inheritdoc
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*/
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public function run(IOutput $output) {
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$orphanItems = $this->removeOrphanChildren('calendarobjects', 'calendars', 'calendarid');
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$output->info(sprintf('%d events without a calendar have been cleaned up', $orphanItems));
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$orphanItems = $this->removeOrphanChildren('calendarobjects_props', 'calendarobjects', 'objectid');
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$output->info(sprintf('%d properties without an events have been cleaned up', $orphanItems));
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$orphanItems = $this->removeOrphanChildren('calendarchanges', 'calendars', 'calendarid');
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$output->info(sprintf('%d changes without a calendar have been cleaned up', $orphanItems));
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$orphanItems = $this->removeOrphanChildren('calendarobjects', 'calendarsubscriptions', 'calendarid');
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$output->info(sprintf('%d cached events without a calendar subscription have been cleaned up', $orphanItems));
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$orphanItems = $this->removeOrphanChildren('calendarchanges', 'calendarsubscriptions', 'calendarid');
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$output->info(sprintf('%d changes without a calendar subscription have been cleaned up', $orphanItems));
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$orphanItems = $this->removeOrphanChildren('cards', 'addressbooks', 'addressbookid');
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$output->info(sprintf('%d contacts without an addressbook have been cleaned up', $orphanItems));
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$orphanItems = $this->removeOrphanChildren('cards_properties', 'cards', 'cardid');
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$output->info(sprintf('%d properties without a contact have been cleaned up', $orphanItems));
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$orphanItems = $this->removeOrphanChildren('addressbookchanges', 'addressbooks', 'addressbookid');
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$output->info(sprintf('%d changes without an addressbook have been cleaned up', $orphanItems));
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}
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protected function removeOrphanChildren($childTable, $parentTable, $parentId): int {
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$qb = $this->connection->getQueryBuilder();
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$qb->select('c.id')
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->from($childTable, 'c')
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->leftJoin('c', $parentTable, 'p', $qb->expr()->eq('c.' . $parentId, 'p.id'))
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->where($qb->expr()->isNull('p.id'));
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if (\in_array($parentTable, ['calendars', 'calendarsubscriptions'], true)) {
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$calendarType = $parentTable === 'calendarsubscriptions' ? CalDavBackend::CALENDAR_TYPE_SUBSCRIPTION : CalDavBackend::CALENDAR_TYPE_CALENDAR;
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$qb->andWhere($qb->expr()->eq('c.calendartype', $qb->createNamedParameter($calendarType, IQueryBuilder::PARAM_INT), IQueryBuilder::PARAM_INT));
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}
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$result = $qb->execute();
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$orphanItems = [];
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while ($row = $result->fetch()) {
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$orphanItems[] = (int) $row['id'];
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}
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$result->closeCursor();
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if (!empty($orphanItems)) {
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$qb->delete($childTable)
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->where($qb->expr()->in('id', $qb->createParameter('ids')));
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$orphanItemsBatch = array_chunk($orphanItems, 200);
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foreach ($orphanItemsBatch as $items) {
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$qb->setParameter('ids', $items, IQueryBuilder::PARAM_INT_ARRAY);
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$qb->execute();
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}
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}
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return count($orphanItems);
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}
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}
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