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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright Copyright (c) 2019 Joas Schilling <[email protected]> |
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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 = $this->removeOrphanChildren('cards', 'addressbooks', 'addressbookid'); |
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$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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$result = $qb->execute(); |
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$orphanItems = array(); |
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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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nextcloud /
server
