migrate therinaldos.com data

wedding-pics/apps/dav/lib/Migration/BuildCalendarSearchIndex.php

@@ -0,0 +1,92 @@
+<?php
+/**
+ * @copyright 2017 Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\BackgroundJob\IJobList;
+use OCP\IConfig;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class BuildCalendarSearchIndex implements IRepairStep {
+
+	/** @var IDBConnection */
+	private $db;
+
+	/** @var IJobList */
+	private $jobList;
+
+	/** @var IConfig */
+	private $config;
+
+	/**
+	 * @param IDBConnection $db
+	 * @param IJobList $jobList
+	 * @param IConfig $config
+	 */
+	public function __construct(IDBConnection $db,
+		IJobList $jobList,
+		IConfig $config) {
+		$this->db = $db;
+		$this->jobList = $jobList;
+		$this->config = $config;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getName() {
+		return 'Registering building of calendar search index as background job';
+	}
+
+	/**
+	 * @param IOutput $output
+	 */
+	public function run(IOutput $output) {
+		// only run once
+		if ($this->config->getAppValue('dav', 'buildCalendarSearchIndex') === 'yes') {
+			$output->info('Repair step already executed');
+			return;
+		}
+
+		$query = $this->db->getQueryBuilder();
+		$query->select($query->createFunction('MAX(' . $query->getColumnName('id') . ')'))
+			->from('calendarobjects');
+		$result = $query->execute();
+		$maxId = (int) $result->fetchOne();
+		$result->closeCursor();
+
+		$output->info('Add background job');
+		$this->jobList->add(BuildCalendarSearchIndexBackgroundJob::class, [
+			'offset' => 0,
+			'stopAt' => $maxId
+		]);
+
+		// if all were done, no need to redo the repair during next upgrade
+		$this->config->setAppValue('dav', 'buildCalendarSearchIndex', 'yes');
+	}
+}

wedding-pics/apps/dav/lib/Migration/BuildCalendarSearchIndexBackgroundJob.php

@@ -0,0 +1,122 @@
+<?php
+/**
+ * @copyright 2017 Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OC\BackgroundJob\QueuedJob;
+use OCA\DAV\CalDAV\CalDavBackend;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\BackgroundJob\IJobList;
+use OCP\IDBConnection;
+use OCP\ILogger;
+
+class BuildCalendarSearchIndexBackgroundJob extends QueuedJob {
+
+	/** @var IDBConnection */
+	private $db;
+
+	/** @var CalDavBackend */
+	private $calDavBackend;
+
+	/** @var ILogger */
+	private $logger;
+
+	/** @var IJobList */
+	private $jobList;
+
+	/** @var ITimeFactory */
+	private $timeFactory;
+
+	/**
+	 * @param IDBConnection $db
+	 * @param CalDavBackend $calDavBackend
+	 * @param ILogger $logger
+	 * @param IJobList $jobList
+	 * @param ITimeFactory $timeFactory
+	 */
+	public function __construct(IDBConnection $db,
+		CalDavBackend $calDavBackend,
+		ILogger $logger,
+		IJobList $jobList,
+		ITimeFactory $timeFactory) {
+		$this->db = $db;
+		$this->calDavBackend = $calDavBackend;
+		$this->logger = $logger;
+		$this->jobList = $jobList;
+		$this->timeFactory = $timeFactory;
+	}
+
+	public function run($arguments) {
+		$offset = (int) $arguments['offset'];
+		$stopAt = (int) $arguments['stopAt'];
+
+		$this->logger->info('Building calendar index (' . $offset .'/' . $stopAt . ')');
+
+		$startTime = $this->timeFactory->getTime();
+		while (($this->timeFactory->getTime() - $startTime) < 15) {
+			$offset = $this->buildIndex($offset, $stopAt);
+			if ($offset >= $stopAt) {
+				break;
+			}
+		}
+
+		if ($offset >= $stopAt) {
+			$this->logger->info('Building calendar index done');
+		} else {
+			$this->jobList->add(self::class, [
+				'offset' => $offset,
+				'stopAt' => $stopAt
+			]);
+			$this->logger->info('New building calendar index job scheduled with offset ' . $offset);
+		}
+	}
+
+	/**
+	 * @param int $offset
+	 * @param int $stopAt
+	 * @return int
+	 */
+	private function buildIndex(int $offset, int $stopAt): int {
+		$query = $this->db->getQueryBuilder();
+		$query->select(['id', 'calendarid', 'uri', 'calendardata'])
+			->from('calendarobjects')
+			->where($query->expr()->lte('id', $query->createNamedParameter($stopAt)))
+			->andWhere($query->expr()->gt('id', $query->createNamedParameter($offset)))
+			->orderBy('id', 'ASC')
+			->setMaxResults(500);
+
+		$result = $query->execute();
+		while ($row = $result->fetch(\PDO::FETCH_ASSOC)) {
+			$offset = $row['id'];
+
+			$calendarData = $row['calendardata'];
+			if (is_resource($calendarData)) {
+				$calendarData = stream_get_contents($calendarData);
+			}
+
+			$this->calDavBackend->updateProperties($row['calendarid'], $row['uri'], $calendarData);
+		}
+
+		return $offset;
+	}
+}

wedding-pics/apps/dav/lib/Migration/BuildSocialSearchIndex.php

@@ -0,0 +1,92 @@
+<?php
+/**
+ * @copyright 2017 Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author call-me-matt <nextcloud@matthiasheinisch.de>
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\BackgroundJob\IJobList;
+use OCP\IConfig;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class BuildSocialSearchIndex implements IRepairStep {
+
+	/** @var IDBConnection */
+	private $db;
+
+	/** @var IJobList */
+	private $jobList;
+
+	/** @var IConfig */
+	private $config;
+
+	/**
+	 * @param IDBConnection $db
+	 * @param IJobList $jobList
+	 * @param IConfig $config
+	 */
+	public function __construct(IDBConnection $db,
+		IJobList $jobList,
+		IConfig $config) {
+		$this->db = $db;
+		$this->jobList = $jobList;
+		$this->config = $config;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getName() {
+		return 'Register building of social profile search index as background job';
+	}
+
+	/**
+	 * @param IOutput $output
+	 */
+	public function run(IOutput $output) {
+		// only run once
+		if ($this->config->getAppValue('dav', 'builtSocialSearchIndex') === 'yes') {
+			$output->info('Repair step already executed');
+			return;
+		}
+
+		$query = $this->db->getQueryBuilder();
+		$query->select($query->func()->max('cardid'))
+			->from('cards_properties')
+			->where($query->expr()->eq('name', $query->createNamedParameter('X-SOCIALPROFILE')));
+		$maxId = (int)$query->execute()->fetchOne();
+
+		if ($maxId === 0) {
+			return;
+		}
+
+		$output->info('Add background job');
+		$this->jobList->add(BuildSocialSearchIndexBackgroundJob::class, [
+			'offset' => 0,
+			'stopAt' => $maxId
+		]);
+
+		// no need to redo the repair during next upgrade
+		$this->config->setAppValue('dav', 'builtSocialSearchIndex', 'yes');
+	}
+}

wedding-pics/apps/dav/lib/Migration/BuildSocialSearchIndexBackgroundJob.php

@@ -0,0 +1,121 @@
+<?php
+/**
+ * @copyright 2020 Matthias Heinisch <nextcloud@matthiasheinisch.de>
+ *
+ * @author call-me-matt <nextcloud@matthiasheinisch.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OC\BackgroundJob\QueuedJob;
+use OCA\DAV\CardDAV\CardDavBackend;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\BackgroundJob\IJobList;
+use OCP\IDBConnection;
+use OCP\ILogger;
+
+class BuildSocialSearchIndexBackgroundJob extends QueuedJob {
+
+	/** @var IDBConnection */
+	private $db;
+
+	/** @var CardDavBackend */
+	private $davBackend;
+
+	/** @var ILogger */
+	private $logger;
+
+	/** @var IJobList */
+	private $jobList;
+
+	/** @var ITimeFactory */
+	private $timeFactory;
+
+	/**
+	 * @param IDBConnection $db
+	 * @param CardDavBackend $davBackend
+	 * @param ILogger $logger
+	 * @param IJobList $jobList
+	 * @param ITimeFactory $timeFactory
+	 */
+	public function __construct(IDBConnection $db,
+		CardDavBackend $davBackend,
+		ILogger $logger,
+		IJobList $jobList,
+		ITimeFactory $timeFactory) {
+		$this->db = $db;
+		$this->davBackend = $davBackend;
+		$this->logger = $logger;
+		$this->jobList = $jobList;
+		$this->timeFactory = $timeFactory;
+	}
+
+	public function run($arguments) {
+		$offset = $arguments['offset'];
+		$stopAt = $arguments['stopAt'];
+
+		$this->logger->info('Indexing social profile data (' . $offset .'/' . $stopAt . ')');
+
+		$offset = $this->buildIndex($offset, $stopAt);
+
+		if ($offset >= $stopAt) {
+			$this->logger->info('All contacts with social profiles indexed');
+		} else {
+			$this->jobList->add(self::class, [
+				'offset' => $offset,
+				'stopAt' => $stopAt
+			]);
+			$this->logger->info('New social profile indexing job scheduled with offset ' . $offset);
+		}
+	}
+
+	/**
+	 * @param int $offset
+	 * @param int $stopAt
+	 * @return int
+	 */
+	private function buildIndex($offset, $stopAt) {
+		$startTime = $this->timeFactory->getTime();
+
+		// get contacts with social profiles
+		$query = $this->db->getQueryBuilder();
+		$query->select('id', 'addressbookid', 'uri', 'carddata')
+			->from('cards', 'c')
+			->orderBy('id', 'ASC')
+			->where($query->expr()->like('carddata', $query->createNamedParameter('%SOCIALPROFILE%')))
+			->setMaxResults(100);
+		$social_cards = $query->execute()->fetchAll();
+
+		if (empty($social_cards)) {
+			return $stopAt;
+		}
+
+		// refresh identified contacts in order to re-index
+		foreach ($social_cards as $contact) {
+			$offset = $contact['id'];
+			$this->davBackend->updateCard($contact['addressbookid'], $contact['uri'], $contact['carddata']);
+
+			// stop after 15sec (to be continued with next chunk)
+			if (($this->timeFactory->getTime() - $startTime) > 15) {
+				break;
+			}
+		}
+
+		return $offset;
+	}
+}

wedding-pics/apps/dav/lib/Migration/CalDAVRemoveEmptyValue.php

@@ -0,0 +1,146 @@
+<?php
+/**
+ * @copyright 2017 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use Doctrine\DBAL\Platforms\OraclePlatform;
+use OCA\DAV\CalDAV\CalDavBackend;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+use Psr\Log\LoggerInterface;
+use Sabre\VObject\InvalidDataException;
+
+class CalDAVRemoveEmptyValue implements IRepairStep {
+
+	/** @var IDBConnection */
+	private $db;
+
+	/** @var CalDavBackend */
+	private $calDavBackend;
+
+	private LoggerInterface $logger;
+
+	public function __construct(IDBConnection $db, CalDavBackend $calDavBackend, LoggerInterface $logger) {
+		$this->db = $db;
+		$this->calDavBackend = $calDavBackend;
+		$this->logger = $logger;
+	}
+
+	public function getName() {
+		return 'Fix broken values of calendar objects';
+	}
+
+	public function run(IOutput $output) {
+		$pattern = ';VALUE=:';
+		$count = $warnings = 0;
+
+		$objects = $this->getInvalidObjects($pattern);
+
+		$output->startProgress(count($objects));
+		foreach ($objects as $row) {
+			$calObject = $this->calDavBackend->getCalendarObject((int)$row['calendarid'], $row['uri']);
+			$data = preg_replace('/' . $pattern . '/', ':', $calObject['calendardata']);
+
+			if ($data !== $calObject['calendardata']) {
+				$output->advance();
+
+				try {
+					$this->calDavBackend->getDenormalizedData($data);
+				} catch (InvalidDataException $e) {
+					$this->logger->info('Calendar object for calendar {cal} with uri {uri} still invalid', [
+						'app' => 'dav',
+						'cal' => (int)$row['calendarid'],
+						'uri' => $row['uri'],
+					]);
+					$warnings++;
+					continue;
+				}
+
+				$this->calDavBackend->updateCalendarObject((int)$row['calendarid'], $row['uri'], $data);
+				$count++;
+			}
+		}
+		$output->finishProgress();
+
+		if ($warnings > 0) {
+			$output->warning(sprintf('%d events could not be updated, see log file for more information', $warnings));
+		}
+		if ($count > 0) {
+			$output->info(sprintf('Updated %d events', $count));
+		}
+	}
+
+	protected function getInvalidObjects($pattern) {
+		if ($this->db->getDatabasePlatform() instanceof OraclePlatform) {
+			$rows = [];
+			$chunkSize = 500;
+			$query = $this->db->getQueryBuilder();
+			$query->select($query->func()->count('*', 'num_entries'))
+				->from('calendarobjects');
+			$result = $query->execute();
+			$count = $result->fetchOne();
+			$result->closeCursor();
+
+			$numChunks = ceil($count / $chunkSize);
+
+			$query = $this->db->getQueryBuilder();
+			$query->select(['calendarid', 'uri', 'calendardata'])
+				->from('calendarobjects')
+				->setMaxResults($chunkSize);
+			for ($chunk = 0; $chunk < $numChunks; $chunk++) {
+				$query->setFirstResult($chunk * $chunkSize);
+				$result = $query->execute();
+
+				while ($row = $result->fetch()) {
+					if (mb_strpos($row['calendardata'], $pattern) !== false) {
+						unset($row['calendardata']);
+						$rows[] = $row;
+					}
+				}
+				$result->closeCursor();
+			}
+			return $rows;
+		}
+
+		$query = $this->db->getQueryBuilder();
+		$query->select(['calendarid', 'uri'])
+			->from('calendarobjects')
+			->where($query->expr()->like(
+				'calendardata',
+				$query->createNamedParameter(
+					'%' . $this->db->escapeLikeParameter($pattern) . '%',
+					IQueryBuilder::PARAM_STR
+				),
+				IQueryBuilder::PARAM_STR
+			));
+
+		$result = $query->execute();
+		$rows = $result->fetchAll();
+		$result->closeCursor();
+
+		return $rows;
+	}
+}

wedding-pics/apps/dav/lib/Migration/ChunkCleanup.php

@@ -0,0 +1,95 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCA\DAV\BackgroundJob\UploadCleanup;
+use OCP\BackgroundJob\IJobList;
+use OCP\Files\Folder;
+use OCP\Files\IRootFolder;
+use OCP\Files\NotFoundException;
+use OCP\IConfig;
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class ChunkCleanup implements IRepairStep {
+
+	/** @var IConfig */
+	private $config;
+	/** @var IUserManager */
+	private $userManager;
+	/** @var IRootFolder */
+	private $rootFolder;
+	/** @var IJobList */
+	private $jobList;
+
+	public function __construct(IConfig $config,
+		IUserManager $userManager,
+		IRootFolder $rootFolder,
+		IJobList $jobList) {
+		$this->config = $config;
+		$this->userManager = $userManager;
+		$this->rootFolder = $rootFolder;
+		$this->jobList = $jobList;
+	}
+
+	public function getName(): string {
+		return 'Chunk cleanup scheduler';
+	}
+
+	public function run(IOutput $output) {
+		// If we already ran this onec there is no need to run it again
+		if ($this->config->getAppValue('dav', 'chunks_migrated', '0') === '1') {
+			$output->info('Cleanup not required');
+		}
+
+		$output->startProgress();
+		// Loop over all seen users
+		$this->userManager->callForSeenUsers(function (IUser $user) use ($output) {
+			try {
+				$userFolder = $this->rootFolder->getUserFolder($user->getUID());
+				$userRoot = $userFolder->getParent();
+				/** @var Folder $uploadFolder */
+				$uploadFolder = $userRoot->get('uploads');
+			} catch (NotFoundException $e) {
+				// No folder so skipping
+				return;
+			}
+
+			// Insert a cleanup job for each folder we find
+			$uploads = $uploadFolder->getDirectoryListing();
+			foreach ($uploads as $upload) {
+				$this->jobList->add(UploadCleanup::class, ['uid' => $user->getUID(), 'folder' => $upload->getName()]);
+			}
+			$output->advance();
+		});
+		$output->finishProgress();
+
+
+		$this->config->setAppValue('dav', 'chunks_migrated', '1');
+	}
+}

wedding-pics/apps/dav/lib/Migration/FixBirthdayCalendarComponent.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016, ownCloud GmbH.
+ *
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ *
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCA\DAV\CalDAV\BirthdayService;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class FixBirthdayCalendarComponent implements IRepairStep {
+
+	/** @var IDBConnection */
+	private $connection;
+
+	/**
+	 * FixBirthdayCalendarComponent constructor.
+	 *
+	 * @param IDBConnection $connection
+	 */
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function getName() {
+		return 'Fix component of birthday calendars';
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function run(IOutput $output) {
+		$query = $this->connection->getQueryBuilder();
+		$updated = $query->update('calendars')
+			->set('components', $query->createNamedParameter('VEVENT'))
+			->where($query->expr()->eq('uri', $query->createNamedParameter(BirthdayService::BIRTHDAY_CALENDAR_URI)))
+			->execute();
+
+		$output->info("$updated birthday calendars updated.");
+	}
+}

wedding-pics/apps/dav/lib/Migration/RefreshWebcalJobRegistrar.php

@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2018 Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCA\DAV\BackgroundJob\RefreshWebcalJob;
+use OCP\BackgroundJob\IJobList;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class RefreshWebcalJobRegistrar implements IRepairStep {
+
+	/** @var IDBConnection */
+	private $connection;
+
+	/** @var IJobList */
+	private $jobList;
+
+	/**
+	 * FixBirthdayCalendarComponent constructor.
+	 *
+	 * @param IDBConnection $connection
+	 * @param IJobList $jobList
+	 */
+	public function __construct(IDBConnection $connection, IJobList $jobList) {
+		$this->connection = $connection;
+		$this->jobList = $jobList;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function getName() {
+		return 'Registering background jobs to update cache for webcal calendars';
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function run(IOutput $output) {
+		$query = $this->connection->getQueryBuilder();
+		$query->select(['principaluri', 'uri'])
+			->from('calendarsubscriptions');
+		$stmt = $query->execute();
+
+		$count = 0;
+		while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
+			$args = [
+				'principaluri' => $row['principaluri'],
+				'uri' => $row['uri'],
+			];
+
+			if (!$this->jobList->has(RefreshWebcalJob::class, $args)) {
+				$this->jobList->add(RefreshWebcalJob::class, $args);
+				$count++;
+			}
+		}
+
+		$output->info("Added $count background jobs to update webcal calendars");
+	}
+}

wedding-pics/apps/dav/lib/Migration/RegenerateBirthdayCalendars.php

@@ -0,0 +1,73 @@
+<?php
+/**
+ * @copyright 2019 Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCA\DAV\BackgroundJob\RegisterRegenerateBirthdayCalendars;
+use OCP\BackgroundJob\IJobList;
+use OCP\IConfig;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class RegenerateBirthdayCalendars implements IRepairStep {
+
+	/** @var IJobList */
+	private $jobList;
+
+	/** @var IConfig */
+	private $config;
+
+	/**
+	 * @param IJobList $jobList
+	 * @param IConfig $config
+	 */
+	public function __construct(IJobList $jobList,
+		IConfig $config) {
+		$this->jobList = $jobList;
+		$this->config = $config;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getName() {
+		return 'Regenerating birthday calendars to use new icons and fix old birthday events without year';
+	}
+
+	/**
+	 * @param IOutput $output
+	 */
+	public function run(IOutput $output) {
+		// only run once
+		if ($this->config->getAppValue('dav', 'regeneratedBirthdayCalendarsForYearFix') === 'yes') {
+			$output->info('Repair step already executed');
+			return;
+		}
+
+		$output->info('Adding background jobs to regenerate birthday calendar');
+		$this->jobList->add(RegisterRegenerateBirthdayCalendars::class);
+
+		// if all were done, no need to redo the repair during next upgrade
+		$this->config->setAppValue('dav', 'regeneratedBirthdayCalendarsForYearFix', 'yes');
+	}
+}

wedding-pics/apps/dav/lib/Migration/RegisterBuildReminderIndexBackgroundJob.php

@@ -0,0 +1,103 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2019 Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCA\DAV\BackgroundJob\BuildReminderIndexBackgroundJob;
+use OCP\BackgroundJob\IJobList;
+use OCP\IConfig;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+/**
+ * Class RegisterBuildReminderIndexBackgroundJob
+ *
+ * @package OCA\DAV\Migration
+ */
+class RegisterBuildReminderIndexBackgroundJob implements IRepairStep {
+
+	/** @var IDBConnection */
+	private $db;
+
+	/** @var IJobList */
+	private $jobList;
+
+	/** @var IConfig */
+	private $config;
+
+	/** @var string */
+	private const CONFIG_KEY = 'buildCalendarReminderIndex';
+
+	/**
+	 * @param IDBConnection $db
+	 * @param IJobList $jobList
+	 * @param IConfig $config
+	 */
+	public function __construct(IDBConnection $db,
+		IJobList $jobList,
+		IConfig $config) {
+		$this->db = $db;
+		$this->jobList = $jobList;
+		$this->config = $config;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getName() {
+		return 'Registering building of calendar reminder index as background job';
+	}
+
+	/**
+	 * @param IOutput $output
+	 */
+	public function run(IOutput $output) {
+		// only run once
+		if ($this->config->getAppValue('dav', self::CONFIG_KEY) === 'yes') {
+			$output->info('Repair step already executed');
+			return;
+		}
+
+		$query = $this->db->getQueryBuilder();
+		$query->select($query->createFunction('MAX(' . $query->getColumnName('id') . ')'))
+			->from('calendarobjects');
+		$result = $query->execute();
+		$maxId = (int) $result->fetchOne();
+		$result->closeCursor();
+
+		$output->info('Add background job');
+		$this->jobList->add(BuildReminderIndexBackgroundJob::class, [
+			'offset' => 0,
+			'stopAt' => $maxId
+		]);
+
+		// if all were done, no need to redo the repair during next upgrade
+		$this->config->setAppValue('dav', self::CONFIG_KEY, 'yes');
+	}
+}

wedding-pics/apps/dav/lib/Migration/RemoveClassifiedEventActivity.php

@@ -0,0 +1,136 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2019 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCA\DAV\CalDAV\CalDavBackend;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class RemoveClassifiedEventActivity implements IRepairStep {
+
+	/** @var IDBConnection */
+	private $connection;
+
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function getName() {
+		return 'Remove activity entries of private events';
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function run(IOutput $output) {
+		if (!$this->connection->tableExists('activity')) {
+			return;
+		}
+
+		$deletedEvents = $this->removePrivateEventActivity();
+		$deletedEvents += $this->removeConfidentialUncensoredEventActivity();
+
+		$output->info("Removed $deletedEvents activity entries");
+	}
+
+	protected function removePrivateEventActivity(): int {
+		$deletedEvents = 0;
+
+		$delete = $this->connection->getQueryBuilder();
+		$delete->delete('activity')
+			->where($delete->expr()->neq('affecteduser', $delete->createParameter('owner')))
+			->andWhere($delete->expr()->eq('object_type', $delete->createParameter('type')))
+			->andWhere($delete->expr()->eq('object_id', $delete->createParameter('calendar_id')))
+			->andWhere($delete->expr()->like('subjectparams', $delete->createParameter('event_uid')));
+
+		$query = $this->connection->getQueryBuilder();
+		$query->select('c.principaluri', 'o.calendarid', 'o.uid')
+			->from('calendarobjects', 'o')
+			->leftJoin('o', 'calendars', 'c', $query->expr()->eq('c.id', 'o.calendarid'))
+			->where($query->expr()->eq('o.classification', $query->createNamedParameter(CalDavBackend::CLASSIFICATION_PRIVATE)));
+		$result = $query->execute();
+
+		while ($row = $result->fetch()) {
+			if ($row['principaluri'] === null) {
+				continue;
+			}
+
+			$delete->setParameter('owner', $this->getPrincipal($row['principaluri']))
+				->setParameter('type', 'calendar')
+				->setParameter('calendar_id', $row['calendarid'])
+				->setParameter('event_uid', '%' . $this->connection->escapeLikeParameter('{"id":"' . $row['uid'] . '"') . '%');
+			$deletedEvents += $delete->execute();
+		}
+		$result->closeCursor();
+
+		return $deletedEvents;
+	}
+
+	protected function removeConfidentialUncensoredEventActivity(): int {
+		$deletedEvents = 0;
+
+		$delete = $this->connection->getQueryBuilder();
+		$delete->delete('activity')
+			->where($delete->expr()->neq('affecteduser', $delete->createParameter('owner')))
+			->andWhere($delete->expr()->eq('object_type', $delete->createParameter('type')))
+			->andWhere($delete->expr()->eq('object_id', $delete->createParameter('calendar_id')))
+			->andWhere($delete->expr()->like('subjectparams', $delete->createParameter('event_uid')))
+			->andWhere($delete->expr()->notLike('subjectparams', $delete->createParameter('filtered_name')));
+
+		$query = $this->connection->getQueryBuilder();
+		$query->select('c.principaluri', 'o.calendarid', 'o.uid')
+			->from('calendarobjects', 'o')
+			->leftJoin('o', 'calendars', 'c', $query->expr()->eq('c.id', 'o.calendarid'))
+			->where($query->expr()->eq('o.classification', $query->createNamedParameter(CalDavBackend::CLASSIFICATION_CONFIDENTIAL)));
+		$result = $query->execute();
+
+		while ($row = $result->fetch()) {
+			if ($row['principaluri'] === null) {
+				continue;
+			}
+
+			$delete->setParameter('owner', $this->getPrincipal($row['principaluri']))
+				->setParameter('type', 'calendar')
+				->setParameter('calendar_id', $row['calendarid'])
+				->setParameter('event_uid', '%' . $this->connection->escapeLikeParameter('{"id":"' . $row['uid'] . '"') . '%')
+				->setParameter('filtered_name', '%' . $this->connection->escapeLikeParameter('{"id":"' . $row['uid'] . '","name":"Busy"') . '%');
+			$deletedEvents += $delete->execute();
+		}
+		$result->closeCursor();
+
+		return $deletedEvents;
+	}
+
+	protected function getPrincipal(string $principalUri): string {
+		$uri = explode('/', $principalUri);
+		return array_pop($uri);
+	}
+}

wedding-pics/apps/dav/lib/Migration/RemoveDeletedUsersCalendarSubscriptions.php

@@ -0,0 +1,145 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2021 Thomas Citharel <nextcloud@tcit.fr>
+ *
+ * @author Thomas Citharel <nextcloud@tcit.fr>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\DB\Exception;
+use OCP\IDBConnection;
+use OCP\IUserManager;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class RemoveDeletedUsersCalendarSubscriptions implements IRepairStep {
+	/** @var IDBConnection */
+	private $connection;
+
+	/** @var IUserManager */
+	private $userManager;
+
+	/** @var int */
+	private $progress = 0;
+
+	/** @var int[] */
+	private $orphanSubscriptionIds = [];
+
+	private const SUBSCRIPTIONS_CHUNK_SIZE = 1000;
+
+	public function __construct(IDBConnection $connection, IUserManager $userManager) {
+		$this->connection = $connection;
+		$this->userManager = $userManager;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function getName(): string {
+		return 'Clean up old calendar subscriptions from deleted users that were not cleaned-up';
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function run(IOutput $output) {
+		$nbSubscriptions = $this->countSubscriptions();
+
+		$output->startProgress($nbSubscriptions);
+
+		while ($this->progress < $nbSubscriptions) {
+			$this->checkSubscriptions();
+
+			$this->progress += self::SUBSCRIPTIONS_CHUNK_SIZE;
+			$output->advance(min(self::SUBSCRIPTIONS_CHUNK_SIZE, $nbSubscriptions));
+		}
+		$output->finishProgress();
+		$this->deleteOrphanSubscriptions();
+
+		$output->info(sprintf('%d calendar subscriptions without an user have been cleaned up', count($this->orphanSubscriptionIds)));
+	}
+
+	/**
+	 * @throws Exception
+	 */
+	private function countSubscriptions(): int {
+		$qb = $this->connection->getQueryBuilder();
+		$query = $qb->select($qb->func()->count('*'))
+			->from('calendarsubscriptions');
+
+		$result = $query->execute();
+		$count = $result->fetchOne();
+		$result->closeCursor();
+
+		if ($count !== false) {
+			$count = (int)$count;
+		} else {
+			$count = 0;
+		}
+
+		return $count;
+	}
+
+	/**
+	 * @throws Exception
+	 */
+	private function checkSubscriptions(): void {
+		$qb = $this->connection->getQueryBuilder();
+		$query = $qb->selectDistinct(['id', 'principaluri'])
+			->from('calendarsubscriptions')
+			->setMaxResults(self::SUBSCRIPTIONS_CHUNK_SIZE)
+			->setFirstResult($this->progress);
+
+		$result = $query->execute();
+		while ($row = $result->fetch()) {
+			$username = $this->getPrincipal($row['principaluri']);
+			if (!$this->userManager->userExists($username)) {
+				$this->orphanSubscriptionIds[] = (int) $row['id'];
+			}
+		}
+		$result->closeCursor();
+	}
+
+	/**
+	 * @throws Exception
+	 */
+	private function deleteOrphanSubscriptions(): void {
+		foreach ($this->orphanSubscriptionIds as $orphanSubscriptionID) {
+			$this->deleteOrphanSubscription($orphanSubscriptionID);
+		}
+	}
+
+	/**
+	 * @throws Exception
+	 */
+	private function deleteOrphanSubscription(int $orphanSubscriptionID): void {
+		$qb = $this->connection->getQueryBuilder();
+		$qb->delete('calendarsubscriptions')
+			->where($qb->expr()->eq('id', $qb->createNamedParameter($orphanSubscriptionID)))
+			->executeStatement();
+	}
+
+	private function getPrincipal(string $principalUri): string {
+		$uri = explode('/', $principalUri);
+		return array_pop($uri);
+	}
+}

wedding-pics/apps/dav/lib/Migration/RemoveObjectProperties.php

@@ -0,0 +1,65 @@
+<?php
+/**
+ * @copyright Copyright (c) 2021, Thomas Citharel <nextcloud@tcit.fr>.
+ *
+ * @author Thomas Citharel <nextcloud@tcit.fr>
+ *
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class RemoveObjectProperties implements IRepairStep {
+	private const RESOURCE_TYPE_PROPERTY = '{DAV:}resourcetype';
+	private const ME_CARD_PROPERTY = '{http://calendarserver.org/ns/}me-card';
+	private const CALENDAR_TRANSP_PROPERTY = '{urn:ietf:params:xml:ns:caldav}schedule-calendar-transp';
+
+	/** @var IDBConnection */
+	private $connection;
+
+	/**
+	 * RemoveObjectProperties constructor.
+	 *
+	 * @param IDBConnection $connection
+	 */
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function getName() {
+		return 'Remove invalid object properties';
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function run(IOutput $output) {
+		$query = $this->connection->getQueryBuilder();
+		$updated = $query->delete('properties')
+			->where($query->expr()->in('propertyname', $query->createNamedParameter([self::RESOURCE_TYPE_PROPERTY, self::ME_CARD_PROPERTY, self::CALENDAR_TRANSP_PROPERTY], IQueryBuilder::PARAM_STR_ARRAY)))
+			->andWhere($query->expr()->eq('propertyvalue', $query->createNamedParameter('Object'), IQueryBuilder::PARAM_STR))
+			->executeStatement();
+
+		$output->info("$updated invalid object properties removed.");
+	}
+}

wedding-pics/apps/dav/lib/Migration/RemoveOrphanEventsAndContacts.php

@@ -0,0 +1,110 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2019 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Thomas Citharel <nextcloud@tcit.fr>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCA\DAV\CalDAV\CalDavBackend;
+use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class RemoveOrphanEventsAndContacts implements IRepairStep {
+
+	/** @var IDBConnection */
+	private $connection;
+
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function getName(): string {
+		return 'Clean up orphan event and contact data';
+	}
+
+	/**
+	 * @inheritdoc
+	 */
+	public function run(IOutput $output) {
+		$orphanItems = $this->removeOrphanChildren('calendarobjects', 'calendars', 'calendarid');
+		$output->info(sprintf('%d events without a calendar have been cleaned up', $orphanItems));
+		$orphanItems = $this->removeOrphanChildren('calendarobjects_props', 'calendarobjects', 'objectid');
+		$output->info(sprintf('%d properties without an events have been cleaned up', $orphanItems));
+		$orphanItems = $this->removeOrphanChildren('calendarchanges', 'calendars', 'calendarid');
+		$output->info(sprintf('%d changes without a calendar have been cleaned up', $orphanItems));
+
+		$orphanItems = $this->removeOrphanChildren('calendarobjects', 'calendarsubscriptions', 'calendarid');
+		$output->info(sprintf('%d cached events without a calendar subscription have been cleaned up', $orphanItems));
+		$orphanItems = $this->removeOrphanChildren('calendarchanges', 'calendarsubscriptions', 'calendarid');
+		$output->info(sprintf('%d changes without a calendar subscription have been cleaned up', $orphanItems));
+
+		$orphanItems = $this->removeOrphanChildren('cards', 'addressbooks', 'addressbookid');
+		$output->info(sprintf('%d contacts without an addressbook have been cleaned up', $orphanItems));
+		$orphanItems = $this->removeOrphanChildren('cards_properties', 'cards', 'cardid');
+		$output->info(sprintf('%d properties without a contact have been cleaned up', $orphanItems));
+		$orphanItems = $this->removeOrphanChildren('addressbookchanges', 'addressbooks', 'addressbookid');
+		$output->info(sprintf('%d changes without an addressbook have been cleaned up', $orphanItems));
+	}
+
+	protected function removeOrphanChildren($childTable, $parentTable, $parentId): int {
+		$qb = $this->connection->getQueryBuilder();
+
+		$qb->select('c.id')
+			->from($childTable, 'c')
+			->leftJoin('c', $parentTable, 'p', $qb->expr()->eq('c.' . $parentId, 'p.id'))
+			->where($qb->expr()->isNull('p.id'));
+
+		if (\in_array($parentTable, ['calendars', 'calendarsubscriptions'], true)) {
+			$calendarType = $parentTable === 'calendarsubscriptions' ? CalDavBackend::CALENDAR_TYPE_SUBSCRIPTION : CalDavBackend::CALENDAR_TYPE_CALENDAR;
+			$qb->andWhere($qb->expr()->eq('c.calendartype', $qb->createNamedParameter($calendarType, IQueryBuilder::PARAM_INT), IQueryBuilder::PARAM_INT));
+		}
+
+		$result = $qb->execute();
+
+		$orphanItems = [];
+		while ($row = $result->fetch()) {
+			$orphanItems[] = (int) $row['id'];
+		}
+		$result->closeCursor();
+
+		if (!empty($orphanItems)) {
+			$qb->delete($childTable)
+				->where($qb->expr()->in('id', $qb->createParameter('ids')));
+
+			$orphanItemsBatch = array_chunk($orphanItems, 200);
+			foreach ($orphanItemsBatch as $items) {
+				$qb->setParameter('ids', $items, IQueryBuilder::PARAM_INT_ARRAY);
+				$qb->execute();
+			}
+		}
+
+		return count($orphanItems);
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1004Date20170825134824.php

@@ -0,0 +1,496 @@
+<?php
+/**
+ * @copyright 2017, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ * @author Vincent Petry <vincent@nextcloud.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1004Date20170825134824 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @since 13.0.0
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if (!$schema->hasTable('addressbooks')) {
+			$table = $schema->createTable('addressbooks');
+			$table->addColumn('id', 'bigint', [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('principaluri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('displayname', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('uri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('description', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('synctoken', 'integer', [
+				'notnull' => true,
+				'default' => 1,
+				'length' => 10,
+				'unsigned' => true,
+			]);
+			$table->setPrimaryKey(['id']);
+			$table->addUniqueIndex(['principaluri', 'uri'], 'addressbook_index');
+		}
+
+		if (!$schema->hasTable('cards')) {
+			$table = $schema->createTable('cards');
+			$table->addColumn('id', 'bigint', [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('addressbookid', 'integer', [
+				'notnull' => true,
+				'default' => 0,
+			]);
+			$table->addColumn('carddata', 'blob', [
+				'notnull' => false,
+			]);
+			$table->addColumn('uri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('lastmodified', 'bigint', [
+				'notnull' => false,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('etag', 'string', [
+				'notnull' => false,
+				'length' => 32,
+			]);
+			$table->addColumn('size', 'bigint', [
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->setPrimaryKey(['id']);
+		}
+
+		if (!$schema->hasTable('addressbookchanges')) {
+			$table = $schema->createTable('addressbookchanges');
+			$table->addColumn('id', 'bigint', [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('uri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('synctoken', 'integer', [
+				'notnull' => true,
+				'default' => 1,
+				'length' => 10,
+				'unsigned' => true,
+			]);
+			$table->addColumn('addressbookid', 'integer', [
+				'notnull' => true,
+			]);
+			$table->addColumn('operation', 'smallint', [
+				'notnull' => true,
+				'length' => 1,
+			]);
+			$table->setPrimaryKey(['id']);
+			$table->addIndex(['addressbookid', 'synctoken'], 'addressbookid_synctoken');
+		}
+
+		if (!$schema->hasTable('calendarobjects')) {
+			$table = $schema->createTable('calendarobjects');
+			$table->addColumn('id', 'bigint', [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('calendardata', 'blob', [
+				'notnull' => false,
+			]);
+			$table->addColumn('uri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('calendarid', 'integer', [
+				'notnull' => true,
+				'length' => 10,
+				'unsigned' => true,
+			]);
+			$table->addColumn('lastmodified', 'integer', [
+				'notnull' => false,
+				'length' => 10,
+				'unsigned' => true,
+			]);
+			$table->addColumn('etag', 'string', [
+				'notnull' => false,
+				'length' => 32,
+			]);
+			$table->addColumn('size', 'bigint', [
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('componenttype', 'string', [
+				'notnull' => false,
+				'length' => 8,
+			]);
+			$table->addColumn('firstoccurence', 'bigint', [
+				'notnull' => false,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('lastoccurence', 'bigint', [
+				'notnull' => false,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('uid', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('classification', 'integer', [
+				'notnull' => false,
+				'default' => 0,
+			]);
+			$table->setPrimaryKey(['id']);
+			$table->addUniqueIndex(['calendarid', 'uri'], 'calobjects_index');
+		}
+
+		if (!$schema->hasTable('calendars')) {
+			$table = $schema->createTable('calendars');
+			$table->addColumn('id', 'bigint', [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('principaluri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('displayname', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('uri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('synctoken', 'integer', [
+				'notnull' => true,
+				'default' => 1,
+				'unsigned' => true,
+			]);
+			$table->addColumn('description', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('calendarorder', 'integer', [
+				'notnull' => true,
+				'default' => 0,
+				'unsigned' => true,
+			]);
+			$table->addColumn('calendarcolor', 'string', [
+				'notnull' => false,
+			]);
+			$table->addColumn('timezone', 'text', [
+				'notnull' => false,
+			]);
+			$table->addColumn('components', 'string', [
+				'notnull' => false,
+				'length' => 64,
+			]);
+			$table->addColumn('transparent', 'smallint', [
+				'notnull' => true,
+				'length' => 1,
+				'default' => 0,
+			]);
+			$table->setPrimaryKey(['id']);
+			$table->addUniqueIndex(['principaluri', 'uri'], 'calendars_index');
+		} else {
+			$table = $schema->getTable('calendars');
+			$table->changeColumn('components', [
+				'notnull' => false,
+				'length' => 64,
+			]);
+		}
+
+		if (!$schema->hasTable('calendarchanges')) {
+			$table = $schema->createTable('calendarchanges');
+			$table->addColumn('id', 'bigint', [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('uri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('synctoken', 'integer', [
+				'notnull' => true,
+				'default' => 1,
+				'length' => 10,
+				'unsigned' => true,
+			]);
+			$table->addColumn('calendarid', 'integer', [
+				'notnull' => true,
+			]);
+			$table->addColumn('operation', 'smallint', [
+				'notnull' => true,
+				'length' => 1,
+			]);
+			$table->setPrimaryKey(['id']);
+			$table->addIndex(['calendarid', 'synctoken'], 'calendarid_synctoken');
+		}
+
+		if (!$schema->hasTable('calendarsubscriptions')) {
+			$table = $schema->createTable('calendarsubscriptions');
+			$table->addColumn('id', 'bigint', [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('uri', 'string', [
+				'notnull' => false,
+			]);
+			$table->addColumn('principaluri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('source', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('displayname', 'string', [
+				'notnull' => false,
+				'length' => 100,
+			]);
+			$table->addColumn('refreshrate', 'string', [
+				'notnull' => false,
+				'length' => 10,
+			]);
+			$table->addColumn('calendarorder', 'integer', [
+				'notnull' => true,
+				'default' => 0,
+				'unsigned' => true,
+			]);
+			$table->addColumn('calendarcolor', 'string', [
+				'notnull' => false,
+			]);
+			$table->addColumn('striptodos', 'smallint', [
+				'notnull' => false,
+				'length' => 1,
+			]);
+			$table->addColumn('stripalarms', 'smallint', [
+				'notnull' => false,
+				'length' => 1,
+			]);
+			$table->addColumn('stripattachments', 'smallint', [
+				'notnull' => false,
+				'length' => 1,
+			]);
+			$table->addColumn('lastmodified', 'integer', [
+				'notnull' => false,
+				'unsigned' => true,
+			]);
+			$table->setPrimaryKey(['id']);
+			$table->addUniqueIndex(['principaluri', 'uri'], 'calsub_index');
+		} else {
+			$table = $schema->getTable('calendarsubscriptions');
+			$table->changeColumn('lastmodified', [
+				'notnull' => false,
+				'unsigned' => true,
+			]);
+		}
+
+		if (!$schema->hasTable('schedulingobjects')) {
+			$table = $schema->createTable('schedulingobjects');
+			$table->addColumn('id', 'bigint', [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('principaluri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('calendardata', 'blob', [
+				'notnull' => false,
+			]);
+			$table->addColumn('uri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('lastmodified', 'integer', [
+				'notnull' => false,
+				'unsigned' => true,
+			]);
+			$table->addColumn('etag', 'string', [
+				'notnull' => false,
+				'length' => 32,
+			]);
+			$table->addColumn('size', 'bigint', [
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->setPrimaryKey(['id']);
+			$table->addIndex(['principaluri'], 'schedulobj_principuri_index');
+		}
+
+		if (!$schema->hasTable('cards_properties')) {
+			$table = $schema->createTable('cards_properties');
+			$table->addColumn('id', 'bigint', [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('addressbookid', 'bigint', [
+				'notnull' => true,
+				'length' => 11,
+				'default' => 0,
+			]);
+			$table->addColumn('cardid', 'bigint', [
+				'notnull' => true,
+				'length' => 11,
+				'default' => 0,
+				'unsigned' => true,
+			]);
+			$table->addColumn('name', 'string', [
+				'notnull' => false,
+				'length' => 64,
+			]);
+			$table->addColumn('value', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('preferred', 'integer', [
+				'notnull' => true,
+				'length' => 4,
+				'default' => 1,
+			]);
+			$table->setPrimaryKey(['id']);
+			$table->addIndex(['cardid'], 'card_contactid_index');
+			$table->addIndex(['name'], 'card_name_index');
+			$table->addIndex(['value'], 'card_value_index');
+		}
+
+		if (!$schema->hasTable('calendarobjects_props')) {
+			$table = $schema->createTable('calendarobjects_props');
+			$table->addColumn('id', 'bigint', [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('calendarid', 'bigint', [
+				'notnull' => true,
+				'length' => 11,
+				'default' => 0,
+			]);
+			$table->addColumn('objectid', 'bigint', [
+				'notnull' => true,
+				'length' => 11,
+				'default' => 0,
+				'unsigned' => true,
+			]);
+			$table->addColumn('name', 'string', [
+				'notnull' => false,
+				'length' => 64,
+			]);
+			$table->addColumn('parameter', 'string', [
+				'notnull' => false,
+				'length' => 64,
+			]);
+			$table->addColumn('value', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->setPrimaryKey(['id']);
+			$table->addIndex(['objectid'], 'calendarobject_index');
+			$table->addIndex(['name'], 'calendarobject_name_index');
+			$table->addIndex(['value'], 'calendarobject_value_index');
+		}
+
+		if (!$schema->hasTable('dav_shares')) {
+			$table = $schema->createTable('dav_shares');
+			$table->addColumn('id', 'bigint', [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('principaluri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('type', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('access', 'smallint', [
+				'notnull' => false,
+				'length' => 1,
+			]);
+			$table->addColumn('resourceid', 'integer', [
+				'notnull' => true,
+				'unsigned' => true,
+			]);
+			$table->addColumn('publicuri', 'string', [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->setPrimaryKey(['id']);
+			$table->addUniqueIndex(['principaluri', 'resourceid', 'type', 'publicuri'], 'dav_shares_index');
+		}
+		return $schema;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1004Date20170919104507.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1004Date20170919104507 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @since 13.0.0
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('addressbooks');
+		$column = $table->getColumn('id');
+		$column->setUnsigned(true);
+
+		$table = $schema->getTable('calendarobjects');
+		$column = $table->getColumn('id');
+		$column->setUnsigned(true);
+
+		$table = $schema->getTable('calendarchanges');
+		$column = $table->getColumn('id');
+		$column->setUnsigned(true);
+
+		return $schema;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1004Date20170924124212.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * @copyright 2017, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1004Date20170924124212 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @since 13.0.0
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('cards');
+		$table->addIndex(['addressbookid'], 'cards_abid');
+		$table->addIndex(['addressbookid', 'uri'], 'cards_abiduri');
+
+		$table = $schema->getTable('cards_properties');
+		$table->addIndex(['addressbookid'], 'cards_prop_abid');
+
+		return $schema;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1004Date20170926103422.php

@@ -0,0 +1,53 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\Migration\BigIntMigration;
+
+/**
+ * Auto-generated migration step: Please modify to your needs!
+ */
+class Version1004Date20170926103422 extends BigIntMigration {
+
+	/**
+	 * @return array Returns an array with the following structure
+	 * ['table1' => ['column1', 'column2'], ...]
+	 * @since 13.0.0
+	 */
+	protected function getColumnsByTable() {
+		return [
+			'addressbooks' => ['id'],
+			'addressbookchanges' => ['id', 'addressbookid'],
+			'calendars' => ['id'],
+			'calendarchanges' => ['id', 'calendarid'],
+			'calendarobjects' => ['id', 'calendarid'],
+			'calendarobjects_props' => ['id', 'calendarid', 'objectid'],
+			'calendarsubscriptions' => ['id'],
+			'cards' => ['id', 'addressbookid'],
+			'cards_properties' => ['id', 'addressbookid', 'cardid'],
+			'dav_shares' => ['id', 'resourceid'],
+			'schedulingobjects' => ['id'],
+		];
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1005Date20180413093149.php

@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2018, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Daniel Kesselberg <mail@danielkesselberg.de>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1005Date20180413093149 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if (!$schema->hasTable('directlink')) {
+			$table = $schema->createTable('directlink');
+
+			$table->addColumn('id', Types::BIGINT, [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('user_id', Types::STRING, [
+				'notnull' => false,
+				'length' => 64,
+			]);
+			$table->addColumn('file_id', Types::BIGINT, [
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('token', Types::STRING, [
+				'notnull' => false,
+				'length' => 60,
+			]);
+			$table->addColumn('expiration', Types::BIGINT, [
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+
+			$table->setPrimaryKey(['id'], 'directlink_id_idx');
+			$table->addIndex(['token'], 'directlink_token_idx');
+			$table->addIndex(['expiration'], 'directlink_expiration_idx');
+
+			return $schema;
+		}
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1005Date20180530124431.php

@@ -0,0 +1,88 @@
+<?php
+/**
+ * @copyright 2017 Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Daniel Kesselberg <mail@danielkesselberg.de>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1005Date20180530124431 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @since 13.0.0
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$types = ['resources', 'rooms'];
+		foreach ($types as $type) {
+			if (!$schema->hasTable('calendar_' . $type)) {
+				$table = $schema->createTable('calendar_' . $type);
+
+				$table->addColumn('id', Types::BIGINT, [
+					'autoincrement' => true,
+					'notnull' => true,
+					'length' => 11,
+					'unsigned' => true,
+				]);
+				$table->addColumn('backend_id', Types::STRING, [
+					'notnull' => false,
+					'length' => 64,
+				]);
+				$table->addColumn('resource_id', Types::STRING, [
+					'notnull' => false,
+					'length' => 64,
+				]);
+				$table->addColumn('email', Types::STRING, [
+					'notnull' => false,
+					'length' => 255,
+				]);
+				$table->addColumn('displayname', Types::STRING, [
+					'notnull' => false,
+					'length' => 255,
+				]);
+				$table->addColumn('group_restrictions', Types::STRING, [
+					'notnull' => false,
+					'length' => 4000,
+				]);
+
+				$table->setPrimaryKey(['id']);
+				$table->addIndex(['backend_id', 'resource_id'], 'calendar_' . $type . '_bkdrsc');
+				$table->addIndex(['email'], 'calendar_' . $type . '_email');
+				$table->addIndex(['displayname'], 'calendar_' . $type . '_name');
+			}
+		}
+
+		return $schema;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1006Date20180619154313.php

@@ -0,0 +1,96 @@
+<?php
+/**
+ * @copyright Copyright (c) 2016 Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Daniel Kesselberg <mail@danielkesselberg.de>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Auto-generated migration step: Please modify to your needs!
+ */
+class Version1006Date20180619154313 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @since 13.0.0
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if (!$schema->hasTable('calendar_invitations')) {
+			$table = $schema->createTable('calendar_invitations');
+
+			$table->addColumn('id', Types::BIGINT, [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('uid', Types::STRING, [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('recurrenceid', Types::STRING, [
+				'notnull' => false,
+				'length' => 255,
+			]);
+			$table->addColumn('attendee', Types::STRING, [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('organizer', Types::STRING, [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('sequence', Types::BIGINT, [
+				'notnull' => false,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('token', Types::STRING, [
+				'notnull' => true,
+				'length' => 60,
+			]);
+			$table->addColumn('expiration', Types::BIGINT, [
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+
+			$table->setPrimaryKey(['id']);
+			$table->addIndex(['token'], 'calendar_invitation_tokens');
+
+			return $schema;
+		}
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1006Date20180628111625.php

@@ -0,0 +1,111 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2018 Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Daniel Kesselberg <mail@danielkesselberg.de>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1006Date20180628111625 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if ($schema->hasTable('calendarchanges')) {
+			$calendarChangesTable = $schema->getTable('calendarchanges');
+			$calendarChangesTable->addColumn('calendartype', Types::INTEGER, [
+				'notnull' => true,
+				'default' => 0,
+			]);
+
+			if ($calendarChangesTable->hasIndex('calendarid_synctoken')) {
+				$calendarChangesTable->dropIndex('calendarid_synctoken');
+			}
+			$calendarChangesTable->addIndex(['calendarid', 'calendartype', 'synctoken'], 'calid_type_synctoken');
+		}
+
+		if ($schema->hasTable('calendarobjects')) {
+			$calendarObjectsTable = $schema->getTable('calendarobjects');
+			$calendarObjectsTable->addColumn('calendartype', Types::INTEGER, [
+				'notnull' => true,
+				'default' => 0,
+			]);
+
+			if ($calendarObjectsTable->hasIndex('calobjects_index')) {
+				$calendarObjectsTable->dropIndex('calobjects_index');
+			}
+			$calendarObjectsTable->addUniqueIndex(['calendarid', 'calendartype', 'uri'], 'calobjects_index');
+		}
+
+		if ($schema->hasTable('calendarobjects_props')) {
+			$calendarObjectsPropsTable = $schema->getTable('calendarobjects_props');
+			$calendarObjectsPropsTable->addColumn('calendartype', Types::INTEGER, [
+				'notnull' => true,
+				'default' => 0,
+			]);
+
+
+			if ($calendarObjectsPropsTable->hasIndex('calendarobject_index')) {
+				$calendarObjectsPropsTable->dropIndex('calendarobject_index');
+			}
+			if ($calendarObjectsPropsTable->hasIndex('calendarobject_name_index')) {
+				$calendarObjectsPropsTable->dropIndex('calendarobject_name_index');
+			}
+			if ($calendarObjectsPropsTable->hasIndex('calendarobject_value_index')) {
+				$calendarObjectsPropsTable->dropIndex('calendarobject_value_index');
+			}
+
+			$calendarObjectsPropsTable->addIndex(['objectid', 'calendartype'], 'calendarobject_index');
+			$calendarObjectsPropsTable->addIndex(['name', 'calendartype'], 'calendarobject_name_index');
+			$calendarObjectsPropsTable->addIndex(['value', 'calendartype'], 'calendarobject_value_index');
+			$calendarObjectsPropsTable->addIndex(['calendarid', 'calendartype'], 'calendarobject_calid_index');
+		}
+
+		if ($schema->hasTable('calendarsubscriptions')) {
+			$calendarSubscriptionsTable = $schema->getTable('calendarsubscriptions');
+			$calendarSubscriptionsTable->addColumn('synctoken', 'integer', [
+				'notnull' => true,
+				'default' => 1,
+				'length' => 10,
+				'unsigned' => true,
+			]);
+		}
+
+		return $schema;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1008Date20181030113700.php

@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2018, John Molakvoæ (skjnldsv@protonmail.com)
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Daniel Kesselberg <mail@danielkesselberg.de>
+ * @author John Molakvoæ <skjnldsv@protonmail.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use Closure;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1008Date20181030113700 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('cards');
+		$table->addColumn('uid', Types::STRING, [
+			'notnull' => false,
+			'length' => 255
+		]);
+
+		return $schema;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1008Date20181105104826.php

@@ -0,0 +1,82 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2018 Georg Ehrke
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Daniel Kesselberg <mail@danielkesselberg.de>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1008Date20181105104826 extends SimpleMigrationStep {
+
+	/** @var IDBConnection */
+	private $connection;
+
+	/**
+	 * Version1008Date20181105104826 constructor.
+	 *
+	 * @param IDBConnection $connection
+	 */
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		$table = $schema->getTable('calendarsubscriptions');
+
+		$table->addColumn('source_copy', Types::TEXT, [
+			'notnull' => false,
+			'length' => null,
+		]);
+
+		return $schema;
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 */
+	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options) {
+		$qb = $this->connection->getQueryBuilder();
+		$qb->update('calendarsubscriptions')
+			->set('source_copy', 'source')
+			->execute();
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1008Date20181105104833.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2018 Georg Ehrke
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1008Date20181105104833 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		$table = $schema->getTable('calendarsubscriptions');
+		$table->dropColumn('source');
+
+		return $schema;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1008Date20181105110300.php

@@ -0,0 +1,81 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2018 Georg Ehrke
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Daniel Kesselberg <mail@danielkesselberg.de>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1008Date20181105110300 extends SimpleMigrationStep {
+
+	/** @var IDBConnection */
+	private $connection;
+
+	/**
+	 * Version1008Date20181105110300 constructor.
+	 *
+	 * @param IDBConnection $connection
+	 */
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		$table = $schema->getTable('calendarsubscriptions');
+		$table->addColumn('source', Types::TEXT, [
+			'notnull' => false,
+			'length' => null,
+		]);
+
+		return $schema;
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 */
+	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options) {
+		$qb = $this->connection->getQueryBuilder();
+		$qb->update('calendarsubscriptions')
+			->set('source', 'source_copy')
+			->execute();
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1008Date20181105112049.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2018 Georg Ehrke
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1008Date20181105112049 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		$table = $schema->getTable('calendarsubscriptions');
+		$table->dropColumn('source_copy');
+
+		return $schema;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1008Date20181114084440.php

@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2018, Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1008Date20181114084440 extends SimpleMigrationStep {
+
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if ($schema->hasTable('calendarchanges')) {
+			$calendarChangesTable = $schema->getTable('calendarchanges');
+			if ($calendarChangesTable->hasIndex('calendarid_calendartype_synctoken')) {
+				$calendarChangesTable->dropIndex('calendarid_calendartype_synctoken');
+			}
+
+			if (!$calendarChangesTable->hasIndex('calid_type_synctoken')) {
+				$calendarChangesTable->addIndex(['calendarid', 'calendartype', 'synctoken'], 'calid_type_synctoken');
+			}
+		}
+
+		return $schema;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1011Date20190725113607.php

@@ -0,0 +1,92 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2016 Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Daniel Kesselberg <mail@danielkesselberg.de>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Auto-generated migration step: Please modify to your needs!
+ */
+class Version1011Date20190725113607 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @since 13.0.0
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$types = ['resource', 'room'];
+		foreach ($types as $type) {
+			if (!$schema->hasTable($this->getMetadataTableName($type))) {
+				$table = $schema->createTable($this->getMetadataTableName($type));
+
+				$table->addColumn('id', Types::BIGINT, [
+					'autoincrement' => true,
+					'notnull' => true,
+					'length' => 11,
+					'unsigned' => true,
+				]);
+				$table->addColumn($type . '_id', Types::BIGINT, [
+					'notnull' => true,
+					'length' => 11,
+					'unsigned' => true,
+				]);
+				$table->addColumn('key', Types::STRING, [
+					'notnull' => true,
+					'length' => 255,
+				]);
+				$table->addColumn('value', Types::STRING, [
+					'notnull' => false,
+					'length' => 4000,
+				]);
+
+				$table->setPrimaryKey(['id']);
+				$table->addIndex([$type . '_id', 'key'], $this->getMetadataTableName($type) . '_idk');
+			}
+		}
+
+		return $schema;
+	}
+
+	/**
+	 * @param string $type
+	 * @return string
+	 */
+	private function getMetadataTableName(string $type):string {
+		return 'calendar_' . $type . 's_md';
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1011Date20190806104428.php

@@ -0,0 +1,78 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2016 Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Daniel Kesselberg <mail@danielkesselberg.de>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Auto-generated migration step: Please modify to your needs!
+ */
+class Version1011Date20190806104428 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->createTable('dav_cal_proxy');
+		$table->addColumn('id', Types::BIGINT, [
+			'autoincrement' => true,
+			'notnull' => true,
+			'length' => 11,
+			'unsigned' => true,
+		]);
+		$table->addColumn('owner_id', Types::STRING, [
+			'notnull' => true,
+			'length' => 64,
+		]);
+		$table->addColumn('proxy_id', Types::STRING, [
+			'notnull' => true,
+			'length' => 64,
+		]);
+		$table->addColumn('permissions', Types::INTEGER, [
+			'notnull' => false,
+			'length' => 4,
+			'unsigned' => true,
+		]);
+
+		$table->setPrimaryKey(['id']);
+		$table->addUniqueIndex(['owner_id', 'proxy_id', 'permissions'], 'dav_cal_proxy_uidx');
+		$table->addIndex(['proxy_id'], 'dav_cal_proxy_ipid');
+
+		return $schema;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1012Date20190808122342.php

@@ -0,0 +1,124 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2019, Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ * @author Daniel Kesselberg <mail@danielkesselberg.de>
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ * @author Joas Schilling <coding@schilljs.com>
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Auto-generated migration step: Please modify to your needs!
+ */
+class Version1012Date20190808122342 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @since 17.0.0
+	 */
+	public function changeSchema(IOutput $output,
+		\Closure $schemaClosure,
+		array $options):?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if (!$schema->hasTable('calendar_reminders')) {
+			$table = $schema->createTable('calendar_reminders');
+
+			$table->addColumn('id', Types::BIGINT, [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('calendar_id', Types::BIGINT, [
+				'notnull' => true,
+				'length' => 11,
+			]);
+			$table->addColumn('object_id', Types::BIGINT, [
+				'notnull' => true,
+				'length' => 11,
+			]);
+			$table->addColumn('is_recurring', Types::SMALLINT, [
+				'notnull' => false,
+				'length' => 1,
+			]);
+			$table->addColumn('uid', Types::STRING, [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('recurrence_id', Types::BIGINT, [
+				'notnull' => false,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('is_recurrence_exception', Types::SMALLINT, [
+				'notnull' => true,
+				'length' => 1,
+			]);
+			$table->addColumn('event_hash', Types::STRING, [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('alarm_hash', Types::STRING, [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('type', Types::STRING, [
+				'notnull' => true,
+				'length' => 255,
+			]);
+			$table->addColumn('is_relative', Types::SMALLINT, [
+				'notnull' => true,
+				'length' => 1,
+			]);
+			$table->addColumn('notification_date', Types::BIGINT, [
+				'notnull' => true,
+				'length' => 11,
+				'unsigned' => true,
+			]);
+			$table->addColumn('is_repeat_based', Types::SMALLINT, [
+				'notnull' => true,
+				'length' => 1,
+			]);
+
+			$table->setPrimaryKey(['id']);
+			$table->addIndex(['object_id'], 'calendar_reminder_objid');
+			$table->addIndex(['uid', 'recurrence_id'], 'calendar_reminder_uidrec');
+
+			return $schema;
+		}
+
+		return null;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1016Date20201109085907.php

@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2020 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1016Date20201109085907 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$result = $this->ensureColumnIsNullable($schema, 'calendar_reminders', 'is_recurring');
+
+		return $result ? $schema : null;
+	}
+
+	protected function ensureColumnIsNullable(ISchemaWrapper $schema, string $tableName, string $columnName): bool {
+		$table = $schema->getTable($tableName);
+		$column = $table->getColumn($columnName);
+
+		if ($column->getNotnull()) {
+			$column->setNotnull(false);
+			return true;
+		}
+
+		return false;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1017Date20210216083742.php

@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2021 Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Auto-generated migration step: Please modify to your needs!
+ */
+class Version1017Date20210216083742 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$table = $schema->getTable('dav_cal_proxy');
+		if ($table->hasIndex('dav_cal_proxy_ioid')) {
+			$table->dropIndex('dav_cal_proxy_ioid');
+		}
+
+		return $schema;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1018Date20210312100735.php

@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2016 Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @author Christoph Wurst <christoph@winzerhof-wurst.at>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1018Date20210312100735 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		$calendarsTable = $schema->getTable('calendars');
+		$calendarsTable->addColumn('deleted_at', Types::INTEGER, [
+			'notnull' => false,
+			'length' => 4,
+			'unsigned' => true,
+		]);
+		$calendarsTable->addIndex([
+			'principaluri',
+			'deleted_at',
+		], 'cals_princ_del_idx');
+
+		$calendarObjectsTable = $schema->getTable('calendarobjects');
+		$calendarObjectsTable->addColumn('deleted_at', Types::INTEGER, [
+			'notnull' => false,
+			'length' => 4,
+			'unsigned' => true,
+		]);
+
+		return $schema;
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1024Date20211221144219.php

@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+namespace OCA\DAV\Migration;
+
+use Closure;
+use Doctrine\DBAL\Schema\SchemaException;
+use OCA\DAV\DAV\CustomPropertiesBackend;
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+/**
+ * Auto-generated migration step: Please modify to your needs!
+ */
+class Version1024Date20211221144219 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 */
+	public function preSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @throws SchemaException
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		$propertiesTable = $schema->getTable('properties');
+
+		if ($propertiesTable->hasColumn('valuetype')) {
+			return null;
+		}
+		$propertiesTable->addColumn('valuetype', Types::SMALLINT, [
+			'notnull' => false,
+			'default' => CustomPropertiesBackend::PROPERTY_TYPE_STRING
+		]);
+
+		return $schema;
+	}
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 */
+	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1027Date20230504122946.php

@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2023 Anna Larch <anna.larch@gmx.net>
+ *
+ * @author Anna Larch <anna.larch@gmx.net>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\DAV\Migration;
+
+use Closure;
+use OCA\DAV\CardDAV\SyncService;
+use OCP\DB\ISchemaWrapper;
+use OCP\IConfig;
+use OCP\IUserManager;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+use Psr\Log\LoggerInterface;
+use Throwable;
+
+class Version1027Date20230504122946 extends SimpleMigrationStep {
+	public function __construct(private SyncService $syncService,
+		private LoggerInterface $logger,
+		private IUserManager $userManager,
+		private IConfig $config) {
+	}
+	/**
+	 * @param IOutput $output
+	 * @param Closure(): ISchemaWrapper $schemaClosure
+	 * @param array $options
+	 */
+	public function postSchemaChange(IOutput $output, Closure $schemaClosure, array $options): void {
+		if($this->userManager->countSeenUsers() > 100 || array_sum($this->userManager->countUsers()) > 100) {
+			$this->config->setAppValue('dav', 'needs_system_address_book_sync', 'yes');
+			$output->info('Could not sync system address books during update - too many user records have been found. Please call occ dav:sync-system-addressbook manually.');
+			return;
+		}
+
+		try {
+			$this->syncService->syncInstance();
+			$this->config->setAppValue('dav', 'needs_system_address_book_sync', 'no');
+		} catch (Throwable $e) {
+			$this->config->setAppValue('dav', 'needs_system_address_book_sync', 'yes');
+			$this->logger->error('Could not sync system address books during update', [
+				'exception' => $e,
+			]);
+			$output->warning('System address book sync failed. See logs for details');
+		}
+	}
+}

wedding-pics/apps/dav/lib/Migration/Version1029Date20221114151721.php

@@ -0,0 +1,55 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2022 Murena SAS <akhil.potukuchi.ext@murena.com>
+ *
+ * @author Murena SAS <akhil.potukuchi.ext@murena.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\DAV\Migration;
+
+use Closure;
+use Doctrine\DBAL\Schema\SchemaException;
+use OCP\DB\ISchemaWrapper;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1029Date20221114151721 extends SimpleMigrationStep {
+
+	/**
+	 * @param IOutput $output
+	 * @param Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 * @throws SchemaException
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+		$calendarObjectsTable = $schema->getTable('calendarobjects');
+		if(!$calendarObjectsTable->hasIndex('calobj_clssfction_index')) {
+			$calendarObjectsTable->addIndex(['classification'], 'calobj_clssfction_index');
+			return $schema;
+		}
+		return null;
+	}
+
+}

wedding-pics/apps/dav/lib/Migration/Version1029Date20231004091403.php

@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2023 Richard Steinmetz <richard@steinmetz.cloud>
+ *
+ * @author Richard Steinmetz <richard@steinmetz.cloud>
+ *
+ * @license AGPL-3.0-or-later
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\DAV\Migration;
+
+use Closure;
+use OCP\DB\ISchemaWrapper;
+use OCP\DB\Types;
+use OCP\Migration\IOutput;
+use OCP\Migration\SimpleMigrationStep;
+
+class Version1029Date20231004091403 extends SimpleMigrationStep {
+	/**
+	 * @param IOutput $output
+	 * @param Closure(): ISchemaWrapper $schemaClosure
+	 * @param array $options
+	 * @return null|ISchemaWrapper
+	 */
+	public function changeSchema(IOutput $output, Closure $schemaClosure, array $options): ?ISchemaWrapper {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if (!$schema->hasTable('dav_absence')) {
+			$table = $schema->createTable('dav_absence');
+			$table->addColumn('id', Types::INTEGER, [
+				'autoincrement' => true,
+				'notnull' => true,
+				'length' => 4,
+			]);
+			$table->addColumn('user_id', Types::STRING, [
+				'notnull' => true,
+				'length' => 64,
+			]);
+			$table->addColumn('first_day', Types::STRING, [
+				'length' => 10,
+				'notnull' => true,
+			]);
+			$table->addColumn('last_day', Types::STRING, [
+				'length' => 10,
+				'notnull' => true,
+			]);
+			$table->addColumn('status', Types::STRING, [
+				'length' => 100,
+				'notnull' => true,
+			]);
+			$table->addColumn('message', Types::TEXT, [
+				'notnull' => true,
+			]);
+			$table->addUniqueIndex(['user_id'], 'dav_absence_uid_idx');
+		} else {
+			$table = $schema->getTable('dav_absence');
+		}
+
+		if ($table->getPrimaryKey() === null) {
+			$table->setPrimaryKey(['id'], 'dav_absence_id_idx');
+		}
+
+		return $schema;
+	}
+}