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Editing: ActivityUpdaterListener.php

<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */
namespace OCA\DAV\Listener;

use OCA\DAV\CalDAV\Activity\Backend as ActivityBackend;
use OCA\DAV\DAV\Sharing\Plugin;
use OCA\DAV\Events\CalendarCreatedEvent;
use OCA\DAV\Events\CalendarDeletedEvent;
use OCA\DAV\Events\CalendarMovedToTrashEvent;
use OCA\DAV\Events\CalendarRestoredEvent;
use OCA\DAV\Events\CalendarUpdatedEvent;
use OCP\Calendar\Events\CalendarObjectCreatedEvent;
use OCP\Calendar\Events\CalendarObjectDeletedEvent;
use OCP\Calendar\Events\CalendarObjectMovedEvent;
use OCP\Calendar\Events\CalendarObjectMovedToTrashEvent;
use OCP\Calendar\Events\CalendarObjectRestoredEvent;
use OCP\Calendar\Events\CalendarObjectUpdatedEvent;
use OCP\EventDispatcher\Event;
use OCP\EventDispatcher\IEventListener;
use Psr\Log\LoggerInterface;
use Throwable;
use function sprintf;

/** @template-implements IEventListener<CalendarCreatedEvent|CalendarUpdatedEvent|CalendarMovedToTrashEvent|CalendarRestoredEvent|CalendarDeletedEvent|CalendarObjectCreatedEvent|CalendarObjectUpdatedEvent|CalendarObjectMovedEvent|CalendarObjectMovedToTrashEvent|CalendarObjectRestoredEvent|CalendarObjectDeletedEvent> */
class ActivityUpdaterListener implements IEventListener {

public function __construct(
		private ActivityBackend $activityBackend,
		private LoggerInterface $logger,
	) {
	}

public function handle(Event $event): void {
		if ($event instanceof CalendarCreatedEvent) {
			try {
				$this->activityBackend->onCalendarAdd(
					$event->getCalendarData()
				);

$this->logger->debug(
					sprintf('Activity generated for new calendar %d', $event->getCalendarId())
				);
			} catch (Throwable $e) {
				// Any error with activities shouldn't abort the calendar creation, so we just log it
				$this->logger->error('Error generating activities for a new calendar: ' . $e->getMessage(), [
					'exception' => $e,
				]);
			}
		} elseif ($event instanceof CalendarUpdatedEvent) {
			try {
				$this->activityBackend->onCalendarUpdate(
					$event->getCalendarData(),
					$event->getShares(),
					$event->getMutations()
				);

$this->logger->debug(
					sprintf('Activity generated for changed calendar %d', $event->getCalendarId())
				);
			} catch (Throwable $e) {
				// Any error with activities shouldn't abort the calendar update, so we just log it
				$this->logger->error('Error generating activities for changed calendar: ' . $e->getMessage(), [
					'exception' => $e,
				]);
			}
		} elseif ($event instanceof CalendarDeletedEvent) {
			try {
				$deletedProp = '{' . Plugin::NS_NEXTCLOUD . '}deleted-at';
				if (isset($event->getCalendarData()[$deletedProp])) {
					$this->logger->debug(
						sprintf('Calendar %d was already in trashbin, skipping deletion activity', $event->getCalendarId())
					);
				} else {
					$this->activityBackend->onCalendarDelete(
						$event->getCalendarData(),
						$event->getShares()
					);

$this->logger->debug(
						sprintf('Activity generated for deleted calendar %d', $event->getCalendarId())
					);
				}
			} catch (Throwable $e) {
				// Any error with activities shouldn't abort the calendar deletion, so we just log it
				$this->logger->error('Error generating activities for a deleted calendar: ' . $e->getMessage(), [
					'exception' => $e,
				]);
			}
		} elseif ($event instanceof CalendarObjectCreatedEvent) {
			try {
				$this->activityBackend->onTouchCalendarObject(
					\OCA\DAV\CalDAV\Activity\Provider\Event::SUBJECT_OBJECT_ADD,
					$event->getCalendarData(),
					$event->getShares(),
					$event->getObjectData()
				);

$this->logger->debug(
					sprintf('Activity generated for new calendar object in calendar %d', $event->getCalendarId())
				);
			} catch (Throwable $e) {
				// Any error with activities shouldn't abort the calendar object creation, so we just log it
				$this->logger->error('Error generating activity for a new calendar object: ' . $e->getMessage(), [
					'exception' => $e,
				]);
			}
		} elseif ($event instanceof CalendarObjectUpdatedEvent) {
			try {
				$this->activityBackend->onTouchCalendarObject(
					\OCA\DAV\CalDAV\Activity\Provider\Event::SUBJECT_OBJECT_UPDATE,
					$event->getCalendarData(),
					$event->getShares(),
					$event->getObjectData()
				);

$this->logger->debug(
					sprintf('Activity generated for updated calendar object in calendar %d', $event->getCalendarId())
				);
			} catch (Throwable $e) {
				// Any error with activities shouldn't abort the calendar deletion, so we just log it
				$this->logger->error('Error generating activity for a deleted calendar object: ' . $e->getMessage(), [
					'exception' => $e,
				]);
			}
		} elseif ($event instanceof CalendarObjectMovedEvent) {
			try {
				$this->activityBackend->onMovedCalendarObject(
					$event->getSourceCalendarData(),
					$event->getTargetCalendarData(),
					$event->getSourceShares(),
					$event->getTargetShares(),
					$event->getObjectData()
				);

$this->logger->debug(
					sprintf('Activity generated for moved calendar object from calendar %d to calendar %d', $event->getSourceCalendarId(), $event->getTargetCalendarId())
				);
			} catch (Throwable $e) {
				// Any error with activities shouldn't abort the calendar deletion, so we just log it
				$this->logger->error('Error generating activity for a deleted calendar object: ' . $e->getMessage(), [
					'exception' => $e,
				]);
			}
		} elseif ($event instanceof CalendarObjectMovedToTrashEvent) {
			try {
				$this->activityBackend->onTouchCalendarObject(
					\OCA\DAV\CalDAV\Activity\Provider\Event::SUBJECT_OBJECT_MOVE_TO_TRASH,
					$event->getCalendarData(),
					$event->getShares(),
					$event->getObjectData()
				);

$this->logger->debug(
					sprintf('Activity generated for a calendar object of calendar %d that is moved to trash', $event->getCalendarId())
				);
			} catch (Throwable $e) {
				// Any error with activities shouldn't abort the calendar object creation, so we just log it
				$this->logger->error('Error generating activity for a new calendar object: ' . $e->getMessage(), [
					'exception' => $e,
				]);
			}
		} elseif ($event instanceof CalendarObjectRestoredEvent) {
			try {
				$this->activityBackend->onTouchCalendarObject(
					\OCA\DAV\CalDAV\Activity\Provider\Event::SUBJECT_OBJECT_RESTORE,
					$event->getCalendarData(),
					$event->getShares(),
					$event->getObjectData()
				);

$this->logger->debug(
					sprintf('Activity generated for a restore calendar object of calendar %d', $event->getCalendarId())
				);
			} catch (Throwable $e) {
				// Any error with activities shouldn't abort the calendar object restoration, so we just log it
				$this->logger->error('Error generating activity for a restored calendar object: ' . $e->getMessage(), [
					'exception' => $e,
				]);
			}
		} elseif ($event instanceof CalendarObjectDeletedEvent) {
			try {
				$deletedProp = '{' . Plugin::NS_NEXTCLOUD . '}deleted-at';
				if (isset($event->getObjectData()[$deletedProp])) {
					$this->logger->debug(
						sprintf('Calendar object in calendar %d was already in trashbin, skipping deletion activity', $event->getCalendarId())
					);
				} else {
					$this->activityBackend->onTouchCalendarObject(
						\OCA\DAV\CalDAV\Activity\Provider\Event::SUBJECT_OBJECT_DELETE,
						$event->getCalendarData(),
						$event->getShares(),
						$event->getObjectData()
					);

$this->logger->debug(
						sprintf('Activity generated for deleted calendar object in calendar %d', $event->getCalendarId())
					);
				}
			} catch (Throwable $e) {
				// Any error with activities shouldn't abort the calendar deletion, so we just log it
				$this->logger->error('Error generating activity for a deleted calendar object: ' . $e->getMessage(), [
					'exception' => $e,
				]);
			}
		}
	}
}

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