1 files changed, 73 insertions, 0 deletions
diff --git a/apps/dav/lib/Command/FixCalendarSyncCommand.php b/apps/dav/lib/Command/FixCalendarSyncCommand.php
new file mode 100644
index 00000000000..cb31355c10d
--- /dev/null
+++ b/apps/dav/lib/Command/FixCalendarSyncCommand.php
@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\DAV\Command;
+
+use OCA\DAV\CalDAV\CalDavBackend;
+use OCP\IUser;
+use OCP\IUserManager;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\ProgressBar;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class FixCalendarSyncCommand extends Command {
+
+	public function __construct(
+		private IUserManager $userManager,
+		private CalDavBackend $calDavBackend,
+	) {
+		parent::__construct('dav:fix-missing-caldav-changes');
+	}
+
+	protected function configure(): void {
+		$this->setDescription('Insert missing calendarchanges rows for existing events');
+		$this->addArgument(
+			'user',
+			InputArgument::OPTIONAL,
+			'User to fix calendar sync tokens for, if omitted all users will be fixed',
+			null,
+		);
+	}
+
+	public function execute(InputInterface $input, OutputInterface $output): int {
+		$userArg = $input->getArgument('user');
+		if ($userArg !== null) {
+			$user = $this->userManager->get($userArg);
+			if ($user === null) {
+				$output->writeln("<error>User $userArg does not exist</error>");
+				return self::FAILURE;
+			}
+
+			$this->fixUserCalendars($user);
+		} else {
+			$progress = new ProgressBar($output);
+			$this->userManager->callForSeenUsers(function (IUser $user) use ($progress): void {
+				$this->fixUserCalendars($user, $progress);
+			});
+			$progress->finish();
+		}
+		$output->writeln('');
+		return self::SUCCESS;
+	}
+
+	private function fixUserCalendars(IUser $user, ?ProgressBar $progress = null): void {
+		$calendars = $this->calDavBackend->getCalendarsForUser('principals/users/' . $user->getUID());
+
+		foreach ($calendars as $calendar) {
+			$this->calDavBackend->restoreChanges($calendar['id']);
+		}
+
+		if ($progress !== null) {
+			$progress->advance();
+		}
+	}
+
+}