added SubscriptionsCleanup background job

Author: JonathanTreffler

appinfo/info.xml

@@ -33,6 +33,9 @@ This Nextcloud extension has been developed by [@verdigado](https://github.com/v
         <database>mysql</database>
         <nextcloud min-version="28" max-version="30"/>
     </dependencies>
+    <background-jobs>
+        <job>OCA\DavPush\BackgroundJob\SubscriptionsCleanup</job>
+    </background-jobs>
     <commands>
         <command>OCA\DavPush\Command\Subscription\ListSubscriptions</command>
         <command>OCA\DavPush\Command\Subscription\SubscriptionsCleanup</command>

lib/BackgroundJob/SubscriptionsCleanup.php

@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright 2025 Jonathan Treffler <mail@jonathan-treffler.de>
+ *
+ * @author Jonathan Treffler <mail@jonathan-treffler.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\DavPush\BackgroundJob;
+
+use Psr\Log\LoggerInterface;
+
+use OCP\BackgroundJob\TimedJob;
+use OCP\AppFramework\Utility\ITimeFactory;
+
+use OCA\DavPush\Service\SubscriptionService;
+
+class SubscriptionsCleanup extends TimedJob {
+    
+    public function __construct(
+        private LoggerInterface $logger,
+        private SubscriptionService $subscriptionService,
+        ITimeFactory $time
+    ) {
+        parent::__construct($time);
+
+        // Run once an hour
+        $this->setInterval(3600);
+    }
+
+    protected function run($arguments) {
+        $result = $this->subscriptionService->cleanupAll();
+        
+        $this->logger->info("DAV Push background job deleted " . $result . " expired/failing subscriptions");
+    }
+}