From c89e3c2f74d6f0bf253dddc18a4a4d305821cbe7 Mon Sep 17 00:00:00 2001
From: Robin Appelman <robin@icewind.nl>
Date: Mon, 7 Apr 2025 18:12:42 +0200
Subject: feat: move file cache to a background job

Signed-off-by: Robin Appelman <robin@icewind.nl>
---
 core/BackgroundJobs/FileCacheGcJob.php | 58 ++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 core/BackgroundJobs/FileCacheGcJob.php

(limited to 'core/BackgroundJobs/FileCacheGcJob.php')

diff --git a/core/BackgroundJobs/FileCacheGcJob.php b/core/BackgroundJobs/FileCacheGcJob.php
new file mode 100644
index 00000000000..e0c8a1d7881
--- /dev/null
+++ b/core/BackgroundJobs/FileCacheGcJob.php
@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OC\Core\BackgroundJobs;
+
+use OC\Cache\File;
+use OCP\AppFramework\Utility\ITimeFactory;
+use OCP\BackgroundJob\TimedJob;
+use OCP\IAppConfig;
+use OCP\IUserManager;
+use Psr\Log\LoggerInterface;
+
+class FileCacheGcJob extends TimedJob {
+	public function __construct(
+		ITimeFactory $time,
+		private readonly LoggerInterface $logger,
+		private readonly IAppConfig $appConfig,
+		private readonly IUserManager $userManager,
+	) {
+		parent::__construct($time);
+
+		$this->setTimeSensitivity(self::TIME_INSENSITIVE);
+		$this->setInterval(24 * 60 * 60);
+	}
+
+	protected function run(mixed $argument): void {
+		$offset = $this->appConfig->getValueInt('core', 'files_gc_offset');
+
+		$users = $this->userManager->getSeenUsers($offset);
+		$start = time();
+		$count = 0;
+		foreach ($users as $user) {
+			$cache = new File();
+			try {
+				$cache->gc($user);
+			} catch (\Exception $e) {
+				$this->logger->warning('Exception when running cache gc.', [
+					'app' => 'core',
+					'exception' => $e,
+				]);
+			}
+			$count++;
+			$now = time();
+
+			// almost time for the next job run, stop early and save our location
+			if ($now - $start > 23 * 60 * 60) {
+				$this->appConfig->setValueInt('core', 'files_gc_offset', $offset + $count);
+				return;
+			}
+		}
+		$this->appConfig->setValueInt('core', 'files_gc_offset', 0);
+	}
+}
-- 
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