1 files changed, 53 insertions, 0 deletions
diff --git a/apps/settings/lib/SetupChecks/MaintenanceWindowStart.php b/apps/settings/lib/SetupChecks/MaintenanceWindowStart.php
new file mode 100644
index 00000000000..ca8df039b1e
--- /dev/null
+++ b/apps/settings/lib/SetupChecks/MaintenanceWindowStart.php
@@ -0,0 +1,53 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Settings\SetupChecks;
+
+use OCP\IConfig;
+use OCP\IL10N;
+use OCP\IURLGenerator;
+use OCP\SetupCheck\ISetupCheck;
+use OCP\SetupCheck\SetupResult;
+
+class MaintenanceWindowStart implements ISetupCheck {
+	public function __construct(
+		private IL10N $l10n,
+		private IURLGenerator $urlGenerator,
+		private IConfig $config,
+	) {
+	}
+
+	public function getCategory(): string {
+		return 'system';
+	}
+
+	public function getName(): string {
+		return $this->l10n->t('Maintenance window start');
+	}
+
+	public function run(): SetupResult {
+		$configValue = $this->config->getSystemValue('maintenance_window_start', null);
+		if ($configValue === null) {
+			return SetupResult::warning(
+				$this->l10n->t('Server has no maintenance window start time configured. This means resource intensive daily background jobs will also be executed during your main usage time. We recommend to set it to a time of low usage, so users are less impacted by the load caused from these heavy tasks.'),
+				$this->urlGenerator->linkToDocs('admin-background-jobs')
+			);
+		}
+
+		$startValue = (int)$configValue;
+		$endValue = ($startValue + 6) % 24;
+		return SetupResult::success(
+			str_replace(
+				['{start}', '{end}'],
+				[$startValue, $endValue],
+				$this->l10n->t('Maintenance window to execute heavy background jobs is between {start}:00 UTC and {end}:00 UTC')
+			)
+		);
+	}
+}