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path: root/apps/dav/lib/Listener/DavAdminSettingsListener.php
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<?php

declare(strict_types=1);
/**
 * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */
namespace OCA\DAV\Listener;

use OCA\DAV\AppInfo\Application;
use OCP\EventDispatcher\Event;
use OCP\EventDispatcher\IEventListener;
use OCP\IAppConfig;
use OCP\Settings\Events\DeclarativeSettingsGetValueEvent;
use OCP\Settings\Events\DeclarativeSettingsSetValueEvent;

/** @template-implements IEventListener<DeclarativeSettingsGetValueEvent|DeclarativeSettingsSetValueEvent> */
class DavAdminSettingsListener implements IEventListener {

	public function __construct(
		private IAppConfig $config,
	) {
	}

	public function handle(Event $event): void {

		/** @var DeclarativeSettingsGetValueEvent|DeclarativeSettingsSetValueEvent $event */
		if ($event->getApp() !== Application::APP_ID) {
			return;
		}

		if ($event->getFormId() !== 'dav-admin-system-address-book') {
			return;
		}

		if ($event instanceof DeclarativeSettingsGetValueEvent) {
			$this->handleGetValue($event);
			return;
		}

		if ($event instanceof DeclarativeSettingsSetValueEvent) {
			$this->handleSetValue($event);
			return;
		}

	}

	private function handleGetValue(DeclarativeSettingsGetValueEvent $event): void {

		if ($event->getFieldId() === 'system_addressbook_enabled') {
			$event->setValue((int)$this->config->getValueBool('dav', 'system_addressbook_exposed', true));
		}

	}

	private function handleSetValue(DeclarativeSettingsSetValueEvent $event): void {

		if ($event->getFieldId() === 'system_addressbook_enabled') {
			$this->config->setValueBool('dav', 'system_addressbook_exposed', (bool)$event->getValue());
			$event->stopPropagation();
		}

	}

}