immich/web/src/routes/admin/+page.server.ts

import { redirect } from '@sveltejs/kit';
import type { PageServerLoad } from './$types';

export const load: PageServerLoad = async ({ parent }) => {
	const { user } = await parent();

	if (!user) {
		throw redirect(302, '/auth/login');
	} else if (!user.isAdmin) {
		throw redirect(302, '/photos');
	}

	throw redirect(302, '/admin/user-management');
};