Umbraco 9 | Sitemap in Razor

sitemap.cshtml

@inherits Umbraco.Cms.Web.Common.Views.UmbracoViewPage
@using ContentModels = Umbraco.Cms.Web.Common.PublishedModels;
@{
	Layout = "template.cshtml";
	var currentPage = Umbraco.AssignedContentItem;
	var root = currentPage.AncestorOrSelf(1);
}

<div class="sitemap">

	<ul>
		@foreach(var page in root.Children()) {
			listChildren(page);
		}
	</ul>

</div>

@functions {
	public void listChildren(IPublishedContent page) {

		var children = page.Children();

		<li>
			<a href="@(page.Url())">@(page.Name)</a>
			@if(children.Any()) {
				<ul>
					@foreach(var child in children) {
						listChildren(child);
					}
				</ul>
			}
		</li>

	}
}

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