public static MvcHtmlString AlbumUrl(this UrlHelper urlHelper, string userAlias, Album album)
{
if (string.IsNullOrEmpty(userAlias))
{
userAlias = album.AuthorId;
}
var url = urlHelper.ActionUserId("album", new { id = userAlias, secondaryId = album.PhotosetId });
return(new MvcHtmlString(url));
}