MvcTemplate.Components.Mvc.MvcSiteMapProvider.GetAuthorizedSiteMap C# (CSharp) Метод

        private IEnumerable<MvcSiteMapNode> GetAuthorizedSiteMap(Int32? accountId, IEnumerable<MvcSiteMapNode> nodes)
        {
            List<MvcSiteMapNode> menuNodes = new List<MvcSiteMapNode>();
            foreach (MvcSiteMapNode node in nodes)
            {
                node.Children = GetAuthorizedSiteMap(accountId, node.Children);

                if (node.IsMenu && IsAuthorizedToView(accountId, node) && !IsEmpty(node))
                    menuNodes.Add(node);
                else
                    menuNodes.AddRange(node.Children);
            }

            return menuNodes;
        }