public static MvcHtmlString NavbarLink(this HtmlHelper helper, string name, string actionName, string controllerName)
        {
            var sb = new StringBuilder();
            var routeElement = new RouteElement { Action = actionName, Controller = controllerName };
            var currentUserRoles = new string[] { "Unregister" };
            if (WebSecurity.IsAuthenticated)
            {
                var userRolesProvider = (SimpleRoleProvider)System.Web.Security.Roles.Provider;
                var userName = WebSecurity.CurrentUserName;
                currentUserRoles = userRolesProvider.GetRolesForUser(userName);
            }

            if (!SecurityStuffs.GetInstance().HasPermmisions(currentUserRoles, routeElement))
            {
                return new MvcHtmlString(sb.ToString());
            }

            string currentControllerName = (string)helper.ViewContext.RouteData.Values["controller"];
            string currentActionName = (string)helper.ViewContext.RouteData.Values["action"];

            string isActiveClass = "";
            if (currentControllerName.Equals(controllerName, StringComparison.CurrentCultureIgnoreCase) && currentActionName.Equals(actionName, StringComparison.CurrentCultureIgnoreCase))
            {
                isActiveClass = " class=\"active\"";
            }

            sb.AppendFormat("<li {0}>", isActiveClass);
            var url = new UrlHelper(HttpContext.Current.Request.RequestContext);
            sb.AppendFormat("<a href=\"{0}\">{1}</a>", url.Action(actionName, controllerName), name);
            sb.Append("</li>");

            return new MvcHtmlString(sb.ToString());
        }
        public bool HasPermmisions(string[] roles, RouteElement route)
        {
            bool isRoleAuthorized = false;

            foreach (string role in roles)
            {
                var views = RoutesListByRole(role);

                if (views.Exists(x => x.Action == route.Action && x.Controller == route.Controller))
                {
                    isRoleAuthorized = true;
                    break;
                }
            }

            return(isRoleAuthorized);
        }
        public bool HasPermmisions(string[] roles, RouteElement route)
        {
            bool isRoleAuthorized = false;
            foreach (string role in roles)
            {
                var views = RoutesListByRole(role);

                if (views.Exists(x => x.Action == route.Action && x.Controller == route.Controller))
                {
                    isRoleAuthorized = true;
                    break;
                }
            }

            return isRoleAuthorized;

        }