Action fileter attribute that tiggers a redirect in a specific action method of controller when the user has not confirmed his email in an ASP.NET MVC 5 application

UserConfrmedFilterAttribute

[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = true, Inherited = true)]
public class UserConfirmedFilterAttribute : ActionFilterAttribute
{
	public override void OnActionExecuting(ActionExecutingContext filterContext)
	{
	    var userId = filterContext.HttpContext.User.Identity.GetUserId();
	    var userManager = filterContext.HttpContext.GetOwinContext().GetUserManager<ApplicationUserManager>();
	
	    if (!userManager.IsEmailConfirmedAsync(userId).Result)
	    {
	        filterContext.Result =
	            new RedirectToRouteResult(
	                new RouteValueDictionary(new {controller = "ConstrollerNameToRedirect", action = "ActionMethodToRedirect"}));
	        return;
	    }
	
	    base.OnActionExecuting(filterContext);
	}
}