Applies FilterAttribute T to all MVC controller actions in case action or it's controller do not have FilterAttribute derived from BaseT

DefaultFilterProvider

    /// <summary>
    /// Applies FilterAttribute T to all MVC controller actions 
    /// in case action or it's controller do not have FilterAttribute derived from BaseT
    /// </summary>
    /// <example>
    /// <![CDATA[
    /// FilterProviders.Providers.Add(new DefaultFilterProvider<NoAuthorizeAttribute, AuthorizeUserAttribute>());
    /// ]]>
    /// </example>
    /// <typeparam name="T">FilterAttribute to be applied</typeparam>
    /// <typeparam name="TBaseT">FilterAttribute to be checked</typeparam>
    public class DefaultFilterProvider<T, TBaseT> : IFilterProvider
        where T : FilterAttribute, new()
        where TBaseT : FilterAttribute
    {
        public IEnumerable<Filter> GetFilters(ControllerContext controllerContext, ActionDescriptor actionDescriptor)
        {
            var controllerType = controllerContext.Controller.GetType();
            if (!controllerType.GetCustomAttributes(typeof(TBaseT), true).Any()
                && !actionDescriptor.GetCustomAttributes(typeof(TBaseT), true).Any())
            {
                yield return new Filter(new T(), FilterScope.Action, null);
            }
        }
    }