ChatApi/Services/ClassifyHandlers/AClassifyHandler.cs

namespace ChatApi.Services.ClassifyHandlers
{
    public enum EnumClassificationType
    {
        Stay,
        Free
    }

    public class AHandlerClassify : IHandlerClassify
    {
        private IHandlerClassify _nextHandlerClassify;
        protected TextFilter _textFilter;
        private EnumClassificationType _type = EnumClassificationType.Free;

        public EnumClassificationType Type
        {
            get
            {
                return _type;
            }
            protected set
            {
                _type = EnumClassificationType.Stay;
            }
        }

        public int StayInMinutes { get; set; }
        public EnumClassification MyClassification { get; set; }

        public AHandlerClassify()
        {
            _textFilter = new TextFilter();
        }

        public IHandlerClassify SetNext(IHandlerClassify handler)
        {
            _nextHandlerClassify = handler;
            return handler;
        }

        public virtual EnumClassification Handle(string request)
        {
            if (_nextHandlerClassify != null)
            {
                return _nextHandlerClassify.Handle(request);
            }
            return EnumClassification.CantDetect;
        }
    }
}