using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Wood.Util
{
    public class NullableIntConverter: JsonConverter<int?>
    {
        public override int? ReadJson(JsonReader reader, Type objectType, int? existingValue, bool hasExistingValue, JsonSerializer serializer)
        {
            if ((reader.Value == null || reader.Value.ToString() == ""))
                return 0;

            return Convert.ToInt32(reader.Value);
        }

        public override void WriteJson(JsonWriter writer, int? value, JsonSerializer serializer)
        {
            writer.WriteValue(value);
        }
    }
}