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using Nancy.Bootstrapper;
using Nancy.Json;
using NodaTime;
using NodaTime.Text;
using System;
using System.Collections.Generic;

namespace {{packageName}}.{{packageContext}}.Utils
{
    /// 
    /// (De)serializes a  to a string using
    /// the RFC3339
    /// full-date format.
    /// 
    public class LocalDateConverter : JavaScriptPrimitiveConverter, IApplicationStartup
    {
        public override IEnumerable SupportedTypes
        {
            get
            {
                yield return typeof(LocalDate);
                yield return typeof(LocalDate?);
            }
        }

        public void Initialize(IPipelines pipelines)
        {
            JsonSettings.PrimitiveConverters.Add(new LocalDateConverter());
        }


        public override object Serialize(object obj, JavaScriptSerializer serializer)
        {
            if (obj is LocalDate)
            {
                LocalDate localDate = (LocalDate)obj;
                return LocalDatePattern.IsoPattern.Format(localDate);
            }
            return null;
        }

        public override object Deserialize(object primitiveValue, Type type, JavaScriptSerializer serializer)
        {
            if ((type == typeof(LocalDate) || type == typeof(LocalDate?)) && primitiveValue is string)
            {
                try
                {
                    return LocalDatePattern.IsoPattern.Parse(primitiveValue as string).GetValueOrThrow();
                }
                catch { }
            }
            return null;
        }
    }
}