using System;

using MessagePack;  

using System.Linq;

using System.Collections.Generic;

using System.Text.RegularExpressions;

using System.Text.Json;

using System.Text.Json.Serialization;

using Newtonsoft.Json;

​

​

public class BuildRoutesFromModelsRequest

{

    public int SupplierId { get; set; }

    public List<OrderDateShipDatePair> DatePairs { get; set; }

    public int DestinationCountryId { get; set; }

    public List<string> DestinationPostalCodes { get; set; }

    public bool CustomerAllowsDa { get; set; }

    public bool CustomerHasCommercialDock { get; set; }

    public string CallerSource { get; set; }

}

​

[MessagePackObject]

public class OrderDateShipDatePair

{

    [Key(0)]

    public DateTime OrderDate { get; }

    [Key(1)]

    public DateTime ShipDate { get; }

​

    [System.Text.Json.Serialization.JsonConstructor]

    [Newtonsoft.Json.JsonConstructor]

    public OrderDateShipDatePair(DateTime shipDate, DateTime orderDate)

    {

        OrderDate = orderDate;

        ShipDate = shipDate;

    }

    public OrderDateShipDatePair(DateTime shipDate)

    {

        ShipDate = shipDate;

    }

    public OrderDateShipDate(){}

}

​

​

public class Program

{

    public static void Main()

    {

         DateTime _shipDate = new DateTime(2021, 4, 2);

         var orderDate = _shipDate.AddHours(10);

        var orderDateShipDatePair = new OrderDateShipDatePair(orderDate, _shipDate);

​

         var routeRequest = new BuildRoutesFromModelsRequest

        {

            SupplierId = 420,

            DatePairs = new List<OrderDateShipDatePair> { orderDateShipDatePair },

            DestinationCountryId = 82,

            DestinationPostalCodes = new List<string> { "10178" },

            CustomerAllowsDa = false,

            CustomerHasCommercialDock = false,

            CallerSource = "API Test"

        };

        var serialized = System.Text.Json.JsonSerializer.Serialize(routeRequest);

        var deserialized = JsonConvert.DeserializeObject<BuildRoutesFromModelsRequest>(serialized);

        Console.WriteLine("deserialized is " + (deserialized == null ? "null" : "not null"));

        Console.WriteLine(deserialized.DatePairs.First().OrderDate + " " + deserialized.DatePairs.First().ShipDate);

        var datepair = new OrderDateShipDatePair(DateTime.Now, DateTime.Now.AddHours(2));

        var dp = MessagePackSerializer.Deserialize<OrderDateShipDatePair>(MessagePackSerializer.Serialize(datepair));

        Console.WriteLine(dp.OrderDate + " " + dp.ShipDate);

    }

}