using System;

using System.Linq;

using System.Collections.Generic;

using Newtonsoft.Json;

​

​

public class AriVehicle

{

    public string hba_vehiclenumber { get; set; }

    public int hba_year { get; set; }

    public string hba_make { get; set; }

    // public string hba_model { get; set; }    

}

​

public class DynamicsVehicle

{

    public string hba_accountid { get; set; }

    public string hba_make { get; set; }

    public string hba_model { get; set; }

    public int? hba_odometer { get; set; }

    public bool? hba_isleased { get; set; }

}

​

public class EntityReference

{

    public System.Guid Id { get; set; }

    public string Name { get; set; }

}

​

public class XrmEntity

{

    public Dictionary<string, object> Attributes { get; set; }  

}

​

public class Program

{

    public static bool KeyExistsAndNonNull (Dictionary<string, object> dict, string key) 

    {

        return dict.ContainsKey(key) && dict[key] != null;

    }

    public static DynamicsVehicle MapToDynamicsVehicle (XrmEntity xrmEntity) 

    {

        // remove all null values from dictionary

        xrmEntity.Attributes = (from kvp in xrmEntity.Attributes

            where kvp.Value != null

            select kvp).ToDictionary(kvp => kvp.Key, kvp => kvp.Value);

        var account = (EntityReference)(xrmEntity.Attributes.ContainsKey("hba_accountid") ? xrmEntity.Attributes["hba_accountid"] : null);

        var dynamicsVehicle = new DynamicsVehicle () 

        {

            hba_accountid = account != null 

                ? account.Id.ToString() 

                : null,

            hba_make = xrmEntity.Attributes.ContainsKey("hba_make")

                ? xrmEntity.Attributes["hba_make"].ToString() 

                : null,

            hba_model = xrmEntity.Attributes.ContainsKey("hba_model")

                ? xrmEntity.Attributes["hba_model"].ToString() 

                : null,

        };

        if (xrmEntity.Attributes.ContainsKey("hba_isleased"))

        {

            dynamicsVehicle.hba_isleased = (bool)xrmEntity.Attributes["hba_isleased"];

        }

        if (xrmEntity.Attributes.ContainsKey("hba_odometer"))

        {

            dynamicsVehicle.hba_odometer = (int)xrmEntity.Attributes["hba_odometer"];

        }

        return dynamicsVehicle;

    }

    public static void Main()

    {

        string vehiclesJsonData = "[{\"hba_vehiclenumber\": \"123\", \"hba_year\": 2000, \"hba_make\": \"123\", \"hba_model\": \"123\"}, {\"hba_vehiclenumber\": \"234\", \"hba_year\": 2001, \"hba_make\": \"123\", \"hba_model\": \"123\"}, {\"hba_vehiclenumber\": \"345\", \"hba_year\": 2002, \"hba_make\": \"123\", \"hba_model\": \"123\"}]";

        List<AriVehicle> ariVehicles = JsonConvert.DeserializeObject<List<AriVehicle>>(vehiclesJsonData);

        Console.WriteLine("Type: " + ariVehicles.GetType());

        foreach (var vehicle in ariVehicles)

        {

            Console.WriteLine("VehicleNumber: " + vehicle.hba_vehiclenumber);

            Console.WriteLine("Year: " + vehicle.hba_year);

            Console.WriteLine("Make: " + vehicle.hba_make);

            // Console.WriteLine("Model: " + vehicle.hba_model);

            Console.WriteLine("------------------------------");

        }

        XrmEntity dVehicle = new XrmEntity() {

            Attributes = new Dictionary<string, object>() {

                { "hba_make", "ford" },

                { "hba_isleased", true },

                { "hba_model", null },

                { "hba_odometer", 12345 },

                { "hba_accountid", new EntityReference () {

                    Id = Guid.NewGuid(),

                    Name = "Bob's Account"

                }}

            }

        };

        var mappedVehicle = MapToDynamicsVehicle(dVehicle);

        Console.WriteLine("mappedVehicle: " + JsonConvert.SerializeObject(mappedVehicle));

    }

}