using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.Serialization.Formatters;

using System.IO;

using System.Data;

using System.ComponentModel.DataAnnotations;

using System.Globalization;

using System.Reflection;

using System.Collections.ObjectModel;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

​

using NUnit.Framework; // Throws NUnit.Framework.AssertionException

​

//https://stackoverflow.com/questions/65781405/jobject-parse-only-returns-last-element-in-array-of-objects

​

    public class Status    {

        public string code { get; set; } 

        public string type { get; set; } 

        public string description { get; set; } 

    }

​

    public class PaymentSource    

    {

        public List<int> paymentSourceIds { get; } = new List<int>();

        [JsonProperty("paymentSourceId")]

        int paymentSourceIdAccumulator

        {

            set

            {

                // Since the serializer calls the setter for paymentSourceIdAccumulator every time it encounters a "paymentSourceId" property in the JSON

                // this has the effect of accumulating the duplicate paymentSourceId values into the paymentSourceIds list.

                paymentSourceIds.Add(value);

            }

        }

    }

​

    public class Response    {

        public List<PaymentSource> paymentSources { get; set; } 

    }

​

    public class Root    {

        public Status status { get; set; } 

        public Response response { get; set; } 

    }

​

    class TestClass

    {

        public static void Test()

        {

            var json = "{ \"status\":{ \"code\":\"0\", \"type\":\"SUCCESS\", \"description\":\"Success\" }, \"response\":{ \"paymentSources\":[ { \"paymentSourceId\":176031595, \"paymentSourceId\":176031680, \"paymentSourceId\":162296191, \"paymentSourceId\":160385602, \"paymentSourceId\":160317027 } ] } }";

            Console.WriteLine(json);

​

            Console.WriteLine("\nResult of parsing with Json.NET:");

            Console.WriteLine(JToken.Parse(json));

​

            Console.WriteLine("\nResult of parsing with System.Text.Json.JsonDocument:");

​

            using var doc = System.Text.Json.JsonDocument.Parse(json);

            Console.WriteLine(System.Text.Json.JsonSerializer.Serialize(doc.RootElement, new System.Text.Json.JsonSerializerOptions { WriteIndented = true }));

            var root = JsonConvert.DeserializeObject<Root>(json);

            Console.WriteLine("\nResult of deserializing and re-serializing {0}:", root);

            Console.WriteLine(JsonConvert.SerializeObject(root, Formatting.Indented));

        }   

    }

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: {0} ({1})", System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription , GetNetCoreVersion());

            Console.WriteLine("{0} version: {1}", typeof(JsonSerializer).Assembly.GetName().Name,  typeof(JsonSerializer).Assembly.FullName);

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Failed with unhandled exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

        public static string GetNetCoreVersion()

        {

            //https://techblog.dorogin.com/how-to-detect-net-core-version-in-runtime-ecd65ad695be

            //

            var assembly = typeof(System.Runtime.GCSettings).GetTypeInfo().Assembly;

            var assemblyPath = assembly.Location.Split(new[] { '/', '\\' }, StringSplitOptions.RemoveEmptyEntries);

            int netCoreAppIndex = Array.IndexOf(assemblyPath, "Microsoft.NETCore.App");

            if (netCoreAppIndex > 0 && netCoreAppIndex < assemblyPath.Length - 2)

                return assemblyPath[netCoreAppIndex + 1];

            return null;

        }

    }

​