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 Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

​

    //https://stackoverflow.com/questions/47939878/how-to-deserialize-collection-of-interfaces-when-concrete-classes-contains-other

    public interface IJobModel

    {

        string ClientBaseURL { get; set; }

        string UserEmail { get; set; }

        ExportType Type { get; set; }

        List<IItemModel> Items { get; set; }

    }

​

    public interface IItemModel

    {

        string Id { get; set; }

        string ImageSize { get; set; }

        string ImagePpi { get; set; }

        List<ICamSettings> CamSettings { get; set; }

    }

​

    public interface ICamSettings

    {

        string FileName { get; set; }

    }

​

    public enum ExportType

    {

        Thumbnails,

    }

​

    public class ThumbnailJobModel : IJobModel

    {

        [JsonProperty("clientBaseURL")]

        public string ClientBaseURL { get; set; }

​

        [JsonProperty("userEmail")]

        public string UserEmail { get; set; }

​

        [JsonProperty("type")]

        [JsonConverter(typeof(ExportTypeConverter))]

        public ExportType Type { get; set; }

​

        [JsonProperty("items", ItemConverterType = typeof(ConcreteConverter<IItemModel, Item>))]

        public List<IItemModel> Items { get; set; }

​

        public ThumbnailJobModel()

        {

            Type = ExportType.Thumbnails;

            Items = new List<IItemModel>();

        }

​

        public class Item : IItemModel

        {

            [JsonProperty("id")]

            public string Id { get; set; }

​

            [JsonProperty("imageSize")]

            public string ImageSize { get; set; }

​

            [JsonProperty("imagePpi")]

            public string ImagePpi { get; set; }

​

            [JsonProperty("shoots", ItemConverterType = typeof(ConcreteConverter<ICamSettings, ShootSettings>))]

            public List<ICamSettings> CamSettings { get; set; }

​

            public Item()

            {

                CamSettings = new List<ICamSettings>();

            }

        }

​

        public class ShootSettings : ICamSettings

        {

            [JsonProperty("orientation")]

            [JsonConverter(typeof(StrictStringEnumConverter))]

            public Orientation Orientation { get; set; }

​

            [JsonProperty("clothShape")]

            [JsonConverter(typeof(StrictStringEnumConverter))]

            public Shape Shape { get; set; }

​

            [JsonProperty("fileName")]

            public string FileName { get; set; }

​

            public ShootSettings()

            {

                Orientation = Orientation.Perspective;

                Shape = Shape.Folded;

                FileName = null;

            }

        }

​

        public enum Orientation

        {

            Perspective = 0,

            Oblique = 1,

            Front = 2,

            Back = 3,

            Left = 4,

            Right = 5,

            Up = 6,

            Down = 7

        }

​

        public enum Shape

        {

            Folded = 0,

            Hanger = 1,

            Mannequin = 2

        }

​

        public class ConcreteConverter<IInterface, TConcrete> : JsonConverter where TConcrete : IInterface

        {

            public override bool CanConvert(Type objectType)

            {

                return typeof(IInterface) == objectType;

            }

​

            public override object ReadJson(JsonReader reader,

             Type objectType, object existingValue, JsonSerializer serializer)

            {

                return serializer.Deserialize<TConcrete>(reader);

            }

​

            public override bool CanWrite { get { return false; } }

​

            public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)

            {

                throw new NotImplementedException();

            }

        }

​

        public class ExportTypeConverter : StringEnumConverter

        {

            public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)

            {

                reader.Skip(); // Skip anything at the current reader's position.

                return ExportType.Thumbnails;

            }

​

            public override bool CanConvert(Type objectType)

            {

                return objectType == typeof(ExportType);

            }

        }

​

        public class StrictStringEnumConverter : StringEnumConverter

        {

            public StrictStringEnumConverter() { this.AllowIntegerValues = false; }

        }

​

        public static void HandleDeserializationError(object sender, Newtonsoft.Json.Serialization.ErrorEventArgs errorArgs)

        {

            errorArgs.ErrorContext.Handled = true;

            var currentObj = errorArgs.CurrentObject as ShootSettings;

​

            if (currentObj == null) return;

​

            currentObj.Orientation = Orientation.Perspective;

            currentObj.Shape = Shape.Folded;

        }

    }

​

​

    class TestClass

    {

        public static void Test()

        {

            string jobConfig = GetJson();

            IJobModel m_jobModel = JsonConvert.DeserializeObject<ThumbnailJobModel>(jobConfig);

​

            var json2 = JsonConvert.SerializeObject(m_jobModel, Formatting.Indented);

​

            Console.WriteLine("\nDeserialied and re-serialized JSON: ");

            Console.WriteLine(json2);

        }

​

        static string GetJson()

        {

            var json = @"{

 ""clientBaseURL"":""https://clientName.fr"",

 ""userEmail"":""myName@gmail.com"",

 ""items"":[

   {

      ""id"":""11913"",

      ""imageSize"":""1280,720"",

      ""imagePpi"":""72"",

      ""shoots"":[

         {

            ""fileName"":""front1.png"",

            ""orientation"":""front"",

            ""clothShape"":""hanger""

         },

         {

            ""fileName"":""folded1.png"",

            ""orientation"":""front"",

            ""clothShape"":""folded""

         },

         {

            ""fileName"":""right1.png"",

            ""orientation"":""right"",

            ""clothShape"":""hanger""

         }

      ]

   },

   {

      ""id"":""2988"",

      ""imageSize"":""1280,720"",

      ""imagePpi"":"""",

      ""shoots"":[

         {

            ""fileName"":""perspective1.png"",

            ""orientation"":""perspective""

         }

      ]

   }

 ]

}";

            return json;

        }

    }

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: " + Environment.Version);

            Console.WriteLine("Json.NET version: " + typeof(JsonSerializer).Assembly.FullName);

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

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

                Console.WriteLine(ex);

                throw;

            }

        }

    }

​

    public class AssertionFailedException : System.Exception

    {

        public AssertionFailedException() : base() { }

​

        public AssertionFailedException(string s) : base(s) { }

    }

​

    public static class Assert

    {

        public static void IsTrue(bool value)

        {

            IsTrue(value, "failed");

        }

​

        public static void IsTrue(bool value, string message)

        {

            if (value == false)

                throw new AssertionFailedException(message ?? "failed");

        }

    }

​