using System;

using System.Collections.Generic;

using System.Linq;

using System.Text.Json;

​

public class Program

{

    public static void Main()

    {

        var data = @"[

          {

            ""productId"": 1,

            ""productName"": ""Basic t-shirt"",

            ""productDescription"": ""a quiet t-shirt"",

            ""price"": { ""amount"" : 40, ""currency"": ""eur"" },

            ""attributes"" : [

            { 

              ""sizes"": [ ""s"", ""m"", ""l""],

              ""colors"": [""red"", ""blue"", ""green""]

            }]

          },

          {

            ""productId"": 2,

            ""productName"": ""Fancy shirt"",

            ""productDescription"": ""a loud t-shirt"",

            ""price"": { ""amount"" : 50, ""currency"": ""eur"" },

            ""attributes"" : [

            { 

              ""sizes"": [ ""s"", ""m"", ""l"", ""xl""],

              ""colors"": [""ALL"", ""Batique""]

            }]

          }

        ]";

        //Console.WriteLine("   > json");

        //Console.WriteLine(data);

        //Console.WriteLine("");

        var options = new JsonSerializerOptions() { PropertyNameCaseInsensitive = true };

        var products = JsonSerializer.Deserialize<List<ProductCatalogProduct>>(data, options);

        if (products.Any(p => !string.IsNullOrEmpty(p.ProductDescription)))

        {

            foreach (var p in products)

            {

                Console.WriteLine(p.ProductId + " : " + p.ProductDescription);

            }

        }

        else

        {

            Console.WriteLine("** json not deserialized **");

        }

    }

​

    public class Money

    {

        public string Currency

        {

            get;

            set;

        }

​

        public decimal Amount

        {

            get;

            set;

        }

​

        public Money(){}

        public Money(string currency, decimal amount)

        {

            Currency = currency;

            Amount = amount;

        }

    }

​

    public class ProductCatalogProduct

    {

        public int ProductId

        {

            get;

            set;

        }

​

        public string ProductName

        {

            get;

            set;

        }

​

        public string ProductDescription

        {

            get;

            set;

        }

​

        public Money Price

        {

            get;

            set;

        }

​

        public List<Attributes> Attributes

        {

            get;

            set;

        }

    }

​

    public class Attributes

    {

        public List<string> Sizes

        {

            get;

            set;

        }

​

        public List<string> Colors

        {

            get;

            set;

        }

    }

}