OrderService.cs

using System;
using PetShop.DBAccess.CosmosDB;
using PetShop.Model;
using PetShop.DBAccess.CosmosDB;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using Newtonsoft.Json;
using System.Text;

namespace PetShop.Business.Orders
{
    public class OrderService
    {
        
        static HttpClient client = new HttpClient();

        public static Guid DefaultCustomerID = Guid.Parse("17EDCACA-C902-431A-B935-A1FCF05CA52A");
        public bool SaveData(Model.Order order)
        {

            var orderData = new Order
            {
                OrderId = Guid.NewGuid(),
                ProductId = order.ProductId,
                ProductName = order.ProductName,
                CustomerId = DefaultCustomerID,
                Quantity = order.Quantity
            };
            
            if (UpdateProductQuantity(orderData))
            {
                ICosmosDbService cosmosDbService = new CosmosDbService();
                cosmosDbService.AddItemAsync<Order>(orderData, orderData.OrderId.ToString()).GetAwaiter().GetResult();
            }
            return true;
        }
        private bool UpdateProductQuantity(Model.Order order)
        {
            OrderedProduct orderedProduct = new OrderedProduct
            {
                OrderedProductQuantity = order.Quantity,
                ProductId = order.ProductId
            };
            var productUrl = Environment.GetEnvironmentVariable("ProductBaseUrl");
            var orderedProductContent = JsonConvert.SerializeObject(orderedProduct);

            client.BaseAddress = new Uri(productUrl);

            var response = client.PostAsync(
                productUrl, new StringContent(orderedProductContent, Encoding.UTF8, "application/json"));
            var result = response.GetAwaiter().GetResult();

            return true;
        }

    }
}