Slice/CentralServer/Program.cs

using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace CentralServer
{
    class Program
    {
       public static gr672_pgvEntities db = new gr672_pgvEntities();
        static void Main(string[] args)
        {
            Listener();
            Console.Read();
        }

        public static async void Listener()
        {
            HttpListener listener = new HttpListener();
            listener.Prefixes.Add("http://127.0.0.1:8888/");
            listener.Start();
            Console.WriteLine("Start server...");
            while (true)
            {
                HttpListenerContext context = await listener.GetContextAsync();
                HttpListenerRequest request = context.Request;
                if (request.RawUrl.Contains("/getDataOfStore"))
                {
                    string StoreID = request.RawUrl.Split('=')[1];
                    int ID = Convert.ToInt32(StoreID);
                    var Store = db.Stores.Find(ID);
                    HttpListenerResponse response = context.Response;
                    if (Store is null)
                    {
                        byte[] buffer = Encoding.UTF8.GetBytes("Магазин не найден");
                        response.ContentLength64 = buffer.Length;
                        Stream output = response.OutputStream;
                        output.Write(buffer, 0, buffer.Length);
                        output.Close();
                    }
                    else
                    {
                        List<RootDataOfCashier> dataOfCashier = new List<RootDataOfCashier>();
                        foreach (var item in Store.Cashiers)
                        {
                            dataOfCashier.Add(new RootDataOfCashier { CashierID = item.CashierID });
                        }
                        RootDataOfStore rootDataOfStore = new RootDataOfStore();
                        rootDataOfStore.Cashiers = dataOfCashier;
                        rootDataOfStore.StoreID = Store.StoreID;
                        rootDataOfStore.Address = Store.Address;
                        string Json = JsonConvert.SerializeObject(rootDataOfStore);
                        byte[] buffer = Encoding.UTF8.GetBytes(Json);
                        response.ContentLength64 = buffer.Length;
                        Stream output = response.OutputStream;
                        output.Write(buffer, 0, buffer.Length);
                        output.Close();
                    }       

                }
            }
        }
    }
}