AIParkingApplication/AIParkingApplication/Statistic.cs

using System;
using System.Windows.Forms;
using System.Threading;
using Newtonsoft.Json;

namespace AIParkingApplication
{
    public partial class Statistic : UserControl
    {
        private readonly Thread statisticsThread;
        private readonly TimeSpan updateInterval;
        private ApiController apiController;

        public Statistic(ApiController apiController, TimeSpan updateInterval)
        {
            InitializeComponent();
            this.apiController = apiController;
            this.updateInterval = updateInterval;
            statisticsThread = new Thread(new ThreadStart(GetStatistic)) { IsBackground = true };
        }

        private void GetStatistic()
        {
            while (true)
            {
                GetDataUpdate();
                Thread.Sleep(updateInterval);
            }
        }

        private async void GetDataUpdate()
        {
            ParkInfo parkInfo = await apiController.GetStatisticInfo();
            if (parkInfo != null && IsHandleCreated)
            {
                lblSoLuongXeMay.UpdateLabel(parkInfo.NumberOfMoto.ToString());
                lblSoLuongOto.UpdateLabel(parkInfo.NumberOfCar.ToString());
                lblVehicleTotalIn.UpdateLabel(parkInfo.TotalIn);
                lblVehicleTotalOut.UpdateLabel(parkInfo.TotalOut);
            }
        }

        public class ParkInfo
        {
            [JsonProperty("oto")]
            public int NumberOfCar { get; set; }

            [JsonProperty("moto")]
            public int NumberOfMoto { get; set; }

            [JsonProperty("total_in")]
            public string TotalIn { get; set; }

            [JsonProperty("total_out")]
            public string TotalOut { get; set; }
        }

        private void Statistic_Load(object sender, EventArgs e)
        {
            statisticsThread.Start();
        }
    }
}