Using Github API to get Last Release And Check If The There Is New Version

GithubUpdateChecker.cs

using Newtonsoft.Json; //NuGet Newtonsoft.Json
using RestSharp; //NuGet RestSharp
using System;
using System.Collections.Generic;
using System.Net;
using System.Reflection;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace [ YOUR PROJECT NAMESPACE ]
{
    public class GithubUpdateChecker
    {

        #region Properties 

        public static bool ResponseIsSuccessful { get; private set; }

        public bool HasNewVersion { get; private set; }

        public List<dynamic> JsonLastReleasesObj { get; private set; }

        public string NewVersion { get; private set; }

        public string NewVersionTitle { get; private set; }

        public string NewVersionDownloadFileName { get; private set; }

        public string NewVersionDownloadUrl { get; private set; }
        public string NewVersionDownloadSize { get; private set; }

        public string NewVersionPublishedDate { get; private set; }

        public string NewVersionDescription { get; private set; }


        #endregion

        #region Methods


        public async Task CheckAppNewVersionAsync(string OwnerName, string ProjectRepositoryName)
        {
            var client = new RestClient();

            var request = new RestRequest("https://api.github.com/repos/" + OwnerName + "/" + ProjectRepositoryName + "/releases");

            RestResponse response = await client.ExecuteGetAsync(request);


            if (response.IsSuccessful)
            {
                ResponseIsSuccessful = true;


                JsonLastReleasesObj = JsonConvert.DeserializeObject<List<dynamic>>(response.Content);

                List<int> currentAppVesion = ExtractVersions(Assembly.GetExecutingAssembly().GetName().Version.ToString());

                List<int> newAppVersion = ExtractVersions(JsonLastReleasesObj[0]["tag_name"].ToString());

                for (int i = 0; i < currentAppVesion.Count; i++)
                {
                    if (Convert.ToInt32(newAppVersion[i]) > Convert.ToInt32(currentAppVesion[i]))
                    {
                        HasNewVersion = true;

                        NewVersion = JsonLastReleasesObj[0]["tag_name"].ToString();

                        NewVersionTitle = JsonLastReleasesObj[0]["name"].ToString();

                        NewVersionPublishedDate = JsonLastReleasesObj[0]["published_at"].ToString();

                        NewVersionDescription = JsonLastReleasesObj[0]["body"].ToString();


                        if (JsonLastReleasesObj[0]["assets"].HasValues)
                        {
                            NewVersionDownloadFileName = JsonLastReleasesObj[0]["assets"][0]["name"].ToString();

                            NewVersionDownloadUrl = JsonLastReleasesObj[0]["assets"][0]["browser_download_url"].ToString();

                            NewVersionDownloadSize = JsonLastReleasesObj[0]["assets"][0]["size"].ToString();
                        }

                        return;
                    }
                }
            }
            else
            {
                ResponseIsSuccessful = false;
            }


        }

        private static List<int> ExtractVersions(string appVersion)
        {
            List<int> appVersionNumbers = new List<int>();

            Regex regex = new Regex(@"\d+");

            MatchCollection matches = regex.Matches(appVersion);
            foreach (Match match in matches)
            {
                int number;

                if (int.TryParse(match.Value, out number))
                {
                    appVersionNumbers.Add(number);
                }
            }
            return appVersionNumbers;
        }

        public void DownloadNewVersion(string NewVersionDownloadUrl, string NewVersionSavePath)
        {
            //for Test
            //string url = "https://github.com/bassuny3003/ShutupLongLink/releases/download/v2.3.3.21/ShutUp.Long.Link.V.2.3.3.21.zip";
            //string fileName = "ShutUp.Long.Link.V.2.3.3.21.zip";

            using (WebClient client = new WebClient())
            {
                client.DownloadFileAsync(new Uri(NewVersionDownloadUrl), NewVersionSavePath);
            }
        }


        #endregion
    }

}