95 lines
3.3 KiB
C#
95 lines
3.3 KiB
C#
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using System;
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using System.Diagnostics;
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using System.IO;
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using System.IO.Compression;
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using System.Net.Http;
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using System.Reflection;
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using System.Threading.Tasks;
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using Newtonsoft.Json;
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namespace CRD.Utils.Updater;
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public class Updater{
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#region Singelton
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private static Updater? _instance;
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private static readonly object Padlock = new();
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public static Updater Instance{
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get{
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if (_instance == null){
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lock (Padlock){
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if (_instance == null){
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_instance = new Updater();
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}
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}
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}
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return _instance;
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}
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}
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#endregion
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private string downloadUrl = "";
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private readonly string tempPath = Path.Combine(Path.GetTempPath(), "Update.zip");
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private readonly string extractPath = Path.Combine(Path.GetTempPath(), "ExtractedUpdate");
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private readonly string apiEndpoint = "https://api.github.com/repos/Crunchy-DL/Crunchy-Downloader/releases/latest";
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public async Task<bool> CheckForUpdatesAsync(){
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try{
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using (var client = new HttpClient()){
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client.DefaultRequestHeaders.Add("User-Agent", "C# App"); // GitHub API requires a user agent
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var response = await client.GetStringAsync(apiEndpoint);
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var releaseInfo = JsonConvert.DeserializeObject<dynamic>(response);
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var latestVersion = releaseInfo.tag_name;
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downloadUrl = releaseInfo.assets[0].browser_download_url;
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var version = Assembly.GetExecutingAssembly().GetName().Version;
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var currentVersion = $"v{version?.Major}.{version?.Minor}.{version?.Build}";
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if (latestVersion != currentVersion){
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Console.WriteLine("Update available: " + latestVersion + " - Current Version: " + currentVersion);
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return true;
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} else{
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Console.WriteLine("No updates available.");
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return false;
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}
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}
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} catch (Exception e){
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Console.WriteLine("Failed to get Update information");
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return false;
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}
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}
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public async Task DownloadAndUpdateAsync(){
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try{
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using (var client = new HttpClient()){
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// Download the zip file
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var response = await client.GetAsync(downloadUrl, HttpCompletionOption.ResponseHeadersRead);
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using (var stream = await response.Content.ReadAsStreamAsync())
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using (var fileStream = new FileStream(tempPath, FileMode.Create, FileAccess.Write, FileShare.None)){
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await stream.CopyToAsync(fileStream);
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}
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ZipFile.ExtractToDirectory(tempPath, extractPath, true);
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ApplyUpdate(extractPath);
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}
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} catch (Exception e){
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Console.WriteLine("Failed to get Update");
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}
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}
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private void ApplyUpdate(string updateFolder){
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var currentPath = AppDomain.CurrentDomain.BaseDirectory;
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var updaterPath = Path.Combine(currentPath, "Updater.exe");
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var arguments = $"\"{currentPath.Substring(0, currentPath.Length - 1)}\" \"{updateFolder}\"";
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System.Diagnostics.Process.Start(updaterPath, arguments);
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Environment.Exit(0);
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}
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}
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