Crunchy-Downloader/CRD/Utils/Updater/Updater.cs

131 lines
4.7 KiB
C#

using System;
using System.ComponentModel;
using System.IO;
using System.IO.Compression;
using System.Net.Http;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;
using Newtonsoft.Json;
namespace CRD.Utils.Updater;
public class Updater : INotifyPropertyChanged{
#region Singelton
private static Updater? _instance;
private static readonly object Padlock = new();
public double progress = 0;
public static Updater Instance{
get{
if (_instance == null){
lock (Padlock){
if (_instance == null){
_instance = new Updater();
}
}
}
return _instance;
}
}
#endregion
public event PropertyChangedEventHandler PropertyChanged;
protected void OnPropertyChanged([CallerMemberName] string propertyName = null){
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
private string downloadUrl = "";
private readonly string tempPath = Path.Combine(Path.GetTempPath(), "Update.zip");
private readonly string extractPath = Path.Combine(Path.GetTempPath(), "ExtractedUpdate");
private readonly string apiEndpoint = "https://api.github.com/repos/Crunchy-DL/Crunchy-Downloader/releases/latest";
public async Task<bool> CheckForUpdatesAsync(){
try{
using (var client = new HttpClient()){
client.DefaultRequestHeaders.Add("User-Agent", "C# App");
var response = await client.GetStringAsync(apiEndpoint);
var releaseInfo = Helpers.Deserialize<dynamic>(response,null);
var latestVersion = releaseInfo.tag_name;
downloadUrl = releaseInfo.assets[0].browser_download_url;
var version = Assembly.GetExecutingAssembly().GetName().Version;
var currentVersion = $"v{version?.Major}.{version?.Minor}.{version?.Build}";
if (latestVersion != currentVersion){
Console.WriteLine("Update available: " + latestVersion + " - Current Version: " + currentVersion);
return true;
}
Console.WriteLine("No updates available.");
return false;
}
} catch (Exception e){
Console.Error.WriteLine("Failed to get Update information");
return false;
}
}
public async Task DownloadAndUpdateAsync(){
try{
using (var client = new HttpClient()){
// Download the zip file
var response = await client.GetAsync(downloadUrl, HttpCompletionOption.ResponseHeadersRead);
if (response.IsSuccessStatusCode){
var totalBytes = response.Content.Headers.ContentLength ?? -1L;
var totalBytesRead = 0L;
var buffer = new byte[8192];
var isMoreToRead = true;
using (var stream = await response.Content.ReadAsStreamAsync())
using (var fileStream = new FileStream(tempPath, FileMode.Create, FileAccess.Write, FileShare.None)){
do{
var bytesRead = await stream.ReadAsync(buffer, 0, buffer.Length);
if (bytesRead == 0){
isMoreToRead = false;
progress = 100;
OnPropertyChanged(nameof(progress));
continue;
}
await fileStream.WriteAsync(buffer, 0, bytesRead);
totalBytesRead += bytesRead;
if (totalBytes != -1){
progress = (double)totalBytesRead / totalBytes * 100;
OnPropertyChanged(nameof(progress));
}
} while (isMoreToRead);
}
ZipFile.ExtractToDirectory(tempPath, extractPath, true);
ApplyUpdate(extractPath);
} else{
Console.Error.WriteLine("Failed to get Update");
}
}
} catch (Exception e){
Console.Error.WriteLine($"Failed to get Update: {e.Message}");
}
}
private void ApplyUpdate(string updateFolder){
var currentPath = AppDomain.CurrentDomain.BaseDirectory;
var updaterPath = Path.Combine(currentPath, "Updater.exe");
var arguments = $"\"{currentPath.Substring(0, currentPath.Length - 1)}\" \"{updateFolder}\"";
System.Diagnostics.Process.Start(updaterPath, arguments);
Environment.Exit(0);
}
}