Updater

Mlaumcherb.Client.Avalonia/Config.cs

@@ -1,5 +1,6 @@
 using Mlaumcherb.Client.Avalonia.зримое;
 using Mlaumcherb.Client.Avalonia.классы;
+using Mlaumcherb.Client.Avalonia.сеть.Update;
 using Mlaumcherb.Client.Avalonia.холопы;
 
 namespace Mlaumcherb.Client.Avalonia;
@@ -26,6 +27,13 @@ public record Config
         new() { name = "Mojang", url = "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json" },
     ];
     
+    public UpdateHelper.GiteaConfig gitea { get; set; } = new UpdateHelper.GiteaConfig
+    {
+        serverUrl = "https://timerix.ddns.net:3322",
+        user = "Timerix",
+        repo = "mlaumcherb",
+    };
+
     
     [JsonIgnore] private static IOPath _filePath = "млаумчерб.json";
     

Mlaumcherb.Client.Avalonia/Mlaumcherb.Client.Avalonia.csproj

@@ -1,5 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
+        <Version>1.1.0</Version>
         <OutputType Condition="'$(Configuration)' == 'Debug'">Exe</OutputType>
         <OutputType Condition="'$(Configuration)' != 'Debug'">WinExe</OutputType>
         <TargetFramework>net8.0</TargetFramework>
@@ -35,4 +36,8 @@
         <EmbeddedResource Include="встроенное\**" />
     </ItemGroup>
 
+    <ItemGroup>
+      <Folder Include="Gitea\" />
+    </ItemGroup>
+    
 </Project>

Mlaumcherb.Client.Avalonia/зримое/LauncherApp.axaml.cs

@@ -2,6 +2,9 @@ using Avalonia;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Markup.Xaml;
 using Mlaumcherb.Client.Avalonia.классы;
+using Mlaumcherb.Client.Avalonia.сеть;
+using Mlaumcherb.Client.Avalonia.сеть.Update;
+using Mlaumcherb.Client.Avalonia.холопы;
 
 namespace Mlaumcherb.Client.Avalonia.зримое;
 
@@ -18,6 +21,8 @@ public class LauncherApp : Application
         Logger.DebugLogEnabled = Config.debug;
         AvaloniaXamlLoader.Load(this);
 
+        Update();
+        
         // some file required by forge installer
         if (!File.Exists("launcher_profiles.json"))
         {
@@ -27,6 +32,27 @@ public class LauncherApp : Application
         InstalledVersionCatalog = InstalledVersionCatalog.Load();
     }
 
+    private async void Update()
+    {
+        try
+        {
+            Logger.LogInfo(nameof(LauncherApp), "checking for updates...");
+            var upd = new UpdateHelper(Config.gitea);
+            upd.DeleteBackupFiles();
+            if (await upd.IsUpdateAvailable())
+            {
+                Logger.LogInfo(nameof(LauncherApp), "downloading update...");
+                await upd.UpdateSelf();
+                Logger.LogInfo(nameof(LauncherApp), "restarting...");
+                upd.RestartSelf();
+            }
+        }
+        catch (Exception e)
+        {
+            ErrorHelper.ShowMessageBox(nameof(LauncherApp), e);
+        }
+    }
+
     public override void OnFrameworkInitializationCompleted()
     {
         if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)

Mlaumcherb.Client.Avalonia/зримое/MainWindow.axaml

@@ -178,6 +178,7 @@
                     <Button Classes="menu_button button_no_border" Click="ОткрытьФайлЛогов">лог-файл</Button>
                 </StackPanel>
                 <StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
+                    <TextBlock Name="LauncherVersionTextBox"/>
                     <Button Classes="menu_button button_no_border" Click="ОткрытьРепозиторий">исходный код</Button>
                     <gif:GifImage 
                         Width="30" Height="30" Stretch="Uniform"

Mlaumcherb.Client.Avalonia/зримое/MainWindow.axaml.cs

@@ -1,3 +1,4 @@
+using System.Reflection;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Data;
@@ -70,6 +71,7 @@ public partial class MainWindow : Window
         try
         {
             LauncherApp.Logger.OnLogMessage += GuiLogMessage;
+            LauncherVersionTextBox.Text = $"v {Assembly.GetExecutingAssembly().GetName().Version}";
 
             PlayerName = LauncherApp.Config.player_name;
             MemoryLimit = LauncherApp.Config.max_memory;

Mlaumcherb.Client.Avalonia/сеть/Update/Gitea.cs

@@ -0,0 +1,38 @@
+using System.Linq;
+
+namespace Mlaumcherb.Client.Avalonia.сеть.Update;
+
+public class Release
+{
+    [JsonRequired] public int id { get; set; }
+    [JsonRequired] public string tag_name { get; set; } = "";
+    [JsonRequired] public DateTime created_at { get; set; }
+    // ReSharper disable once CollectionNeverUpdated.Global
+    public List<Asset> assets { get; set; } = new();
+    
+    public class Asset
+    {
+        [JsonRequired] public int id { get; set; }
+        [JsonRequired] public string name { get; set; } = "";
+        [JsonRequired] public int size { get; set; }
+        [JsonRequired] public DateTime created_at { get; set; }
+        [JsonRequired] public string browser_download_url { get; set; } = "";
+
+        public async Task Download(IOPath localPath)
+        {
+            await NetworkHelper.DownloadFile(browser_download_url, localPath);
+        }
+    }
+
+    public Asset? FindAssetByName(string name) => 
+        assets.FirstOrDefault(a => a.name == name);
+}
+
+public class GiteaClient(string ServerUrl)
+{
+    public async Task<Release> GetLatestRelease(string user, string repo)
+    {
+        string url = $"{ServerUrl}//api/v1/repos/{user}/{repo}/releases/latest";
+        return await NetworkHelper.DownloadStringAndDeserialize<Release>(url);
+    }
+}

Mlaumcherb.Client.Avalonia/сеть/Update/UpdateHelper.cs

@@ -0,0 +1,74 @@
+using System.Diagnostics;
+using System.Reflection;
+
+namespace Mlaumcherb.Client.Avalonia.сеть.Update;
+
+public class UpdateHelper
+{
+    private readonly string _executableName = "млаумчерб.exe";
+    private readonly IOPath executablePathActual;
+    private readonly IOPath executablePathOld;
+    private readonly IOPath executablePathNew;
+
+    
+    public class GiteaConfig
+    {
+        [JsonRequired] public required string serverUrl { get; set; }
+        [JsonRequired] public required string user { get; set; }
+        [JsonRequired] public required string repo { get; set; }
+    }
+    
+    private GiteaConfig _giteaConfig;
+    
+    public UpdateHelper(GiteaConfig giteaConfig)
+    {
+        _giteaConfig = giteaConfig;
+        executablePathActual = _executableName;
+        executablePathOld = _executableName + ".old";
+        executablePathNew = _executableName + ".new";
+        Gitea = new GiteaClient(giteaConfig.serverUrl);
+    }
+
+    public GiteaClient Gitea { get; }
+
+    public void DeleteBackupFiles()
+    {
+        if(File.Exists(executablePathOld))
+            File.Delete(executablePathOld);
+    }
+    
+    public async Task<bool> IsUpdateAvailable()
+    {
+        var latest = await Gitea.GetLatestRelease(_giteaConfig.user, _giteaConfig.repo);
+        if (!Version.TryParse(latest.tag_name, out var latestVersion))
+            throw new Exception($"Can't parse version of latest release: {latest.tag_name}");
+
+        Version? currentVersion = Assembly.GetExecutingAssembly().GetName().Version;
+        if(currentVersion is null)
+            throw new Exception($"Can't get current version from {Assembly.GetExecutingAssembly().GetName()}");
+
+        return currentVersion < latestVersion;
+    }
+
+    public async Task UpdateSelf()
+    {
+        if(File.Exists(executablePathNew))
+            File.Delete(executablePathNew);
+        
+        var latest = await Gitea.GetLatestRelease(_giteaConfig.user, _giteaConfig.repo);
+        var asset = latest.FindAssetByName(_executableName);
+        if(asset == null)
+            throw new Exception($"Can't find updated executable on gitea: {_executableName}");
+        await asset.Download(executablePathNew);
+        
+        File.Move(executablePathActual, executablePathOld, true);
+        File.Move(executablePathNew, executablePathActual, true);
+    }
+
+    public void RestartSelf()
+    {
+        Process.Start(executablePathActual.ToString());
+        Thread.Sleep(500);
+        Environment.Exit(0);
+    }
+}