migration

test/Discovery.Loader.Avalonia/ViewModels/MainViewModel.cs

@@ -0,0 +1,105 @@
+using Avalonia.Threading;
+using Discovery.Loader.Models;
+using Discovery.Loader.Services;
+using ReactiveUI;
+
+namespace Discovery.Loader.ViewModels;
+
+public class MainViewModel : ViewModelBase
+{
+    public string? Text
+    {
+        get => _text;
+        set => this.RaiseAndSetIfChanged(ref _text, value);
+    }
+
+    private string? _text;
+
+    public double Progress
+    {
+        get => _progress;
+        set => this.RaiseAndSetIfChanged(ref _progress, value);
+    }
+
+    private double _progress;
+
+    public async Task InstallAsync(UpdateService updater, Update update)
+    {
+        if (!updater.AppDir.Exists)
+            updater.AppDir.Create();
+
+        Dispatcher.UIThread.Invoke(() =>
+        {
+            Text = "Install";
+        });
+
+        var download = await updater.DownloadAsync(update, (p) => Task.Run(() =>
+        {
+            Dispatcher.UIThread.Invoke(() =>
+            {
+                Progress = p;
+            }, DispatcherPriority.Default, default);
+        }, default));
+
+        if (!download)
+        {
+            Dispatcher.UIThread.Invoke(() =>
+            {
+                Text = "Failed to install";
+            });
+
+            await Task.Delay(3000);
+            return;
+        }
+
+        updater.Extract();
+
+        await Task.Delay(1000);
+    }
+
+    public async Task UpdateAsync(UpdateService updater, Update update)
+    {
+        Dispatcher.UIThread.Invoke(() =>
+        {
+            Text = "Download Update";
+        });
+
+        var download = await updater.DownloadAsync(update, (p) => Task.Run(() =>
+        {
+            Dispatcher.UIThread.Invoke(() =>
+            {
+                Progress = p;
+            }, DispatcherPriority.Default, default);
+        }, default));
+
+        if (!download)
+        {
+            Dispatcher.UIThread.Invoke(() =>
+            {
+                Text = "Failed to download Update!";
+            });
+
+            await Task.Delay(3000);
+            return;
+        }
+
+        Dispatcher.UIThread.Invoke(() =>
+        {
+            Text = "Extract Update";
+        });
+
+        updater.Extract();
+
+        await Task.Delay(1000);
+    }
+
+    public async Task ErrorAsync(string message)
+    {
+        Dispatcher.UIThread.Invoke(() =>
+        {
+            Text = message;
+        });
+
+        await Task.Delay(3000);
+    }
+}