feat: improving update process

This is a "try it in prod" situation. I need the executables to both
have the new updater to a real test of the code.

#6

Author: ProgrammingByPermutation

src/TwitchStreamingTools/ViewModels/MainWindowViewModel.cs

@@ -40,6 +40,8 @@ public class MainWindowViewModel : ViewModelBase {
   /// </summary>
   private MenuItem _selectedMenuItem;
 
+  private string? _error;
+
   /// <summary>
   ///   Initializes a new instance of the <see cref="MainWindowViewModel" /> class.
   /// </summary>
@@ -102,6 +104,14 @@ public MenuItem SelectedMenuItem {
     set => this.RaiseAndSetIfChanged(ref _selectedMenuItem, value);
   }
 
+  /// <summary>
+  /// fuck
+  /// </summary>
+  public string? Error {
+    get => _error;
+    set => this.RaiseAndSetIfChanged(ref _error, value);
+  }
+
   /// <summary>
   ///   Links the <see cref="Page" /> showing on the screen with changes to the <see cref="SelectedMenuItem" />.
   /// </summary>

src/TwitchStreamingTools/ViewModels/NewVersionWindowViewModel.cs

@@ -90,10 +90,14 @@ private void CloseWindowCommand(Window self) {
   ///   Launches the web browser at the new release page.
   /// </summary>
   private void LaunchBrowser() {
-    if (string.IsNullOrWhiteSpace(_newVersionUrl)) {
-      return;
-    }
-
-    Process.Start("explorer", _newVersionUrl);
+    GitHubUpdateManager.PrepareUpdate()
+      .ContinueWith(_ => {
+        if (string.IsNullOrWhiteSpace(_newVersionUrl)) {
+          return;
+        }
+
+        Process.Start("explorer", _newVersionUrl);
+        GitHubUpdateManager.ExitApplicationToUpdate();
+      }).ConfigureAwait(false);
   }
 }

src/TwitchStreamingTools/Views/MainWindow.axaml

@@ -57,6 +57,7 @@
                 <SplitView.Pane>
                     <StackPanel Spacing="5"
                                 Margin="5">
+                        <TextBox Text="{Binding Error}"/>
                         <Button Command="{Binding OnToggleMenu}">
                             <PathIcon Data="{StaticResource LineHorizontal3Regular}" />
                         </Button>

src/TwitchStreamingTools/Views/MainWindow.axaml.cs

@@ -1,19 +1,21 @@
+#if !DEBUG
+using Avalonia.Threading;
+
+using Microsoft.Extensions.DependencyInjection;
+#endif
+using TwitchStreamingTools.ViewModels;
+
+using Avalonia;
+
 using System;
+using System.Linq;
 using System.Reflection;
 using System.Threading.Tasks;
 
 using Avalonia.Controls;
-
-using Nullinside.Api.Common.Desktop;
-#if !DEBUG
 using Avalonia.Threading;
 
-using Microsoft.Extensions.DependencyInjection;
-
-using TwitchStreamingTools.ViewModels;
-#else
-using Avalonia;
-#endif
+using Nullinside.Api.Common.Desktop;
 
 namespace TwitchStreamingTools.Views;
 
@@ -43,6 +45,25 @@ public MainWindow() {
   protected override void OnInitialized() {
     base.OnInitialized();
 
+    string[] args = Environment.GetCommandLineArgs();
+    if (args.Contains("--update")) {
+      _ = GitHubUpdateManager.PerformUpdateAndRestart("nullinside-development-group", "twitch-streaming-tools", args[2], "windows-x64.zip").ContinueWith(t => {
+        Dispatcher.UIThread.Invoke(() => {
+          var fuck = (this.DataContext as MainWindowViewModel);
+          if (null == fuck) {
+            return;
+          }
+
+          fuck.Error = t.Exception?.Message ?? "No error message was provided.";
+        });
+      });
+      return;
+    }
+
+    if (args.Contains("--justUpdated")) {
+      _ = GitHubUpdateManager.CleanupUpdate();
+    }
+
     Task.Factory.StartNew(async () => {
       GithubLatestReleaseJson? serverVersion =
         await GitHubUpdateManager.GetLatestVersion("nullinside-development-group", "twitch-streaming-tools");
@@ -72,12 +93,19 @@ protected override void OnInitialized() {
       }
 
       vm.LocalVersion = localVersion;
-      Dispatcher.UIThread.Post(async () => {
-        var versionWindow = new NewVersionWindow {
-          DataContext = vm
-        };
+      Dispatcher.UIThread.Post(async void () => {
+        try
+        {
+          var versionWindow = new NewVersionWindow {
+            DataContext = vm
+          };
 
-        await versionWindow.ShowDialog(this);
+          await versionWindow.ShowDialog(this);
+        }
+        catch
+        {
+          // do nothing, don't crash
+        }
       });
 #endif
     });