Check for updates on startup

ZuneModdingHelper/AppWindow.xaml.cs

@@ -45,6 +45,9 @@ namespace ZuneModdingHelper
         {
             await _settings.LoadAsync();
 
+            // Check for updates in the background
+            UpdateHelper.Instance.CheckForUpdatesAsync(false);
+
             // Show a warning if Zune isn't found. Usually happens if Zune isn't installed,
             // is installed in an unusual directory, or the user is running ZMH 32-bit
             // on a 64-bit system.

ZuneModdingHelper/Pages/AboutPage.xaml.cs

@@ -1,12 +1,5 @@
-using CommunityToolkit.Mvvm.DependencyInjection;
+using System.Windows.Controls;
-using CommunityToolkit.Mvvm.Input;
-using CommunityToolkit.Mvvm.Messaging;
-using Syroot.Windows.IO;
-using System;
-using System.Threading.Tasks;
-using System.Windows.Controls;
 using System.Windows.Navigation;
-using ZuneModdingHelper.Messages;
 using ZuneModdingHelper.Services;
 
 namespace ZuneModdingHelper.Pages
@@ -16,19 +9,13 @@ namespace ZuneModdingHelper.Pages
     /// </summary>
     public partial class AboutPage : UserControl
     {
-        const string UPDATES_DIALOG_TITLE = "UPDATES";
-
-        private readonly IUpdateService? _updateService = Ioc.Default.GetService<IUpdateService>();
-        private UpdateAvailableInfo _updateInfo;
-        private string _downloadedUpdatePath;
-
         public AboutPage()
         {
             DataContext = this;
             InitializeComponent();
         }
 
-        public bool EnableCheckForUpdates => _updateService is not null;
+        public bool EnableCheckForUpdates => UpdateHelper.Instance.Enabled;
 
         private void Link_RequestNavigate(object sender, RequestNavigateEventArgs e)
         {
@@ -38,110 +25,7 @@ namespace ZuneModdingHelper.Pages
 
         private async void UpdateCheckButton_Click(object sender, System.Windows.RoutedEventArgs e)
         {
-            if (_updateService is null)
+            await UpdateHelper.Instance.CheckForUpdatesAsync(true);
-                return;
-
-            WeakReferenceMessenger.Default.Send(new ShowDialogMessage(new ProgressDialogViewModel
-            {
-                Title = UPDATES_DIALOG_TITLE,
-                Description = "Checking for updates, please wait...",
-                IsIndeterminate = true,
-                ShowAffirmativeButton = false,
-            }));
-
-            try
-            {
-                _updateInfo = await _updateService.FetchAvailableUpdate();
-                if (_updateInfo is null)
-                {
-                    WeakReferenceMessenger.Default.Send<CloseDialogMessage>();
-                    WeakReferenceMessenger.Default.Send(new ShowDialogMessage(new DialogViewModel
-                    {
-                        Title = UPDATES_DIALOG_TITLE,
-                        Description = "No updates available.\r\n\r\nYou're already using the latest version.",
-                        ShowAffirmativeButton = true,
-                    }));
-                    return;
-                }
-
-                // Newer version available, prompt user to download
-
-                WeakReferenceMessenger.Default.Send<CloseDialogMessage>();
-                WeakReferenceMessenger.Default.Send(new ShowDialogMessage(new DialogViewModel
-                {
-                    Title = UPDATES_DIALOG_TITLE,
-                    Description = $"Release {_updateInfo.Name} is available. Would you like to download it now?",
-                    AffirmativeText = "YES",
-                    NegativeText = "NO",
-                    ShowAffirmativeButton = true,
-                    ShowNegativeButton = true,
-                    OnAction = new AsyncRelayCommand<bool>(OnUpdateDialogResult)
-                }));
-            }
-            catch
-            {
-                App.OpenInBrowser("https://github.com/ZuneDev/ZuneModdingHelper/releases");
-                WeakReferenceMessenger.Default.Send<CloseDialogMessage>();
-            }
-        }
-
-        private async Task OnUpdateDialogResult(bool accepted)
-        {
-            WeakReferenceMessenger.Default.Send<CloseDialogMessage>();
-            if (!accepted)
-                return;
-
-            ProgressDialogViewModel prog = new()
-            {
-                Title = UPDATES_DIALOG_TITLE,
-                Description = "Downloading update...\r\nThis may take a few minutes.",
-                IsIndeterminate = true,
-                ShowAffirmativeButton = false,
-                ShowNegativeButton = false,
-                Maximum = 1.0,
-            };
-            WeakReferenceMessenger.Default.Send(new ShowDialogMessage(prog));
-
-            // Ask user to save file
-            Microsoft.Win32.SaveFileDialog saveFileDialog = new()
-            {
-                FileName = _updateInfo.Name,
-                InitialDirectory = new KnownFolder(KnownFolderType.Downloads).Path
-            };
-            bool dialogResult = saveFileDialog.ShowDialog() ?? false;
-            WeakReferenceMessenger.Default.Send<CloseDialogMessage>();
-
-            if (dialogResult)
-            {
-                _downloadedUpdatePath = saveFileDialog.FileName;
-
-                // Download new version to requested folder with progress updates
-                Progress<double> progress = new(p => prog.Progress = p);
-                prog.Progress = 0;
-                prog.IsIndeterminate = false;
-                await _updateService.DownloadUpdate(_updateInfo, _downloadedUpdatePath, progress);
-
-                WeakReferenceMessenger.Default.Send(new ShowDialogMessage(new DialogViewModel
-                {
-                    Title = UPDATES_DIALOG_TITLE,
-                    Description = "Update downloaded. Would you like to launch the new version?",
-                    AffirmativeText = "YES",
-                    NegativeText = "NO",
-                    ShowAffirmativeButton = true,
-                    ShowNegativeButton = true,
-                    OnAction = new AsyncRelayCommand<bool>(OnLaunchUpdateDialogResult)
-                }));
-            }
-        }
-
-        private async Task OnLaunchUpdateDialogResult(bool accepted)
-        {
-            WeakReferenceMessenger.Default.Send<CloseDialogMessage>();
-            if (!accepted)
-                return;
-
-            // In the future, this should launch an installer
-            System.Diagnostics.Process.Start("explorer", _downloadedUpdatePath);
         }
     }
 }

ZuneModdingHelper/Services/UpdateHelper.cs

@@ -0,0 +1,155 @@
+using CommunityToolkit.Mvvm.DependencyInjection;
+using CommunityToolkit.Mvvm.Input;
+using CommunityToolkit.Mvvm.Messaging;
+using Syroot.Windows.IO;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using ZuneModdingHelper.Messages;
+
+namespace ZuneModdingHelper.Services;
+
+public class UpdateHelper
+{
+    public const string UPDATES_DIALOG_TITLE = "UPDATES";
+
+    private readonly IUpdateService? _updateService = Ioc.Default.GetService<IUpdateService>();
+    private bool _isRunning = false;
+    private UpdateAvailableInfo _updateInfo;
+    private string _downloadedUpdatePath;
+
+    public static UpdateHelper Instance { get; } = new();
+
+    public bool Enabled => _updateService is not null;
+
+    public async Task CheckForUpdatesAsync(bool isUserTriggered)
+    {
+        if (_isRunning)
+            return;
+
+        _isRunning = true;
+
+        if (isUserTriggered)
+        {
+            WeakReferenceMessenger.Default.Send(new ShowDialogMessage(new ProgressDialogViewModel
+            {
+                Title = UPDATES_DIALOG_TITLE,
+                Description = "Checking for updates, please wait...",
+                IsIndeterminate = true,
+                ShowAffirmativeButton = false,
+            }));
+        }
+
+        try
+        {
+            await Task.Delay(5000);
+            _updateInfo = await _updateService.FetchAvailableUpdate();
+
+            if (isUserTriggered)
+                WeakReferenceMessenger.Default.Send<CloseDialogMessage>();
+
+            if (_updateInfo is null)
+            {
+                if (isUserTriggered)
+                {
+                    WeakReferenceMessenger.Default.Send(new ShowDialogMessage(new DialogViewModel
+                    {
+                        Title = UPDATES_DIALOG_TITLE,
+                        Description = "No updates available.\r\n\r\nYou're already using the latest version.",
+                        ShowAffirmativeButton = true,
+                    }));
+                }
+
+                _isRunning = false;
+                return;
+            }
+
+            // Newer version available, prompt user to download
+
+            WeakReferenceMessenger.Default.Send(new ShowDialogMessage(new DialogViewModel
+            {
+                Title = UPDATES_DIALOG_TITLE,
+                Description = $"Release {_updateInfo.Name} is available. Would you like to download it now?",
+                AffirmativeText = "YES",
+                NegativeText = "NO",
+                ShowAffirmativeButton = true,
+                ShowNegativeButton = true,
+                OnAction = new AsyncRelayCommand<bool>(OnUpdateDialogResult)
+            }));
+        }
+        catch
+        {
+            if (isUserTriggered)
+            {
+                App.OpenInBrowser($"{App.RepoUri}/releases");
+                WeakReferenceMessenger.Default.Send<CloseDialogMessage>();
+            }
+
+            _isRunning = false;
+        }
+    }
+
+    private async Task OnUpdateDialogResult(bool accepted)
+    {
+        WeakReferenceMessenger.Default.Send<CloseDialogMessage>();
+        if (!accepted)
+            return;
+
+        ProgressDialogViewModel prog = new()
+        {
+            Title = UPDATES_DIALOG_TITLE,
+            Description = "Downloading update...\r\nThis may take a few minutes.",
+            IsIndeterminate = true,
+            ShowAffirmativeButton = false,
+            ShowNegativeButton = false,
+            Maximum = 1.0,
+        };
+        WeakReferenceMessenger.Default.Send(new ShowDialogMessage(prog));
+
+        // Ask user to save file
+        Microsoft.Win32.SaveFileDialog saveFileDialog = new()
+        {
+            FileName = _updateInfo.Name,
+            InitialDirectory = new KnownFolder(KnownFolderType.Downloads).Path
+        };
+        bool dialogResult = saveFileDialog.ShowDialog() ?? false;
+        WeakReferenceMessenger.Default.Send<CloseDialogMessage>();
+
+        if (dialogResult)
+        {
+            _downloadedUpdatePath = saveFileDialog.FileName;
+
+            // Download new version to requested folder with progress updates
+            Progress<double> progress = new(p => prog.Progress = p);
+            prog.Progress = 0;
+            prog.IsIndeterminate = false;
+            await _updateService.DownloadUpdate(_updateInfo, _downloadedUpdatePath, progress);
+
+            WeakReferenceMessenger.Default.Send(new ShowDialogMessage(new DialogViewModel
+            {
+                Title = UPDATES_DIALOG_TITLE,
+                Description = "Update downloaded. Would you like to launch the new version?",
+                AffirmativeText = "YES",
+                NegativeText = "NO",
+                ShowAffirmativeButton = true,
+                ShowNegativeButton = true,
+                OnAction = new AsyncRelayCommand<bool>(OnLaunchUpdateDialogResult)
+            }));
+        }
+
+        _isRunning = false;
+    }
+
+    private async Task OnLaunchUpdateDialogResult(bool accepted)
+    {
+        WeakReferenceMessenger.Default.Send<CloseDialogMessage>();
+        if (!accepted)
+            return;
+
+        // In the future, this should launch an installer
+        System.Diagnostics.Process.Start("explorer", _downloadedUpdatePath);
+    }
+}