New startup window.

Wino.Mail.WinUI/Dialogs/WhatIsNewDialog.xaml.cs

@@ -2,8 +2,7 @@ using System.Collections.Generic;
 using System.Threading.Tasks;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
-using Microsoft.UI.Xaml.Input;
-using Windows.System;
+using Wino.Core.Domain;
 using Wino.Core.Domain.Interfaces;
 using Wino.Core.Domain.Models.Updates;
 
@@ -12,61 +11,93 @@ namespace Wino.Dialogs;
 public sealed partial class WhatIsNewDialog : ContentDialog
 {
     private readonly IUpdateManager _updateManager;
+    private readonly UpdateNotes _notes;
 
     public List<UpdateNoteSection> Sections { get; }
 
+    private bool _canClose = false;
+
     public WhatIsNewDialog(UpdateNotes notes, IUpdateManager updateManager)
     {
         InitializeComponent();
 
+        _notes = notes;
         _updateManager = updateManager;
         Sections = notes.Sections;
 
-        // Set the number of pages in the pip pager after sections are assigned.
-        FlipViewPager.NumberOfPages = Sections.Count;
-
         // Show the Get Started button immediately when there is only one page.
-        if (Sections.Count <= 1)
-            GetStartedButton.Visibility = Visibility.Visible;
+        UpdateNotesControl.SelectedIndexChanged += OnUpdateSectionChanged;
+        UpdateGetStartedButtonVisibility(UpdateNotesControl.SelectedIndex);
+
+        InitializeMigrationStatus();
+        Closing += OnDialogClosing;
     }
 
-    protected override void OnKeyDown(KeyRoutedEventArgs e)
+    private void OnUpdateSectionChanged(object? sender, int selectedIndex)
+        => UpdateGetStartedButtonVisibility(selectedIndex);
+
+    private void UpdateGetStartedButtonVisibility(int selectedIndex)
     {
-        // Block ESC key to prevent accidental dismissal.
-        if (e.Key == VirtualKey.Escape)
-        {
-            e.Handled = true;
-            return;
-        }
-
-        base.OnKeyDown(e);
-    }
-
-    private void OnFlipViewSelectionChanged(object sender, SelectionChangedEventArgs e)
-    {
-        int selectedIndex = UpdateFlipView.SelectedIndex;
-
-        // Keep pip pager in sync with the flip view.
-        FlipViewPager.SelectedPageIndex = selectedIndex;
-
-        // Show Get Started button only on the last page.
         GetStartedButton.Visibility = selectedIndex == Sections.Count - 1
             ? Visibility.Visible
             : Visibility.Collapsed;
     }
 
-    private void OnPipsPagerSelectedIndexChanged(PipsPager sender, PipsPagerSelectedIndexChangedEventArgs args)
+    private void InitializeMigrationStatus()
     {
-        UpdateFlipView.SelectedIndex = sender.SelectedPageIndex;
+        if (!_notes.HasPendingMigrations ||
+            string.IsNullOrWhiteSpace(_notes.Migration.TitleKey) ||
+            string.IsNullOrWhiteSpace(_notes.Migration.DescriptionKey))
+            return;
+
+        MigrationTitleText.Text = Translator.GetTranslatedString(_notes.Migration.TitleKey);
+        MigrationDescriptionText.Text = Translator.GetTranslatedString(_notes.Migration.DescriptionKey);
+    }
+
+    private void OnDialogClosing(ContentDialog sender, ContentDialogClosingEventArgs args)
+    {
+        // Only allow closing when Get Started button was clicked.
+        if (!_canClose)
+            args.Cancel = true;
     }
 
     private async void OnGetStartedClicked(object sender, RoutedEventArgs e)
     {
         GetStartedButton.IsEnabled = false;
+        ContinueAnywayButton.Visibility = Visibility.Collapsed;
+        MigrationErrorText.Visibility = Visibility.Collapsed;
 
-        await _updateManager.RunPendingMigrationsAsync();
+        if (_notes.HasPendingMigrations)
+        {
+            GetStartedButton.Content = Translator.WhatIsNew_PreparingForNewVersionButton;
+            MigrationPanel.Visibility = Visibility.Visible;
+            MigrationProgressBar.Visibility = Visibility.Visible;
+        }
+
+        try
+        {
+            await _updateManager.RunPendingMigrationsAsync();
+            _updateManager.MarkUpdateNotesAsSeen();
+        }
+        catch (System.Exception ex)
+        {
+            MigrationProgressBar.Visibility = Visibility.Collapsed;
+            MigrationErrorText.Text = string.Format(Translator.WhatIsNew_MigrationFailedMessage, ex.GetType().Name);
+            MigrationErrorText.Visibility = Visibility.Visible;
+            ContinueAnywayButton.Visibility = Visibility.Visible;
+            GetStartedButton.IsEnabled = true;
+            GetStartedButton.Content = Translator.WhatIsNew_GetStartedButton;
+            return;
+        }
+
+        _canClose = true;
+        Hide();
+    }
+
+    private void OnContinueAnywayClicked(object sender, RoutedEventArgs e)
+    {
         _updateManager.MarkUpdateNotesAsSeen();
-
+        _canClose = true;
         Hide();
     }
 }