Hausaufgaben feature und Stundeplan fix

LehrerApp.Desktop/Views/Dashboard/DashboardView.axaml

@@ -28,6 +28,8 @@
         <WrapPanel Grid.Row="1" Orientation="Horizontal" ItemSpacing="8" LineSpacing="8" Margin="0,10,0,0">
           <Button Content="Klassenbuch abgleichen…" Click="OnCompareWebUntisDocumentationClick"
                   VerticalAlignment="Center"/>
+          <Button Content="Fehlende Hausaufgaben abgleichen…" Click="OnCompareWebUntisHomeworkClick"
+                  VerticalAlignment="Center"/>
           <Button Content="Bereiche anpassen" Command="{Binding ToggleDashboardSettingsCommand}"
                   VerticalAlignment="Center"/>
         </WrapPanel>

LehrerApp.Desktop/Views/Dashboard/DashboardView.axaml.cs

@@ -5,7 +5,9 @@ using LehrerApp.Core.Models;
 using LehrerApp.Core.Services;
 using LehrerApp.Desktop.Services;
 using LehrerApp.Desktop.ViewModels;
+using LehrerApp.Desktop.ViewModels.Groups;
 using LehrerApp.Desktop.ViewModels.Students;
+using LehrerApp.Desktop.Views.Groups;
 using LehrerApp.Desktop.Views.Students;
 using LehrerApp.Desktop.Views.Workload;
 using Microsoft.Extensions.DependencyInjection;
@@ -42,4 +44,20 @@ public partial class DashboardView : UserControl
             App.Services.GetRequiredService<SchoolYearService>());
         await new WebUntisDocumentationComparisonDialog { DataContext = dialogVm }.ShowDialog(owner);
     }
+
+    private async void OnCompareWebUntisHomeworkClick(object? sender, RoutedEventArgs e)
+    {
+        var owner = TopLevel.GetTopLevel(this) as Window;
+        if (owner is null) return;
+        var dialogVm = new WebUntisHomeworkComparisonViewModel(
+            App.Services.GetRequiredService<WebUntisIntegrationService>(),
+            App.Services.GetRequiredService<IStudentRepository>(),
+            App.Services.GetRequiredService<IGroupRepository>(),
+            App.Services.GetRequiredService<ISubjectRepository>(),
+            App.Services.GetRequiredService<IGroupMembershipRepository>(),
+            App.Services.GetRequiredService<IParticipationSessionRepository>(),
+            App.Services.GetRequiredService<IParticipationRepository>(),
+            App.Services.GetRequiredService<SchoolYearService>());
+        await new WebUntisHomeworkComparisonDialog { DataContext = dialogVm }.ShowDialog(owner);
+    }
 }