Untis API Integration

LehrerApp.Desktop/Views/Planning/TimetableView.axaml

@@ -308,6 +308,11 @@
       <ContentPage Header="Bearbeiten">
         <ScrollViewer>
           <StackPanel Margin="32,20,32,28" Spacing="10">
+            <StackPanel Orientation="Horizontal" Spacing="8" Margin="0,0,0,6">
+              <Button Content="Aus WebUntis laden…" Command="{Binding ImportWebUntisTimetableCommand}"/>
+              <TextBlock Text="Importiert oder vergleicht eine typische Unterrichtswoche; Vertretungen bleiben im iCal-Abgleich."
+                         FontSize="11" Opacity="0.6" VerticalAlignment="Center"/>
+            </StackPanel>
             <!-- Zeilenweise (GridRows) statt eines flachen UniformGrid, siehe Kommentar im
                  Wochenraster oben (Heute-Tab) - gleicher Grund (Grid.RowDefinitions lässt sich
                  nicht per {Binding} setzen). -->

LehrerApp.Desktop/Views/Planning/TimetableView.axaml.cs

@@ -5,6 +5,7 @@ using LehrerApp.Core.Services;
 using LehrerApp.Desktop.ViewModels.Planning;
 using LehrerApp.Desktop.ViewModels.Groups;
 using LehrerApp.Desktop.Views.Groups;
+using LehrerApp.Desktop.Services;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace LehrerApp.Desktop.Views.Planning;
@@ -20,11 +21,27 @@ public partial class TimetableView : UserControl
         {
             vm.OnEditSlot = ShowSlotDialog;
             vm.OnAddSubstitution = ShowSubstitutionDialog;
+            vm.OnImportWebUntisTimetable = ShowWebUntisTimetableDialog;
             vm.OnOpenLessonViewer = ShowLessonViewerDialog;
             vm.OnOpenTeachingMode = ShowTeachingMode;
         }
     }
 
+    private async Task ShowWebUntisTimetableDialog()
+    {
+        var owner = TopLevel.GetTopLevel(this) as Window;
+        if (owner is null) return;
+        var vm = new WebUntisTimetableImportViewModel(
+            App.Services.GetRequiredService<WebUntisIntegrationService>(),
+            App.Services.GetRequiredService<WebUntisSettingsService>(),
+            App.Services.GetRequiredService<ITimetableSlotRepository>(),
+            App.Services.GetRequiredService<IGroupRepository>());
+        var dialog = new WebUntisTimetableImportDialog { DataContext = vm };
+        vm.OnCreateGroup = dialog.CreateGroupAsync;
+        await vm.InitializeAsync();
+        await dialog.ShowDialog<bool>(owner);
+    }
+
     private async Task ShowTeachingMode(Lesson lesson)
     {
         var owner = TopLevel.GetTopLevel(this) as Window;

LehrerApp.Desktop/Views/Planning/WebUntisTimetableImportDialog.axaml

@@ -0,0 +1,56 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="clr-namespace:LehrerApp.Desktop.ViewModels.Planning"
+        xmlns:svc="clr-namespace:LehrerApp.Desktop.Services"
+        x:Class="LehrerApp.Desktop.Views.Planning.WebUntisTimetableImportDialog"
+        x:DataType="vm:WebUntisTimetableImportViewModel"
+        Title="Stundenplan aus WebUntis" Width="820" Height="650"
+        MinWidth="680" MinHeight="480" WindowStartupLocation="CenterOwner">
+  <Grid RowDefinitions="Auto,Auto,*,Auto" Margin="24" RowSpacing="14">
+    <StackPanel Grid.Row="0" Spacing="4">
+      <TextBlock Text="Stundenplan aus WebUntis" Classes="dialogtitle"/>
+      <TextBlock Text="Wähle eine typische Unterrichtswoche. Vorhandene Einträge werden vorgeschlagen und erst nach Bestätigung ersetzt."
+                 FontSize="12" Opacity="0.65" TextWrapping="Wrap"/>
+    </StackPanel>
+    <Grid Grid.Row="1" ColumnDefinitions="2*,*,Auto" ColumnSpacing="10">
+      <ComboBox Grid.Column="0" ItemsSource="{Binding Teachers}" SelectedItem="{Binding SelectedTeacher}">
+        <ComboBox.ItemTemplate>
+          <DataTemplate x:DataType="svc:UntisTeacherDto"><TextBlock Text="{Binding DisplayName}"/></DataTemplate>
+        </ComboBox.ItemTemplate>
+      </ComboBox>
+      <DatePicker Grid.Column="1" SelectedDate="{Binding WeekDate}"/>
+      <Button Grid.Column="2" Content="Woche laden" Command="{Binding LoadCommand}" IsEnabled="{Binding !Busy}"/>
+    </Grid>
+    <ScrollViewer Grid.Row="2">
+      <ItemsControl ItemsSource="{Binding Rows}">
+        <ItemsControl.ItemTemplate>
+          <DataTemplate x:DataType="vm:WebUntisTimetableRow">
+            <Grid ColumnDefinitions="48,85,2*,2*,Auto" ColumnSpacing="8" Margin="0,3">
+              <TextBlock Grid.Column="0" Text="{Binding WeekdayLabel}" VerticalAlignment="Center" FontWeight="SemiBold"/>
+              <StackPanel Grid.Column="1">
+                <TextBlock Text="{Binding PeriodNumber, StringFormat={}{0}. Std.}" FontSize="12"/>
+                <TextBlock Text="{Binding TimeLabel}" FontSize="10" Opacity="0.6"/>
+              </StackPanel>
+              <TextBlock Grid.Column="2" Text="{Binding UntisLabel}" TextWrapping="Wrap" VerticalAlignment="Center"/>
+              <ComboBox Grid.Column="3" ItemsSource="{Binding GroupOptions}" SelectedItem="{Binding SelectedGroup}"
+                        PlaceholderText="nicht übernehmen">
+                <ComboBox.ItemTemplate>
+                  <DataTemplate x:DataType="vm:WebUntisGroupOption"><TextBlock Text="{Binding DisplayName}"/></DataTemplate>
+                </ComboBox.ItemTemplate>
+              </ComboBox>
+              <Button Grid.Column="4" Content="Neue Gruppe…" FontSize="11"
+                      Command="{Binding $parent[ItemsControl].((vm:WebUntisTimetableImportViewModel)DataContext).CreateGroupCommand}"
+                      CommandParameter="{Binding}"/>
+            </Grid>
+          </DataTemplate>
+        </ItemsControl.ItemTemplate>
+      </ItemsControl>
+    </ScrollViewer>
+    <Grid Grid.Row="3" ColumnDefinitions="*,Auto,Auto" ColumnSpacing="8">
+      <TextBlock Grid.Column="0" Text="{Binding Status}" FontSize="12" TextWrapping="Wrap" VerticalAlignment="Center"/>
+      <Button Grid.Column="1" Content="Abbrechen" Click="OnCancel"/>
+      <Button Grid.Column="2" Content="Zuordnung übernehmen" Command="{Binding SaveCommand}" Click="OnSave"
+              IsEnabled="{Binding !Busy}"/>
+    </Grid>
+  </Grid>
+</Window>

LehrerApp.Desktop/Views/Planning/WebUntisTimetableImportDialog.axaml.cs

@@ -0,0 +1,36 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using LehrerApp.Core.Models;
+using LehrerApp.Desktop.ViewModels.Groups;
+using LehrerApp.Desktop.ViewModels.Planning;
+using LehrerApp.Desktop.Views.Groups;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace LehrerApp.Desktop.Views.Planning;
+
+public partial class WebUntisTimetableImportDialog : Window
+{
+    public WebUntisTimetableImportDialog() => InitializeComponent();
+
+    private void OnCancel(object? sender, RoutedEventArgs e) => Close(false);
+    private void OnSave(object? sender, RoutedEventArgs e)
+    {
+        if (DataContext is WebUntisTimetableImportViewModel { Saved: true }) Close(true);
+    }
+
+    public async Task<LearningGroup?> CreateGroupAsync(WebUntisTimetableRow source)
+    {
+        var vm = App.Services.GetRequiredService<AddGroupDialogViewModel>();
+        vm.Name = source.SuggestedGroupName;
+        vm.Subject = source.SubjectName ?? "";
+        vm.GradeLevel = ParseGrade(source.SuggestedGroupName) ?? 10;
+        var dialog = new AddGroupDialog { DataContext = vm };
+        return await dialog.ShowDialog<bool>(this) ? vm.Result : null;
+    }
+
+    private static int? ParseGrade(string value)
+    {
+        var digits = new string(value.TakeWhile(char.IsDigit).ToArray());
+        return int.TryParse(digits, out var grade) && grade is >= 1 and <= 13 ? grade : null;
+    }
+}