Stundenplan verbesserung

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

@@ -26,6 +26,8 @@ public partial class TimetableView : UserControl
             vm.OnImportWebUntisTimetable = ShowWebUntisTimetableDialog;
             vm.OnOpenLessonViewer = ShowLessonViewerDialog;
             vm.OnOpenTeachingMode = ShowTeachingMode;
+            vm.OnCreateLesson = ShowCreateLessonDialog;
+            vm.OnMoveLesson = ShowMoveLessonDialog;
         }
     }
 
@@ -33,10 +35,11 @@ public partial class TimetableView : UserControl
     /// Stelle gelöst, in der "Heute"-Tagesliste statt im Wochenraster): im Wochenraster oben
     /// führt ein Klick auf eine Stunden-Kachel bislang entweder in den Planungsviewer oder zur
     /// Einheitenplanung — je nachdem, ob schon eine Lesson existiert, ohne dass das von außen
-    /// erkennbar wäre. Popup-Menü (MenuFlyout, kein ComboBox mehr) mit allen vier Zielen als
+    /// erkennbar wäre. Popup-Menü (MenuFlyout, kein ComboBox mehr) mit allen Zielen einschließlich
+    /// Direktanlage und Verschieben als
     /// Alternative zum Direktklick, siehe <see cref="TimetableViewModel.OpenWeekCellCommand"/>
     /// für den "einheitlicheren" Standard-Klick (Unterrichtsansicht bei laufender Stunde, sonst
-    /// Planungsviewer, sonst Einheitenplanung). MenuItem.Click statt Command-Binding: ein
+    /// Planungsviewer, sonst Direktanlage). MenuItem.Click statt Command-Binding: ein
     /// $parent[ItemsControl]-Vorfahrenpfad (wie beim Zeilen-Button) funktioniert innerhalb eines
     /// Flyouts nicht zuverlässig, weil dessen Popup nicht im normalen visuellen Baum hängt (siehe
     /// TODO.md-Nachtrag zum Klassenlehrer-Bereich) — DataContext-Vererbung (kein Pfad-Suchen,
@@ -58,6 +61,14 @@ public partial class TimetableView : UserControl
                 if (cell.Lesson is { } viewLesson && vm.OnOpenLessonViewer is not null)
                     await vm.OnOpenLessonViewer(viewLesson);
                 break;
+            case TimetableLessonDestination.Create:
+                if (cell.Date is { } createDate && vm.OnCreateLesson is not null)
+                    await vm.OnCreateLesson(new TimetableLessonRequest(cell.GroupId, createDate, cell.PeriodNumber));
+                break;
+            case TimetableLessonDestination.Move:
+                if (cell.Lesson is { } moveLesson && vm.OnMoveLesson is not null)
+                    await vm.OnMoveLesson(new TimetableLessonMoveRequest(moveLesson, cell.PeriodNumber));
+                break;
             case TimetableLessonDestination.Planning:
                 if (cell.GroupId != Guid.Empty)
                     App.Services.GetRequiredService<MainWindowViewModel>().NavigateToGroupDetail(cell.GroupId, 6);
@@ -69,6 +80,96 @@ public partial class TimetableView : UserControl
         }
     }
 
+    private async Task ShowCreateLessonDialog(TimetableLessonRequest request)
+    {
+        var owner = TopLevel.GetTopLevel(this) as Window;
+        var groups = App.Services.GetRequiredService<IGroupRepository>();
+        var group = groups.GetById(request.GroupId);
+        if (owner is null || group is null || !group.IsActive) return;
+
+        var lessons = App.Services.GetRequiredService<ILessonRepository>();
+        if (lessons.GetByGroupAndDate(request.GroupId, request.Date)
+            .Any(l => l.LessonNumber == request.PeriodNumber))
+        {
+            App.Services.GetRequiredService<NotificationService>()
+                .ShowError("Für diesen Termin existiert bereits eine Stundenplanung.");
+            return;
+        }
+
+        var units = App.Services.GetRequiredService<IUnitRepository>();
+        var pickerVm = new TimetableUnitPickerViewModel(units, group.Id, group.Name,
+            request.Date, request.PeriodNumber);
+        var picker = new TimetableUnitPickerDialog { DataContext = pickerVm };
+        if (!await picker.ShowDialog<bool>(owner) || pickerVm.Result is not { } unit) return;
+
+        var groupLessons = units.GetByGroup(group.Id).SelectMany(u => lessons.GetByUnit(u.Id)).ToList();
+        var materials = groupLessons.SelectMany(l => l.Phases).Select(p => p.Material)
+            .Where(x => !string.IsNullOrWhiteSpace(x)).Distinct(StringComparer.OrdinalIgnoreCase)
+            .OrderBy(x => x, StringComparer.CurrentCultureIgnoreCase).ToList();
+        var shorthands = groupLessons.SelectMany(l => l.Phases).Select(p => p.Shorthand)
+            .Where(x => !string.IsNullOrWhiteSpace(x)).Distinct(StringComparer.OrdinalIgnoreCase)
+            .OrderBy(x => x, StringComparer.CurrentCultureIgnoreCase).ToList();
+        var subject = group.SubjectId is { } subjectId
+            ? App.Services.GetRequiredService<ISubjectRepository>().GetById(subjectId) : null;
+
+        var lessonVm = new LessonDialogViewModel(
+            lessons,
+            App.Services.GetRequiredService<IShorthandCodeRepository>(),
+            App.Services.GetRequiredService<IAlternativeLessonPathRepository>(),
+            App.Services.GetRequiredService<ITimetableSlotRepository>(),
+            App.Services.GetRequiredService<PeriodScheduleService>(),
+            App.Services.GetRequiredService<IAttachmentStorage>(),
+            unit.Id, group.Id, group.Name, subject?.Name ?? "", materials, shorthands,
+            editingLesson: null, suggestedDate: request.Date, suggestedPeriod: request.PeriodNumber);
+        var lessonDialog = new LessonDialog { DataContext = lessonVm };
+        if (await lessonDialog.ShowDialog<bool>(owner) && lessonVm.Result is not null)
+        {
+            if (pickerVm.ResultIsNew) units.Save(unit);
+            (DataContext as TimetableViewModel)?.Load();
+            App.Services.GetRequiredService<NotificationService>().ShowSuccess("Stunde angelegt.");
+        }
+    }
+
+    private async Task ShowMoveLessonDialog(TimetableLessonMoveRequest request)
+    {
+        var owner = TopLevel.GetTopLevel(this) as Window;
+        if (owner is null) return;
+        var lesson = request.Lesson;
+        var slots = App.Services.GetRequiredService<ITimetableSlotRepository>();
+        var schedule = App.Services.GetRequiredService<PeriodScheduleService>();
+        var anchor = lesson.LessonNumber;
+        var firstPartMinutes = anchor is int p ? schedule.GetDurationMinutes(p) : 0;
+        var isDouble = anchor is int start && firstPartMinutes > 0 &&
+            slots.GetByGroup(lesson.GroupId).Any(s => s.Weekday == lesson.Date.DayOfWeek &&
+                s.PeriodNumber == start + 1) && lesson.Phases.Sum(x => x.DurationMinutes) > firstPartMinutes;
+
+        var dialogVm = new MoveLessonDialogViewModel(lesson.Date, lesson.LessonNumber, isDouble,
+            isDouble && anchor is int a && request.SelectedPeriod > a);
+        var dialog = new MoveLessonDialog { DataContext = dialogVm };
+        if (!await dialog.ShowDialog<bool>(owner) || dialogVm.Result is not { } target) return;
+
+        try
+        {
+            var service = new LessonSchedulingService(App.Services.GetRequiredService<ILessonRepository>());
+            if (target.SplitDoubleLesson)
+            {
+                if (target.NewPeriod is not int newPeriod)
+                    throw new InvalidOperationException("Für den zweiten Teil ist eine Zielstunde erforderlich.");
+                service.SplitAndMoveSecondPart(lesson, firstPartMinutes, target.NewDate, newPeriod,
+                    schedule.GetTimes(newPeriod)?.Start);
+            }
+            else service.Move(lesson, target.NewDate, target.NewPeriod, target.ShiftFollowing);
+
+            (DataContext as TimetableViewModel)?.Load();
+            App.Services.GetRequiredService<NotificationService>().ShowSuccess(
+                target.SplitDoubleLesson ? "Doppelstunde getrennt und Fortsetzung verschoben." : "Stunde verschoben.");
+        }
+        catch (InvalidOperationException ex)
+        {
+            App.Services.GetRequiredService<NotificationService>().ShowError(ex.Message);
+        }
+    }
+
     private async Task ShowWebUntisTimetableDialog()
     {
         var owner = TopLevel.GetTopLevel(this) as Window;