Neue Funktion Schüler austragen statt aus Kurs löschen.

2026-08-15 23:38:42 +02:00
parent 52bb9c2c2f
commit da8d2bb1da
19 changed files with 473 additions and 114 deletions
@@ -17,6 +17,7 @@ public partial class GroupDetailView : UserControl
        if (DataContext is GroupDetailViewModel vm)
        {
            vm.OnAddStudent      = ShowAddStudentDialog;
+            vm.OnWithdrawStudent = ShowWithdrawStudentDialog;
            vm.OnAddExam         = ShowAddExamDialog;
            vm.OnEditExam        = ShowEditExamDialog;
            vm.OnDuplicateExam   = ShowDuplicateExamDialog;
@@ -42,6 +43,20 @@ public partial class GroupDetailView : UserControl
        return await dialog.ShowDialog<bool>(owner);
    }

+    private async Task<bool> ShowWithdrawStudentDialog(StudentSummary student)
+    {
+        if (DataContext is not GroupDetailViewModel vm || vm.Group is null) return false;
+        var memberships = App.Services.GetRequiredService<IGroupMembershipRepository>();
+        var membership = memberships.GetByStudentAndGroup(student.Id, vm.Group.Id);
+        if (membership is null) return false;
+
+        var dialogVm = new WithdrawStudentDialogViewModel(
+            memberships, membership, student.FullName, vm.Group.Name);
+        var dialog = new WithdrawStudentDialog { DataContext = dialogVm };
+        var owner = TopLevel.GetTopLevel(this) as Window;
+        return owner is not null && await dialog.ShowDialog<bool>(owner);
+    }
+
    private Task<bool> ShowAddExamDialog(Guid groupId) =>
        ShowExamDialog(groupId, editingExam: null, duplicateSource: null);