/// <summary>
/// Deletes the exercise.
/// </summary>
private async void DeleteExercise()
{
ViewExerciseContentDialog.Hide();
var result = await DeleteExerciseContentDialog.ShowAsync();
var selectedExercise = (Exercise)ExercisesListView.SelectedItem;
if (result != ContentDialogResult.Primary)
{
return;
}
if (selectedExercise == null)
{
return;
}
try
{
if (!await Tasks.Instance.DeleteTask(selectedExercise))
{
await new MessageDialog("Failed to delete exercise", "Error").ShowAsync();
}
}
catch (Exception e)
{
await e.Display("Failed to delete exercise.");
await e.Log();
}
CourseExercises.Remove(selectedExercise);
var selectedCourse = (Course)CoursesListView.SelectedItem;
selectedCourse?.Exercises.Remove(selectedExercise);
}
/// <summary>
/// Edits the exercise.
/// </summary>
private async void EditExercise()
{
ViewExerciseContentDialog.Hide();
var selectedExercise = (Exercise)ExercisesListView.SelectedItem;
EditExerciseContentDialog.DataContext = selectedExercise;
var result = await EditExerciseContentDialog.ShowAsync();
if (result != ContentDialogResult.Primary)
{
return;
}
try
{
await Tasks.Instance.UpdateTask(selectedExercise);
}
catch (Exception ex)
{
await ex.Display("Failed to edit exercise.");
await ex.Log();
}
}