can delete sessions with deletion of plan

rowers/views/planviews.py

@@ -3335,6 +3335,13 @@ class TrainingPlanDelete(DeleteView):
     template_name = 'trainingplan_delete.html'
     success_url = reverse_lazy(rower_create_trainingplan)
 
+    def post(self, request, *args, **kwargs):
+        delete_sessions = request.POST.get('delete_sessions')
+        delete_all_sessions = request.POST.get('delete_all_sessions')
+        self.object = self.get_object()
+        self.object.delete(delete_sessions=delete_sessions, delete_all_sessions=delete_all_sessions)
+        return HttpResponseRedirect(self.get_success_url())
+
     def get_object(self, *args, **kwargs):
         obj = super(TrainingPlanDelete, self).get_object(*args, **kwargs)
         if not can_delete_plan(self.request.user, obj):  # pragma: no cover