can delete sessions with deletion of plan

rowers/models.py

@@ -1978,6 +1978,21 @@ class TrainingPlan(models.Model):
 
         return stri
 
+    def delete(self, *args, **kwargs):
+        delete_sessions = kwargs.pop('delete_sessions', False)
+        delete_all_sessions = kwargs.pop('delete_all_sessions', False)
+        if delete_sessions:
+            sessions = PlannedSession.objects.filter(from_plan=self)
+            for s in sessions:
+                s.delete()
+
+        if delete_all_sessions:
+            sessions = PlannedSession.objects.filter(startdate__gte=self.startdate,enddate__lte=self.enddate)
+            for s in sessions:
+                s.delete()
+
+        super().delete(*args, **kwargs)
+
     def save(self, *args, **kwargs):
         manager = self.manager
         if not can_add_plan(manager.user):  # pragma: no cover

rowers/templates/trainingplan_delete.html

@@ -13,7 +13,15 @@
 <form action="" method="post">
   {% csrf_token %}
   <p>Are you sure you want to delete <em>{{ object }}</em>?</p>
-  <input class="button red" type="submit" value="Confirm">
+  <p>
+    <input type="checkbox" name="delete_sessions" value="1"> Delete all planned sessions linked to the plan
+  </p>
+  <p>
+    <input type="checkbox" name="delete_all_sessions" value="1">Delete all planned sessions in the plan time frame
+  </p>
+  <p>
+    <input class="button red" type="submit" value="Confirm">
+  </p>
 </form>
         
 

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