Resolve "Frontend for Models"

Closes #1 (closed)

aleksis/apps/lesrooster/models.py

@@ -345,7 +345,6 @@ class Lesson(TeacherPropertiesMixin, RoomPropertiesMixin, ExtensibleModel):
         lesson_event.subject = self.subject
         lesson_event.datetime_start = datetime_start
         lesson_event.datetime_end = datetime_end
-        lesson_event.published = self.slot_start.time_grid.validity_range.published
 
         lesson_event.recurrences = self.real_recurrence
 
@@ -483,7 +482,6 @@ class Supervision(TeacherPropertiesMixin, RoomPropertiesMixin, ExtensibleModel):
         supervision_event.datetime_start = datetime_start
         supervision_event.datetime_end = datetime_end
         supervision_event.subject = self.subject
-        supervision_event.published = self.break_slot.time_grid.validity_range.published
 
         supervision_event.recurrences = self.real_recurrence
 
@@ -578,7 +576,6 @@ class Substitution(RoomPropertiesMixin, TeacherPropertiesMixin, ExtensibleModel)
         lesson_event.datetime_end = self.lesson.slot_end.get_datetime_end(week)
         lesson_event.cancelled = self.cancelled
         lesson_event.comment = self.comment
-        lesson_event.published = self.lesson.slot_start.time_grid.validity_range.published
         lesson_event.save()
 
         lesson_event.groups.set(self.lesson.course.groups.all())
@@ -680,7 +677,6 @@ class SupervisionSubstitution(TeacherPropertiesMixin, ExtensibleModel):
         supervision_event.cancelled = self.cancelled
         supervision_event.comment = self.comment
         supervision_event.subject = self.subject
-        supervision_event.published = self.supervision.break_slot.time_grid.validity_range.published
         supervision_event.save()
 
         supervision_event.teachers.set(self.teachers.all())