def get_exercises(self, obj):
# List only exercises derived from BaseExercise, thus no Chapter texts (/exercise/<id> returns 404 for those)
exercises = BaseExercise.objects.filter(course_module=obj).all()
# FIXME: populating learning_object.parent_list() creates subqueries -> get exercise list and data from cache
serializer = ExerciseBriefSerializer(instance=exercises,
many=True,
context=self.context)
return serializer.data
def get_exercises(self, obj):
# this needs to be method so .as_leaf_class() can be called
exercises = obj.learning_objects.all()
exercises = (e.as_leaf_class() for e in exercises)
serializer = ExerciseBriefSerializer(instance=exercises,
many=True,
context=self.context)
return serializer.data