def score(self) -> float:
dummies = RatingDummy.dummies_for(
self, ("Semester", "Finals", "Interesting")).values_list("id",
flat=True)
ratings = Rating.objects.filter(
Q(object_id__in=dummies) & Q(content_type__model="ratingdummy")
& ~Q(count=0))
if not ratings.exists():
return 0
return sum(ratings.values_list("average", flat=True)) / len(ratings)
def interesting_rating(self) -> RatingDummy:
return RatingDummy.dummy_for(self, "Interesting")
def finals_rating(self) -> RatingDummy:
return RatingDummy.dummy_for(self, "Finals")
def semester_rating(self) -> RatingDummy:
return RatingDummy.dummy_for(self, "Semester")