All Tasks Completed #16
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| previous_user_rating.user = user | ||
| previous_user_rating.rating = new_rating | ||
| previous_user_rating.save() | ||
| book.rating = BookRating.objects.filter(book=book).aggregate(rating=Avg('rating'))['rating'] |
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Great use of aggregate function here 👏🏻 .
| class BookRating(models.Model): | ||
| book = models.ForeignKey(Book, on_delete=models.CASCADE) | ||
| user = models.ForeignKey(User, on_delete=models.CASCADE) | ||
| rating = models.IntegerField(default=None, validators=[MinValueValidator(0), MaxValueValidator(10)]) |
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Great use of validators here.
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| try: | ||
| previous_user_rating = BookRating.objects.get(book=book, user=user) | ||
| except ObjectDoesNotExist: | ||
| previous_user_rating = BookRating() |
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You can also use get_or_create here for better code clarity.
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CSoC Task 2 Submission
I have completed the following tasks