selected_book_views.py 文件源码

def set_rating(request, rating_form):
    """
    Checks if rating for books exists. If exists, changes it. If not, creates a new one.
    """
    try:
        book_rating = BookRating.objects.get(id_user=TheUser.objects.get(id_user=request.user),
                                             id_book=Book.objects.get(id=rating_form.cleaned_data['book']))
        book_rating.rating = rating_form.cleaned_data['rating']
        book_rating.save()

    except ObjectDoesNotExist:
        BookRating.objects.create(id_user=TheUser.objects.get(id_user=request.user),
                                  id_book=Book.objects.get(id=rating_form.cleaned_data['book']),
                                  rating=rating_form.cleaned_data['rating'])

    finally:
        logger.info("User '{}' set rating '{}' to book with id: '{}'."
                    .format(request.user, rating_form.cleaned_data['rating'], rating_form.cleaned_data['book']))


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