class CollectionSerializer(serializers.ModelSerializer):
books = BookSerializer(many=True, source='get_books', read_only=True)
- book_slugs = serializers.CharField(write_only=True)
+ authors = TagSerializer(many=True, read_only=True)
+ book_slugs = serializers.CharField(write_only=True, required=False)
+ author_slugs = serializers.CharField(write_only=True, required=False)
url = AbsoluteURLField()
class Meta:
model = Collection
- fields = ['url', 'books', 'description', 'title', 'book_slugs']
+ fields = [
+ 'url', 'books', 'description', 'title',
+ 'book_slugs', 'authors', 'author_slugs'
+ ]
+
+ def update(self, instance, validated_data):
+ instance = super().update(instance, validated_data)
+ author_slugs = validated_data.get('author_slugs', '').strip().split()
+ if author_slugs:
+ authors = Tag.objects.filter(
+ category='author',
+ slug__in=author_slugs
+ )
+ else:
+ authors = []
+ instance.authors.set(authors)
+ return instance
class FragmentSerializer(serializers.ModelSerializer):