Django rest framework – filtering for serializer field

by

How about something like this:

class ProductSerializer(serializers.ModelSerializer):
    likes = serializers.SerializerMethodField()

    def get_likes(self, product):
        qs = Like.objects.filter(whether_like=True, product=product)
        serializer = LikeSerializer(instance=qs, many=True)
        return serializer.data

    class Meta:
        model = Product
        fields = ('id', 'name', 'likes')

**LikeSerializer omitted for brevity.

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