def with_base_attributes(cls):

    def create(self, validated_data):
        user = None
        request = self.context.get("request")

        if request and hasattr(request, "user"):
            user = request.user

        if user is not None:
            validated_data['created_by'] = user
            validated_data['modified_by'] = user

        obj = self.Meta.model.objects.create(**validated_data)
        return obj

    def update(self, instance, validated_data):
        user = None
        request = self.context.get("request")

        if request and hasattr(request, "user"):
            user = request.user

        if user is not None:
            validated_data['modified_by'] = user

        obj = self.Meta.model
        obj.objects.filter(pk=instance.id).update(**validated_data)

        return instance

    setattr(cls, "create", create)
    setattr(cls, "update", update)

    return cls