Method copy_identity_feature_states

api/features/models.py:1081–1125

(
        target_identity: "Identity", source_identity: "Identity"
    )

    @staticmethod
    def copy_identity_feature_states(
        target_identity: "Identity", source_identity: "Identity"
    ) -> None:
        target_feature_states: dict[int, FeatureState] = (
            target_identity.get_overridden_feature_states()
        )
        source_feature_states: dict[int, FeatureState] = (
            source_identity.get_overridden_feature_states()
        )

        # Delete own feature states not in source_identity
        feature_states_to_delete = list(
            target_feature_states.keys() - source_feature_states.keys()
        )
        for feature_state_id in feature_states_to_delete:
            target_feature_states[feature_state_id].delete()

        # Clone source_identity's feature states to target_identity
        for source_feature_id, source_feature_state in source_feature_states.items():
            # Get target feature_state if exists in target identity or create new one
            target_feature_state: FeatureState = target_feature_states.get(
                source_feature_id
            ) or FeatureState.objects.create(
                environment=target_identity.environment,
                identity=target_identity,
                feature=source_feature_state.feature,
            )

            # Copy enabled value from source feature_state
            target_feature_state.enabled = source_feature_states[
                source_feature_id
            ].enabled

            if source_feature_state.feature.type == MULTIVARIATE:
                mv_values = [
                    mv_value.clone(feature_state=target_feature_state, persist=False)
                    for mv_value in source_feature_state.multivariate_feature_state_values.all()
                ]
                MultivariateFeatureStateValue.objects.bulk_create(mv_values)

            target_feature_state.feature_state_value.copy_from(
                source_feature_state.feature_state_value
            )

            target_feature_state.save()


class FeatureStateValue(