Class FeatureSegment

api/features/models.py:248–458

class FeatureSegment(
    LifecycleModelMixin,  # type: ignore[misc]
    AbstractBaseExportableModel,
    OrderedModelBase,  # type: ignore[misc]
    abstract_base_auditable_model_factory(["uuid"]),  # type: ignore[misc]
):
    history_record_class_path = "features.models.HistoricalFeatureSegment"
    related_object_type = RelatedObjectType.FEATURE

    feature = models.ForeignKey(
        Feature, on_delete=models.CASCADE, related_name="feature_segments"
    )
    segment = models.ForeignKey(
        "segments.Segment", related_name="feature_segments", on_delete=models.CASCADE
    )
    environment = models.ForeignKey(
        "environments.Environment",
        on_delete=models.CASCADE,
        related_name="feature_segments",
    )
    environment_feature_version = models.ForeignKey(
        "feature_versioning.EnvironmentFeatureVersion",
        on_delete=models.CASCADE,
        related_name="feature_segments",
        null=True,
        blank=True,
    )

    _enabled = models.BooleanField(
        default=False,
        db_column="enabled",
        help_text="Deprecated in favour of using FeatureStateValue.",
    )
    _value = models.CharField(
        max_length=2000,
        blank=True,
        null=True,
        db_column="value",
        help_text="Deprecated in favour of using FeatureStateValue.",
    )
    _value_type = models.CharField(
        choices=FEATURE_STATE_VALUE_TYPES,
        max_length=50,
        blank=True,
        null=True,
        db_column="value_type",
        help_text="Deprecated in favour of using FeatureStateValue.",
    )

    # specific attributes for managing the order of feature segments
    priority = models.PositiveIntegerField(editable=False, db_index=True)
    order_field_name = "priority"
    order_with_respect_to = ("feature", "environment", "environment_feature_version")

    objects = FeatureSegmentManager()  # type: ignore[misc]

    class Meta:
        unique_together = (