state-hub/api/models/topic.py

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import enum
import uuid
from sqlalchemy import Enum, String, Text
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column, relationship
from api.models.base import Base, TimestampMixin, new_uuid
class TopicStatus(str, enum.Enum):
active = "active"
paused = "paused"
archived = "archived"
class Domain(str, enum.Enum):
custodian = "custodian"
railiance = "railiance"
markitect = "markitect"
coulomb_social = "coulomb_social"
personhood = "personhood"
foerster_capabilities = "foerster_capabilities"
class Topic(Base, TimestampMixin):
__tablename__ = "topics"
id: Mapped[uuid.UUID] = mapped_column(
UUID(as_uuid=True), primary_key=True, default=new_uuid
)
slug: Mapped[str] = mapped_column(String(100), unique=True, nullable=False, index=True)
title: Mapped[str] = mapped_column(String(255), nullable=False)
description: Mapped[str | None] = mapped_column(Text, nullable=True)
domain: Mapped[Domain] = mapped_column(Enum(Domain), nullable=False)
status: Mapped[TopicStatus] = mapped_column(
Enum(TopicStatus), nullable=False, default=TopicStatus.active
)
workstreams: Mapped[list["Workstream"]] = relationship( # noqa: F821
"Workstream", back_populates="topic", lazy="selectin"
)
decisions: Mapped[list["Decision"]] = relationship( # noqa: F821
"Decision", back_populates="topic", lazy="selectin"
)
progress_events: Mapped[list["ProgressEvent"]] = relationship( # noqa: F821
"ProgressEvent", back_populates="topic", lazy="selectin"
)