44 lines
2.1 KiB
Python
44 lines
2.1 KiB
Python
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import uuid
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from datetime import datetime
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from sqlalchemy import DateTime, ForeignKey, String, Text, func
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from sqlalchemy.dialects.postgresql import JSONB, UUID
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from api.models.base import Base, new_uuid
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class ProgressEvent(Base):
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"""Append-only event log. No updated_at. No DELETE endpoint (constitution §5)."""
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__tablename__ = "progress_events"
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id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), primary_key=True, default=new_uuid
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)
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topic_id: Mapped[uuid.UUID | None] = mapped_column(
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UUID(as_uuid=True), ForeignKey("topics.id", ondelete="RESTRICT"), nullable=True, index=True
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)
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workstream_id: Mapped[uuid.UUID | None] = mapped_column(
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UUID(as_uuid=True), ForeignKey("workstreams.id", ondelete="RESTRICT"), nullable=True, index=True
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)
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task_id: Mapped[uuid.UUID | None] = mapped_column(
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UUID(as_uuid=True), ForeignKey("tasks.id", ondelete="RESTRICT"), nullable=True, index=True
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)
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decision_id: Mapped[uuid.UUID | None] = mapped_column(
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UUID(as_uuid=True), ForeignKey("decisions.id", ondelete="RESTRICT"), nullable=True, index=True
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)
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event_type: Mapped[str] = mapped_column(String(50), nullable=False, index=True)
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summary: Mapped[str] = mapped_column(Text, nullable=False)
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detail: Mapped[dict | None] = mapped_column(JSONB, nullable=True)
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author: Mapped[str | None] = mapped_column(String(100), nullable=True)
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session_id: Mapped[str | None] = mapped_column(String(100), nullable=True)
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created_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), server_default=func.now(), nullable=False, index=True
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)
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topic: Mapped["Topic | None"] = relationship("Topic", back_populates="progress_events") # noqa: F821
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workstream: Mapped["Workstream | None"] = relationship("Workstream", back_populates="progress_events") # noqa: F821
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task: Mapped["Task | None"] = relationship("Task", back_populates="progress_events") # noqa: F821
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decision: Mapped["Decision | None"] = relationship("Decision", back_populates="progress_events") # noqa: F821
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