26 lines
1.3 KiB
Python
26 lines
1.3 KiB
Python
from sqlalchemy import DateTime, ForeignKey, String, Text, func
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from sqlalchemy.orm import Mapped, mapped_column
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from app.models.base import Base
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from app.utils.id_gen import generate_id
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class ChatGenerationTaskEvent(Base):
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"""Append-only event log for project-independent chat generation tasks."""
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__tablename__ = "chat_generation_task_events"
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id: Mapped[str] = mapped_column(String(32), primary_key=True, default=generate_id)
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task_id: Mapped[str] = mapped_column(
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String(32), ForeignKey("chat_generation_tasks.id", ondelete="CASCADE"), index=True
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)
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generation_mode: Mapped[str | None] = mapped_column(String(32), nullable=True, index=True)
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event_type: Mapped[str] = mapped_column(String(64), index=True)
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from_status: Mapped[str | None] = mapped_column(String(32), nullable=True)
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to_status: Mapped[str | None] = mapped_column(String(32), nullable=True)
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from_stage: Mapped[str | None] = mapped_column(String(32), nullable=True)
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to_stage: Mapped[str | None] = mapped_column(String(32), nullable=True)
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message: Mapped[str | None] = mapped_column(String(512), nullable=True)
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detail_json: Mapped[str | None] = mapped_column(Text, nullable=True)
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created_at = mapped_column(DateTime(timezone=True), server_default=func.now(), index=True)
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