Files
MoviePilot/app/db/models/outbox.py
T

31 lines
1.3 KiB
Python

"""持久副作用 outbox 模型。"""
from typing import Any, Optional
from sqlalchemy import Index, Integer, JSON, String, Text, UniqueConstraint
from sqlalchemy.orm import Mapped, mapped_column
from app.db.base import Base, get_id_column
class OutboxMessage(Base):
"""记录与业务事务原子提交、可认领重试的副作用意图。"""
id = get_id_column()
event_key: Mapped[str] = mapped_column(String(255), nullable=False)
topic: Mapped[str] = mapped_column(String(100), nullable=False)
payload_version: Mapped[int] = mapped_column(Integer, nullable=False, default=1)
payload: Mapped[dict[str, Any]] = mapped_column(JSON, nullable=False)
status: Mapped[str] = mapped_column(String(20), nullable=False, default="pending")
attempt: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
next_retry_at: Mapped[str] = mapped_column(String(40), nullable=False)
lease_until: Mapped[Optional[str]] = mapped_column(String(40))
last_error: Mapped[Optional[str]] = mapped_column(Text)
created_at: Mapped[str] = mapped_column(String(40), nullable=False)
completed_at: Mapped[Optional[str]] = mapped_column(String(40))
__table_args__ = (
UniqueConstraint("event_key", name="uq_outboxmessage_event_key"),
Index("ix_outboxmessage_claim", "status", "next_retry_at", "lease_until"),
)