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group_fqcd_jr/app/model/episode.py
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42 lines
2.2 KiB
Python

from datetime import datetime
from typing import Any
from sqlalchemy import JSON, DateTime, Integer, String, Text
from sqlalchemy.dialects.mysql import BIGINT, TINYINT
from sqlalchemy.orm import Mapped, mapped_column
from app.model.base import Base
class Episode(Base):
"""会话片段(`episodes`);列与库中实际结构逐列一致。
列名与类型按 `information_schema.COLUMNS` 核对(18 列,无生成列),
同名兄弟模型如 `ConversationMessage.handler_id` 既有用法同样使用
`BIGINT(unsigned=True)`,因此无符号列在此保持一致的映射风格。
唯一键 `episode_uuid`、`content_hash` 由数据库维护:抽取幂等依赖
`content_hash` 唯一键,跨存储稳定标识依赖 `episode_uuid`。
"""
__tablename__ = "episodes"
id: Mapped[int] = mapped_column(BIGINT(unsigned=True), primary_key=True, autoincrement=True)
episode_uuid: Mapped[str | None] = mapped_column(String(36), unique=True)
customer_id: Mapped[int] = mapped_column(BIGINT(unsigned=True), nullable=False)
session_id: Mapped[str] = mapped_column(String(64), nullable=False)
start_message_no: Mapped[int | None] = mapped_column(Integer)
end_message_no: Mapped[int | None] = mapped_column(Integer)
portals_involved: Mapped[list[Any]] = mapped_column(JSON, nullable=False)
summary: Mapped[str] = mapped_column(Text, nullable=False)
extraction_status: Mapped[str] = mapped_column(String(16), nullable=False, default="待提取")
content_hash: Mapped[str | None] = mapped_column(String(64), unique=True)
retry_count: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
started_at: Mapped[datetime | None] = mapped_column(DateTime)
ended_at: Mapped[datetime | None] = mapped_column(DateTime)
handoff_to_employee_id: Mapped[int | None] = mapped_column(BIGINT(unsigned=True))
start_at: Mapped[datetime | None] = mapped_column(DateTime)
end_at: Mapped[datetime | None] = mapped_column(DateTime)
promoted_to_ltm: Mapped[bool] = mapped_column(
TINYINT(display_width=1), nullable=False, default=False
)
created_at: Mapped[datetime] = mapped_column(DateTime, nullable=False)