52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
from __future__ import annotations
|
||
|
||
from datetime import datetime
|
||
|
||
from sqlalchemy import DateTime, ForeignKey, Index, UniqueConstraint, func
|
||
from sqlalchemy.orm import Mapped, mapped_column
|
||
|
||
from app.db.base import Base
|
||
|
||
|
||
class ContentRiskFlag(Base):
|
||
"""
|
||
内容风险标记（risk_flags）关联表。
|
||
|
||
命名约束（语义来源：句子文案打分规则）：
|
||
- 仅允许 `unsafe_for_*` / `block_*` / `soft_*` 前缀
|
||
- 旧 flag（如 `block_stage_unknown`）需在写入/读取层做映射
|
||
"""
|
||
|
||
__tablename__ = "content_risk_flags"
|
||
|
||
__table_args__ = (
|
||
UniqueConstraint("content_id", "flag", name="uniq_content_flag"),
|
||
Index("idx_flag", "flag"),
|
||
Index("idx_content_id", "content_id"),
|
||
)
|
||
|
||
id: Mapped[int] = mapped_column(
|
||
primary_key=True,
|
||
autoincrement=True,
|
||
comment="主键",
|
||
)
|
||
|
||
content_id: Mapped[int] = mapped_column(
|
||
ForeignKey("contents.content_id", ondelete="CASCADE"),
|
||
nullable=False,
|
||
comment="FK -> contents.content_id",
|
||
)
|
||
|
||
flag: Mapped[str] = mapped_column(
|
||
nullable=False,
|
||
comment="风险标记（unsafe_for_* / block_* / soft_*）",
|
||
)
|
||
|
||
created_at: Mapped[datetime] = mapped_column(
|
||
DateTime,
|
||
nullable=False,
|
||
server_default=func.now(),
|
||
comment="创建时间",
|
||
)
|
||
|