58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
import uuid
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from datetime import datetime
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from sqlalchemy import String, Boolean, Float, ForeignKey, Index, func
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from sqlalchemy import Uuid
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.database import Base
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class AlertSetting(Base):
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"""告警设置表 - 每个品牌每种告警类型一条记录"""
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__tablename__ = "alert_settings"
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id: Mapped[uuid.UUID] = mapped_column(
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Uuid(as_uuid=True),
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primary_key=True,
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default=uuid.uuid4,
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)
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brand_id: Mapped[uuid.UUID] = mapped_column(
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Uuid(as_uuid=True),
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ForeignKey("brands.id", ondelete="CASCADE"),
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nullable=False,
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)
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user_id: Mapped[uuid.UUID] = mapped_column(
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Uuid(as_uuid=True),
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nullable=False,
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index=True,
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)
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alert_type: Mapped[str] = mapped_column(
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String(50), nullable=False,
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comment="告警类型: score_drop / score_rise / negative_sentiment / competitor_overtake / new_platform_mention",
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)
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enabled: Mapped[bool] = mapped_column(
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Boolean, default=True, nullable=False,
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)
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threshold: Mapped[float | None] = mapped_column(
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Float, nullable=True,
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comment="阈值（如评分下降超过5分触发）",
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)
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created_at: Mapped[datetime] = mapped_column(
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server_default=func.now(),
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nullable=False,
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)
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updated_at: Mapped[datetime] = mapped_column(
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server_default=func.now(),
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onupdate=func.now(),
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nullable=False,
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)
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brand: Mapped["Brand"] = relationship("Brand") # noqa: F821
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__table_args__ = (
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Index("idx_alert_settings_brand_id", "brand_id"),
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Index("idx_alert_settings_user_id", "user_id"),
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Index("idx_alert_settings_brand_type", "brand_id", "alert_type", unique=True),
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)
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