25 lines
1.1 KiB
Python
25 lines
1.1 KiB
Python
"""念念回音模型"""
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from datetime import datetime
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from sqlalchemy import String, Boolean, DateTime, ForeignKey
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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 MissEcho(Base):
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__tablename__ = "miss_echoes"
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id: Mapped[str] = mapped_column(String(36), primary_key=True)
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from_user_id: Mapped[str] = mapped_column(String(36), ForeignKey("users.id", ondelete="CASCADE"))
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to_user_id: Mapped[str] = mapped_column(String(36), ForeignKey("users.id", ondelete="CASCADE"))
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leaf_seed: Mapped[str] = mapped_column(String(32), nullable=False) # 程序化叶子种子
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message: Mapped[str | None] = mapped_column(String(50), nullable=True) # 可选附言
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delivered_online: Mapped[bool] = mapped_column(Boolean, default=False) # 是否在线送达
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read_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=lambda: datetime.utcnow())
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from_user = relationship("User", foreign_keys=[from_user_id])
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to_user = relationship("User", foreign_keys=[to_user_id])
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