25 lines
1.0 KiB
Python
25 lines
1.0 KiB
Python
from datetime import datetime, timezone
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from typing import Optional
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from sqlalchemy import DateTime, Integer, String
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from sqlalchemy.orm import Mapped, mapped_column
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from app.db import Base
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class Conversation(Base):
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__tablename__ = "conversations"
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id: Mapped[str] = mapped_column(String(64), primary_key=True)
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tenant_id: Mapped[str] = mapped_column(String(64), nullable=False, index=True)
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user_id: Mapped[str] = mapped_column(String(64), nullable=False, index=True)
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title: Mapped[Optional[str]] = mapped_column(String(255), nullable=True)
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message_count: Mapped[int] = mapped_column(Integer, default=0)
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last_message_at: Mapped[Optional[datetime]] = mapped_column(DateTime(timezone=True), nullable=True, index=True)
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created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))
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updated_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True),
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default=lambda: datetime.now(timezone.utc),
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onupdate=lambda: datetime.now(timezone.utc),
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)
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