23 lines
967 B
Python
23 lines
967 B
Python
from sqlalchemy import Column, String, DateTime, ForeignKey
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.sql import func
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import uuid
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from app.database import Base
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class Session(Base):
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"""Session model for tracking WebSocket connections and user presence."""
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__tablename__ = "sessions"
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id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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user_id = Column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=True, index=True)
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map_id = Column(UUID(as_uuid=True), ForeignKey("maps.id", ondelete="CASCADE"), nullable=False, index=True)
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socket_id = Column(String(255), nullable=False)
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# Denormalized username for quick access
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username = Column(String(50), nullable=True)
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connected_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
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last_seen = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now(), nullable=False)
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