Initial commit - DesignerCEP Project with Caddy deployment

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zuowei1216
2025-12-19 21:27:17 +08:00
commit 8ea58fe480
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from sqlalchemy import Column, Integer, String, DateTime, Boolean, ForeignKey, func
from sqlalchemy.orm import relationship
from app.db import Base
class UserSession(Base):
# 用户会话表,用于限制单设备同时在线
__tablename__ = "user_sessions"
id = Column(Integer, primary_key=True, index=True)
user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
device_id = Column(String(128), nullable=False, index=True) # 设备标识(前端提供)
active = Column(Boolean, default=True, nullable=False) # 是否处于活跃登录状态
expires_at = Column(DateTime(timezone=True), nullable=True) # 过期时间(与令牌一致)
created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)
login_at = Column(DateTime(timezone=True), nullable=True) # 登录时间
logout_at = Column(DateTime(timezone=True), nullable=True) # 登出时间
duration_seconds = Column(Integer, nullable=True) # 在线时长(秒)
last_seen_at = Column(DateTime(timezone=True), nullable=True) # 最近心跳时间(用于统计活跃时长)
user = relationship("User")