小鱼开发
fbef15ba7e
- 合并为单一初始全量迁移，覆盖 users/user_devices/user_points/point_batches/point_transactions/point_recharge_orders - 去掉所有 ForeignKey 约束（业务层软删除，不依赖数据库级联） - 去掉不必要的索引，仅保留 Unique 约束自带索引 - 修复 mjk_users.id 为 UUID 类型（非 String(36)） - 修复 user_device.last_active_at 时区类型一致性（添加 timezone=True）
67 lines
1.7 KiB
Python
67 lines
1.7 KiB
Python
"""
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用户设备模型
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============
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单设备登录约束：一个用户同一时间只能在一个设备上登录。
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user_id 字段带 UNIQUE 约束，强制 1:1 关系。
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"""
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import uuid
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from datetime import UTC, datetime
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from sqlalchemy import DateTime, String
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.orm import Mapped, mapped_column
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from app.models.base import BaseModelBigInt
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class UserDevice(BaseModelBigInt):
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"""用户设备表（单设备登录）"""
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__tablename__ = "mjk_user_devices"
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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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unique=True,
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comment="用户 ID（唯一约束，强制单设备登录）",
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)
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device_id: Mapped[str] = mapped_column(
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String(64),
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nullable=False,
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comment="设备唯一标识（前端生成）",
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)
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device_name: Mapped[str | None] = mapped_column(
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String(128),
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nullable=True,
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comment="设备名称（如 'MacBook Pro'）",
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)
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os_info: Mapped[str | None] = mapped_column(
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String(128),
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nullable=True,
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comment="操作系统信息",
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)
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app_version: Mapped[str | None] = mapped_column(
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String(32),
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nullable=True,
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comment="应用版本号",
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)
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refresh_token_hash: Mapped[str | None] = mapped_column(
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String(64),
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nullable=True,
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comment="Refresh Token SHA256 哈希（用于校验和撤销）",
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)
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last_active_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True),
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default=lambda: datetime.now(UTC),
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nullable=False,
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comment="最后活跃时间",
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)
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