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33 lines
1.8 KiB
Python
33 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
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from typing import Optional, List
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from sqlalchemy import String, Integer, ForeignKey
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from sqlalchemy.orm import relationship, Mapped, mapped_column
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from app.core.base_model import ModelMixin
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class DeptModel(ModelMixin):
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"""
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部门表 - 用于存储组织架构中的部门信息 - SQLAlchemy 2.0 语法
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支持层级结构，兼容 MySQL 和 PostgreSQL
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"""
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__tablename__ = "system_dept"
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__table_args__ = ({'comment': '部门表'})
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# 基础字段
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name: Mapped[str] = mapped_column(String(40),nullable=False,unique=True,comment="部门名称")
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order: Mapped[int] = mapped_column(Integer,nullable=False,default=999,comment="显示排序")
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parent_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("system_dept.id", ondelete="CASCADE", onupdate="CASCADE"), nullable=True, index=True, comment="父级部门ID")
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parent: Mapped[Optional["DeptModel"]] = relationship("DeptModel", cascade="all, delete-orphan", uselist=False)
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# 角色关联关系
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roles: Mapped[List["RoleModel"]] = relationship(secondary="system_role_depts", back_populates="depts", lazy="selectin")
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# 用户关联关系
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users: Mapped[List["UserModel"]] = relationship(back_populates="dept", lazy="selectin")
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# code: Mapped[Optional[str]] = mapped_column(String(20),nullable=True,unique=True,comment="部门编码")
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# leader_id: Mapped[Optional[int]] = mapped_column(Integer,nullable=True,comment="负责人ID")
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# parent: Mapped[Optional["DeptModel"]] = relationship(back_populates="children",remote_side=[id],lazy="select",uselist=False,foreign_keys=[parent_id])
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# children: Mapped[List["DeptModel"]] = relationship(back_populates="parent",lazy="select",cascade="all, delete-orphan",foreign_keys=[parent_id])
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