Codex
78 lines
3.3 KiB
Python
78 lines
3.3 KiB
Python
from sqlalchemy import Column, String, Integer, ForeignKey
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from sqlalchemy.orm import relationship
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from app.base_model import BaseModel
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class Province(BaseModel):
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"""省份模型"""
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__tablename__ = "core_province"
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code = Column(String(20), unique=True, nullable=False, index=True, comment="省份代码")
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name = Column(String(100), nullable=False, comment="省份名称")
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sort = Column(Integer, default=0, comment="排序")
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# 关联关系
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cities = relationship("City", back_populates="province", cascade="all, delete-orphan")
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class City(BaseModel):
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"""城市模型"""
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__tablename__ = "core_city"
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code = Column(String(20), unique=True, nullable=False, index=True, comment="城市代码")
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name = Column(String(100), nullable=False, comment="城市名称")
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province_code = Column(String(20), ForeignKey("core_province.code", ondelete="CASCADE"), nullable=False, comment="省份代码")
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sort = Column(Integer, default=0, comment="排序")
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# 关联关系
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province = relationship("Province", back_populates="cities")
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areas = relationship("Area", back_populates="city", cascade="all, delete-orphan")
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class Area(BaseModel):
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"""区县模型"""
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__tablename__ = "core_area"
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code = Column(String(20), unique=True, nullable=False, index=True, comment="区县代码")
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name = Column(String(100), nullable=False, comment="区县名称")
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province_code = Column(String(20), nullable=False, index=True, comment="省份代码")
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city_code = Column(String(20), ForeignKey("core_city.code", ondelete="CASCADE"), nullable=False, comment="城市代码")
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sort = Column(Integer, default=0, comment="排序")
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# 关联关系
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city = relationship("City", back_populates="areas")
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streets = relationship("Street", back_populates="area", cascade="all, delete-orphan")
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class Street(BaseModel):
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"""街道/乡镇模型"""
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__tablename__ = "core_street"
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code = Column(String(20), unique=True, nullable=False, index=True, comment="街道代码")
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name = Column(String(100), nullable=False, comment="街道名称")
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province_code = Column(String(20), nullable=False, index=True, comment="省份代码")
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city_code = Column(String(20), nullable=False, index=True, comment="城市代码")
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area_code = Column(String(20), ForeignKey("core_area.code", ondelete="CASCADE"), nullable=False, comment="区县代码")
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sort = Column(Integer, default=0, comment="排序")
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# 关联关系
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area = relationship("Area", back_populates="streets")
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villages = relationship("Village", back_populates="street", cascade="all, delete-orphan")
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class Village(BaseModel):
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"""村/社区模型"""
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__tablename__ = "core_village"
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code = Column(String(20), unique=True, nullable=False, index=True, comment="村庄代码")
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name = Column(String(100), nullable=False, comment="村庄名称")
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province_code = Column(String(20), nullable=False, index=True, comment="省份代码")
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city_code = Column(String(20), nullable=False, index=True, comment="城市代码")
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area_code = Column(String(20), nullable=False, index=True, comment="区县代码")
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street_code = Column(String(20), ForeignKey("core_street.code", ondelete="CASCADE"), nullable=False, comment="街道代码")
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sort = Column(Integer, default=0, comment="排序")
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# 关联关系
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street = relationship("Street", back_populates="villages")
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