generated from daniil-berg/boilerplate-py
117 lines
3.4 KiB
Python
117 lines
3.4 KiB
Python
from typing import Any, Optional, TYPE_CHECKING
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from pydantic import validator
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from sqlalchemy.sql.schema import Column, Index
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from sqlalchemy.sql.sqltypes import Unicode
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from sqlalchemy_utils.primitives.country import Country
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from sqlalchemy_utils.types import CountryType
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from sqlmodel.main import Field, Relationship
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from .base import AbstractBase
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if TYPE_CHECKING:
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from .companies import Company
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from .courts import Court
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__all__ = [
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'StateProvince',
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'City',
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'Street',
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'Address',
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]
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class StateProvince(AbstractBase, table=True):
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__tablename__ = 'state_province'
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__table_args__ = (
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Index('ux_state_province_name_country', 'name', 'country', unique=True),
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)
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# Fields
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country: str = Field(sa_column=Column(CountryType, nullable=False, index=True))
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name: str = Field(max_length=255, sa_column=Column(Unicode(255), nullable=False, index=True))
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# Relationships
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cities: list['City'] = Relationship(
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back_populates='state_province', sa_relationship_kwargs={'lazy': 'selectin'}
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)
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courts: list['Court'] = Relationship(
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back_populates='state_province', sa_relationship_kwargs={'lazy': 'selectin'}
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)
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@validator('country', pre=True)
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def country_as_uppercase_string(cls, v: Any) -> str:
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if isinstance(v, Country):
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return v.code
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if isinstance(v, str):
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return v.upper()
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raise TypeError
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class City(AbstractBase, table=True):
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__tablename__ = 'city'
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__table_args__ = (
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Index('ux_city_name_zip_state', 'name', 'zip_code', 'state_province_id', unique=True),
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)
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# Fields
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zip_code: str = Field(max_length=5, nullable=False, index=True)
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name: str = Field(max_length=255, sa_column=Column(Unicode(255), nullable=False, index=True))
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# Relationships
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state_province_id: Optional[int] = Field(
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foreign_key='state_province.id', default=None, nullable=False, index=True
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)
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state_province: Optional[StateProvince] = Relationship(
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back_populates='cities', sa_relationship_kwargs={'lazy': 'selectin'}
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)
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streets: list['Street'] = Relationship(
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back_populates='city', sa_relationship_kwargs={'lazy': 'selectin'}
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)
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class Street(AbstractBase, table=True):
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__tablename__ = 'street'
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# Fields
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name: str = Field(max_length=255, sa_column=Column(Unicode(255), nullable=False, index=True))
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# Relationships
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city_id: Optional[int] = Field(
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foreign_key='city.id', default=None, nullable=False, index=True
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)
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city: Optional[City] = Relationship(
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back_populates='streets', sa_relationship_kwargs={'lazy': 'selectin'}
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)
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addresses: list['Address'] = Relationship(
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back_populates='street', sa_relationship_kwargs={'lazy': 'selectin'}
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)
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class Address(AbstractBase, table=True):
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__tablename__ = 'address'
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# Fields
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house_number: str = Field(max_length=8, nullable=False)
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supplement: str = Field(max_length=255)
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# Relationships
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street_id: Optional[int] = Field(
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foreign_key='street.id', default=None, nullable=False, index=True
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)
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street: Optional[Street] = Relationship(
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back_populates='addresses', sa_relationship_kwargs={'lazy': 'selectin'}
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)
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companies: list['Company'] = Relationship(
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back_populates='address', sa_relationship_kwargs={'lazy': 'selectin'}
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)
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courts: list['Court'] = Relationship(
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back_populates='address', sa_relationship_kwargs={'lazy': 'selectin'}
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)
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