33 lines
1.1 KiB
Python
33 lines
1.1 KiB
Python
"""
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Model representation of a City
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SPDX - License - Identifier: LGPL - 3.0 - or -later
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Copyright © 2022 Concordia CERC group
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Project Coder Peter Yefi peteryefi@gmail.com
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"""
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from sqlalchemy import Column, Integer, String, Sequence, Float
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from persistence.db_config import Base
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from sqlalchemy.orm import relationship
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class City(Base):
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"""A model representation of a city
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Attributes:
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name The name of the city.
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uid A unique identifier for each city object
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location The location of the building.
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country_code The country where the city is located.
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latitude The GPS latitude location of the city.
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longitude The GPS longitude location of the city.
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building A relationship for fetching all buildings in the city
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"""
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__tablename__ = "city"
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id = Column(Integer, Sequence('city_id_seq'), primary_key=True)
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name = Column(String, nullable=False)
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time_zone = Column(String, nullable=True)
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country_code = Column(String, nullable=False)
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latitude = Column(Float)
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longitude = Column(Float)
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buildings = relationship('Building', backref='city', lazy=True, cascade="all, delete-orphan")
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