csci-backend/app/db/models/carpart.py

from sqlalchemy import Column, Integer, String, ForeignKey
from sqlalchemy.orm import relationship
from db.base import Base


class CarPart(Base):
    Id = Column(Integer, primary_key=True, index=True)
    # a list of weak entities of class CarPart
    ParentId = Column(Integer, ForeignKey("maintenancejob.Id"), nullable=False)
    parent = relationship("MaintenanceJob", back_populates="CarParts")
    Name = Column(String, nullable=False)
    Number = Column(String, nullable=False)
    Condition = Column(String, nullable=False)
    ImageURL = Column(String, nullable=False)
    Cost = Column(Integer, nullable=False)