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

# PostgreSQL table model for users
from sqlalchemy import Column, Integer, String, ForeignKey
from sqlalchemy.orm import relationship
from db.base import Base


class User(Base):
    Id = Column(Integer, primary_key=True, index=True)
    Name = Column(String, nullable=False)
    MiddleName = Column(String, nullable=True)
    LastName = Column(String, nullable=False)
    GovernmentId = Column(String, nullable=False)
    Address = Column(String, nullable=False)
    ContactNumber = Column(String, nullable=False)
    Email = Column(String, nullable=False)
    Role = Column(String, nullable=False)
    HashedPassword = Column(String, nullable=False)
    
    
    #Admin-specific relationships
    auctions = relationship("Auction", back_populates="CreatedBy")
    #Driver-specific relationships
    DrivingLicenseNumber = Column(String, nullable=True)
    AssignedVehicle = Column(Integer, ForeignKey("vehicle.Id"), nullable=True)
    driveTasks = relationship("DriveTask", back_populates="CreatedBy")
    vehicle = relationship("Vehicle", back_populates="driver")
    #MaintenancePerson-specific relationships
    maintenanceJobs = relationship("MaintenanceJob", back_populates="CreatedBy")
    #FuelingPerson-specific relationships
    fuelingTasks = relationship("FuelingTask", back_populates="CreatedBy", foreign_keys="FuelingTask.CreatedById")