24 lines
867 B
Python
24 lines
867 B
Python
from sqlalchemy import Column, Integer, String, Date, ForeignKey
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from sqlalchemy.orm import relationship
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from app.db.base_class import Base
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class Teacher(Base):
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id = Column(Integer, primary_key=True, index=True)
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teacher_id = Column(String(20), unique=True, index=True, nullable=False)
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date_of_birth = Column(Date, nullable=True)
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address = Column(String(255), nullable=True)
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phone_number = Column(String(20), nullable=True)
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department = Column(String(50), nullable=True)
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hire_date = Column(Date, nullable=True)
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# Foreign keys
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user_id = Column(Integer, ForeignKey("user.id"), unique=True, nullable=False)
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# Relationships
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user = relationship("User", back_populates="teacher")
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courses = relationship("Course", back_populates="teacher")
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def __repr__(self):
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return f"<Teacher {self.teacher_id}>" |