24 lines
908 B
Python
24 lines
908 B
Python
from datetime import datetime
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from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, Float
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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 ClassEnrollment(Base):
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id = Column(Integer, primary_key=True, index=True)
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enrollment_date = Column(DateTime, default=datetime.utcnow)
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grade = Column(Float, nullable=True)
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semester = Column(String(20), nullable=False)
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academic_year = Column(String(10), nullable=False)
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# Foreign keys
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student_id = Column(Integer, ForeignKey("student.id"), nullable=False)
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course_id = Column(Integer, ForeignKey("course.id"), nullable=False)
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# Relationships
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student = relationship("Student", back_populates="enrollments")
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course = relationship("Course", back_populates="enrollments")
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def __repr__(self):
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return f"<ClassEnrollment {self.student_id}_{self.course_id}>" |