23 lines
822 B
Python
23 lines
822 B
Python
from sqlalchemy import Column, Integer, String, Text, ForeignKey, Boolean
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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 Course(Base):
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id = Column(Integer, primary_key=True, index=True)
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course_code = Column(String(20), unique=True, index=True, nullable=False)
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title = Column(String(100), nullable=False)
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description = Column(Text, nullable=True)
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credits = Column(Integer, default=0)
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is_active = Column(Boolean, default=True)
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# Foreign keys
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teacher_id = Column(Integer, ForeignKey("teacher.id"), nullable=True)
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# Relationships
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teacher = relationship("Teacher", back_populates="courses")
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enrollments = relationship("ClassEnrollment", back_populates="course")
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def __repr__(self):
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return f"<Course {self.course_code}>" |