22 lines
853 B
Python
22 lines
853 B
Python
from sqlalchemy import Column, Integer, String, ForeignKey, DateTime
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from sqlalchemy.orm import relationship
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from datetime import datetime
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from app.database import Base
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class Category(Base):
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__tablename__ = "categories"
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id = Column(Integer, primary_key=True, index=True)
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name = Column(String(100), nullable=False)
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parent_id = Column(Integer, ForeignKey("categories.id"))
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level = Column(Integer, nullable=False, default=1)
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icon = Column(String(50))
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sort_order = Column(Integer, default=0)
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created_at = Column(DateTime, default=datetime.utcnow)
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updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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parent = relationship("Category", remote_side=[id])
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children = relationship("Category", back_populates="parent")
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medicines = relationship("Medicine", back_populates="category") |