29 lines
1.4 KiB
Python
29 lines
1.4 KiB
Python
"""用户-技能绑定模型"""
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from .base import Base
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from sqlalchemy import BigInteger, VARCHAR, DECIMAL, TIMESTAMP, ForeignKey, Integer, Float
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from typing import Optional
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from datetime import datetime
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class UserSkillBinding(Base):
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__tablename__ = "user_skill_bindings"
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id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
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user_id: Mapped[int] = mapped_column(
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BigInteger, ForeignKey("users.id"), nullable=False
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)
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skill_tag_id: Mapped[int] = mapped_column(
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BigInteger, ForeignKey("skill_tags.id"), nullable=False
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)
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proficiency_level: Mapped[str] = mapped_column(VARCHAR(50), nullable=False)
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proficiency: Mapped[Optional[int]] = mapped_column(Integer, nullable=True)
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level: Mapped[Optional[str]] = mapped_column(VARCHAR(20), nullable=True)
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years_experience: Mapped[Optional[float]] = mapped_column(Float, nullable=True)
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last_used_at: Mapped[Optional[datetime]] = mapped_column(TIMESTAMP, nullable=True)
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quality_score: Mapped[float] = mapped_column(DECIMAL(3, 1), nullable=False, default=0.0)
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efficiency_score: Mapped[float] = mapped_column(DECIMAL(3, 1), nullable=False, default=0.0)
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user = relationship("User", back_populates="skill_bindings")
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skill_tag = relationship("SkillTag", back_populates="user_bindings")
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