30 lines
1.3 KiB
Python
30 lines
1.3 KiB
Python
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from datetime import datetime
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from sqlalchemy import DateTime, ForeignKey, Integer, UniqueConstraint
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.core.database import Base
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class Participant(Base):
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__tablename__ = "participants"
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__table_args__ = (
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UniqueConstraint("user_id", "marathon_id", name="unique_user_marathon"),
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)
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id: Mapped[int] = mapped_column(primary_key=True)
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user_id: Mapped[int] = mapped_column(ForeignKey("users.id", ondelete="CASCADE"), index=True)
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marathon_id: Mapped[int] = mapped_column(ForeignKey("marathons.id", ondelete="CASCADE"), index=True)
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total_points: Mapped[int] = mapped_column(Integer, default=0)
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current_streak: Mapped[int] = mapped_column(Integer, default=0)
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drop_count: Mapped[int] = mapped_column(Integer, default=0) # For progressive penalty
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joined_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
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# Relationships
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user: Mapped["User"] = relationship("User", back_populates="participations")
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marathon: Mapped["Marathon"] = relationship("Marathon", back_populates="participants")
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assignments: Mapped[list["Assignment"]] = relationship(
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"Assignment",
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back_populates="participant",
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cascade="all, delete-orphan"
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)
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