extract SQLAlchemy model in separate python library
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from typing import List
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from sqlalchemy import ForeignKey, UniqueConstraint
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from sqlalchemy.orm import relationship, mapped_column, Mapped
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from src.db.models.base import Base, BaseMixin
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class Sport(Base, BaseMixin):
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__tablename__ = "sport"
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__table_args__ = (
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UniqueConstraint("name"),
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)
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name: Mapped[str] = mapped_column(nullable=False, index=True, unique=True)
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teams: Mapped[List["Team"]] = relationship(back_populates="sport")
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positions: Mapped[List["FieldPosition"]] = relationship(back_populates="sport")
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class Team(Base, BaseMixin):
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__tablename__ = "team"
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name: Mapped[str] = mapped_column(nullable=False, index=True, unique=True)
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short_name: Mapped[str] = mapped_column(nullable=False)
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sport_id: Mapped[str] = mapped_column(ForeignKey("sport.id"), nullable=False)
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sport: Mapped[Sport] = relationship(back_populates="teams")
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roosters: Mapped[List["Rooster"]] = relationship(back_populates="team")
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class FieldPosition(Base, BaseMixin):
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__tablename__ = "field_position"
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__table_args__ = (
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UniqueConstraint("name", "sport_id"),
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UniqueConstraint("short_name", "sport_id"),
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)
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name: Mapped[str] = mapped_column(nullable=False, index=True)
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short_name: Mapped[str] = mapped_column(nullable=False)
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sport_id: Mapped[str] = mapped_column(ForeignKey("sport.id"), nullable=False, index=True)
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sport: Mapped[Sport] = relationship(back_populates="positions")
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roosters: Mapped[List["Rooster"]] = relationship(back_populates="position")
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class Player(Base, BaseMixin):
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__tablename__ = "player"
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__table_args__ = (
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UniqueConstraint("first_name", "last_name"),
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)
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first_name: Mapped[str] = mapped_column(nullable=False, index=True)
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last_name: Mapped[str] = mapped_column(nullable=False, index=True)
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roosters: Mapped[List["Rooster"]] = relationship(back_populates="player")
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def get_full_name(self) -> str:
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return f"{self.last_name}, {self.first_name}"
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class Rooster(Base, BaseMixin):
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__tablename__ = "rooster"
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__table_args__ = (
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UniqueConstraint("year", "team_id", "player_id", "position_id"),
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)
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year: Mapped[int]
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team_id: Mapped[str] = mapped_column(ForeignKey("team.id"), nullable=False, index=True)
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team: Mapped[Team] = relationship(back_populates="roosters")
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player_id: Mapped[str] = mapped_column(ForeignKey("player.id"), nullable=False, index=True)
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player: Mapped[Player] = relationship(back_populates="roosters")
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position_id: Mapped[str] = mapped_column(ForeignKey("field_position.id"), nullable=False, index=True)
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position: Mapped[FieldPosition] = relationship(back_populates="roosters")
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cards: Mapped[List["Card"]] = relationship(back_populates="rooster")
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class Vendor(Base, BaseMixin):
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__tablename__ = "vendor"
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name: Mapped[str] = mapped_column(nullable=False, unique=True, index=True)
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card_sets: Mapped[List["CardSet"]] = relationship(back_populates="vendor")
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cards: Mapped[List["Card"]] = relationship(back_populates="vendor")
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class CardSet(Base, BaseMixin):
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__tablename__ = "card_set"
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__table_args__ = (
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UniqueConstraint("name", "vendor_id"),
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)
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name: Mapped[str] = mapped_column(index=True)
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parallel_set: Mapped[bool]
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insert_set: Mapped[bool]
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vendor_id: Mapped[str] = mapped_column(ForeignKey("vendor.id"), nullable=False, index=True)
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vendor: Mapped[Vendor] = relationship(back_populates="card_sets")
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cards: Mapped[List["Card"]] = relationship(back_populates="card_set")
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class Card(Base, BaseMixin):
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__tablename__ = "card"
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__table_args__ = (
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UniqueConstraint("card_number", "year", "vendor_id", "card_set_id"),
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)
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card_number: Mapped[int] = mapped_column(index=True)
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year: Mapped[int] = mapped_column(index=True)
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card_set_id: Mapped[str] = mapped_column(ForeignKey("card_set.id"), nullable=False)
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card_set: Mapped[CardSet] = relationship(back_populates="cards")
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rooster_id: Mapped[str] = mapped_column(ForeignKey("rooster.id"), nullable=False)
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rooster: Mapped[Rooster] = relationship(back_populates="cards")
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vendor_id: Mapped[str] = mapped_column(ForeignKey("vendor.id"), nullable=False)
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vendor: Mapped[Vendor] = relationship(back_populates="cards")
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