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backend/core/models.py
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189
backend/core/models.py
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import uuid
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from datetime import datetime
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from sqlalchemy import String, Integer, ForeignKey, DateTime, Text, Boolean, UniqueConstraint, CheckConstraint
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from sqlalchemy.dialects.postgresql import UUID, JSONB
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from core.database import Base
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class User(Base):
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__tablename__ = "users"
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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username: Mapped[str] = mapped_column(String, unique=True, nullable=False)
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email: Mapped[str] = mapped_column(String, unique=True, nullable=False)
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password_hash: Mapped[str] = mapped_column(String, nullable=False)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.now)
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boosters: Mapped[int] = mapped_column(Integer, default=5, nullable=False)
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boosters_countdown: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
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wins: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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losses: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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shards: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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last_refresh_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
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reset_token: Mapped[str | None] = mapped_column(String, nullable=True)
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reset_token_expires_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
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email_verified: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
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email_verification_token: Mapped[str | None] = mapped_column(String, nullable=True)
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email_verification_token_expires_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
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trade_wishlist: Mapped[str | None] = mapped_column(Text, nullable=True, default="")
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last_active_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
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cards: Mapped[list["Card"]] = relationship(back_populates="user", cascade="all, delete-orphan")
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decks: Mapped[list["Deck"]] = relationship(back_populates="user", cascade="all, delete-orphan")
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notifications: Mapped[list["Notification"]] = relationship(back_populates="user", cascade="all, delete-orphan")
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friendships_sent: Mapped[list["Friendship"]] = relationship(
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foreign_keys="Friendship.requester_id", back_populates="requester", cascade="all, delete-orphan"
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)
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friendships_received: Mapped[list["Friendship"]] = relationship(
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foreign_keys="Friendship.addressee_id", back_populates="addressee", cascade="all, delete-orphan"
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)
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proposals_sent: Mapped[list["TradeProposal"]] = relationship(
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foreign_keys="TradeProposal.proposer_id", back_populates="proposer", cascade="all, delete-orphan"
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)
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proposals_received: Mapped[list["TradeProposal"]] = relationship(
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foreign_keys="TradeProposal.recipient_id", back_populates="recipient", cascade="all, delete-orphan"
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)
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challenges_sent: Mapped[list["GameChallenge"]] = relationship(
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foreign_keys="GameChallenge.challenger_id", back_populates="challenger", cascade="all, delete-orphan"
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)
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challenges_received: Mapped[list["GameChallenge"]] = relationship(
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foreign_keys="GameChallenge.challenged_id", back_populates="challenged", cascade="all, delete-orphan"
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)
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class Card(Base):
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__tablename__ = "cards"
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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user_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=True)
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name: Mapped[str] = mapped_column(String, nullable=False)
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image_link: Mapped[str] = mapped_column(String, nullable=True)
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card_rarity: Mapped[str] = mapped_column(String, nullable=False)
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card_type: Mapped[str] = mapped_column(String, nullable=False)
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text: Mapped[str] = mapped_column(Text, nullable=True)
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attack: Mapped[int] = mapped_column(Integer, nullable=False)
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defense: Mapped[int] = mapped_column(Integer, nullable=False)
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cost: Mapped[int] = mapped_column(Integer, nullable=False)
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generated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.now)
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received_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True, default=None)
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times_played: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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reported: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
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ai_used: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
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is_favorite: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
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willing_to_trade: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
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user: Mapped["User | None"] = relationship(back_populates="cards")
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deck_cards: Mapped[list["DeckCard"]] = relationship(back_populates="card", cascade="all, delete-orphan")
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class Deck(Base):
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__tablename__ = "decks"
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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user_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
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name: Mapped[str] = mapped_column(String, nullable=False)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.now)
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times_played: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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wins: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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losses: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
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deleted: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
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user: Mapped["User"] = relationship(back_populates="decks")
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deck_cards: Mapped[list["DeckCard"]] = relationship(back_populates="deck", cascade="all, delete-orphan")
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class Notification(Base):
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__tablename__ = "notifications"
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__table_args__ = (
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CheckConstraint("type IN ('friend_request', 'trade_offer', 'trade_response', 'game_challenge')", name="ck_notifications_type"),
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)
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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user_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
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# type is one of: friend_request, trade_offer, trade_response, game_challenge
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type: Mapped[str] = mapped_column(String, nullable=False)
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payload: Mapped[dict] = mapped_column(JSONB, nullable=False, default=dict)
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read: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.now)
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expires_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
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user: Mapped["User"] = relationship(back_populates="notifications")
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class Friendship(Base):
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__tablename__ = "friendships"
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__table_args__ = (
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UniqueConstraint("requester_id", "addressee_id", name="uq_friendship_requester_addressee"),
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CheckConstraint("status IN ('pending', 'accepted', 'declined')", name="ck_friendships_status"),
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)
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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requester_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
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addressee_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
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# status: pending / accepted / declined
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status: Mapped[str] = mapped_column(String, nullable=False, default="pending")
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created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.now)
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requester: Mapped["User"] = relationship(foreign_keys=[requester_id], back_populates="friendships_sent")
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addressee: Mapped["User"] = relationship(foreign_keys=[addressee_id], back_populates="friendships_received")
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class TradeProposal(Base):
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__tablename__ = "trade_proposals"
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__table_args__ = (
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CheckConstraint("status IN ('pending', 'accepted', 'declined', 'expired')", name="ck_trade_proposals_status"),
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)
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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proposer_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
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recipient_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
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# Both sides stored as JSONB lists of UUID strings so either party can offer 0 or more cards,
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# mirroring the flexibility of the real-time trade system
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offered_card_ids: Mapped[list] = mapped_column(JSONB, nullable=False, default=list)
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requested_card_ids: Mapped[list] = mapped_column(JSONB, nullable=False, default=list)
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# status: pending / accepted / declined / expired
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status: Mapped[str] = mapped_column(String, nullable=False, default="pending")
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created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.now)
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expires_at: Mapped[datetime] = mapped_column(DateTime, nullable=False)
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proposer: Mapped["User"] = relationship(foreign_keys=[proposer_id])
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recipient: Mapped["User"] = relationship(foreign_keys=[recipient_id])
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class GameChallenge(Base):
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__tablename__ = "game_challenges"
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__table_args__ = (
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CheckConstraint("status IN ('pending', 'accepted', 'declined', 'expired')", name="ck_game_challenges_status"),
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)
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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challenger_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
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challenged_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
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challenger_deck_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("decks.id", ondelete="CASCADE"), nullable=False)
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# status: pending / accepted / declined / expired
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status: Mapped[str] = mapped_column(String, nullable=False, default="pending")
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created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.now)
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expires_at: Mapped[datetime] = mapped_column(DateTime, nullable=False)
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challenger: Mapped["User"] = relationship(foreign_keys=[challenger_id], back_populates="challenges_sent")
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challenged: Mapped["User"] = relationship(foreign_keys=[challenged_id], back_populates="challenges_received")
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challenger_deck: Mapped["Deck"] = relationship(foreign_keys=[challenger_deck_id])
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class DeckCard(Base):
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__tablename__ = "deck_cards"
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deck_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("decks.id", ondelete="CASCADE"), primary_key=True)
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card_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("cards.id", ondelete="CASCADE"), primary_key=True)
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deck: Mapped["Deck"] = relationship(back_populates="deck_cards")
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card: Mapped["Card"] = relationship(back_populates="deck_cards")
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class ProcessedWebhookEvent(Base):
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__tablename__ = "processed_webhook_events"
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# stripe_event_id is the primary key — acts as unique constraint to prevent duplicate processing
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stripe_event_id: Mapped[str] = mapped_column(String, primary_key=True)
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processed_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.now, nullable=False)
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