Class Collection

backend/src/flashcards/models.py:11–21

class Collection(SQLModel, table=True):
    id: uuid.UUID | None = Field(default_factory=uuid.uuid4, primary_key=True)
    name: str = Field(index=True)
    user_id: uuid.UUID = Field(foreign_key="user.id", index=True, ondelete="CASCADE")
    user: "User" = Relationship(back_populates="collections")
    cards: list["Card"] = Relationship(back_populates="collection", cascade_delete=True)
    created_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
    updated_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
    practice_sessions: list["PracticeSession"] = Relationship(
        back_populates="collection", sa_relationship_kwargs={"cascade": "all, delete"}
    )


class Card(SQLModel, table=True):