35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
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"""User ratings -- section 17, additive (accounts/ratings/watchlist).
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Polymorphic across movie/series, same shape as WatchProviderOffering and
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TrendingEntry: `entity_type` + `entity_id` rather than a separate ratings
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table per entity type."""
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from __future__ import annotations
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import uuid
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from sqlalchemy import Float, ForeignKey, Index, String, UniqueConstraint
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from sqlalchemy.orm import Mapped, mapped_column
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from app.models.base import Base, TimestampMixin, UUIDPrimaryKeyMixin
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class Rating(Base, UUIDPrimaryKeyMixin, TimestampMixin):
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__tablename__ = "ratings"
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__table_args__ = (
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UniqueConstraint("user_id", "entity_type", "entity_id"),
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Index("ix_ratings_entity", "entity_type", "entity_id"),
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)
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user_id: Mapped[uuid.UUID] = mapped_column(
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ForeignKey("users.id", ondelete="CASCADE"), nullable=False
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)
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entity_type: Mapped[str] = mapped_column(String(30), nullable=False)
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entity_id: Mapped[uuid.UUID] = mapped_column(nullable=False)
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# 0.5-10.0 in 0.5 steps, same scale as TMDb's own user ratings -- see
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# app/schemas/account.py:RatingIn for the enforced bounds.
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value: Mapped[float] = mapped_column(Float, nullable=False)
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__all__ = ["Rating"]
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