47 lines
1.9 KiB
Python
47 lines
1.9 KiB
Python
import uuid
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from datetime import datetime, timezone
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from typing import Optional, TYPE_CHECKING
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from sqlalchemy import String, DateTime, Integer, CheckConstraint, UniqueConstraint, ForeignKey
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from sqlalchemy.dialects.postgresql import UUID
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from app.core.database import Base
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if TYPE_CHECKING:
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from app.models.user import User
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from app.models.session import Session
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from app.models.tree import Tree
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class SessionRating(Base):
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__tablename__ = "session_ratings"
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__table_args__ = (
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CheckConstraint("rating >= 1 AND rating <= 5", name="ck_session_ratings_rating_range"),
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UniqueConstraint("session_id", name="uq_session_ratings_session_id"),
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)
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id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
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)
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session_id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), ForeignKey("sessions.id", ondelete="CASCADE"), nullable=False
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)
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user_id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), ForeignKey("users.id", ondelete="CASCADE"), nullable=False
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)
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tree_id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), ForeignKey("trees.id", ondelete="CASCADE"), nullable=False
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)
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account_id: Mapped[uuid.UUID] = mapped_column(
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UUID(as_uuid=True), ForeignKey("accounts.id", ondelete="CASCADE"), nullable=False
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)
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rating: Mapped[int] = mapped_column(Integer, nullable=False)
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comment: Mapped[Optional[str]] = mapped_column(String(500), nullable=True)
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created_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), default=lambda: datetime.now(timezone.utc), nullable=False
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)
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# Relationships
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session: Mapped["Session"] = relationship("Session", foreign_keys=[session_id])
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user: Mapped["User"] = relationship("User", foreign_keys=[user_id])
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tree: Mapped["Tree"] = relationship("Tree", foreign_keys=[tree_id])
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