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a00fee9 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | """SQLAlchemy ORM models for the API persistence layer.
Typed with SQLAlchemy 2.0 ``Mapped`` annotations so mypy (via the
``sqlalchemy.ext.mypy.plugin``) can infer attribute types instead of
``Column[...]``.
"""
from __future__ import annotations
import uuid
from datetime import datetime, timezone
from sqlalchemy import DateTime, Float, ForeignKey, Integer, String, Text
from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
def _utcnow() -> datetime:
return datetime.now(timezone.utc)
class Base(DeclarativeBase):
pass
class Review(Base):
__tablename__ = "reviews"
id: Mapped[uuid.UUID] = mapped_column(primary_key=True, default=uuid.uuid4)
text: Mapped[str] = mapped_column(Text, nullable=False)
language: Mapped[str] = mapped_column(String(10), nullable=False)
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=_utcnow)
processing_time_ms: Mapped[float] = mapped_column(Float, nullable=False)
class AspectResult(Base):
__tablename__ = "aspect_results"
id: Mapped[uuid.UUID] = mapped_column(primary_key=True, default=uuid.uuid4)
review_id: Mapped[uuid.UUID] = mapped_column(ForeignKey("reviews.id"), nullable=False)
aspect: Mapped[str] = mapped_column(String(255), nullable=False)
sentiment: Mapped[str] = mapped_column(String(50), nullable=False)
confidence: Mapped[float] = mapped_column(Float, nullable=False)
start_pos: Mapped[int] = mapped_column(Integer, nullable=False)
end_pos: Mapped[int] = mapped_column(Integer, nullable=False)
class BatchJob(Base):
__tablename__ = "batch_jobs"
id: Mapped[uuid.UUID] = mapped_column(primary_key=True, default=uuid.uuid4)
status: Mapped[str] = mapped_column(String(50), nullable=False, default="queued")
total: Mapped[int] = mapped_column(Integer, nullable=False)
processed: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=_utcnow)
completed_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
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