dat972
bc2203524f
Python/FastAPI backend with PostgreSQL for collecting Reddit data via public .json endpoints. React/Vite dashboard for analytics. Docker Compose setup with API and worker services connecting to shared PostgreSQL. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
24 lines
940 B
Python
24 lines
940 B
Python
from datetime import datetime, timezone
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from sqlalchemy import Integer, Float, DateTime, ForeignKey, Index
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from backend.models.base import Base
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class MetricSnapshot(Base):
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__tablename__ = "metric_snapshots"
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__table_args__ = (
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Index("ix_metric_snapshots_post_snapshot", "post_id", "snapshot_at"),
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)
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id: Mapped[int] = mapped_column(primary_key=True)
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post_id: Mapped[int] = mapped_column(ForeignKey("posts.id"), nullable=False)
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score: Mapped[int] = mapped_column(Integer, nullable=False)
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num_comments: Mapped[int] = mapped_column(Integer, nullable=False)
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upvote_ratio: Mapped[float | None] = mapped_column(Float)
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snapshot_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), default=lambda: datetime.now(timezone.utc)
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)
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post: Mapped["Post"] = relationship(back_populates="metric_snapshots") # noqa: F821
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