from datetime import datetime from sqlalchemy import DateTime, Float, ForeignKey, Text from sqlalchemy.orm import Mapped, mapped_column, relationship from app.database import Base class FundamentalData(Base): __tablename__ = "fundamental_data" id: Mapped[int] = mapped_column(primary_key=True) ticker_id: Mapped[int] = mapped_column( ForeignKey("tickers.id", ondelete="CASCADE"), nullable=False ) pe_ratio: Mapped[float | None] = mapped_column(Float, nullable=True) revenue_growth: Mapped[float | None] = mapped_column(Float, nullable=True) earnings_surprise: Mapped[float | None] = mapped_column(Float, nullable=True) market_cap: Mapped[float | None] = mapped_column(Float, nullable=True) fetched_at: Mapped[datetime] = mapped_column( DateTime(timezone=True), nullable=False ) unavailable_fields_json: Mapped[str] = mapped_column( Text, nullable=False, default="{}" ) ticker = relationship("Ticker", back_populates="fundamental_data")