first commit

app/models/fundamental.py

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+from datetime import datetime
+
+from sqlalchemy import DateTime, Float, ForeignKey
+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
+    )
+
+    ticker = relationship("Ticker", back_populates="fundamental_data")