first commit

app/models/ohlcv.py

@@ -0,0 +1,30 @@
+from datetime import date, datetime
+
+from sqlalchemy import BigInteger, Date, DateTime, Float, ForeignKey, Index, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.database import Base
+
+
+class OHLCVRecord(Base):
+    __tablename__ = "ohlcv_records"
+    __table_args__ = (
+        UniqueConstraint("ticker_id", "date", name="uq_ohlcv_ticker_date"),
+        Index("ix_ohlcv_ticker_date", "ticker_id", "date"),
+    )
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    ticker_id: Mapped[int] = mapped_column(
+        ForeignKey("tickers.id", ondelete="CASCADE"), nullable=False
+    )
+    date: Mapped[date] = mapped_column(Date, nullable=False)
+    open: Mapped[float] = mapped_column(Float, nullable=False)
+    high: Mapped[float] = mapped_column(Float, nullable=False)
+    low: Mapped[float] = mapped_column(Float, nullable=False)
+    close: Mapped[float] = mapped_column(Float, nullable=False)
+    volume: Mapped[int] = mapped_column(BigInteger, nullable=False)
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), default=datetime.utcnow, nullable=False
+    )
+
+    ticker = relationship("Ticker", back_populates="ohlcv_records")