Initial Commit

app/models.py

@@ -0,0 +1,46 @@
+from __future__ import annotations
+
+from datetime import datetime
+
+from sqlalchemy import Boolean, DateTime, Float, ForeignKey, Index, Integer, String, func
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.db import Base
+
+
+class Device(Base):
+    __tablename__ = "devices"
+
+    id: Mapped[str] = mapped_column(String(64), primary_key=True)
+    name: Mapped[str] = mapped_column(String(255), nullable=False)
+    device_type: Mapped[str] = mapped_column(String(64), nullable=False)
+    enable_cloud_service: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
+    hub_device_id: Mapped[str | None] = mapped_column(String(64))
+    last_seen_at: Mapped[datetime | None] = mapped_column(DateTime)
+    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), nullable=False)
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime,
+        server_default=func.now(),
+        onupdate=func.now(),
+        nullable=False,
+    )
+
+    readings: Mapped[list["Reading"]] = relationship(back_populates="device")
+
+
+class Reading(Base):
+    __tablename__ = "readings"
+    __table_args__ = (
+        Index("ix_readings_device_recorded", "device_id", "recorded_at"),
+        Index("ix_readings_recorded", "recorded_at"),
+    )
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    device_id: Mapped[str] = mapped_column(ForeignKey("devices.id"), nullable=False)
+    recorded_at: Mapped[datetime] = mapped_column(DateTime, nullable=False)
+    temperature: Mapped[float | None] = mapped_column(Float)
+    humidity: Mapped[float | None] = mapped_column(Float)
+    battery: Mapped[int | None] = mapped_column(Integer)
+    version: Mapped[str | None] = mapped_column(String(32))
+
+    device: Mapped[Device] = relationship(back_populates="readings")