Fixing ruff and mypy issues (#23)

Reviewed-on: #23
Co-authored-by: Andrew Kettel <andrew.kettel@gmail.com>
Co-committed-by: Andrew Kettel <andrew.kettel@gmail.com>

src/database.py

@@ -3,22 +3,24 @@ from __future__ import annotations
 from datetime import UTC, datetime
 
 from flask_sqlalchemy import SQLAlchemy
-from sqlalchemy.orm import DeclarativeBase, Mapped
-
-db: SQLAlchemy = SQLAlchemy()
+from sqlalchemy import Boolean, DateTime, Integer, String
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
 
 
 class Base(DeclarativeBase):
     pass
 
 
+db: SQLAlchemy = SQLAlchemy(model_class=Base)
+
+
 class CameraStatus(Base):
     __tablename__ = "camera_status"
 
-    id: Mapped[int] = db.mapped_column(db.Integer, primary_key=True)
-    running: Mapped[bool] = db.mapped_column(db.Boolean, nullable=False, default=False)
-    updated_at: Mapped[datetime] = db.mapped_column(
-        db.DateTime(timezone=True),
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    running: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
         nullable=False,
         default=lambda: datetime.now(UTC),
     )
@@ -44,14 +46,11 @@ class CameraStatus(Base):
 
 class CameraEvent(Base):
     __tablename__ = "camera_events"
-
-    id: Mapped[int] = db.mapped_column(db.Integer, primary_key=True)
-    action: Mapped[str] = db.mapped_column(
-        db.String(10), nullable=False
-    )  # 'start' | 'stop'
-    ip_address: Mapped[str] = db.mapped_column(db.String(45), nullable=False)
-    timestamp: Mapped[datetime] = db.mapped_column(
-        db.DateTime(timezone=True),
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    action: Mapped[str] = mapped_column(String(10), nullable=False)  # 'start' | 'stop'
+    ip_address: Mapped[str] = mapped_column(String(45), nullable=False)
+    timestamp: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
         nullable=False,
         default=lambda: datetime.now(UTC),
     )