def homePage():
recent_items = db.query(Item).order_by(desc(Item.time_created)).limit(10)
# Retrieve categories from class heirarchy rather than the database to
# account for cases when all items in a category are deleted
categories = [cls.__name__ for cls in Item.__subclasses__()]
return render_template("index.html",
items=recent_items,
categories=categories)
