def get_stats():
total_by_manufacturer = Product.get_total_price_by_every_manufacturer()
total_by_category = Product.get_total_price_by_every_category()
total_by_month = Order.get_total_price_by_every_month()
return render_template('stats.html',
total_by_manufacturer=total_by_manufacturer,
total_by_category=total_by_category,
total_by_month=total_by_month)
