in sql_implementation/__init__.py [0:0]
def product_customers(pk):
customers = Customer.query.join(Order).join(OrderLine).join(Product).filter(Product.id == pk).order_by(
Customer.id).all()
return jsonify([{
"id": cust.id,
"full_name": cust.full_name,
"company_name": cust.company_name,
"email": cust.email,
"address": cust.address,
"postal_code": cust.postal_code,
"city": cust.city,
"country": cust.country,
} for cust in customers])