Question

I am doing Rails 3.2.3 and have an issue:

I have 2 models Product and User already. The User table was created when I setup devise. I want to make product belong to user and here is what I did:

rails g migration AddUserToProduct user_id:integer

In product model, I add:

belongs_to :user

In User model, I add:

has_many :products

I ran

rake db:migrate 

and i looks fine. To test that, I go to the web interface, log in and make a new product then using Rails console, I type in

Product.last

I am confused since user_id:nil which means there’s no reference between the user and the product.

Is there anything wrong with my code ? What is the proper way to create a reference column between two existing Models ?

Thanks for your helps

Answer 1

Could you show your Products controller? Most likely, you have something like

def create
  @product = Product.new(params[:product])
  ...
end

if so, change it to

def create
  @product = current_user.products.build(params[:product])
  ...
end