ROR 3 defining the relation of foreign keys

Question

I am having trouble finding a good tutorial on how to identify the basic foreign key relationships between models. Suppose I have a user model and a game model.

I would like to define two fields in the Game model: host_id and visitor_id, which map to the relation of the foreign key to the user model. The identifiers of the “host” and “visitor” fields of the “Game” class basically determine the two players who will participate in the peer-to-peer game ... and these fields must be mapped to the actual users of the application, as defined in the User model by the user ID.

Thanks!

Answer 1

Did it try http://guides.rubyonrails.org/association_basics.html ? I think it could be like this:

class User belongs_to :game end class Game has_one :host_user, :class_name => "User" has_one :visit_user, :class_name => "User" end