chess.rb

class Game < ActiveRecord::Base
	belongs_to :white_user,  class_name: 'User', foreign_key: "white_user_id"

end

class User < ActiveRecord::Base
	has_many :white_games, class_name: 'Game', foreign_key: "white_user_id" # => app/models/game.rb
	has_many :black_games, class_name: 'Game', foreign_key: "black_user_id" # => app/models/game.rb


end



def create
    @game = current_user.white_games.create(game_params)

end


def index
	Game.where("black_user_id IS ? OR white_user_id IS ?",
		current_user.id, current_user.id)

end



class Place < ActiveRecord::Base
	has_many :comments, foreign_key: "place_id" # => app/models/comment.rb => Comment

end



# schema
create_table "comments" do | t|
	t.integer :place_id
end

create_table "games" do |t|

	t.integer :user_id
end