Question

I’ve been following this guide on the Separate Role Model implementation in CanCan. When a User, tries to sign up this error is thrown when creating the Assignment.

User(#21477600) expected, got Symbol(#5785720)

I’m using a Devise generated User with the following before_save functions

class User < ActiveRecord::Base
.
.
.
 def create_profile
    profile = Profile.new :user_id => :id
  end

  def create_role
     Assignment.new :user => :id, :role => Role.find_by_role("user").id
  end
end

I want to default the user’s role to “user”, but I’m obviously doing something wrong. How should this be implemented?

Answer 1

There might be some more effective ways to accomplish this, but I cant tell without the exact model associations.

Anyway, I think this should work:

def create_role
  Assignment.new :user => self, :role => Role.find_by_role("user")
end

Since you specify :user and not :user_id, you should pass self. The same thing for :role. If you had specified :role_id then you should have entered .id after find_by_role but since you only specify :role then remove .id