[Ruby-activeldap-discuss] ActiveLdap and ActiveRecord compatibility

[Kouhei Sutou]

Hi,

In <200805221053.24361.atapiador at dit.upm.es>
  "[Ruby-activeldap-discuss] ActiveLdap and ActiveRecord compatibility" on Thu, 22 May 2008 10:53:24 +0200,
  Antonio Tapiador del Dujo <atapiador at dit.upm.es> wrote:

> I'm fetching Users from a LDAP directory. I'll wish to set up relations with 
> ActiveRecord models, for example Users Profile:
> 
> class User < ActiveLdap::Base
>   ldap_mapping :dn_attribute => 'uid', :prefix => 'ou=users', :classes => 
> ['uidObject','inetOrgPerson','top']
> end
> 
> class Profile < ActiveRecord::Base
>   belongs_to :user
> end
> 
> But I get errors related to the user_id foreign key in profiles table
> 
> ** Using an Integer user_id:
> TypeError: can't convert Fixnum into String
> 
> ** User a String user_id, the id is correctly saved but I get:
> >> profile.user
> ArgumentError: Unknown key(s): conditions, include

There are no idea to integrate ActiveRecord's associations
because they use SQL to associate objects. ActiveLdap can't
process SQL because it's a library for LDAP.

> Is there any way to set relations between ActiveLdap and ActiveRecord models?

Just define a method for now:

class Profile < ActiveRecord::Base
  def user
    User.find(user_id)
  end
end


Thanks,
--
kou