Validates the existance of an associated record in the database through a belongs_to association.
validates_existance_of :ar_belongs_to_association
Supports polymorphic associations.
validates_existance_of :belongs_to_association
class Country < ActiveRecord::Base has_many :users end class User < ActiveRecord::Base belongs_to :country validates_presence_of :country_id # Will pass if the associated country exists in the database validates_existance_of :country end
git clone git://github.com/bogdans83/validatesexistanceof.git
or use “braid”: evil.che.lu/projects/braid
Author:: Bogdan Sandulescu <bogdan at okapistudio the point com> License:: Copyright 2008 Bogdan Sandulescu Released under an MIT-style license.