A small plugin to validate the existence of an AR record
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README.rdoc
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README.rdoc

Validates Existance Of Plugin

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.

Usage

validates_existance_of :belongs_to_association

Example

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

Instalation

git clone git://github.com/bogdans83/validatesexistanceof.git

or use “braid”: evil.che.lu/projects/braid

Uninteresting stuff

Author:: Bogdan Sandulescu <bogdan at okapistudio the point com>
License:: Copyright 2008 Bogdan Sandulescu
          Released under an MIT-style license.