activerecord/test/models/reference.rb


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class Reference < ActiveRecord::Base
  belongs_to :person
  belongs_to :job

  has_many :agents_posts_authors, :through => :person

  class << self; attr_accessor :make_comments; end
  self.make_comments = false

  before_destroy :make_comments

  def make_comments
    if self.class.make_comments
      person.update_attributes :comments => "Reference destroyed"
    end
  end
end

class BadReference < ActiveRecord::Base
  self.table_name = 'references'
  default_scope { where(:favourite => false) }
end