view db/migrate/022_serialize_possibles_values.rb @ 1087:74407a04925c issue_540

* (publication.rb) - fixed the acts_as_activity query (see diff to previous commit) - not returning duplicate results any longer; added the visible scope to the publication model;
* (init.rb) - created a new public permission - view_publication.

class SerializePossiblesValues < ActiveRecord::Migration
  def self.up
    CustomField.find(:all).each do |field|
      if field.possible_values and field.possible_values.is_a? String
        field.possible_values = field.possible_values.split('|')
        field.save
      end
    end
  end

  def self.down
  end
end