view db/migrate/.svn/text-base/072_add_enumerations_position.rb.svn-base @ 307:c7d3b58bd01c feature_117

Produce a single en.yml which contains British texts but describes itself as just English.
The difference between en and en-GB is minimal for this application, apart from date formats, and the pain in maintaining both is significant. See #117 and #58.

class AddEnumerationsPosition < ActiveRecord::Migration
  def self.up
    add_column(:enumerations, :position, :integer, :default => 1) unless Enumeration.column_names.include?('position')
    Enumeration.find(:all).group_by(&:opt).each do |opt, enums|
      enums.each_with_index do |enum, i|
        # do not call model callbacks
        Enumeration.update_all "position = #{i+1}", {:id => enum.id}
      end
    end
  end

  def self.down
    remove_column :enumerations, :position
  end
end