view db/migrate/078_add_custom_fields_position.rb @ 583:4ee092298206 feature_36

Created just one function to fill the user's author info (used to be in 2 different places)
author luisf <luis.figueira@eecs.qmul.ac.uk>
date Wed, 10 Aug 2011 17:58:16 +0100
parents 513646585e45
children 622f24f53b42
line wrap: on
line source
class AddCustomFieldsPosition < ActiveRecord::Migration
  def self.up
    add_column(:custom_fields, :position, :integer, :default => 1)
    CustomField.find(:all).group_by(&:type).each  do |t, fields|
      fields.each_with_index do |field, i|
        # do not call model callbacks
        CustomField.update_all "position = #{i+1}", {:id => field.id}
      end
    end
  end

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