class SetConferenceTypes < ActiveRecord::Migration def change types = { 'Bike!Bike! 2013' => :annual, 'Bike!Bike! Southeast 2014' => :se, 'Bike!Bike! North 2014' => :n, 'Ohio! Ohio!' => :ne, 'Bike!Bike! 2014' => :annual, 'Bike!Bike! 2015' => :annual, 'Bike!Bike! 2016' => :annual } Conference.all.each do |c| c.conferencetype = types[c.title] || :annual c.year ||= c.end_date.year c.slug = nil c.make_slug c.save! end end end