services/api/db/migrate/20140423132913_add_object_owner_to_logs.rb

   1 class AddObjectOwnerToLogs < ActiveRecord::Migration
   2   include CurrentApiClient
   3
   4   def up
   5     add_column :logs, :object_owner_uuid, :string
   6     act_as_system_user do
   7       Log.find_in_batches(:batch_size => 500) do |batch|
   8         upd = {}
   9         ActiveRecord::Base.transaction do
  10           batch.each do |log|
  11             if log.properties["new_attributes"]
  12               log.object_owner_uuid = log.properties['new_attributes']['owner_uuid']
  13               log.save
  14             elsif log.properties["old_attributes"]
  15               log.object_owner_uuid = log.properties['old_attributes']['owner_uuid']
  16               log.save
  17             end
  18           end
  19         end
  20       end
  21     end
  22   end
  23
  24   def down
  25     remove_column :logs, :object_owner_uuid
  26   end
  27 end