Chris@1517: class StoreRelationTypeInJournalDetails < ActiveRecord::Migration
Chris@1517: 
Chris@1517:   MAPPING = {
Chris@1517:     "label_relates_to" => "relates",
Chris@1517:     "label_duplicates" => "duplicates",
Chris@1517:     "label_duplicated_by" => "duplicated",
Chris@1517:     "label_blocks" => "blocks",
Chris@1517:     "label_blocked_by" => "blocked",
Chris@1517:     "label_precedes" => "precedes",
Chris@1517:     "label_follows" => "follows",
Chris@1517:     "label_copied_to" => "copied_to",
Chris@1517:     "label_copied_from" => "copied_from"
Chris@1517:   }
Chris@1517: 
Chris@1517:   def up
Chris@1517:     StoreRelationTypeInJournalDetails::MAPPING.each do |prop_key, replacement|
Chris@1517:       JournalDetail.where(:property  => 'relation', :prop_key => prop_key).update_all(:prop_key => replacement)
Chris@1517:     end
Chris@1517:   end
Chris@1517: 
Chris@1517:   def down
Chris@1517:     StoreRelationTypeInJournalDetails::MAPPING.each do |prop_key, replacement|
Chris@1517:       JournalDetail.where(:property  => 'relation', :prop_key => replacement).update_all(:prop_key => prop_key)
Chris@1517:     end
Chris@1517:   end
Chris@1517: end