Fix missing tagged_ids in some taggable objects and add a rake task for it

lib/tasks/migrate.rake

@@ -310,4 +310,16 @@ namespace :migrate do
     Rake::Task["web_link_url:web_link_url_i18n"].execute
   end
 
+  task :fix_tagged_ids => :environment do
+    Tag.all.each do |tag|
+      tag.taggings.each do |tagging|
+        tagged_ids = tagging.taggable.tagged_ids
+        unless tagged_ids.include?(tag.id.to_s)
+          tagged_ids << tag.id.to_s
+          tagging.taggable.update_attribute(:tagged_ids, tagged_ids)
+        end
+      end
+    end
+  end
+
 end