Monkeypatch to preserve tagging order of acts-as-taggable-on

gistfile1.rb

module ActsAsTaggableOn::Taggable
  module Ownership
    module InstanceMethods
      def save_owned_tags
        tagging_contexts.each do |context|
          cached_owned_tag_list_on(context).each do |owner, tag_list|

            orig_tag_list = tag_list

            tag_list = ActsAsTaggableOn::Tag.find_or_create_all_with_like_by_name(tag_list.uniq)            
            owned_tags = owner_tags_on(owner, context)              

            # Find all taggings that belong to the taggable (self), are owned by the owner, 
            # have the correct context, and are removed from the list.
            old_taggings = ActsAsTaggableOn::Tagging.where(:taggable_id => id, :taggable_type => self.class.base_class.to_s,
                                                           :tagger_type => owner.class.to_s, :tagger_id => owner.id,
                                                           :tag_id => owned_tags, :context => context).all
          
            if old_taggings.present?
              # Destroy old taggings:
              ActsAsTaggableOn::Tagging.destroy_all(:id => old_taggings.map(&:id))
            end

            orig_tag_list.each do |tag_name|
              tag = tag_list.detect {|t| t.name == tag_name}
              taggings.create!(:tag_id => tag.id, :context => context.to_s, :tagger => owner, :taggable => self)
            end
          end
        end
        
        true
      end
    end
  end
end