Module: Mongoid::Taggable

Defined in:
lib/mongoid/taggable.rb

Overview

Copyright © 2010 Wilker Lúcio <[email protected]>

Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Defined Under Namespace

Modules: ClassMethods, InstanceMethods

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/mongoid/taggable.rb', line 16

def self.included(base)
  # create fields for tags and index it
  base.field :tags_array, :type => Array
  base.index [['tags_array', Mongo::ASCENDING]]

  # add callback to save tags index
  base.after_save do |document|
    document.class.save_tags_index!
  end

  # extend model
  base.extend         ClassMethods
  base.send :include, InstanceMethods

  # enable indexing as default
  base.enable_tags_index!
end