Module: ActsAsTaggableOn::Taggable

Defined in:
lib/acts_as_taggable_on/acts_as_taggable_on.rb,
lib/acts_as_taggable_on/acts_as_taggable_on/core.rb,
lib/acts_as_taggable_on/acts_as_taggable_on/cache.rb,
lib/acts_as_taggable_on/acts_as_taggable_on/related.rb,
lib/acts_as_taggable_on/acts_as_taggable_on/ownership.rb,
lib/acts_as_taggable_on/acts_as_taggable_on/collection.rb

Defined Under Namespace

Modules: Cache, Collection, Core, Ownership, Related

Instance Method Summary collapse

Instance Method Details

#acts_as_taggable ⇒ Object

This is an alias for calling acts_as_taggable_on :tags.

Example:

class Book < ActiveRecord::Base
  acts_as_taggable
end



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# File 'lib/acts_as_taggable_on/acts_as_taggable_on.rb', line 14

def acts_as_taggable
  acts_as_taggable_on :tags
end

#acts_as_taggable_on(*tag_types) ⇒ Object

Make a model taggable on specified contexts.

Example:

class User < ActiveRecord::Base
  acts_as_taggable_on :languages, :skills
end

Parameters:

  • tag_types (Array) —

    An array of taggable contexts



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# File 'lib/acts_as_taggable_on/acts_as_taggable_on.rb', line 27

def acts_as_taggable_on(*tag_types)
  tag_types = tag_types.to_a.flatten.compact.map(&:to_sym)

  if taggable?
    write_inheritable_attribute(:tag_types, (self.tag_types + tag_types).uniq)
  else
    write_inheritable_attribute(:tag_types, tag_types)
    class_inheritable_reader(:tag_types)
    
    class_eval do
      has_many :taggings, :as => :taggable, :dependent => :destroy, :include => :tag
      has_many :base_tags, :class_name => "Tag", :through => :taggings, :source => :tag

      def self.taggable?
        true
      end
    
      include ActsAsTaggableOn::Taggable::Core
      include ActsAsTaggableOn::Taggable::Collection
      include ActsAsTaggableOn::Taggable::Cache
      include ActsAsTaggableOn::Taggable::Ownership
      include ActsAsTaggableOn::Taggable::Related
    end
  end
end

#taggable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acts_as_taggable_on/acts_as_taggable_on.rb', line 3

def taggable?
  false
end