Module: SemanticallyTaggable::Taggable

Defined in:
lib/semantically_taggable/semantically_taggable.rb,
lib/semantically_taggable/semantically_taggable/core.rb,
lib/semantically_taggable/semantically_taggable/cache.rb,
lib/semantically_taggable/semantically_taggable/collection.rb

Defined Under Namespace

Modules: Cache, Collection, Core

Instance Method Summary collapse

Instance Method Details

#semantically_taggable(*scheme_names) ⇒ Object

Make a model taggable in a specified scheme.

Example:

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

Parameters:

  • scheme_names (Array) —

    An array of taggable scheme names (must exist in Scheme model)

Raises:

  • (ArgumentError) 


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# File 'lib/semantically_taggable/semantically_taggable.rb', line 16

def semantically_taggable(*scheme_names)
  scheme_names = scheme_names.to_a.flatten.compact.map(&:to_sym)
  raise ArgumentError, "At least one scheme name required, none given" unless scheme_names.present?

  if taggable?
    write_inheritable_attribute(:scheme_names, (self.scheme_names + scheme_names).uniq)
  else
    write_inheritable_attribute(:scheme_names, scheme_names)
    class_inheritable_reader(:scheme_names)

    class_eval do
      has_many :taggings, :as => :taggable, :dependent => :destroy, :include => :tag, :class_name => "SemanticallyTaggable::Tagging"
      has_many :base_tags, :through => :taggings, :source => :tag, :class_name => "SemanticallyTaggable::Tag"

      def self.taggable?
        true
      end

      include SemanticallyTaggable::Taggable::Core
      include SemanticallyTaggable::Taggable::Collection
# TODO: reintroduce caching support
#          include SemanticallyTaggable::Taggable::Cache
    end
  end
end

#taggable? ⇒ Boolean

Returns:

  • (Boolean) 


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

def taggable?
  false
end