Contents

# encoding: utf-8

class Tagging < ActiveRecord::Base
  belongs_to :tag
  belongs_to :taggable, polymorphic: true

  validates_presence_of :taggable_id, :taggable_type
  validates :tag_id,
            presence: true,
            uniqueness: { scope: [:taggable_type, :taggable_id] }

  def self.tagged_class(taggable)
    ActiveRecord::Base.send(
      :class_of_active_record_descendant,
      taggable.class
    ).to_s
  end

  def self.find_taggable(tagged_class, tagged_id)
    tagged_class.constantize.find(tagged_id)
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
pages_core-3.4.3	app/models/tagging.rb
pages_core-3.4.2	app/models/tagging.rb