Module: ActsAsRelatable::Relatable::ClassMethods

Defined in:
lib/acts_as_relatable/relatable.rb

Instance Method Summary collapse

Instance Method Details

#acts_as_relatable(*relatable_models) ⇒ Object 



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# File 'lib/acts_as_relatable/relatable.rb', line 11

def acts_as_relatable(*relatable_models)
  # Create polymorphic associations
  class_attribute :relatable_types

  self.relatable_types = relatable_models.to_a.flatten.compact.map(&:to_sym) << self.to_s.underscore.to_sym

  has_many :relationships, :as => :relator, :order => "created_at desc", :class_name => "ActsAsRelatable::Relationship", :dependent => :destroy
  has_many :incoming_relationships, :as => :related, :class_name => "ActsAsRelatable::Relationship", :dependent => :destroy

  relatable_types.each do |rel|

    has_many "related_#{rel.to_s.pluralize}",
                              :through => :relationships,
                              :source => "related_#{rel.to_s}",
                              :class_name => rel.to_s.classify,
                              :conditions => { 'relationships.related_type' => rel.to_s.classify }

    has_many "relator_#{rel.to_s.pluralize}",
                            :through => :incoming_relationships,
                            :source => "relator_#{rel.to_s}",
                            :class_name => rel.to_s.classify,
                            :conditions => {'relationships.relator_type' => rel.to_s.classify}

    ActsAsRelatable::Relationship.belongs_to "relator_#{rel.to_s}".to_sym, :class_name => rel.to_s.classify, :foreign_key => :relator_id
    ActsAsRelatable::Relationship.belongs_to "related_#{rel.to_s}".to_sym, :class_name => rel.to_s.classify, :foreign_key => :related_id


  end

  include ActsAsRelatable::Relatable::InstanceMethods
  extend ActsAsRelatable::Relatable::SingletonMethods
end