Module: Dynamorphic::DynamorphicSetter::ClassMethods

Defined in:
lib/dynamorphic/dynamorphic_setter.rb

Instance Method Summary collapse

Instance Method Details

#belongs_to_dynamorphic(model) ⇒ Object 



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# File 'lib/dynamorphic/dynamorphic_setter.rb', line 9

def belongs_to_dynamorphic(model)
  define_method "#{model}=" do |args|
    update("#{model}_type" => args.class.name, "#{model}_id" => args.id)
  end

  define_method "#{model}" do
    if self.send("#{model}_type") && self.send("#{model}_id")
      self.send("#{model}_type").constantize.find(self.send("#{model}_id"))
    end
  end
end

#has_many_dynamorphic(pluralized_model, *args) ⇒ Object 



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# File 'lib/dynamorphic/dynamorphic_setter.rb', line 21

def has_many_dynamorphic(pluralized_model, *args)
  define_method "#{pluralized_model}" do
    singular_model_name = pluralized_model.to_s.singularize
    model = singular_model_name.camelize.constantize
    foreign_association_name = args.first[:as]

    model.where(
      "#{foreign_association_name}_type" => self.class.name,
      "#{foreign_association_name}_id" => self.id
    )
  end

  define_method "add_#{pluralized_model}" do |object|
    singular_model_name = pluralized_model.to_s.singularize
    model = singular_model_name.camelize.constantize
    foreign_association_name = args.first[:as]

    if object.is_a?(Array)
      object.each do |single_object|
        single_object.update(
          "#{foreign_association_name}_type" => self.class.name,
          "#{foreign_association_name}_id" => self.id
        )
      end
    else
      object.update(
        "#{foreign_association_name}_type" => self.class.name,
        "#{foreign_association_name}_id" => self.id
      )
    end
  end
end