module LocalAssociation

# File lib/nube/local_association.rb, line 18
def create_callback_for_dependent_destroy_or_nullify rel, opts
  if opts[:dependent] == :destroy
    after_destroy "destroy_#{rel}"

    define_method "destroy_#{rel}" do
      send(rel).destroy_all
    end
  elsif opts[:dependent] == :nullify
    after_destroy "nullify_#{rel}"

    define_method "nullify_#{rel}" do
      send(rel).update_all(self.class.foreign_key(rel) => nil)
    end
  end
end

# File lib/nube/local_association.rb, line 7
def reflection(rel=nil)
  _reflection = self.reflect_on_all_associations.map do |assc|
    { type: assc.class.name[/([^::]+)Reflection\z/,1].underscore,
      klass: (assc.options[:polymorphic] ?  nil : assc.klass),
      rel: assc.name,
      foreign_key: assc.foreign_key }
  end
  _reflection += remote_reflections.to_a
  rel.nil? ? _reflection : _reflection.select{|r| r[:rel] == rel }.first
end