module DataMapper module Is module Paginated def is_paginated(options = {}) extend DataMapper::Is::Paginated::ClassMethods end alias is_page_by_page is_paginated module ClassMethods def paginated(options = {}) page = options.delete(:page) || 1 per_page = options.delete(:per_page) || 5 options.reverse_merge!({ :order => [:id.desc] }) page_count = (count(options).to_f / per_page).ceil options.merge!({ :limit => per_page, :offset => (page - 1) * per_page }) [ page_count , all(options) ] end end end end end