Contents

# encoding: utf-8

require "dm-aggregates"

module Rango
  module Pagination
    module DataMapper
      module Model
        # @since 0.0.2
        # @example Post.paginate(page, order: [:updated_at.desc])
        def paginate(pagenum = 1, options = Hash.new)
          pagenum = 1 if pagenum.nil?
          page = self.page(pagenum.to_i, options)
          Page.current = page
          offset = page.number(:db) * page.per_page
          self.all(options.merge!(offset: offset, limit: page.per_page))
        end

        # @since 0.0.2
        def page(current, options = Hash.new)
          per_page = defined?(PER_PAGE) ? PER_PAGE : 10
          # the count options are very important
          # Product.count vs. Product.count(online: true)
          Page.new(current: current, count: self.count(options), per_page: per_page)
        end
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rango-0.2.1.pre	lib/rango/contrib/pagination/adapters/datamapper.rb