Contents

module Mongoid #:nodoc:
  class Paginator #:nodoc:

    attr_reader :limit, :offset

    # Create the new Paginator with the supplied options. 
    # * Will default to offset 0 if no page defined in the options.
    # * Will default to limit 20 if no per_page defined in the options.
    def initialize(options = {})
      page = options[:page]
      @limit = options[:per_page] || 20
      @offset = page ? (page - 1) * @limit : 0
    end

    # Generate the options needed for returning the correct
    # results given the supplied parameters
    def options
      { :limit => @limit, :offset => @offset }
    end

  end
end

Version data entries

5 entries across 5 versions & 2 rubygems

Version	Path
durran-mongoid-0.2.0	lib/mongoid/paginator.rb
durran-mongoid-0.2.2	lib/mongoid/paginator.rb
durran-mongoid-0.2.3	lib/mongoid/paginator.rb
durran-mongoid-0.2.4	lib/mongoid/paginator.rb
mongoid-0.2.5	lib/mongoid/paginator.rb