Contents

# encoding: UTF-8
module MongoidExt
  module Filter
    class ResultSet
      instance_methods.each { |m| undef_method m unless m =~ /(^__|^nil\?$|^send$|respond_to\?|proxy_|^object_id$)/ }

      attr_accessor :subject
      attr_reader :total_entries, :per_page, :current_page
      attr_reader :parsed_query
      attr_reader :mongo_query
      alias limit per_page
      alias :total_count :total_entries
      alias :limit_value :per_page

      def initialize(total_entries, parsed_query, mongo_query, current_page, per_page=nil)
        @total_entries    = total_entries.to_i
        @mongo_query = mongo_query
        @parsed_query = parsed_query
        self.per_page     = per_page
        self.current_page = current_page
      end

      def total_pages
        (total_entries / per_page.to_f).ceil
      end
      alias :num_pages :total_pages

      def out_of_bounds?
        current_page > total_pages
      end

      def previous_page
        current_page > 1 ? (current_page - 1) : nil
      end

      def next_page
        current_page < total_pages ? (current_page + 1) : nil
      end

      def skip
        (current_page - 1) * per_page
      end
      alias offset skip # for will paginate support

      def send(method, *args, &block)
        if respond_to?(method)
          super
        else
          subject.send(method, *args, &block)
        end
      end

      def ===(other)
        other === subject
      end

      def method_missing(name, *args, &block)
        @subject.send(name, *args, &block)
      end

      def respond_to?(name, *args, &block)
        super || @subject.respond_to?(name, *args, &block)
      end

      private
        def per_page=(value)
          value = 25 if value.blank?
          @per_page = value.to_i
        end

        def current_page=(value)
          value = value.to_i
          value = 1 if value < 1
          @current_page = value
        end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
mongoid_ext-0.9.0	lib/mongoid_ext/filter/result_set.rb
mongoid_ext-0.7.1	lib/mongoid_ext/filter/result_set.rb