Module: Popularity::ContainerMethods

Included in:
RedditShare, ResultsContainer
Defined in:
lib/popularity/results_container.rb

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/popularity/results_container.rb', line 4

def self.included(base)
  base.class_eval do
    def results
      @results
    end

    def add_result(result)
      @results ||= []

      if @results.size > 0
        verify_type = @results.first.name
        if verify_type == result.name
          @results << result
        else
          raise "ResultTypeError", "types must be the same within a results container"
        end
      else
        @results << result
      end
    end

    def to_json(options ={})
      individual = {}
      total = {}
      @results.collect do |result|
        json = result.to_json
        individual[result.url] = json

        json.each do |key, value|
          next if key == "total"

          if value.is_a?(Hash) 
            # RedditShare breaks out into separate results for each reddit link 
            # I'm not a big fan of this hacky stuff here
            value.each do |k,v|
              total[k] ||= 0
              total[k] += v
            end
          else
            total[key] ||= 0
            total[key] += value
          end    
        end
      end

      individual["total"] = total
      individual
    end

    def method_missing(method_sym, *arguments, &block)
      return 0 unless @results
      collection = @results.collect do |result|
        result.send(method_sym, *arguments)
      end

      if collection.all? { |t| t.is_a?(Fixnum) }
        collection.reduce(:+) 
      end
    end
  end
end