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 3

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 as_json(options = {})
      result_property_names = []
      results_json = self.results.collect do |r|
        json = {}

        r.class.property_names.each do |name|
          json[name.to_s] = r.send(name.to_sym)
        end

        json["total"] = r.total

        {r.url => json}
      end

      json = aggregate_json
      json["_results"] = results_json

      json
    end

    def aggregate_json
      json = {}

      names = if self.class.respond_to?(:property_names)
        self.class.property_names
      else
        self.results.first.class.property_names
      end

      names.each do |name|
        json[name.to_s] = self.send(name.to_sym)
      end

      json["total"] = self.total

      json
    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(:+)
      else
        collection.flatten
      end
    end
  end
end