Contents

require 'uri'
  
module Yahoo
  class AdsEstimates
    
    attr_reader :keyword
    attr_reader :budgets
    attr_reader :max_cpcs, :impressions, :clicks
    
    def initialize(_keyword, _budgets=[1.0, 50.0])
      @keyword = _keyword
      @budgets = _budgets
      
      @max_cpcs = []
      @impressions = []
      @clicks = []
      
      @budgets.each do |budget|
        begin
          json = query(budget)
          result = ActiveSupport::JSON::decode(json)
          @impressions << result['impressions'].to_f
          @clicks << result['clicks'].to_f
          @max_cpcs << result['maxBid'].to_f     
        rescue
          RAILS_DEFAULT_LOGGER.info "Problem querying and parsing Yahoo, json: #{json}"
        end
      end
    end
    
    private
    
    def request_uri(_budget)
      # From: http://sem.smallbusiness.yahoo.com/searchenginemarketing/marketingcost.php
      _keyword_escaped = URI.escape(@keyword)
      "http://sem.smallbusiness.yahoo.com/inc/getKeywordForecast.php?format=json&budget=#{_budget}&keyword=#{_keyword_escaped}&target=none"
    end
    
    def query(_budget)
      open(request_uri(_budget)) { |f| return f.string }
      nil
    end
    
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
yahoo_ads_estimates-0.1.1	lib/yahoo/ads_estimates.rb
yahoo_ads_estimates-0.1.0	lib/yahoo/ads_estimates.rb