Dashing widget to fetch iTunes Store Podcast ranking & ratings

README.md

itunes_store.rb

#!/usr/bin/env ruby
require 'net/http'
require 'uri'
require 'nokogiri'

id = '603013428'
country = 'jp'
genre = '1318'
filter = ["275834665", "537657040", "470664050"] # Apple's

feed = URI("https://itunes.apple.com/#{country}/rss/toppodcasts/limit=100/genre=#{genre}/xml")
page = URI("https://itunes.apple.com/#{country}/podcast/id#{id}")

SCHEDULER.every '1h', :first_in => 0 do |job|
  http = Net::HTTP.new(feed.host, feed.port)
  http.use_ssl = true
  response = http.request(Net::HTTP::Get.new(feed.request_uri))

  doc = Nokogiri::XML(response.body)
  entries = doc.css('entry').map {  |node| node.css('id')[0]['im:id'] } - filter
  rank = entries.find_index(id) + 1

  http = Net::HTTP.new(page.host, page.port)
  http.use_ssl = true
  response = http.request(Net::HTTP::Get.new(page.request_uri))

  doc = Nokogiri::HTML(response.body)
  stars = "\u2605" * doc.css('.customer-ratings .rating-star').count
  rating_count = doc.css('.customer-ratings .rating-count').text[/\d+/]

  send_event 'itunes_ranking', current: rank, moreinfo: "#{stars} #{rating_count} ratings", prefix: '#'
end