TIF2016出演アイドル別に出演時間を表示する

tif2016.rb

require 'open-uri'
require 'json'

response = open('http://www.idolfes.com/2016/json/timetable/time.json')
data = JSON.parse(response.read)

artists = {}
data.each do |day, stages|
  stages.each do |stage, items|
    items.each do |item|
      (artists[item['artist']] ||= []) << item.merge(
        'day' => day,
        'stage' => stage
      )
    end
  end
end

artists.each do |artist, items|
  puts "*#{artist}"
  items.each do |item|
    puts "\t#{item['day']}[#{item['stage']}](#{item['start']}-#{item['end']})"
  end
end