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 = response.read
json = JSON.parse(data)

artists = {}
json.keys.each{|day|
    json[day].keys.each{|stage|
        json[day][stage].each{|item|
            item["day"] = day
            item["stage"] = stage
            if !artists[item["artist"]]
                artists[item["artist"]] = []
            end
            artists[item["artist"]].push(item)
        }
    }
}

artists.keys.each{|artist|
    puts "*" + artist
    items = artists[artist]
    items.each{|item|
        puts "\t" + item["day"] +  "[" + item["stage"] + "]" "(" + item["start"] + "-" + item["end"] + ")"
    }
}

https://gist.github.com/iorionda/39993c3998c79945ed61fdccd83250dc

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

こんな感じですかねえ。