app.rb

#!/usr/bin/env ruby

require 'bundler/setup'
Bundler.require
DEFAULT_TARGETS = %w(
  https://www.youtube.com/playlist?list=PLA6DC52121CDE580A
  https://www.youtube.com/playlist?list=PL1HChj_66u32ZsFs-p4hu7fjfzC6amQGl
  https://www.youtube.com/playlist?list=PL1HChj_66u3250P_rvNy9e34N85-o1Obe
  https://www.youtube.com/playlist?list=PL1HChj_66u31ydENSAG5LUxUGpS_ffx9j
  https://www.youtube.com/playlist?list=PL1HChj_66u32u8-KZq-ptJjm0GoV0AqKb
  https://www.youtube.com/playlist?list=PL1HChj_66u31Jg8b5TtEX-N2-RzN0oIKN
  https://www.youtube.com/playlist?list=PL1HChj_66u31WYnGsc_7sXcv3tKYUKJb1
  https://www.youtube.com/playlist?list=PL1HChj_66u314S_0ptuG2HXyUJpxDp3JC
  https://www.youtube.com/playlist?list=PL1HChj_66u30bRWk0Ty_nEZUMzHa3B3TI
  https://www.youtube.com/watch?v=BoSGFGg8ijU&list=PLvlw_ICcAI4cDtL3pBl80RMawk-sMTmki
  https://www.youtube.com/watch?v=_D_Yhevp6r0&list=PLvlw_ICcAI4fShFuH9p4ugLuv75jyDjbu
  https://www.youtube.com/watch?v=G30vzvuEmFo&list=PLvlw_ICcAI4dXql41zUwAY2FnsCIzT5b-
  https://www.youtube.com/watch?v=XEh9KLg_sVQ&list=PLvlw_ICcAI4dT5siJAyQJag9_-T_X5VT_
  https://www.youtube.com/watch?v=k8vwQF3v0sc&list=PLvlw_ICcAI4c4b2ZGM9BmSLGCQVf7x0CO
  https://www.youtube.com/watch?v=CI6CX6g40AU&list=PLvlw_ICcAI4cqAVVnhRagLO5ortNNTE_X
  https://www.youtube.com/watch?v=gaZPSqXxD3w&list=PLvlw_ICcAI4ermdmmjtr6uxYj0eZ_nKc4
  https://www.youtube.com/watch?v=WBhE5OhhjKM&list=PLvlw_ICcAI4dgellaUrmAcV7s-VhfqHat
  https://www.youtube.com/watch?v=PpQ3xcxJOis&list=PLvlw_ICcAI4ed3giZuufaP-0ccuK9ZsY9
  https://www.youtube.com/watch?v=l2g3fE7Pn0M&list=PLvlw_ICcAI4f2cXiWqPrA9FckUS31E3ju
)

class App < Sinatra::Application
  get '/start' do
    `castnow #{params[:target] || DEFAULT_TARGETS.sample} &`
    'ok'
  end

  get '/stop' do
    `castnow stop &`
    'ok'
  end
end