upload.rb

desc "upload to SoundCloud"
task :scupload do
  require 'soundcloud'

  ep = ENV['EP'] or raise 'EP is required'
  token = ENV['SOUNDCLOUD_TOKEN'] or raise 'SOUNDCLOUD_TOKEN is required'

  media = "_media/podcast-ep#{ep}.mp3"
  client = SoundCloud.new(access_token: token)

  puts "Uploading #{media} to SoundCloud"

  # use cURL so that I can see the progress
  output = "soundcloud-#{ep}.out"
  system "curl",
    "--progress-bar",
    "-H", "Accept: application/json",
    "-o", output,
    "-X", "POST",
    "-F", "oauth_token=#{token}",
    "-F", "track[title]=#{MarkdownPost.new(ep).title}",
    "-F", "track[asset_data]=@#{media}",
    "https://api.soundcloud.com/tracks"

  track = JSON.load(File.read(output))
  puts "Episode uploaded to #{track['permalink_url']}"
  File.delete(output)

  metadata = {
    artwork_data: File.new('images/icon1400.jpg'),
    commentable: false, # does not seem to work though :/
    sharing: "public",
    tag_list: "podcast",
  }

  client.put(track['uri'], track: metadata)

  system "open", track['permalink_url']
  puts "---> Edit the comments/stats setting on the browser!"

  permalink = "#{track['id']}-#{track['user']['permalink']}-#{track['permalink']}"
  enclosure_url = "http://feeds.soundcloud.com/stream/#{permalink}.mp3"

  puts "Enclosure URL: #{enclosure_url}"
end