Generate an RSS feed for Henry Rollins' KCRW radio show

black.coffee

request = require('request')
cheerio = require('cheerio')
builder = require('xmlbuilder')
podcast = require('podcast')
_ = require('underscore')

# scrape website for latest episode number
request 'http://www.kcrw.com/music/programs/hr', (err, resp, body) ->
  $ = cheerio.load(body)
  episodes = []
  latest_episode = parseInt $('.big-piece .duration').text().replace(/KCRW Broadcast /, '')
  episode_count = 6 # the last 6 episodes seem to be downloadable
  fetched_episode_count = 0

  # fetch JSON for each available episode
  for i in [0..5]
    number = latest_episode - i
    request { url: "http://www.kcrw.com/music/shows/henry-rollins/kcrw-broadcast-#{number}/player.json", json: true }, (err, resp, episode) ->
      return if resp.statusCode != 200

      # downloadable episode
      episodes.push(episode) if episode.media.length > 0

      # print the feed when we hit the last episode
      fetched_episode_count += 1
      print_feed(episodes) if fetched_episode_count == episode_count

# print RSS feed to console
print_feed = (episodes) ->
  episodes = _.sortBy(episodes, (e) -> e.date).reverse()

  feed = new podcast
    title: 'Henry Rollins - KCRW'
    description: 'Henry Rollins hosts a great mix of all kinds from all over from all time.'
    itunesImage: 'http://www.kcrw.com/music/shows/henry-rollins/@@images/square_image'
    site_url: 'http://www.kcrw.com/music/shows/henry-rollins'
    author: 'Henry Rollins'

  for ep in episodes
    feed.item
      title: ep.title
      description: ep.description
      guid: ep.uuid
      date: new Date(ep.airdate)
      enclosure: {url: ep.media[0].url}
      itunesImage: ep.image
      itunesDuration: ep.duration

  console.log feed.xml(indent: true)

Link works fine today for me in Overcast app…let’s me add the 6 episodes as podcasts.