Create a Spotify playlist from r/listenToThis

README.md

DataFire Dataflow: Create a Spotify playlist from r/listenToThis

Create a new playlist every day using suggestions from Reddit

View on DataFire

About

This Dataflow will retrieve the top links from r/listenToThis, a place for Reddit users to suggest new music.

After extracting artists and song titles, it will search Spotify for the listed tracks and create a new playlist. A great way to discover new music!

Setup

You'll need to connect your Spotify account on the Settings tab

step0.js

// GET https://api.spotify.com/v1/me
function request(data) {
  return {}
}

step1.js

// GET http://www.reddit.com/r/{subreddit}/.rss
function request() {
  return {subreddit: 'listentothis'}
}

step2.js

// GET https://api.spotify.com/v1/search
function request(data) {
  var tracks = data[1].feed.entries.slice(0, 10);
  return tracks.map(function(entry) {
      return {
        type: "track",
        q: entry.title.replace(/\[.*\]/g, '').replace(/\(.*\)/g, ''),
      }
  })
}

step3.js

// POST https://api.spotify.com/v1/users/{user_id}/playlists
function request(data) {
  return {
    user_id: data[0].id,
    body: {
      name: "r/listentothis for " + new Date().toISOString().slice(0,10),
    }
  }
}

step4.js

// POST https://api.spotify.com/v1/users/{user_id}/playlists/{playlist_id}/tracks
function request(data) {
  return {
    user_id: data[0].id,
    playlist_id: data[3].id,
    uris: data[2].filter(function(searchResults) {
      return searchResults.tracks.items.length;
    }).map(function(searchResults) {
      return searchResults.tracks.items[0].uri;
    })
    .join(',')
  }
}