lastfm

lastfm-node

Read and write to users recent plays on Last.fm.

Installation

npm install lastfm

Dependencies

Requires hashlib. http://github.com/brainfucker/hashlib

Usage

var LastFmNode = require('lastfm').LastFmNode;

var lastfm = new LastFmNode({
  api_key: 'apikey',    // sign-up for a key at http://www.last.fm/api
  secret: 'secret'
});

Documentation

RecentTracksStream

lastfm.subscribe(username);

Returns: a RecentTracksStream instance

Methods:

• start()

    Start streaming tracks.
  

• addListener(event, handler)

    Adds a listener for the specified event.
  

• removeListener(event, handler)

    Removes the listener for the specified event.
  

Options:

• autostart

    Start streaming automatically. Defaults to false.
  

Events:

• lastPlayed(track)

    The user's last scrobbled track.
  

• nowPlaying(track)

    Track the user is currently listening to.
  

• scrobbled(track)

    Now playing track has been scrobbled.
  

• stoppedPlaying(track)

    User stopped listening to current track.
  

• error(error)

    Ruh-roh.
  

LastFmSession

lastfm.session([user], [key]);

Returns: a LastFmSession instance.

If no key is supplied then the authorise() method must be used before submissions can be made. See the last.fm API documentation for more info.

Public properties:

• user

    The username of the Last.fm user associated with the session.
  

• key

    The session key. Either passed in or generated using authorise().
  

Methods:

• authorise(token)

    Authorises user with Last.fm api. See last.fm documentation.
  

• addListener(event, handler)

    Adds a listener for the specified event.
  

• removeListener(event, handler)

    Removes the listener for the specified event.
  

• update(method, track, options)

    Update nowPlaying or scrobble a track to authenticated user's plays.
    Valid methods are 'nowplaying' and 'scrobble'.
    Timestamp is a required option for scrobble requests. Timestamp is in unix time (seconds since 01-01-1970 and is in UTC time).
  

Events:

• authorised(session)

    Authorisation of session was successful.
    Note: Only emitted after a call to authorise(). Keys supplied in the constructor are assumed to be valid.
  

• success(track)

   Update request was successful. 
  

• error(track, error)

    Ruh-roh.
  

Example

var LastFmNode = require('lastfm').LastFmNode;

var lastfm = new LastFmNode({
  api_key: 'abc',
  secret: 'secret'
});

var trackStream = lastfm.stream('username');

trackStream.addListener('lastPlayed', function(track) {
  console.log('Last played: ' + track.name);
});

trackStream.addListener('nowPlaying', function(track) {
  console.log('Now playing: ' + track.name);
});

trackStream.addListener('scrobbled', function(track) {
  console.log('Scrobbled: ' + track.name);
});

trackStream.addListener('stoppedPlaying', function(track) {
  console.log('Stopped playing: ' + track.name);
});

trackStream.addListener('error', function(error) {
  console.log('Error: '  + error.message);
});

trackStream.start();

var session = lastfm.session();
session.authorise(token);
session.addListener('authorised', function(session) {
    session.update('nowplaying', track);
    session.update('scrobble', track, { timestamp: 12345678 });
});

Influences

Heavily drawn from technoweenie's twitter-node
http://github.com/technoweenie/twitter-node