random-playlist-title.js

random-playlist-title.js

// tracks that make up a given playlist
var playlistTracks = [...];

// store possible words in an array
var dictionary = [];

// loop though tracks and add words to dictionary
for(var i = 0; i < playlistTracks.length; i++){
    var track = playlistTracks[i];

    // grab Track Title, Album Title, Artist name, and Genre; split by spaces
    var trackTitleWords = track.name.split(' ');
    var artistNameWords = track.artist.name.split(' ');
    var albumTitleWords = track.album.name.split(' ');
    var tagWords = track.genre.name.split(' ');

    // add to dictionary array
    dictionary = dictionary.concat(trackTitleWords, artistNameWords, albumTitleWords, tagWords);
}


// shuffle dictionary (I use underscore.js for this)
dictionary = _.shuffle(dictionary);

// random number of words (using 2-4 currently)
var minWords = 2;
var maxWords = 4;
var wordCount = Math.floor(Math.random()*(maxWords - minWords + 1) + minWords);

// get first n words
var playlistWords = dictionary.slice(0, wordCount);

// join words to create title
var playlistTitle = dictionary.join(' ');


// remove/replace unwanted words/characters
// *TODO* create list of common words to remove/replace/reorder (ie, don't end title with "the")

// regex to remove certain punctuation and replace certain characters with spaces
var punctRE = /[\u2000-\u206F\u2E00-\u2E7F\"():;<=>?@\[\]^_`{|}]/g;
var spaceRE = /[\/_]/g;

playlistTitle = playlistTitle.replace('feat.', '').replace(punctRE, '').replace(spaceRE, ' ');