forked from FabricLabs/soundtrack
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util.js
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util.js
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var async = require('async');
var rest = require('restler');
var config = require('./config');
var DEBUG = false;
var TRACK_SEPARATOR = ' - ';
function parseTitleString(string, partsCallback) {
var artist, title, credits = [];
var string = string || '';
function escapeRegExp(str) {
return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
}
// TODO: load from datafile
var baddies = ['[dubstep]', '[electro]', '[edm]', '[house music]',
'[glitch hop]', '[video]', '[official video]', '(official video)',
'(official music video)', '(lyrics)',
'[ official video ]', '[official music video]', '[free download]',
'[official]', '[electronica]', '[electronica | plasmapool]',
'[free dl]', '( 1080p )', '(with lyrics)', '(high res / official video)',
'(music video)', '[music video]', '[hd]', '(hd)', '[hq]', '(hq)',
'(original mix)', '[original mix]', '[lyrics]', '[free]', '[trap]',
'[monstercat release]', '[monstercat freebie]', '[monstercat]',
'[edm.com premeire]', '[edm.com exclusive]', '[enm release]',
'[free download!]', '[monstercat free release]', '[official lyric video]'];
baddies.forEach(function(token) {
string = string.replace(token + ' - ', '').trim();
string = string.replace(token.toUpperCase() + ' - ', '').trim();
string = string.replace(token.toLowerCase() + ' - ', '').trim();
string = string.replace(token.capitalize() + ' - ', '').trim();
string = string.replace(token, '').trim();
string = string.replace(token.toUpperCase(), '').trim();
string = string.replace(token.toLowerCase(), '').trim();
string = string.replace(token.capitalize(), '').trim();
});
if (DEBUG) console.log('next string: ' +string );
var parts = string.split( ' - ' );
if (DEBUG) console.log(parts);
for (var i = 0; i < parts.length; i++) {
if ( baddies.indexOf( parts[i].toLowerCase() ) >= 0 ) {
parts.splice( i , 1 );
}
}
if (DEBUG) console.log(parts);
if (parts.length == 2) {
artist = parts[0];
title = parts[1];
} else if (parts.length > 2) {
// uh...
artist = parts[0];
title = parts[1];
} else {
artist = parts[0];
title = parts[0];
}
// one last pass
baddies.forEach(function(baddy) {
title = title.replace( new RegExp( escapeRegExp(baddy) , 'i') , '').trim();
artist = artist.replace( new RegExp( escapeRegExp(baddy) , 'i') , '').trim();
});
// look for certain patterns in the string
credits.push( title.replace(/(.*)\((.*) remix\)/i, '$2').trim() );
credits.push( title.replace(/(.*) ft\.? (.*)/i, '$1').trim() );
credits.push( title.replace(/(.*) ft\.? (.*)/i, '$2').trim() );
credits.push( title.replace(/(.*) feat\.? (.*)/i, '$1').trim() );
credits.push( title.replace(/(.*) feat\.? (.*)/i, '$2').trim() );
credits.push( title.replace(/(.*) featuring (.*)/i, '$2').trim() );
credits.push( title.replace(/(.*) \(ft (.*)\)/i, '$1').trim() );
credits.push( title.replace(/(.*) \(ft (.*)\)/i, '$2').trim() );
credits.push( title.replace(/(.*) \(feat\.? (.*)\)/i, '$2').trim() );
credits.push( title.replace(/(.*) \(featuring (.*)\)/i, '$2').trim() );
credits.push( title.replace(/(.*) \(produced by (.*)\)/i,'$2').trim() );
credits.push( artist.replace(/(.*) ft\.? (.*)/i, '$1').trim() );
credits.push( artist.replace(/(.*) ft\.? (.*)/i, '$2').trim() );
credits.push( artist.replace(/(.*) feat\.? (.*)/i, '$1').trim() );
credits.push( artist.replace(/(.*) feat\.? (.*)/i, '$2').trim() );
credits.push( artist.replace(/(.*) featuring (.*)/i, '$2').trim() );
credits.push( artist.replace(/(.*) \(ft (.*)\)/i, '$1').trim() );
credits.push( artist.replace(/(.*) \(ft (.*)\)/i, '$2').trim() );
credits.push( artist.replace(/(.*) \(feat\.? (.*)\)/i, '$1').trim() );
credits.push( artist.replace(/(.*) \(featuring (.*)\)/i, '$2').trim() );
credits.push( artist.replace(/(.*) & (.*)/ig, '$1').trim() );
credits.push( artist.replace(/(.*) & (.*)/ig, '$2').trim() );
credits.push( artist.replace(/(.*) vs\.? (.*)/i, '$1').trim() );
credits.push( artist.replace(/(.*) vs\.? (.*)/i, '$2').trim() );
credits.push( artist.replace(/(.*) x (.*)/i, '$1').trim() );
credits.push( artist.replace(/(.*) x (.*)/i, '$2').trim() );
var creditMap = {};
credits.forEach(function(credit) {
if (credit !== title) { // temp., until we find out why title is in credits
creditMap[ credit ] = credit;
}
});
var output = {
artist: artist
, title: title
, credits: Object.keys(creditMap)
};
if (DEBUG) console.log('output parts: ' + JSON.stringify(output) );
/* console.log('artist: ' + artist);
console.log('title: ' + title);
console.log('credits: ' + credits);*/
partsCallback(output);
}
String.prototype.capitalize = function(){
return this.replace( /(^|\s)([a-z])/g , function(m,p1,p2){ return p1+p2.toUpperCase(); } );
};
module.exports = {
timeSeries: function(field, interval, skip, limit) {
var queries = [];
if (!interval) { var interval = 24; }
if (!skip) { var skip = 1000 * 60 * 60 * 24; }
if (!limit) { var limit = 24; }
var halfTime = interval / 2; // moving window
for (var i = 0; i <= limit; i++) {
var start = new Date();
var end = new Date( start.getTime() );
start = new Date( start - ((i+1) * skip) );
end = new Date( start.getTime() + interval );
var query = {};
query[ field ] = {
$gte: start
, $lt: end
};
queries.push( query );
}
return queries;
},
parseTitleString: parseTitleString
}