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290 lines
12 KiB
JavaScript
290 lines
12 KiB
JavaScript
/**
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* Module Name: Last.FM
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* Description: Various lastfm functionality.
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*/
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var _ = require('underscore')._,
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request = require('request');
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var lastfm = function(dbot) {
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this.ApiRoot = 'http://ws.audioscrobbler.com/2.0/';
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this.internalAPI = {
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'getLastFM': function(server, nick, callback) {
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dbot.api.profile.getProfile(server, nick, function(err, user, profile) {
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if(user) {
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if(profile && _.has(profile.profile, 'lastfm')) {
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callback(user, profile.profile.lastfm);
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} else {
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callback(user, null);
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}
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} else {
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callback(null, null);
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}
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});
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}
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};
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this.api = {
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'getRandomArtistTrack': function(mbid, callback) {
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request.get(this.ApiRoot, {
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'qs': {
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'method': 'artist.gettoptracks',
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'mbid': mbid,
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'api_key': this.config.api_key,
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'format': 'json',
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'limit': 10
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},
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'json': true
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}, function(err, res, body) {
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if(_.has(body, 'toptracks') && _.has(body.toptracks, 'track')) {
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var tracks = body.toptracks.track;
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choice = _.random(0, tracks.length - 1),
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track = tracks[choice];
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callback(null, track);
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} else {
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callback('idk', body);
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}
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});
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},
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'getSimilarArtists': function(mbid, callback) {
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request.get(this.ApiRoot, {
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'qs': {
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'method': 'artist.getsimilar',
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'mbid': mbid,
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'api_key': this.config.api_key,
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'format': 'json',
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'limit': 10
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},
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'json': true
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}, function(err, res, body) {
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if(_.has(body, 'similarartists') && _.has(body.similarartists, 'artist')) {
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callback(null, body.similarartists.artist);
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} else {
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callback('idk', body);
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}
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});
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},
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'getListening': function(username, callback) {
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request.get(this.ApiRoot, {
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'qs': {
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'user': username,
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'limit': 2,
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'nowplaying': true,
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'method': 'user.getrecenttracks',
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'api_key': this.config.api_key,
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'format': 'json'
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},
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'json': true
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}, function(err, res, body) {
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if(_.has(body, 'error') && body.error == 6) {
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callback('no_user', null);
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} else if(_.has(body, 'recenttracks') && _.has(body.recenttracks, 'track')
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&& !_.isUndefined(body.recenttracks.track[0])) {
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callback(null, body.recenttracks.track[0]);
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} else {
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callback('no_listen', null);
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}
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});
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},
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'tasteCompare': function(user, oUser, callback) {
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request.get(this.ApiRoot, {
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'qs': {
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'type1': 'user',
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'type2': 'user',
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'value1': user,
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'value2': oUser,
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'method': 'tasteometer.compare',
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'api_key': this.config.api_key,
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'format': 'json'
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},
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'json': true
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}, function(err, res, body) {
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if(_.has(body, 'error') && body.error == 6 || body.error == 7) {
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callback('no_user', user, null);
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} else if(_.has(body, 'comparison') && _.has(body.comparison, 'result')) {
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callback(null, body.comparison.result);
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} else {
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callback('idk', null);
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}
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});
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}
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};
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this.commands = {
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'~suggestion': function(event) {
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this.api.getListening(event.rProfile.lastfm, function(err, track) {
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if(!err) {
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this.api.getSimilarArtists(track.artist.mbid, function(err, similar) {
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if(!err) {
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var choice = _.random(0, similar.length - 1);
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this.api.getRandomArtistTrack(similar[choice].mbid, function(err, track) {
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if(!err) {
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var output = dbot.t('lfm_suggestion', {
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'user': event.user,
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'name': track.name,
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'artist': track.artist.name
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});
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var term = track.name + ' ' + track.artist.name;
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dbot.api.youtube.search(term, function(body) {
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if(_.isObject(body) && _.has(body, 'feed') && _.has(body.feed, 'entry')) {
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var v = body.feed.entry[0];
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link = v.link[0].href.match(dbot.modules.youtube.LinkRegex);
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if(link) {
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output += ' - http://youtu.be/' + link[2];
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}
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}
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event.reply(output);
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});
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} else {
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event.reply('something broke');
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}
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});
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} else {
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event.reply('something broke');
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}
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}.bind(this));
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} else {
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if(err == 'no_user') {
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event.reply('Unknown Last.FM user.');
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} else if(err == 'no_listen') {
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event.reply(dbot.t('no_listen', { 'user': event.user }));
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}
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}
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}.bind(this));
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},
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'~listening': function(event) {
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var user = event.rUser,
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lfm = event.rProfile.lastfm;
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if(event.res[0]) {
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user = event.res[0].user;
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lfm = event.res[0].lfm;
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}
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this.api.getListening(lfm, function(err, track) {
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if(!err) {
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var term = track.name + ' ' + track.artist['#text'],
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output = '';
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if(_.has(track, '@attr') && _.has(track['@attr'], 'nowplaying') && track['@attr'].nowplaying == 'true') {
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output = dbot.t('now_listening', {
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'user': user.currentNick,
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'track': track.name,
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'artist': track.artist['#text']
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});
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} else {
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output = dbot.t('last_listened', {
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'user': user.currentNick,
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'track': track.name,
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'artist': track.artist['#text']
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});
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}
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dbot.api.youtube.search(term, function(body) {
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if(_.isObject(body) && _.has(body, 'feed') && _.has(body.feed, 'entry')) {
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var v = body.feed.entry[0];
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link = v.link[0].href.match(dbot.modules.youtube.LinkRegex);
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if(link) {
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output += ' - http://youtu.be/' + link[2];
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}
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}
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event.reply(output);
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});
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} else {
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if(err == 'no_user') {
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event.reply('Unknown LastFM user.');
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} else if(err == 'no_listen') {
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event.reply(dbot.t('no_listen', { 'user': user.currentNick }));
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}
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}
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});
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},
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'~taste': function(event) {
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var u1 = event.rUser,
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lfm1 = event.rProfile.lastfm,
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u2 = event.res[0].user,
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lfm2 = event.res[0].lfm;
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this.api.tasteCompare(event.rProfile.lastfm, lfm2, function(err, comp) {
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if(!err) {
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var score = Math.floor(comp.score * 100);
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event.reply(dbot.t('taste_compat', {
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'user1': event.user,
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'user2': u2.currentNick,
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'score': score
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}));
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} else {
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if(err == 'no_user') {
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event.reply('Unknown Last.FM user.');
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} else {
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event.reply('Well something went wrong and I don\'t know what it means');
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}
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}
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});
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},
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'~artists': function(event) {
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var u1 = event.rUser,
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lfm1 = event.rProfile.lastfm,
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u2 = event.res[0].user,
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lfm2 = event.res[0].lfm;
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this.api.tasteCompare(event.rProfile.lastfm, lfm2, function(err, comp) {
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if(!err) {
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var artists = _.pluck(comp.artists.artist, 'name').join(', ');
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event.reply(dbot.t('common_artists', {
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'user1': event.user,
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'user2': u2.currentNick,
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'common': artists
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}));
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} else {
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if(err == 'no_user') {
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event.reply('Unknown Last.FM user.');
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} else {
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event.reply('Well something went wrong and I don\'t know what it means');
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}
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}
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});
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}
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};
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this.commands['~taste'].regex = [/^~taste ([\d\w[\]{}^|\\`_-]+?)/, 2];
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this.commands['~artists'].regex = [/^~artists ([\d\w[\]{}^|\\`_-]+?)/, 2];
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_.each(this.commands, function(command) {
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command.resolver = function(event, callback) {
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if(event.rProfile && _.has(event.rProfile, 'lastfm')) {
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if(event.params[1]) {
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this.internalAPI.getLastFM(event.server, event.params[1], function(user, lfm) {
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if(user && lfm) {
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event.res.push({
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'user': user,
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'lfm': lfm
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});
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callback(false);
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} else {
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if(!user) {
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event.reply('Unknown user.');
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} else {
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event.reply(user.currentNick + ': Set a lastfm username with "~set lastfm username"');
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}
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callback(true);
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}
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});
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} else {
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callback(false);
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}
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} else {
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event.reply(event.user + ': Set a lastfm username with "~set lastfm username"');
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callback(true);
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}
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}.bind(this);
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}, this);
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};
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exports.fetch = function(dbot) {
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return new lastfm(dbot);
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};
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