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node_helper.js
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node_helper.js
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'use strict';
const NodeHelper = require('node_helper');
const SpotifyConnector = require('./core/SpotifyConnector');
module.exports = NodeHelper.create({
start: function () {
this.connector = undefined;
},
socketNotificationReceived: function (notification, payload) {
switch (notification) {
case 'CONNECT_TO_SPOTIFY':
this.connector = new SpotifyConnector(payload);
this.retrieveCurrentSong();
break;
case 'UPDATE_CURRENT_SONG':
this.retrieveCurrentSong();
break;
}
},
retrieveCurrentSong: function () {
this.connector.retrieveCurrentlyPlaying()
.then((response) => {
if (response) {
this.sendRetrievedNotification(response);
} else {
this.sendRetrievedNotification({ noSong: true });
}
})
.catch((error) => {
console.error('Can’t retrieve current song. Reason: ');
console.error(error);
});
},
sendRetrievedNotification: function (songInfo) {
let payload = songInfo;
if (!songInfo.noSong) {
payload = {
imgURL: this.getImgURL(songInfo.item.album.images),
songTitle: songInfo.item.name,
artist: this.getArtistName(songInfo.item.artists),
album: songInfo.item.album.name,
titleLength: songInfo.item.duration_ms,
progress: songInfo.progress_ms,
isPlaying: songInfo.isPlaying,
deviceName: songInfo.device.name
};
}
this.sendSocketNotification('RETRIEVED_SONG_DATA', payload);
},
getArtistName: function (artists) {
return artists.map((artist) => {
return artist.name;
}).join(', ');
},
getImgURL(images) {
let filtered = images.filter((image) => {
return image.width >= 240 && image.width <= 350;
});
return filtered[0].url;
}
});