spotify control

lib/spotify.js

@@ -62,16 +62,61 @@ function Spotify(config) {
     });
   };
 
-  this.getPlaybackState = () => {
-    spotifyApi.getMyCurrentPlaybackState({
-    })
-    .then(function(data) {
-      // Output items
-      console.log("Now Playing: ",data.body);
-    }, function(err) {
-      console.log('Something went wrong!', err);
+  this.getCurrentSong = () => {
+    return new Promise((resolve, reject) => {
+      spotifyApi.getMyCurrentPlaybackState({}, (err, data) => {
+        if (err) {
+          reject(err);
+          return;
+        }
+
+        let state = data.body;
+        resolve({
+          artists: state.item.artists,
+          name: state.item.name,
+          album: state.item.album.name,
+          url: state.item.external_urls.spotify
+        });
+      });
     });
-  }
+  };
+
+  this.getCurrentPlaylist = () => {
+    return new Promise((resolve, reject) => {
+      spotifyApi.getMyCurrentPlaybackState({}, (err, data) => {
+        if (err) {
+          reject(err);
+          return;
+        }
+
+        let state = data.body;
+        if (state.context) {
+          resolve(state.context.external_urls.spotify);
+        } else {
+          resolve(state.item.album.external_urls.spotify);
+        }
+      });
+    });
+  };
+
+  this.skip = () => {
+    return spotifyApi.skipToNext();
+  };
+
+  this.pause = () => {
+    return spotifyApi.pause();
+  };
+
+  this.resume = () => {
+    return spotifyApi.play();
+  };
+
+  this.setVolume = (volume) => {
+    volume = parseInt(volume);
+    if (volume < 0) volume = 0;
+    if (volume > 100) volume = 100;
+    return spotifyApi.setVolume(volume);
+  };
 }
 
 module.exports = Spotify;