add set player position api

Author: josephdadams

api.js

@@ -67,6 +67,20 @@ function rampVolume(volume) {
 	});
 }
 
+function setPlayerPosition(seconds) {
+	let positionScript = `tell application "Spotify"
+		set currentPosition to get player position
+		set desiredPosition to (currentPosition + ${seconds})
+		set player position to desiredPosition
+	end tell`;
+
+	STATUS.playbackInfo.playerState = `Moving Player Position ${seconds} seconds`;
+
+	return osascript(positionScript).then(function(response) {
+		return response;
+	});
+}
+
 module.exports = {
 	start: function(port) {
 		//starts the REST API
@@ -165,6 +179,21 @@ module.exports = {
 			}
 		});
 
+		server.get('/playerPosition/:seconds', function (req, res) {
+			if (config.get('allowControl')) {
+				try {
+					setPlayerPosition(req.params.seconds);
+					res.send({status: 'player-position-changed'});
+				}
+				catch(error) {
+					res.send({error: error});
+				}
+			}
+			else {
+				res.send({status: 'not-allowed'});
+			}
+		});
+
 		server.get('/next', function (req, res) {
 			if (config.get('allowControl')) {
 				try {
@@ -437,6 +466,20 @@ module.exports = {
 				}
 			});
 
+			socket.on('playerPosition', function (seconds) {
+				if (config.get('allowControl')) {
+					try {
+						setPlayerPosition(seconds);
+					}
+					catch(error) {
+						socket.emit('error', error);
+					}
+				}
+				else {
+					socket.emit('control_status', false);
+				}
+			});	
+
 			socket.on('playtrack', function (track) {
 				if (config.get('allowControl')) {
 					try {

api.md

@@ -83,6 +83,13 @@ All requests are HTTP GET.
 	{status: 'play-pause-toggled'}
 	```
 
+* `/playerPosition/[seconds]`:
+
+	Moves the player position of the currently playing track forward or backward, in seconds.
+	```javascript
+	{status: 'player-position-changed'}
+	```
+
 * `/next`:
 
 	Goes to next track.
@@ -261,6 +268,10 @@ Upon connection, the server will emit the `control_status` event to let the clie
 
 	Toggles playback between play/pause.
 
+* `playerPosition`:
+
+	Moves the player position of the currently playing track forward or backward based on the first argument, in seconds.
+
 * `next`:
 
 	Goes to next track.

package.json

@@ -1,7 +1,7 @@
 {
 	"name": "spotify-controller",
 	"productName": "Spotify Controller",
-	"version": "0.1.8",
+	"version": "0.1.9",
 	"description": "Control Spotify on MacOS over the network",
 	"license": "MIT",
 	"repository": "josephdadams/spotify-controller",

util.js

@@ -32,7 +32,6 @@ module.exports = {
 				switch(event) {
 					case 'com.spotify.client.PlaybackStateChanged':
 						STATUS.playbackInfo = _.mapKeys(info, (v, k) => _.camelCase(k));
-						console.log(STATUS);
 						API.sendUpdates();
 						showNotification();
 						break;