Add action for the BBC Sounds service

Author: tomslominski

lib/actions/bbcSounds.js

@@ -0,0 +1,38 @@
+'use strict';
+
+function getMetadata(station) {
+  return `<DIDL-Lite xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/" xmlns:r="urn:schemas-rinconnetworks-com:metadata-1-0/" xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/">
+        <item id="83207${station}" parentID="L" restricted="true"><dc:title>BBC Sounds</dc:title><upnp:class>object.item.audioItem.audioBroadcast</upnp:class>
+        <desc id="cdudn" nameSpace="urn:schemas-rinconnetworks-com:metadata-1-0/">SA_RINCON83207_</desc></item></DIDL-Lite>`;
+}
+
+function getUri(station) {
+  return `x-sonosapi-hls:stations%7eplayable%7e%7e${station}%7e%7eurn%3abbc%3aradio%3anetwork%3a${station}?sid=325&flags=288&sn=10`;
+}
+
+/**
+ * @link https://gist.github.com/bpsib/67089b959e4fa898af69fea59ad74bc3 Stream names can be found here
+ */
+function bbcSounds(player, values) {
+  const action = values[0];
+  const station = encodeURIComponent(values[1]);
+
+  if (!station) {
+    return Promise.reject('Expected BBC Sounds station name.');
+  }
+
+  const metadata = getMetadata(station);
+  const uri = getUri(station);
+
+  if (action === 'play') {
+    return player.coordinator.setAVTransport(uri, metadata).then(() => player.coordinator.play());
+  } else if (action === 'set') {
+    return player.coordinator.setAVTransport(uri, metadata);
+  }
+
+  return Promise.reject('BBC Sounds only handles the {play} & {set} actions.');
+}
+
+module.exports = function (api) {
+  api.registerAction('bbcsounds', bbcSounds);
+}