Add youtube to results, persist to mongo

lib/services/youtube.js

@@ -0,0 +1,50 @@
+"use strict";
+var parse = require('url').parse;
+var request = require('superagent');
+var Q = require('q');
+
+module.exports.id = "youtube";
+
+if (!process.env.YOUTUBE_KEY) {
+  console.warn("YOUTUBE_KEY environment variable not found, deactivating Youtube.");
+  return;
+}
+
+var credentials = {
+  key: process.env.YOUTUBE_KEY,
+};
+
+var apiRoot = "https://www.googleapis.com/youtube/v3";
+
+module.exports.match = function(url, type) {
+  return false;
+};
+
+module.exports.search = function(data) {
+  var deferred = Q.defer();
+  var query, album;
+  var type = data.type;
+
+  if (type == "album") {
+    query = data.artist.name + " " + data.name;
+    album = data.name;
+  } else if (type == "track") {
+    query = data.artist.name + " " + data.album.name + " " + data.name;
+    album = data.album.name
+  }
+
+  var path = "/search?part=snippet&q=" + encodeURIComponent(query) + "&type=video&videoCaption=any&key=" + credentials.key;
+  request.get(apiRoot + path, function(res) {
+    var result = res.body.items[0];
+    deferred.resolve({
+      service: "youtube",
+      type: "video",
+      id: result.id.videoId,
+      name: result.snippet.title,
+      streamUrl: "https://www.youtube.com/watch?v=" + result.id.videoId,
+      purchaseUrl: null,
+      artwork: result.snippet.thumbnails.medium.url,
+    });
+  });
+  return deferred.promise;
+};