Major refactor of service libs, more tests

lib/services/google/url.js

@@ -0,0 +1,30 @@
+"use strict";
+var parse = require('url').parse;
+
+module.exports.match = function(url) {
+  var parsed = parse(url.replace(/\+/g, "%20"));
+  if (!parsed.host.match(/play\.google\.com$/)) {
+    return false;
+  }
+
+  var path = parsed.path;
+  var hash = parsed.hash;
+
+  if (hash) {
+    var parts = hash.split("/");
+    var id = parts[2];
+    var artist = parts[3];
+
+    if (id.length > 0) {
+      return true;
+    } else if (artist.length > 0) {
+      return true;
+    }
+  } else if(path) {
+    var matches = path.match(/\/music\/m\/([\w]+)/);
+    if (matches[1]) {
+      return true
+    }
+  }
+  return false
+};