Add initial support for Google Analytics

server/app/serve_index.go

@@ -33,6 +33,7 @@ func ServeIndex(ds model.DataStore, fs http.FileSystem) http.HandlerFunc {
 			"loginBackgroundURL":      policy.Sanitize(conf.Server.UILoginBackgroundURL),
 			"welcomeMessage":          policy.Sanitize(conf.Server.UIWelcomeMessage),
 			"enableTranscodingConfig": conf.Server.EnableTranscodingConfig,
+			"gaTrackingId":            conf.Server.GATrackingID,
 		}
 		j, err := json.Marshal(appConfig)
 		if err != nil {

server/app/serve_index_test.go

@@ -103,6 +103,17 @@ var _ = Describe("ServeIndex", func() {
 		Expect(config).To(HaveKeyWithValue("enableTranscodingConfig", true))
 	})
 
+	It("sets the gaTrackingId", func() {
+		conf.Server.GATrackingID = "UA-12345"
+		r := httptest.NewRequest("GET", "/index.html", nil)
+		w := httptest.NewRecorder()
+
+		ServeIndex(ds, fs)(w, r)
+
+		config := extractAppConfig(w.Body.String())
+		Expect(config).To(HaveKeyWithValue("gaTrackingId", "UA-12345"))
+	})
+
 	It("sets the version", func() {
 		r := httptest.NewRequest("GET", "/index.html", nil)
 		w := httptest.NewRecorder()