From 64e16e7ec1f9bfaaafd88e2c18c0db64adbf7880 Mon Sep 17 00:00:00 2001
From: Ian Gulliver <ian@isinglasstheater.org>
Date: Fri, 16 May 2014 19:03:33 +0300
Subject: [PATCH] Add a way to fetch our current profile ID.

---
 api.py                |  2 ++
 static/cosmopolite.js | 24 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/api.py b/api.py
index 52a5b6a..0f6e4a3 100644
--- a/api.py
+++ b/api.py
@@ -35,11 +35,13 @@ def CreateChannel(google_user, client, args):
   if google_user:
     events.append({
       'event_type':   'login',
+      'profile':      str(client.parent_key()),
       'google_user':  google_user.email(),
     })
   else:
     events.append({
       'event_type': 'logout',
+      'profile':      str(client.parent_key()),
     })
 
   return {
diff --git a/static/cosmopolite.js b/static/cosmopolite.js
index 0b811e5..1598229 100644
--- a/static/cosmopolite.js
+++ b/static/cosmopolite.js
@@ -56,6 +56,11 @@ Cosmopolite = function(callbacks, urlPrefix, namespace) {
   }, this);
 };
 
+/**
+ * Shutdown this instance.
+ *
+ * No callbacks will fire after this returns.
+ */
 Cosmopolite.prototype.shutdown = function() {
   console.log(this.loggingPrefix_(), 'shutdown');
   this.shutdown_ = true;
@@ -164,6 +169,22 @@ Cosmopolite.prototype.getKeyMessage = function(subject, key) {
   return this.subscriptions_[subject].keys[key];
 };
 
+/**
+ * Return our current profile ID, if known.
+ *
+ * @return {?string} Profile ID.
+ * @const
+ */
+Cosmopolite.prototype.profile = function() {
+  return this.profile_ || null;
+};
+
+/**
+ * Generate a string identifying us to be included in log messages.
+ *
+ * @return {string} Log line prefix.
+ * @const
+ */
 Cosmopolite.prototype.loggingPrefix_ = function() {
   return 'cosmopolite (' + this.namespace_ + '):';
 };
@@ -417,6 +438,9 @@ Cosmopolite.prototype.onServerEvent_ = function(e) {
   if (this.shutdown_) {
     return;
   }
+  if (e['profile']) {
+    this.profile_ = e['profile'];
+  }
   switch (e['event_type']) {
     case 'login':
       if ('onLogin' in this.callbacks_) {