Track whether a subscription is the user's first in breadcrumbs.

r2/r2/lib/template_helpers.py

@@ -165,6 +165,7 @@ def js_config(extra_config=None):
         "new_window": bool(c.user.pref_newwindow),
         "vote_hash": c.vote_hash,
         "gold": gold,
+        "has_subscribed": logged and c.user.has_subscribed,
     }
 
     if extra_config:

r2/r2/public/static/js/analytics.js

@@ -131,7 +131,7 @@ r.analytics = {
         $el.data('trackerFired', true)
     },
 
-    fireUITrackingPixel: function(action, srname) {
+    fireUITrackingPixel: function(action, srname, extraParams) {
         var pixel = new Image()
         pixel.src = r.config.uitracker_url + '?' + $.param(
             _.extend(
@@ -140,7 +140,8 @@ r.analytics = {
                     'sr': srname,
                     'r': Math.round(Math.random() * 2147483647) // cachebuster
                 },
-                r.analytics.breadcrumbs.toParams()
+                r.analytics.breadcrumbs.toParams(),
+                extraParams
             )
         )
     },

r2/r2/public/static/js/reddit.js

@@ -299,7 +299,7 @@ function subscribe(reddit_name) {
             }
             $.things(reddit_name).find(".entry").addClass("likes");
             $.request("subscribe", {sr: reddit_name, action: "sub"});
-            r.analytics.fireUITrackingPixel("sub", reddit_name)
+            r.analytics.fireUITrackingPixel("sub", reddit_name, {"has_subd": r.config.has_subscribed})
         }
     };
 };