Provide an initial datapoint on rendering index

This patch adds a single data point when rendering the
initial stats for the index page.

aprsd/flask.py

@@ -43,7 +43,8 @@ class APRSDFlask(flask_classful.FlaskView):
 
     @auth.login_required
     def index(self):
-        return flask.render_template("index.html", message=self.stats())
+        stats = self._stats()
+        return flask.render_template("index.html", initial_stats=stats)
 
     @auth.login_required
     def messages(self):
@@ -69,7 +70,7 @@ class APRSDFlask(flask_classful.FlaskView):
         track.save()
         return json.dumps({"messages": "saved"})
 
-    def stats(self):
+    def _stats(self):
         stats_obj = stats.APRSDStats()
         track = messaging.MsgTrack()
         now = datetime.datetime.now()
@@ -84,7 +85,11 @@ class APRSDFlask(flask_classful.FlaskView):
             "memory_current": current,
             "memory_peak": peak,
         }
-        return json.dumps(result)
+
+        return result
+
+    def stats(self):
+        return json.dumps(self._stats())
 
 
 def init_flask(config):

aprsd/web/templates/index.html

@@ -12,6 +12,8 @@
 
     <script type="text/javascript"">
 
+        var initial_stats = {{ initial_stats|tojson|safe }};
+
         var memory_chart = null
         var message_chart = null
         var color = Chart.helpers.color;
@@ -166,6 +168,7 @@
 
 
         $(document).ready(function() {
+            console.log(initial_stats);
             start_update();
             start_charts();