Last store timestamps

templates/dashboard/overview.html

@@ -2,11 +2,12 @@
 
 {% block content %}
 <div class="panel-group">
-{% for index, instanceId, state, positions in robot_states %}
+{% for index, instanceId, state, positions, last_store in robot_states %}
     <div class="panel panel-default">
         <div class="panel-heading" id="heading-{{instanceId}}">
             <a role="button" data-toggle="collapse" href="#collapse-{{index}}">
             {{ instanceId }}
+            {% if last_store %}<div class="pull-right"><span class="badge">{{ last_store }}</span></div>{% endif %}
             </a>
         </div>
         <div id="collapse-{{index}}" class="panel-collapse collapse">

views.py

@@ -8,6 +8,7 @@ from django.contrib import messages
 from .models import RobotInstance
 import redis
 import json
+import datetime
 
 def overview(request):
     r = redis.StrictRedis(unix_socket_path='/var/run/redis/redis')
@@ -20,13 +21,17 @@ def overview(request):
             state = json.loads(str(raw_state, 'utf-8'))
             try:
                 positions = state['positions']
+                del state['positions']
             except KeyError:
                 positions = dict()
-            del state['positions']
         else:
             state = dict()
+
+        last_store = r.get(robot.instanceId + ":last_store")
+        if last_store is not None:
+            last_store = datetime.datetime.utcfromtimestamp(float(last_store))
         index += 1
-        robot_states.append((index, robot.instanceId, json.dumps(state, sort_keys=True, indent=2, separators=(',', ': ')), positions))
+        robot_states.append((index, robot.instanceId, json.dumps(state, sort_keys=True, indent=2, separators=(',', ': ')), positions, last_store))
 
     template = loader.get_template('dashboard/overview.html')
     context = {