Added a stats page.

src/about/urls.py

@@ -1,8 +1,9 @@
 
 from django.conf.urls import patterns, url
 
-from .views import AboutView
+from .views import AboutView, StatsView
 
 urlpatterns = patterns('',
     url(r'^$', AboutView.as_view(), name='index'),
+    url(r'^stats/$', StatsView.as_view(), name='stats'),
 )

src/about/views.py

@@ -1,7 +1,11 @@
 
+from datetime import timedelta
+from django.utils import timezone
+
 from django.views import generic
 
 from .utils import load_readme
+from gameservers.models import Server, ServerHistory
 
 
 class AboutView(generic.TemplateView):
@@ -14,4 +18,46 @@ class AboutView(generic.TemplateView):
         context['about_md'] = self.readme_md
         return context
 
+class StatsView(generic.TemplateView):
+    template_name = 'about/stats.html'
+    delta_hour = timedelta(hours=1)
+    delta_day = timedelta(days=1)
+
+    def get_context_data(self, **kwargs):
+        context = super(StatsView, self).get_context_data(**kwargs)
+
+        now = timezone.now()
+        last_update = now - self.delta_day
+        total_players = 0
+        servers_total = 0
+        servers_with_players = 0
+        servers_online = 0
+        servers_warning = 0
+        servers_offline = 0
+
+        for server in Server.objects.all():
+            servers_total += 1
+            last_update = max(last_update, server.last_updated)
+
+            if server.players_current > 0:
+                total_players += server.players_current
+                servers_with_players += 1
+
+            delta = now - server.last_updated
+            if delta < self.delta_hour:
+                servers_online += 1
+            elif delta < self.delta_day:
+                servers_warning += 1
+            else:
+                servers_offline += 1
+
+        context['last_update'] = last_update
+        context['total_players'] = total_players
+        context['servers_with_players'] = servers_with_players
+        context['servers_total'] = servers_total
+        context['servers_online'] = servers_online
+        context['servers_warning'] = servers_warning
+        context['servers_offline'] = servers_offline
+
+        return context
 

src/templates/about/stats.html

@@ -0,0 +1,37 @@
+{% extends "base_site.html" %}
+
+{% block title %}
+    Stats
+{% endblock %}
+
+{% block content %}
+
+    <h1>Statistics</h1>
+    Database was last updated <span class="bold" title="{{last_update|date:'r'}} GMT">
+        {{last_update|timesince}}
+    </span> ago.
+
+    <h3>Players</h3>
+    <p>There are currently <span class="bold">
+        {{total_players}} players
+    </span> online, spread out on <span class="bold">
+        {{servers_with_players}} active servers.
+    </span></p>
+
+    <h3>Servers</h3>
+    <p>In total there are <span class="bold">
+        {{servers_total}} servers
+    </span> in the database.</p>
+
+    <p>Within the last hour, <span class="glyphicon glyphicon-ok-sign"></span><span class="bold status_online">
+        {{servers_online}} ({% widthratio servers_online servers_total 100 %}%) servers</span>
+    has been updated.</p>
+
+    <p><span class="glyphicon glyphicon-question-sign"></span><span class="bold status_unknown">
+        {{servers_warning}} ({% widthratio servers_warning servers_total 100 %}%) servers</span>
+    has not been updated for over an hour and are currently in an unknown state.</p>
+
+    <p>Lasty there are <span class="glyphicon glyphicon-remove-sign"></span><span class="bold status_offline">
+        {{servers_offline}} ({% widthratio servers_offline servers_total 100 %}%) servers</span>
+    that has not been updated for over a day and will be removed automatically after a week of inactivity.</p>
+{% endblock %}