Loop over offline servers and fill in "empty" history for them.

src/gameservers/management/commands/update_server_stats.py

@@ -3,6 +3,7 @@
 import re
 
 from django.core.management.base import BaseCommand
+from django.utils import timezone
 
 from gameservers.models import Server, ServerHistory
 
@@ -88,12 +89,23 @@ class ServerParser(object):
 class Command(BaseCommand):
     help = 'Update history stats for all ss13 servers.'
 
+    def _update_stats(self, server, players, time):
+        # Create a new record in the history
+        history = ServerHistory(server=server, players=players)
+
+        # Update "live stats"
+        server.update_stats(players, time=time)
+        server.save()
+
+        return history
+
     def handle(self, *args, **kwargs):
         parser = ServerParser()
         #parser.url = './dump.html' # Use a local file instead when testing
         servers = parser.run()
         servers_handled = []
         new_items = []
+        now = timezone.now()
 
         for data in servers:
             # Prevent empty servers with identical names to other, active servers
@@ -112,13 +124,13 @@ class Command(BaseCommand):
                 )
             )
 
-            # Create a new record in the history
+            tmp = self._update_stats(server, data['player_count'], now)
-            history = ServerHistory(server=server, players=data['player_count'])
+            new_items.append(tmp)
-            new_items.append(history)
 
-            # Update "live stats"
+        # Make sure to update servers not available on the page.
-            server.update_stats(data['player_count'])
+        for server in Server.objects.exclude(last_updated__exact=now):
-            server.save()
+            tmp = self._update_stats(server, 0, None)
+            new_items.append(tmp)
 
         ServerHistory.objects.bulk_create(new_items)
         Server.remove_old_servers()

src/gameservers/migrations/0013_auto_20150310_1944.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('gameservers', '0012_auto_20150309_1442'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='server',
+            name='last_updated',
+            field=models.DateTimeField(default=django.utils.timezone.now, editable=False),
+            preserve_default=True,
+        ),
+    ]

src/gameservers/models.py

@@ -22,7 +22,7 @@ class Server(models.Model):
     game_url = models.CharField(max_length=255)
     site_url = models.URLField(blank=True)
 
-    last_updated = models.DateTimeField(auto_now=True, default=timezone.now)
+    last_updated = models.DateTimeField(default=timezone.now, editable=False)
     players_current = models.PositiveIntegerField(default=0, editable=False)
     players_avg = models.PositiveIntegerField(default=0, editable=False)
     players_min = models.PositiveIntegerField(default=0, editable=False)
@@ -80,7 +80,11 @@ class Server(models.Model):
         weekdays.insert(len(weekdays), weekdays.pop(0))
         return weekdays
 
-    def update_stats(self, player_count=0):
+    def update_stats(self, player_count=0, time=None):
+        # TODO: default to setting current time
+        if time:
+            self.last_updated = time
+
         self.players_current = player_count
 
         tmp = self.measure_players(days=31)