Attempt to remove servers without updates, after a week.

src/gameservers/management/commands/update_population.py

@@ -4,6 +4,7 @@ import re
 import time
 
 from django.core.management.base import BaseCommand
+from django.utils import timezone
 
 from gameservers.models import Server, PlayerHistory
 
@@ -93,7 +94,7 @@ class Command(BaseCommand):
         #parser.url = './dump.html' # Use a local file instead when testing
         servers = parser.run()
         history = PlayerHistory()
-        now = time.time()
+        now = time.mktime(timezone.now().timetuple())
         servers_handled = []
 
         for data in servers:
@@ -118,3 +119,5 @@ class Command(BaseCommand):
             history.add_point(server, now, data['player_count'])
             history.trim_points(server)
 
+        Server.remove_old_servers()
+

src/gameservers/migrations/0009_server_last_updated.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', '0008_auto_20150223_1713'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='server',
+            name='last_updated',
+            field=models.DateTimeField(default=django.utils.timezone.now, auto_now=True),
+            preserve_default=True,
+        ),
+    ]

src/gameservers/models.py

@@ -2,6 +2,7 @@
 import datetime
 
 from django.db import models
+from django.utils import timezone
 
 import redis
 
@@ -11,6 +12,7 @@ class Server(models.Model):
     game_url = models.URLField()
     site_url = models.URLField(blank=True)
     current_players = models.PositiveIntegerField(default=0, editable=False)
+    last_updated = models.DateTimeField(auto_now=True, default=timezone.now)
 
     class Meta:
         ordering = ['-current_players', 'title']
@@ -18,6 +20,15 @@ class Server(models.Model):
     def __str__(self):
         return self.title
 
+    @staticmethod
+    def remove_old_servers():
+        now = timezone.now()
+
+        for server in Server.objects.all():
+            delta = now - server.last_updated
+            if delta.days >= 7:
+                del server
+
 
 class PlayerHistory(object):
     def __init__(self, redis_settings=dict(host='localhost', port=6379, db=0)):