Removed the redis stuff and replaced with new django model.

--HG--
branch : history_model

requirements.txt

@@ -3,6 +3,5 @@ django
 django-debug-toolbar
 requests
 beautifulsoup4
-redis
 gunicorn
 fabric

src/gameservers/migrations/0011_serverhistory.py

@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('gameservers', '0010_auto_20150223_1927'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ServerHistory',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('created', models.DateTimeField(default=django.utils.timezone.now)),
+                ('players', models.PositiveIntegerField(default=0)),
+                ('server', models.ForeignKey(to='gameservers.Server')),
+            ],
+            options={
+                'ordering': ['-created', 'server'],
+            },
+            bases=(models.Model,),
+        ),
+    ]

src/gameservers/models.py

@@ -2,8 +2,6 @@
 from django.db import models
 from django.utils import timezone
 
-import redis
-
 
 class Server(models.Model):
     title = models.CharField(max_length=255)
@@ -28,32 +26,14 @@ class Server(models.Model):
                 server.delete()
 
 
-class PlayerHistory(object):
-    def __init__(self, redis_settings=dict(host='localhost', port=6379, db=0)):
-        self.redis = redis.StrictRedis(**redis_settings)
+class ServerHistory(models.Model):
+    server = models.ForeignKey(Server)
+    created = models.DateTimeField(default=timezone.now)
+    players = models.PositiveIntegerField(default=0)
 
-        # 32256 = 4 times per hour * 24 hours * 7 days * 4 weeks * 12 months
-        self.max_items = 32256
+    class Meta:
+        ordering = ['-created', 'server']
 
-    def add_point(self, server, time, players):
-        '''Add a new point in the player history.'''
-        self.redis.lpush(server, '{},{}'.format(time, players))
-
-    def trim_points(self, server):
-        '''Trim away too old points and servers in the player history.'''
-        self.redis.ltrim(server, 0, self.max_items)
-        # let the list expire after a week without updates
-        self.redis.expire(server, 604800)
-
-    def get_history(self, server, days=7):
-        '''Get a range of days in a server's player history.'''
-        # 96 = 4 times per hour * 24 hours
-        max_items = days * 96
-
-        items = []
-        for tmp in self.redis.lrange(server, 0, max_items):
-            time, players = tmp.split(',')
-            time, players = float(time), int(players)
-            items.append((time, players))
-        return items
+    def __str__(self):
+        return 'History for {} at {}.'.format(self.server, self.created)