ircbot: force lowercase IrcChannel channel name

dr_botzo/ircbot/migrations/0013_auto_20150917_2255.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import ircbot.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('ircbot', '0012_ircchannel_markov_learn_from_channel'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='ircchannel',
+            name='name',
+            field=ircbot.models.LowerCaseCharField(unique=True, max_length=200),
+        ),
+    ]

dr_botzo/ircbot/models.py

@@ -13,6 +13,14 @@ from django.utils import timezone
 log = logging.getLogger('ircbot.models')
 
 
+class LowerCaseCharField(models.CharField):
+    def get_prep_value(self, value):
+        value = super(LowerCaseCharField, self).get_prep_value(value)
+        if value is not None:
+            value = value.lower()
+        return value
+
+
 class Alias(models.Model):
 
     """Allow for aliasing of arbitrary regexes to normal supported commands."""
@@ -58,7 +66,7 @@ class IrcChannel(models.Model):
 
     """Track channel settings."""
 
-    name = models.CharField(max_length=200, unique=True)
+    name = LowerCaseCharField(max_length=200, unique=True)
     autojoin = models.BooleanField(default=False)
 
     topic_msg = models.TextField(default='', blank=True)