topicmonitor: monitor when channel topic changes

comes with a migration to add topic tracking to IrcChannel

dr_botzo/ircbot/ircplugins/topicmonitor.py

@@ -0,0 +1,48 @@
+from __future__ import unicode_literals
+
+import logging
+
+from django.utils import timezone
+
+from ircbot.lib import Plugin
+from ircbot.models import IrcChannel
+
+
+log = logging.getLogger('ircbot.ircplugins.topicmonitor')
+
+
+class TopicMonitor(Plugin):
+
+    """Have IRC commands to do IRC things (join channels, quit, etc.)."""
+
+    def start(self):
+        """Set up the handlers."""
+
+        self.connection.reactor.add_global_handler('topic', handle_topic, -20)
+
+        super(TopicMonitor, self).start()
+
+    def stop(self):
+        """Tear down handlers."""
+
+        self.connection.reactor.remove_global_handler('topic', handle_topic)
+
+        super(TopicMonitor, self).stop()
+
+
+def handle_topic(connection, event):
+    """Store topic changes in the channel model."""
+
+    channel = event.target
+    topic = event.arguments[0]
+    setter = event.source
+    log.debug("topic change '%s' by %s in %s", topic, setter, channel)
+
+    channel, c = IrcChannel.objects.get_or_create(name=channel)
+    channel.topic_msg = topic
+    channel.topic_time = timezone.now()
+    channel.topic_by = setter
+    channel.save()
+
+
+plugin = TopicMonitor

dr_botzo/ircbot/migrations/0006_auto_20150515_2141.py

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('ircbot', '0005_auto_20150514_2317'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='ircchannel',
+            name='topic_by',
+            field=models.CharField(default=b'', max_length=200),
+        ),
+        migrations.AddField(
+            model_name='ircchannel',
+            name='topic_msg',
+            field=models.TextField(default=b''),
+        ),
+        migrations.AddField(
+            model_name='ircchannel',
+            name='topic_time',
+            field=models.DateTimeField(default=django.utils.timezone.now),
+        ),
+    ]

dr_botzo/ircbot/models.py

@@ -4,6 +4,7 @@ import logging
 import re
 
 from django.db import models
+from django.utils import timezone
 
 
 log = logging.getLogger('ircbot.models')
@@ -51,6 +52,10 @@ class IrcChannel(models.Model):
     name = models.CharField(max_length=200, unique=True)
     autojoin = models.BooleanField(default=False)
 
+    topic_msg = models.TextField(default='')
+    topic_time = models.DateTimeField(default=timezone.now)
+    topic_by = models.CharField(max_length=200, default='')
+
     def __unicode__(self):
         """String representation."""