UPD: dav_events: refactored the location of the signal handlers to

reduce the number of class methods on the workflow class.

dav_events/signals.py

@@ -3,3 +3,16 @@ from django.dispatch import Signal
 event_created = Signal(providing_args=['event'])
 event_updated = Signal(providing_args=['event', 'diff', 'user'])
 event_status_updated = Signal(providing_args=['event', 'flag'])
+
+
+def send_emails_on_event_update(sender, **kwargs):
+    event = kwargs.get('event')
+    diff = kwargs.get('diff')
+    updater = kwargs.get('user')
+    event.workflow.send_emails_on_update(diff, updater)
+
+
+def send_emails_on_event_status_update(sender, **kwargs):
+    event = kwargs.get('event')
+    flag = kwargs.get('flag')
+    event.workflow.send_emails_on_status_update(flag)