ADD: added support for Event Updated Mail.

dav_events/emails.py

@@ -21,7 +21,7 @@ class AbstractMail(object):
         app_config = apps.get_containing_app_config(__package__)
         if app_config.settings.email_subject_prefix:
             s = u'%s %s' % (app_config.settings.email_subject_prefix, s)
-        s.format(**kwargs)
+        s = s.format(**kwargs)
         return s
 
     def _get_template(self):
@@ -64,6 +64,12 @@ class AbstractEventMail(AbstractMail):
         self._recipient = recipient
         self._event = event
 
+    def _get_subject(self, **kwargs):
+        if 'number' not in kwargs:
+            kwargs['number'] = self._event.get_number()
+        s = super(AbstractEventMail, self)._get_subject(**kwargs)
+        return s
+
     def _get_recipients(self):
         r = u'"{fullname}" <{email}>'.format(fullname=self._recipient.get_full_name(),
                                              email=self._recipient.email)
@@ -76,6 +82,22 @@ class AbstractEventMail(AbstractMail):
         return context
 
 
+class EventUpdatedMail(AbstractEventMail):
+    _subject = u'{number}: Veranstaltung geändert'
+    _template_name = 'dav_events/emails/event_updated.txt'
+
+    def __init__(self, diff=None, editor=None, *args, **kwargs):
+        self._diff = diff
+        self._editor = editor
+        super(EventUpdatedMail, self).__init__(*args, **kwargs)
+
+    def _get_context_data(self, extra_context=None):
+        context = super(EventUpdatedMail, self)._get_context_data(extra_context=extra_context)
+        context['diff'] = self._diff
+        context['editor'] = self._editor.get_full_name()
+        return context
+
+
 class EventSubmittedMail(AbstractEventMail):
     _template_name = 'dav_events/emails/event_submitted.txt'