GCal Mapping: Callback mechanism using channels

eventplanner/models.py

@@ -116,8 +116,6 @@ class Event ( models.Model ):
             return nextEvent
 
 
-before_read = Signal()
-
 
 class EventParticipation( models.Model ):
     OPTIONS = ( ('?'  , _('?'  )),
@@ -147,10 +145,6 @@ class EventParticipation( models.Model ):
         else:
             return True
 
-    @staticmethod
-    def raiseBeforeReadSignal():
-        before_read.send( sender=EventParticipation )
-
     @staticmethod
     def isMember( user ):
         return user.has_perm('eventplanner.member')

eventplanner/urls.py

@@ -6,13 +6,13 @@ from eventplanner.views import events_grid, eventplanning,event_api,EventUpdate,
 
 urlpatterns = patterns('',
     url(r'^$',                   eventplanning ),
-    url(r'^grid$',               events_grid ),
+    url(r'^grid$',               events_grid   ),
     url(r'^planning$',           eventplanning ),    
     url(r'^(?P<pk>\d+)$',        permission_required('eventplanner.change_event')( EventUpdate.as_view() ) ),
-    url(r'^add$',                permission_required('eventplanner.add_event')( EventCreate.as_view() ) ),
-    url(r'^(?P<pk>\d+)/delete$', permission_required('eventplanner.delete_event')( deleteEvent ) ),
-    url(r'^api/',                event_api, name="event_api" ),
-    url(r'^api/(\w+)/$',         event_api, name="event_api_per_user" ),
-    url(r'^api/(\w+)/(\d+)$',    event_api, name="event_api_per_user_event"),
+    url(r'^add$',                permission_required('eventplanner.add_event'   )( EventCreate.as_view() ) ),
+    url(r'^(?P<pk>\d+)/delete$', permission_required('eventplanner.delete_event')( deleteEvent           ) ),
+    url(r'^api/',                event_api, name="event_api"                ),
+    url(r'^api/(\w+)/$',         event_api, name="event_api_per_user"       ),
+    url(r'^api/(\w+)/(\d+)$',    event_api, name="event_api_per_user_event" ),
 )
 

eventplanner/views.py

@@ -61,7 +61,6 @@ def eventplanning( request ):
     """
         View for a specific user, to edit his events
     """
-    EventParticipation.raiseBeforeReadSignal()
     # non-members see the grid - but cannot edit anything
     if not EventParticipation.isMember( request.user ):
         return events_grid(request)
@@ -78,8 +77,6 @@ def eventplanning( request ):
     
 
 def events_grid( request ):
-    EventParticipation.raiseBeforeReadSignal()
-
     usernames = [ u.username for u in EventParticipation.members()  ]
     
     all_future_events = list ( Event.objects.filter( date__gte = datetime.date.today() ).order_by( 'date') )
@@ -135,7 +132,6 @@ class EventUpdate( UpdateView ):
 
 
 class EventCreate( CreateView ):
-    
     form_class = EventForm
     model = Event    
     template_name_suffix = "_update_form"