add a latest method to query the latest x events

src/events/managers.py

@@ -31,6 +31,10 @@ class EventManager(models.Manager):
         """Returns all past events."""
         return self.filter(start__lt=now())
 
+    def latest(self, limit=None):
+        result = self.filter(start__lt=now()).order_by('-start', '-end')
+        return result[0:limit] if limit else result
+
     def upcoming(self, limit=None):
         """Returns the next 'limit' upcoming events.
 

src/events/mixins.py

@@ -1,4 +1,6 @@
 """Mixins for Events."""
+from django.http import Http404
+
 from . import models
 
 
@@ -9,7 +11,6 @@ class EventArchiveMixin(object):
     date_field = 'start'
     make_object_list = True
     model = models.Event
-    ordering = ('start', 'end')
     paginate_by = 15
     template_name = 'events/event_archive.html'
 
@@ -40,3 +41,16 @@ class EventDetailMixin(object):
         elif hasattr(self, 'object') and hasattr(self.object, 'event'):
             context['event'] = self.object.event
         return context
+
+    def get_queryset(self):
+        """set event attribute from the URL kwarg event and
+        load all related objects from the set model.
+
+        :return: a django QuerySets
+        """
+        try:
+            self.event = models.Event.objects.get(pk=self.kwargs['event'])
+            queryset = self.model.objects.filter(event=self.event)
+        except models.Event.DoesNotExist:
+            raise Http404(_('Event does not exist'))
+        return queryset.prefetch_related()

src/events/views.py

@@ -30,7 +30,6 @@ class DeleteEventPhoto(PermissionRequiredMixin, mixins.EventDetailMixin,
 class EventArchiveIndex(mixins.EventArchiveMixin, generic.ArchiveIndexView):
     """Index of the event archive, displays the upcoming events first."""
     allow_empty = True
-    ordering = ('-start', '-end')
 
 
 class EventArchiveMonth(mixins.EventArchiveMixin, generic.MonthArchiveView):
@@ -73,7 +72,7 @@ class EventForm(PermissionRequiredMixin, mixins.EventDetailMixin,
             if self.kwargs.get('pk') else models.Event()
 
 
-class EventGallery(mixins.EventDetailMixin, generic.ListView):
+class EventGallery(generic.ListView):
     """Display a overview of all event photo albums."""
     template_name = 'events/photo_gallery.html'
     queryset = models.Event.objects.filter(