From 2885ef9d5c4ce1c9c9ea66495840c57aa4cdeb63 Mon Sep 17 00:00:00 2001
From: Xeniac <xeniac@posteo.at>
Date: Tue, 22 Sep 2020 19:35:09 +0200
Subject: [PATCH] fixed get_context_data() would never pull event from an
 Hanchan Model.

---
 src/events/mixins.py | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/src/events/mixins.py b/src/events/mixins.py
index 814c91e..8a1f838 100644
--- a/src/events/mixins.py
+++ b/src/events/mixins.py
@@ -37,14 +37,14 @@ class EventDetailMixin(object):
 
         :return: TemplateContext object"""
         context = super(EventDetailMixin, self).get_context_data(**kwargs)
-        if hasattr(self, 'event'):
+        if getattr(self, 'event'):
             context['event'] = self.event
-        elif hasattr(self, 'object') and isinstance(self.object, models.Event):
+        elif isinstance(getattr(self, 'object'), models.Event):
             context['event'] = self.object
-        elif hasattr(self, 'object') and hasattr(self.object, 'event'):
+        elif getattr(getattr(self, 'object'), 'event'):
             context['event'] = self.object.event
         else:
-            print("No Event in Context!")
+            raise ImproperlyConfigured("No Event in Context!")
         return context
 
     def get_queryset(self):
@@ -55,11 +55,21 @@ class EventDetailMixin(object):
         """
         if self.model == models.Event:
             self.event = get_object_or_404(models.Event, pk=self.kwargs['pk'])
-            queryset = self.model.objects.all()
-        else:
-            self.event = get_object_or_404(models.Event,
-                                           pk=self.kwargs['event'])
+            queryset = self.model._default_manager.all()
+        elif self.kwargs.get('event'):
+            self.event = get_object_or_404(
+                models.Event,
+                pk=self.kwargs['event'])
             queryset = self.model.objects.filter(event=self.event)
+        elif self.model:
+            queryset = self.model._default_manager.all()
+        else:
+            raise ImproperlyConfigured(
+                "%(cls)s is missing a QuerySet. Define "
+                "%(cls)s.model, %(cls)s.queryset, or override "
+                "%(cls)s.get_queryset()." % {
+                    'cls': self.__class__.__name__
+                })
         return queryset.prefetch_related()