* Throw 404 instead of a 503 in Event Mixins if the related event does

not exist.
* Changes in the KyuDanRanking View to be more stable if we get bogus
kwargs.

src/mahjong_ranking/views.py

@@ -16,6 +16,7 @@ from kasu import xlsx
 from . import forms, models
 from .mixins import MahjongMixin
 
+DEFAULT_KYU_DAN_ORDER = '-score'
 KYU_DAN_ORDER = {  # map sort URL args to Django ORM order_by args
     '+full_name': ('user__last_name', 'user__first_name'),
     '-full_name': ('-user__last_name', '-user__first_name'),
@@ -107,6 +108,47 @@ class HanchanForm(SuccessMessageMixin, EventDetailMixin,
                 'one.') % self.object
 
 
+class EventHanchanForm(EventDetailMixin, PermissionRequiredMixin,
+                       generic.TemplateView):
+    """Display a Formset to add and Edit Hanchans of the specific Event."""
+    permission_required = 'mahjong_ranking.edit_hanchan'
+    template_name = 'mahjong_ranking/eventhanchan_form.html'
+    model=models.Hanchan
+
+    def get_context_data(self, **kwargs):
+        self.event = models.Event.objects.get(pk=self.kwargs['event'])
+        context = super(EventHanchanForm, self).get_context_data()
+        context['formset'] = self.formset
+        return context
+
+    def get(self, request, *args, **kwargs):
+        self.get_queryset()
+        self.formset = forms.HanchanFormset(
+            instance=self.event,
+            initial=[{'start': self.event.start}]
+        )
+        context = self.get_context_data(**kwargs)
+        return self.render_to_response(context)
+
+    def post(self, request, *args, **kwargs):
+        print("ICH WURDE GEPOSTET!!!!")
+        self.get_queryset()
+        self.formset = forms.HanchanFormset(
+            self.request.POST,
+            self.request.FILES,
+            instance=self.event,
+            initial=[{'start': self.event.start}]
+        )
+        if self.formset.is_valid():
+            self.formset.save()
+            return django.http.HttpResponseRedirect(
+                reverse('event-hanchan-form', kwargs={'event': self.event.pk})
+            )
+        context = self.get_context_data(**kwargs)
+        return self.render_to_response(context)
+
+
+
 class EventHanchanList(EventDetailMixin, generic.ListView):
     "List all hanchans played on a given event."
     model = models.Hanchan
@@ -120,15 +162,15 @@ class EventRankingList(EventDetailMixin, generic.ListView):
 
 class KyuDanRankingList(MahjongMixin, generic.ListView):
     """List all Players with an Kyu or Dan score. """
-    default_order = '-score'
-    order_by = ''
+    order_by = None
     paginate_by = 25
 
     def dispatch(self, request, *args, **kwargs):
         """Set the order_by settings, revert to default_order if necessary."""
-        self.order_by = KYU_DAN_ORDER[
-            kwargs.get('order_by', self.default_order)
-        ]
+        if kwargs.get('order_by') in KYU_DAN_ORDER.keys():
+            self.order_by = KYU_DAN_ORDER[kwargs.get('order_by')]
+        else:
+            self.order_by = KYU_DAN_ORDER[DEFAULT_KYU_DAN_ORDER]
         return super(KyuDanRankingList, self).dispatch(request, *args, **kwargs)
 
     def get_queryset(self):