* 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/forms.py

@@ -10,6 +10,7 @@ from django import forms
 from django.utils.translation import ugettext as _
 
 from . import models
+from events.models import Event
 
 USER_MODEL = get_user_model()
 
@@ -58,3 +59,8 @@ class HanchanAdminForm(HanchanForm):
         """ Extend the formfields to add the confirmed checkbox. """
         model = models.Hanchan
         fields = HanchanForm.Meta.fields + ('confirmed',)
+
+HanchanFormset = forms.inlineformset_factory(Event, models.Hanchan,
+                                             form=HanchanForm,
+                                             extra=1,
+                                             can_delete=True)

src/mahjong_ranking/templates/mahjong_ranking/eventhanchan_form.html

@@ -0,0 +1,69 @@
+{% extends "events/event_detail.html" %}{% load i18n humanize thumbnail %}
+
+{% block title %}Hanchans: {{ event.name }}{% endblock %}
+
+{% block maincontent %}<h2 class="grid_12">{% trans 'Edit Hanchans' %}</h2>
+
+<form method="post" action="">
+  {% csrf_token %}
+  {{ formset.management_form }}
+
+  {% for form in formset %}
+  <fieldset class="hanchan">
+    {% for hidden in form.hidden_fields %} {{ hidden }} {% endfor %}
+    <p>
+      <label for="id_{{ form.start.html_name }}_0" class="field_name {{ form.start.css_classes }}">{{ form.start.label }}:</label>
+      {{ form.start }}
+      {{ form.start.errors }}
+    </p>
+    <table>
+      <thead>
+      <tr>
+        <th>{{form.player1.label}}</th>
+        <th>{{form.player2.label}}</th>
+        <th>{{form.player3.label}}</th>
+        <th>{{form.player4.label}}</th>
+      </tr>
+      </thead>
+      <tr>
+        <td>{{ form.player1 }}</td>
+        <td>{{ form.player2 }}</td>
+        <td>{{ form.player3 }}</td>
+        <td>{{ form.player4 }}</td>
+      </tr>
+      <tr>
+        <td>{{ form.player1_input_score }}</td>
+        <td>{{ form.player2_input_score }}</td>
+        <td>{{ form.player3_input_score }}</td>
+        <td>{{ form.player4_input_score }}</td>
+      </tr>
+      <tr>
+        <td>{{ form.player1.errors }} {{ form.player1_input_score.errors }}</td>
+        <td>{{ form.player2.errors }} {{ form.player2_input_score.errors }}</td>
+        <td>{{ form.player3.errors }} {{ form.player3_input_score.errors }}</td>
+        <td>{{ form.player4.errors }} {{ form.player4_input_score.errors }}</td>
+      </tr>
+
+    </table>
+    <p><label for="id_{{ form.comment.html_name }}" class="field_name {{ form.comment.css_classes }}">{{ form.comment.label }}:</label>
+      {{ form.comment  }}
+      {{ form.comment.errors }}
+    </p>
+    <p>
+      <label for="id_{{ form.DELETE.html_name }}" class="field_name {{ form.DELETE.css_classes }}">{{ form.DELETE.label }}:</label>
+      {{ form.DELETE }} {{form.DELETE.help_text}}
+      {{ form.DELETE.errors }}
+    </p>
+    <p> {{ form.non_field_errors }}</p>
+  </fieldset>
+  {% endfor %}
+  {% if formset.errors %}<ul class="error">{{ formset.errors|unordered_list }} </ul> {% endif %}
+
+  <p class="buttonbar">
+    <a href="{% url 'event-hanchan-list' event.pk %}" class="button"><span class="fa fa-undo"></span> {% trans 'back' %}</a>
+    <button type="submit"><span class="fa fa-hdd-o"></span> {% trans 'save' %}</button>
+  </p>
+</form>
+{% endblock %}
+
+{% block comments %}{% endblock %}{% block buttonbar %}{% endblock %}

src/mahjong_ranking/urls.py

@@ -4,14 +4,15 @@ from django.conf.urls import url
 from django.views.generic import RedirectView
 
 from . import views
-
 urlpatterns = [  # Ignore PyLintBear (C0103)
     url(r'^$',
         RedirectView.as_view(url='/ranking/mahjong-ladder/', permanent=True)),
-    url(r'^event/(?P<event>[\d]+)/mahjong/$',
-        views.EventHanchanList.as_view(), name="event-hanchan-list"),
     url(r'^event/(?P<event>[\d]+)/add-hanchan/$',
         views.HanchanForm.as_view(), name="add-hanchan-form"),
+    url(r'^event/(?P<event>[\d]+)/edit/$',
+        views.EventHanchanForm.as_view(), name="event-hanchan-form"),
+    url(r'^event/(?P<event>[\d]+)/mahjong/$',
+        views.EventHanchanList.as_view(), name="event-hanchan-list"),
     url(r'^event/(?P<event>[\d]+)/mahjong-ranking/$',
         views.EventRankingList.as_view(), name="event-ranking"),
     url(r'^hanchan/(?P<hanchan>[\d]+)/edit/$',
@@ -32,6 +33,7 @@ urlpatterns = [  # Ignore PyLintBear (C0103)
         views.PlayerLadderScore.as_view(), name="player-ladder-score"),
     url(r'^mahjong/$', views.KyuDanRankingList.as_view(),
         name="kyudanranking-list"),
-    url(r'^mahjong/(?P<order_by>[\+\-\w]+)/$',
+    url(r'^mahjong/(?P<order_by>[\+\-][a-z_]+)/$',
         views.KyuDanRankingList.as_view(), name="kyudanranking-list"),
 ]
+

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):