improve usability with redirect/links

submit -> next part
on finished -> link to start page

stories/writingtogether/templates/writingtogether/finished.html

@@ -16,5 +16,8 @@
     <br>
 {% endfor %}
 
+
+<a href="{%  url 'writing:index' %}">Zurück</a>
+
 </body>
 </html>

stories/writingtogether/views.py

@@ -61,7 +61,12 @@ class StoryPartUpdate(LoginRequiredMixin, UpdateView):
     model = StoryPart
     fields = ['text']
     template_name = 'writingtogether/story_part.html'
-    success_url = reverse_lazy('writing:index')
+
+    def get_success_url(self):
+        return reverse(
+            'writing:redirect_story_part',
+            kwargs={'story_round_pk': self.object.part_of.part_of_round.pk}
+        )
 
     def get_context_data(self, **kwargs):
         context = super(StoryPartUpdate, self).get_context_data(**kwargs)