update accounting dialog

billard/views.py

@@ -41,6 +41,16 @@ class AccountingView(generic.ListView):
     def get_queryset(self):
         return Accounting.objects.filter(billed=False).exclude(time_to__isnull=True)
 
+    def dispatch(self, request, *args, **kwargs):
+        result = super(AccountingView, self).dispatch(request, *args, **kwargs)
+        acc_sum = self.get_queryset().aggregate(Sum('prize'))
+        if acc_sum['prize__sum'] is None:
+            result.context_data['acc_sum'] = 0
+        else:
+            result.context_data['acc_sum'] = acc_sum['prize__sum']
+        result.context_data['acc_ids'] = [acc.id for acc in self.get_queryset().all()]
+        return result
+
 
 # TODO OLD CODE, CLEAN UP