Added search capabilities to the voucher list

src/pretix/control/templates/pretixcontrol/vouchers/index.html

@@ -25,6 +25,11 @@
             <a href="{% url "control:event.vouchers.add" organizer=request.event.organizer.slug event=request.event.slug %}"
                     class="btn btn-default"><i class="fa fa-plus"></i> {% trans "Create a new voucher" %}</a>
         </p>
+        <form class="form-inline helper-display-inline" action="" method="get">
+            <input type="text" name="search" class="form-control" placeholder="{% trans "Search voucher" %}"
+                    value="{{ request.GET.search }}">
+            <button class="btn btn-primary" type="submit">{% trans "Filter" %}</button>
+        </form>
         <div class="table-responsive">
             <table class="table table-hover table-quotas">
                 <thead>

src/pretix/control/views/vouchers.py

@@ -18,7 +18,12 @@ class VoucherList(EventPermissionRequiredMixin, ListView):
     permission = 'can_change_vouchers'
 
     def get_queryset(self):
-        return self.request.event.vouchers.all().select_related('item')
+        qs = self.request.event.vouchers.all().select_related('item')
+        if self.request.GET.get("search", "") != "":
+            s = self.request.GET.get("search", "")
+            qs = qs.filter(code__contains=s)
+        return qs
+
 
 
 class VoucherDelete(EventPermissionRequiredMixin, DeleteView):