Show selected add-ons in questions step

src/pretix/presale/checkoutflow.py

@@ -348,7 +348,7 @@ class QuestionsStep(QuestionsViewMixin, CartMixin, TemplateFlowStep):
             messages.warning(request, _('Please enter your name.'))
             return False
 
-        for cp in self.positions:
+        for cp in self._positions_for_questions:
             answ = {
                 aw.question_id: aw.answer for aw in cp.answers.all()
             }

src/pretix/presale/templates/pretixpresale/event/checkout_questions.html

@@ -72,6 +72,20 @@
                     <div id="cp{{ pos.id }}"
                             class="panel-collapse collapse in">
                         <div class="panel-body" data-idx="{{ forloop.counter0 }}">
+                            {% if pos.addons.all %}
+                                <div class="form-group">
+                                    <label class="col-md-3 control-label">
+                                        {% trans "Selected add-ons" %}
+                                    </label>
+                                    <div class="col-md-9 form-control-text">
+                                        <ul class="addon-list">
+                                            {% for a in pos.addons.all %}
+                                                <li>{{ a.item.name }}{% if a.variation %} – {{ a.variation.value }}{% endif %}</li>
+                                            {% endfor %}
+                                        </ul>
+                                    </div>
+                                </div>
+                            {% endif %}
                             {% for form in forms %}
                                 {% if form.pos.item != pos.item %}
                                     {# Add-Ons #}

src/pretix/presale/views/questions.py

@@ -22,8 +22,12 @@ class QuestionsViewMixin:
         addon_penalty = 1 if pos.addon_to else 0
         return i, addon_penalty, pos.pk
 
+    @cached_property
     def _positions_for_questions(self):
-        return sorted(get_cart(self.request), key=self._keyfunc)
+        cart = get_cart(self.request).select_related(
+            'addon_to'
+        ).prefetch_related('addons', 'addons__item', 'addons__variation')
+        return sorted(list(cart), key=self._keyfunc)
 
     @cached_property
     def forms(self):
@@ -33,7 +37,7 @@ class QuestionsViewMixin:
         submitted at once.
         """
         formlist = []
-        for cr in self._positions_for_questions():
+        for cr in self._positions_for_questions:
             cartpos = cr if isinstance(cr, CartPosition) else None
             orderpos = cr if isinstance(cr, OrderPosition) else None
             form = QuestionsForm(event=self.request.event,

src/pretix/static/pretixpresale/scss/_forms.scss

@@ -40,5 +40,12 @@
 }
 .form-group.required .control-label:after {
   content: '*';
-  color: $brand-primary
+  color: $brand-primary;
 }
+.form-control-text {
+  padding-top: 7px;
+}
+.addon-list {
+  padding: 0;
+  list-style-type: none;
+}