Order changing permissions, list of ordered items

src/pretix/control/views/orders.py

@@ -1,15 +1,76 @@
-from django.views.generic import ListView
+from itertools import groupby
+from django.db.models import Q
+from django.views.generic import ListView, DetailView
 
 from pretix.base.models import Order
+from pretix.control.permissions import EventPermissionRequiredMixin
 
 
-class OrderList(ListView):
+class OrderList(EventPermissionRequiredMixin, ListView):
     model = Order
     context_object_name = 'orders'
     template_name = 'pretixcontrol/orders/index.html'
     paginate_by = 30
+    permission = 'can_view_orders'
 
     def get_queryset(self):
         return Order.objects.current.filter(
             event=self.request.event
         ).select_related("user")
+
+
+class OrderDetail(EventPermissionRequiredMixin, DetailView):
+    model = Order
+    context_object_name = 'order'
+    template_name = 'pretixcontrol/order/index.html'
+    permission = 'can_view_orders'
+
+    def get_object(self, queryset=None):
+        return Order.objects.current.get(
+            event=self.request.event,
+            code=self.kwargs['code'].upper()
+        )
+
+    def get_context_data(self, **kwargs):
+        ctx = super().get_context_data(**kwargs)
+        ctx['items'] = self.get_items()
+        ctx['event'] = self.request.event
+        return ctx
+
+    def get_items(self):
+        queryset = self.object.positions.all()
+
+        cartpos = queryset.order_by(
+            'item', 'variation'
+        ).select_related(
+            'item', 'variation'
+        ).prefetch_related(
+            'variation__values', 'variation__values__prop', 'item__questions',
+            'answers'
+        )
+
+        # Group items of the same variation
+        # We do this by list manipulations instead of a GROUP BY query, as
+        # Django is unable to join related models in a .values() query
+        def keyfunc(pos):
+            if ((pos.item.admission and self.request.event.settings.attendee_names_asked == 'True')
+                    or pos.item.questions.all()):
+                return pos.id, "", "", ""
+            return "", pos.item_id, pos.variation_id, pos.price
+
+        positions = []
+        for k, g in groupby(sorted(list(cartpos), key=keyfunc), key=keyfunc):
+            g = list(g)
+            group = g[0]
+            group.count = len(g)
+            group.total = group.count * group.price
+            group.has_questions = k[0] != ""
+            group.cache_answers()
+            positions.append(group)
+
+        return {
+            'positions': positions,
+            'raw': cartpos,
+            'total': self.object.total,
+            'payment_fee': self.object.payment_fee,
+        }