membershipworks: Use Non-Member ticket price when Member price is 0

membershipworks/models.py

@@ -687,25 +687,31 @@ class EventTicketTypeManager(models.Manager["EventTicketType"]):
         )
         qs = super().get_queryset()
         return qs.annotate(
+            members_price=Subquery(
+                qs.filter(event=OuterRef("event"), restrict_to=members_folder).values(
+                    "list_price"
+                ),
+                output_field=models.FloatField(),
+            ),
             # Before 2024-07-01, use Members ticket price for any
             # restricted ticket, but list price for unrestricted
             # (Non-Members) ticket. After, use Members ticket price
-            # for all tickets.
+            # for all tickets except where members ticket is free.
             actual_price=Case(
                 When(
+                    # member ticket
                     Q(restrict_to=members_folder)
                     | (
-                        Q(event__start__lt=datetime(year=2024, month=7, day=1))
-                        & Q(restrict_to__isnull=True)
+                        # non-member ticket
+                        Q(restrict_to__isnull=True)
+                        & (
+                            Q(event__start__lt=datetime(year=2024, month=7, day=1))
+                            | Q(members_price=0)
+                        )
                     ),
                     "list_price",
                 ),
-                default=Subquery(
-                    qs.filter(
-                        event=OuterRef("event"), restrict_to=members_folder
-                    ).values("list_price"),
-                    output_field=models.FloatField(),
-                ),
+                default="members_price",
             ),
             is_members_ticket=(Q(restrict_to__isnull=False)),
             materials=Case(