add live streaming rooms

Author: marcoacierno

backend/api/schedule/types/schedule_item.py

@@ -41,6 +41,7 @@ class ScheduleItem:
     talk_manager: ScheduleItemUser | None = strawberry.field(
         permission_classes=[IsStaffPermission]
     )
+    livestreaming_room: Room | None
 
     @strawberry.field
     def has_limited_capacity(self) -> bool:

backend/schedule/admin.py

@@ -341,6 +341,7 @@ class ScheduleItemAdmin(ConferencePermissionMixin, admin.ModelAdmin):
                     "link_to",
                     "slido_url",
                     "talk_manager",
+                    'livestreaming_room',
                 )
             },
         ),

backend/schedule/models.py

@@ -213,6 +213,14 @@ class ScheduleItem(TimeStampedModel):
     rooms = models.ManyToManyField(
         Room, related_name="talks", verbose_name=_("rooms"), blank=True
     )
+    livestreaming_room = models.ForeignKey(
+        Room,
+        on_delete=models.PROTECT,
+        null=True,
+        blank=True,
+        verbose_name=_("livestreaming room"),
+        related_name="livestreaming_talks",
+    )
 
     submission = models.ForeignKey(
         Submission,