new newbie flag

src/tera/cox.rs

@@ -52,6 +52,7 @@ struct EditTripForm<'r> {
     notes: Option<&'r str>,
     trip_type: Option<i64>,
     is_locked: bool,
+    allow_guests: bool,
 }
 
 #[post("/trip/<trip_id>", data = "<data>")]
@@ -69,6 +70,7 @@ async fn update(
             notes: data.notes,
             trip_type: data.trip_type,
             is_locked: data.is_locked,
+            allow_guests: data.allow_guests,
         };
         match Trip::update_own(db, &update).await {
             Ok(_) => Flash::success(
@@ -85,6 +87,10 @@ async fn update(
             Err(TripUpdateError::TripDetailsDoesNotExist) => {
                 Flash::error(Redirect::to("/planned"), "Ausfahrt gibt's nicht")
             }
+            Err(TripUpdateError::NeulingAlreadyRegistered) => Flash::error(
+                Redirect::to("/planned"),
+                "Es sind bereits Neulinge angemeldet — 'Neulinge willkommen' kann nicht deaktiviert werden.",
+            ),
         }
     } else {
         Flash::error(Redirect::to("/planned"), "Ausfahrt gibt's nicht")