always use your own name for registrations; except if the user has the add_different_user permission

src/rest/restreg.rs

@@ -38,6 +38,8 @@ async fn register(
         );
     }
 
+    let user = user::Model::find_or_create_user(&register.name, db.inner()).await;
+
     if let Some(cox_id) = register.cox_id {
         let trip = trip::Entity::find_by_id(cox_id)
             .one(db.inner())
@@ -57,8 +59,6 @@ async fn register(
         }
     }
 
-    let user = user::Model::find_or_create_user(&register.name, db.inner()).await;
-
     let day = format!("{}", day.day.format("%Y-%m-%d"));
     let trip = trip::ActiveModel {
         day: Set(day.clone()),

src/rest/restuser.rs

@@ -16,6 +16,7 @@ async fn index(db: &State<DatabaseConnection>, user: user::AdminUser) -> Templat
 struct UserEditForm {
     pw: Option<String>,
     is_cox: bool,
+    add_different_user: bool,
     is_admin: bool,
 }
 
@@ -30,6 +31,7 @@ async fn update(
         id: Set(id),
         is_cox: Set(data.is_cox),
         is_admin: Set(data.is_admin),
+        add_different_user: Set(data.add_different_user),
         ..Default::default()
     };
     if let Some(pw) = &data.pw {