Эндпоинт users/change-group.

src/routes/users/change_username.rs

@@ -1,12 +1,11 @@
 use self::schema::*;
 use crate::app_state::AppState;
 use crate::database::driver;
+use crate::database::driver::users::UserSave;
 use crate::database::models::User;
 use crate::extractors::base::SyncExtractor;
 use crate::routes::schema::IntoResponseAsError;
-use crate::utility::mutex::MutexScope;
 use actix_web::{post, web};
-use diesel::SaveChangesDsl;
 
 #[utoipa::path(responses((status = OK)))]
 #[post("/change-username")]
@@ -27,11 +26,7 @@ pub async fn change_username(
 
     user.username = data.into_inner().username;
 
-    if let Some(e) = app_state
-        .database
-        .scope(|conn| user.save_changes::<User>(conn))
-        .err()
-    {
+    if let Some(e) = user.save(&app_state).err() {
         eprintln!("Failed to update user: {e}");
         return ErrorCode::InternalServerError.into_response();
     }