pub async fn get_by_id(
conn: &mut PgConnection,
id: Uuid,
file_store: &dyn FileStore,
app_conf: &ApplicationConfiguration,
) -> ModelResult<ExerciseTaskSubmission>pub async fn get_by_id(
conn: &mut PgConnection,
id: Uuid,
file_store: &dyn FileStore,
app_conf: &ApplicationConfiguration,
) -> ModelResult<ExerciseTaskSubmission>