pub async fn reset_progress_by_exam_id_and_user_id(
conn: &mut PgConnection,
exam_id: Uuid,
user_id: Uuid,
) -> ModelResult<()>pub async fn reset_progress_by_exam_id_and_user_id(
conn: &mut PgConnection,
exam_id: Uuid,
user_id: Uuid,
) -> ModelResult<()>