pub async fn update_teacher_reviews_answer_after_locking(
conn: &mut PgConnection,
exercise_id: Uuid,
teacher_reviews_answer_after_locking: bool,
) -> ModelResult<Exercise>pub async fn update_teacher_reviews_answer_after_locking(
conn: &mut PgConnection,
exercise_id: Uuid,
teacher_reviews_answer_after_locking: bool,
) -> ModelResult<Exercise>