pub async fn get_user_course_instance_progress(
conn: &mut PgConnection,
course_instance_id: Uuid,
user_id: Uuid,
) -> ModelResult<Vec<UserCourseInstanceProgress>>
pub async fn get_user_course_instance_progress(
conn: &mut PgConnection,
course_instance_id: Uuid,
user_id: Uuid,
) -> ModelResult<Vec<UserCourseInstanceProgress>>