pub async fn get_by_user_and_course_instance_id(
conn: &mut PgConnection,
user_id: Uuid,
course_instance_id: Uuid,
) -> ModelResult<CourseInstanceEnrollment>
pub async fn get_by_user_and_course_instance_id(
conn: &mut PgConnection,
user_id: Uuid,
course_instance_id: Uuid,
) -> ModelResult<CourseInstanceEnrollment>