Function headless_lms_models::user_exercise_states::get_user_course_instance_metrics_indexed_by_module_id

pub async fn get_user_course_instance_metrics_indexed_by_module_id(
    conn: &mut PgConnection,
    course_instance_id: Uuid,
    user_id: Uuid
) -> ModelResult<HashMap<Uuid, UserCourseInstanceMetrics>>