Function headless_lms_models::exercise_task_gradings::get_user_exercise_task_gradings_by_module_and_exercise_type

pub async fn get_user_exercise_task_gradings_by_module_and_exercise_type(
    conn: &mut PgConnection,
    user_id: Uuid,
    exercise_type: &str,
    module_id: Uuid,
    course_instance_id: Uuid
) -> ModelResult<Vec<CustomViewExerciseTaskGrading>>