/// <summary>
        ///
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public List <PromotionLadderModel> GetPromotionLadders()
        {
            var items = PromotionLadderRepository.GetAll();

            if (items != null)
            {
                return(items.Select(p => p.ToModel()).ToList());
            }
            return(new List <PromotionLadderModel>());
        }