public HttpResponseMessage DeletePriceMarginTier(int id)
        {
            SuccessResponse response = new SuccessResponse();

            PriceMarginTiersService.DeletePriceMarginTier(id);
            return(Request.CreateResponse(response));
        }
        public HttpResponseMessage GetTierByPriceMarginID(int marginId)
        {
            ItemsResponse <PriceMarginTiers> response = new ItemsResponse <PriceMarginTiers>();

            response.Items = PriceMarginTiersService.GetTiersByPriceMargin(marginId);
            return(Request.CreateResponse(response));
        }
        public HttpResponseMessage GetPriceMarginTier(int id)
        {
            ItemResponse <PriceMarginTiers> response = new ItemResponse <PriceMarginTiers>();

            response.Item = PriceMarginTiersService.GetPriceMarginTier(id);
            return(Request.CreateResponse(response));
        }
        public HttpResponseMessage GetListOfPriceMarginTiers()
        {
            if (!ModelState.IsValid)
            {
                return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState));
            }

            ItemsResponse <PriceMarginTiers> response = new ItemsResponse <PriceMarginTiers>();

            response.Items = PriceMarginTiersService.GetListOfPriceMarginTiers();
            return(Request.CreateResponse(response));
        }
        public HttpResponseMessage UpdatePriceMarginTier(UpdatePriceMarginTierRequest model)
        {
            if (!ModelState.IsValid)
            {
                return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState));
            }

            SuccessResponse response = new SuccessResponse();

            PriceMarginTiersService.UpdatePriceMarginTier(model);
            return(Request.CreateResponse(response));
        }
        public HttpResponseMessage AddPriceMarginTier(AddPriceMarginTierRequest model)
        {
            if (!ModelState.IsValid)
            {
                return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState));
            }

            ItemResponse <int> response = new ItemResponse <int>();

            response.Item = PriceMarginTiersService.UpdatePriceMarginTier(model);
            return(Request.CreateResponse(response));
        }