예제 #1
0
        public ActionResult EvaluateCalculate(ProductProfitabilityRequest productProfitabilityRequest)
        {
            if (productProfitabilityRequest.CostPerPoundToShip.HasValue && productProfitabilityRequest.FlatCostToShip.HasValue)
            {
                throw new InvalidOperationException("Cannot have both a CostPerPoundToShip and FlatCostToShip");
            }

            Func <decimal, decimal> funcShippingCost = null;

            if (productProfitabilityRequest.CostPerPoundToShip.HasValue)
            {
                funcShippingCost = weight => weight * productProfitabilityRequest.CostPerPoundToShip.Value;
            }
            else if (productProfitabilityRequest.FlatCostToShip.HasValue)
            {
                funcShippingCost = weight => productProfitabilityRequest.FlatCostToShip.Value;
            }

            DimensionContainer dimensionContainer = new DimensionContainer(
                productProfitabilityRequest.Length,
                productProfitabilityRequest.Width,
                productProfitabilityRequest.Height,
                productProfitabilityRequest.Weight);

            decimal profitMargin = FeeStructureUtility.CalculateProfitMargin(
                dimensionContainer,
                productProfitabilityRequest.FeeCategory,
                productProfitabilityRequest.LowestPrice,
                productProfitabilityRequest.PurchasePrice,
                funcShippingCost);

            decimal breakEven = FeeStructureUtility.CalculateBreakEven(
                dimensionContainer,
                productProfitabilityRequest.FeeCategory,
                productProfitabilityRequest.PurchasePrice,
                funcShippingCost);

            ProductProfitabilityResponse productProfitabilityViewModel = new ProductProfitabilityResponse
            {
                BreakEvenPrice = breakEven,
                ProfitMargin   = profitMargin
            };

            return(Json(productProfitabilityViewModel));
        }
예제 #2
0
        public void EvaluatePriceList(PriceListFile priceListFile)
        {
            DataTable dt = ExcelUtility.ConvertExcelFileToDataTable(priceListFile.File);

            List <ManufacturerPriceListRowInput> manufacturerPriceListRowsInputs = dt.FromDataTableToList <ManufacturerPriceListRowInput>();

            // Price is always required.
            if (manufacturerPriceListRowsInputs.Any(a => !a.Price.HasValue))
            {
                throw new ArgumentException("Price must be set for all rows.");
            }

            // Need either UPC or ASIN.
            if (manufacturerPriceListRowsInputs.Any(a => a.ASIN == null && a.UPC == null))
            {
                throw new ArgumentException("ASIN or UPC must be set for all rows.");
            }

            List <ManufacturerPriceListRowOutput> manufacturerPriceListRowsOutputs = new List <ManufacturerPriceListRowOutput>();

            // Only lookup rows where either ASIN or UPC is set.
            foreach (ManufacturerPriceListRowInput manufacturerPriceListRow in manufacturerPriceListRowsInputs
                     .Where(w => !w.ASIN.IsNullOrEmptyTrimmed() || !w.UPC.IsNullOrEmptyTrimmed()))
            {
                LookupProductRequest lookupProductRequest = new LookupProductRequest
                {
                    SearchIndex   = priceListFile.SearchIndex,
                    ResponseGroup = ResponseGroup.Medium
                };

                if (manufacturerPriceListRow.ASIN != null)
                {
                    lookupProductRequest.IdType = IdType.ASIN;
                    lookupProductRequest.ItemId = manufacturerPriceListRow.ASIN;
                }
                else
                {
                    lookupProductRequest.IdType = IdType.UPC;
                    lookupProductRequest.ItemId = manufacturerPriceListRow.UPC;
                }

                LookupProductResponse lookupProductResponse = m_productAdvertisingApi.LookupProduct(lookupProductRequest);

                if (lookupProductResponse != null)
                {
                    Product product = lookupProductResponse.Product;

                    Listing listing = m_amazonApiClient.GetAllListingsForAsin(new[] { product.ASIN }).FirstOrDefault();

                    decimal?breakEven           = null;
                    decimal?profitMargin        = null;
                    decimal?lowestPrice         = null;
                    string  sellersRankCategory = null;

                    if (listing != null)
                    {
                        lowestPrice         = listing.LowestPrice;
                        sellersRankCategory = listing.SellersRankCategory;
                    }

                    if (product.Length.HasValue && product.Width.HasValue && product.Height.HasValue && product.Weight.HasValue)
                    {
                        DimensionContainer dimensionContainer = new DimensionContainer(
                            product.Length.Value,
                            product.Width.Value,
                            product.Height.Value,
                            product.Weight.Value);

                        breakEven = FeeStructureUtility.CalculateBreakEven(
                            dimensionContainer,
                            priceListFile.FeeCategory,
                            manufacturerPriceListRow.Price.Value);

                        if (lowestPrice.HasValue && lowestPrice.Value > 0)
                        {
                            profitMargin = FeeStructureUtility.CalculateProfitMargin(
                                dimensionContainer,
                                priceListFile.FeeCategory,
                                lowestPrice.Value,
                                manufacturerPriceListRow.Price.Value);
                        }
                    }

                    ManufacturerPriceListRowOutput manufacturerPriceListRowOutput = new ManufacturerPriceListRowOutput
                    {
                        ASIN                = product.ASIN,
                        UPC                 = manufacturerPriceListRow.UPC,
                        ProductName         = product.Name,
                        SellersRank         = lookupProductResponse.ProductMetadata.SalesRank,
                        SellersRankCategory = sellersRankCategory,
                        Category            = lookupProductResponse.ProductMetadata.ProductGroup,
                        Price               = manufacturerPriceListRow.Price.Value,
                        BreakEven           = breakEven.HasValue
                                                        ? breakEven.Value.ToString("F", CultureInfo.InvariantCulture)
                                                        : null,
                        LowestPrice = lowestPrice.HasValue
                                                        ? lowestPrice.Value.ToString("F", CultureInfo.InvariantCulture)
                                                        : null,
                        ProfitMargin = profitMargin.HasValue
                                                        ? string.Format("{0:0.00%}", profitMargin.Value)
                                                        : null
                    };

                    manufacturerPriceListRowsOutputs.Add(manufacturerPriceListRowOutput);
                }
            }

            ExcelUtility.WriteExcelFileToResponse(Response, manufacturerPriceListRowsOutputs, c_worksheetName, priceListFile.File.FileName);
        }