private static void ResolveAndApplyPriceForSalesLine(SalesLine item, IEnumerable <PriceLine> itemPriceLines, ICurrencyOperations currencyAndRoundingHelper)
{
var agreementLine = itemPriceLines.OfType <TradeAgreementPriceLine>().FirstOrDefault();
var baseLine = itemPriceLines.OfType <BasePriceLine>().FirstOrDefault();
bool hasTradeAgreementPrice = agreementLine != null;
bool hasBasePrice = baseLine != null;
item.AgreementPrice = hasTradeAgreementPrice ? agreementLine.Value : 0m;
item.BasePrice = hasBasePrice ? baseLine.Value : 0m;
// use the trade agreement price if any, otherwise use the base price
if (hasTradeAgreementPrice)
{
SetPriceOnSalesLine(item, item.AgreementPrice);
item.TradeAgreementPriceGroup = agreementLine.CustPriceGroup;
}
else if (hasBasePrice)
{
SetPriceOnSalesLine(item, item.BasePrice);
item.AgreementPrice = item.BasePrice;
}
else
{
SetPriceOnSalesLine(item, 0);
}
// now try to apply any price adjustments
var adjustmentLines = itemPriceLines.OfType <PriceAdjustmentPriceLine>();
item.AdjustedPrice = PriceAdjustmentCalculator.CalculatePromotionPrice(adjustmentLines, item.Price);
if (Math.Abs(item.AdjustedPrice) < Math.Abs(item.Price))
{
SetPriceOnSalesLine(item, item.AdjustedPrice);
item.TradeAgreementPriceGroup = null;
}
// round prices
item.Price = currencyAndRoundingHelper.Round(item.Price);
if (item.OriginalPrice.HasValue)
{
item.OriginalPrice = currencyAndRoundingHelper.Round(item.OriginalPrice.Value);
}
item.BasePrice = currencyAndRoundingHelper.Round(item.BasePrice);
item.AgreementPrice = currencyAndRoundingHelper.Round(item.AgreementPrice);
item.AdjustedPrice = currencyAndRoundingHelper.Round(item.AdjustedPrice);
}
