/// <summary>
/// Calculates all of the discount lines for the transactions.
/// </summary>
/// <param name="pricingDataManager">Provides data access to the calculation.</param>
/// <param name="transaction">The sales transaction.</param>
/// <param name="currencyAndRoundingHelper">Currency and rounding helper.</param>
/// <param name="currencyCode">Currency code to filter discounts by.</param>
/// <param name="lineDiscountGroup">Optional. Line discount group Id for the customer.</param>
/// <param name="multilineDiscountGroup">Optional. Multiline discount group Id for the customer.</param>
/// <param name="totalDiscountGroup">Optional. Total discount group Id for the customer.</param>
/// <param name="shouldTotalLines">True if discount lines should be totaled for each line. False if they should be left as raw discount lines.</param>
/// <param name="calculationMode">Pricing calculation mode.</param>
/// <param name="activeDate">Optional. Active, channel date/time to apply discount for.</param>
/// <remarks>Each sales line will have a collection of DiscountLines and a net discount total in DiscountAmount property (if totaling is enabled).</remarks>
public static void CalculateDiscountsForLines(
IPricingDataAccessor pricingDataManager,
SalesTransaction transaction,
ICurrencyOperations currencyAndRoundingHelper,
string currencyCode,
string lineDiscountGroup,
string multilineDiscountGroup,
string totalDiscountGroup,
bool shouldTotalLines,
DiscountCalculationMode calculationMode,
DateTimeOffset activeDate)
{
if (transaction == null)
{
throw new ArgumentNullException("transaction");
}
Customer customer = InitializeCustomer(transaction, lineDiscountGroup, multilineDiscountGroup, totalDiscountGroup);
PriceContext priceContext = Discount.BuildPriceContext(pricingDataManager, currencyAndRoundingHelper, customer, transaction, currencyCode, transaction.IsTaxIncludedInPrice, calculationMode, activeDate);
bool isDiagnosticsCollected = GetCollectDiagnostics(transaction);
if (isDiagnosticsCollected)
{
priceContext.IsDiagnosticsCollected = true;
priceContext.PricingEngineDiagnosticsObject = new PricingEngineDiagnosticsObject();
}
CalculateDiscountsForLines(
pricingDataManager,
transaction,
shouldTotalLines,
priceContext);
if (isDiagnosticsCollected)
{
SetPricingEngineDiagnosticsObject(transaction, priceContext.PricingEngineDiagnosticsObject);
}
}