/**
* Maps the {@link PricingServiceModel.ShoppingCart} pricing results to the given {@link ShoppingCart}.
*
* @param resultSc the {@link PricingServiceModel.ShoppingCart} containing the pricing defined by the rules engine.
* @param sc the {@link ShoppingCart} onto which we need to map the results.
*/
private void MapShoppingCartPricingResults(PsmShoppingCart resultSc, ShoppingCart sc)
{
sc.CartItemPromoSavings = resultSc.CartItemPromoSavings;
sc.CartItemTotal = resultSc.CartItemTotal;
sc.ShippingPromoSavings = resultSc.ShippingPromoSavings;
sc.ShippingTotal = resultSc.ShippingTotal;
sc.CartTotal = resultSc.CartTotal;
}
/**
* Builds a {@link PricingServiceModel.ShoppingCart} fact from the given {@link ShoppingCart}.
*
* @param sc the {@link ShoppingCart} from which to build the fact.
* @return the {@link PricingServiceModel.ShoppingCart} fact
*/
private PsmShoppingCart BuildShoppingCartFact(ShoppingCart sc)
{
PsmShoppingCart factSc = new PsmShoppingCart();
factSc.CartItemPromoSavings = sc.CartItemPromoSavings;
factSc.CartItemTotal = sc.CartItemTotal;
factSc.CartTotal = sc.CartTotal;
factSc.ShippingPromoSavings = sc.ShippingPromoSavings;
factSc.ShippingTotal = sc.ShippingTotal;
return(factSc);
}
/**
* Builds the KIE {@link BatchExecutionCommand}, which contains all the KIE logic like insertion of facts, starting of ruleflow
* processes and firing of rules, from the given {@link ShoppingCart}.
*
* @param sc the {@link ShoppingCart} from which the build the {@link BatchExecutionCommand}.
* @return the {@link BatchExecutionCommand}
*/
private BatchExecutionCommand BuildBatchExecutionCommand(ShoppingCart sc)
{
// KieCommands commandsFactory = KieServices.Factory.get().getCommands();
// List of BRMS commands that will be send to the rules-engine (e.g. inserts, fireAllRules, etc).
// IList<Command<object>> commands = new List<object>();
// Insert the promo first. Promotions are retrieved from the PromoService.
foreach (var promo in ps.Promotions)
{
PsmPromoEvent promoEvent = new PsmPromoEvent(promo.ItemId, promo.PercentOff);
// Note that we insert the fact into the "Promo Stream".
// Command<type> insertPromoEventCommand = commandsFactory.newInsert(promoEvent, "outPromo", false, "Promo Stream");
// commands.add(insertPromoEventCommand);
}
/*
* Build the ShoppingCart fact from the given ShoppingCart.
*/
PsmShoppingCart factSc = BuildShoppingCartFact(sc);
// commands.add(commandsFactory.newInsert(factSc, "shoppingcart", true, "DEFAULT"));
// Insert the ShoppingCartItems.
IList <ShoppingCartItem> scItems = sc.ShoppingCartItemList;
foreach (ShoppingCartItem nextSci in scItems)
{
// Build the ShoppingCartItem fact from the given ShoppingCartItem.
PsmShoppingCartItem factSci = BuildShoppingCartItem(nextSci);
factSci.ShoppingCart = factSc;
// commands.add(commandsFactory.newInsert(factSci));
}
// Add extra fireAllRules command. Workaround for: https://issues.jboss.org/browse/DROOLS-1593
// TODO: Remove workaround when bug has been fixed.
// commands.add(commandsFactory.newFireAllRules());
// Start the process (ruleflow).
// commands.add(commandsFactory.newStartProcess(RULEFLOW_PROCESS_NAME));
// Fire the rules
// commands.add(commandsFactory.newFireAllRules());
BatchExecutionCommand batchCommand = new BatchExecutionCommand(); // = commandsFactory.newBatchExecution(commands, KIE_SESSION_NAME);
return(batchCommand);
}