Examples with NullComparator org.apache.commons.collections.comparators.NullComparator used on opensource projects

Example 6 with NullComparator

use of org.apache.commons.collections.comparators.NullComparator in project BroadleafCommerce by BroadleafCommerce.

the class FulfillmentGroupOfferProcessorImpl method applyAllFulfillmentGroupOffers.

@Override
@SuppressWarnings("unchecked")
public boolean applyAllFulfillmentGroupOffers(List<PromotableCandidateFulfillmentGroupOffer> qualifiedFGOffers, PromotableOrder order) {
    Map<FulfillmentGroupOfferPotential, List<PromotableCandidateFulfillmentGroupOffer>> offerMap = new HashMap<FulfillmentGroupOfferPotential, List<PromotableCandidateFulfillmentGroupOffer>>();
    for (PromotableCandidateFulfillmentGroupOffer candidate : qualifiedFGOffers) {
        FulfillmentGroupOfferPotential potential = new FulfillmentGroupOfferPotential();
        potential.setOffer(candidate.getOffer());
        if (offerMap.get(potential) == null) {
            offerMap.put(potential, new ArrayList<PromotableCandidateFulfillmentGroupOffer>());
        }
        offerMap.get(potential).add(candidate);
    }
    List<FulfillmentGroupOfferPotential> potentials = new ArrayList<FulfillmentGroupOfferPotential>();
    for (FulfillmentGroupOfferPotential potential : offerMap.keySet()) {
        List<PromotableCandidateFulfillmentGroupOffer> fgOffers = offerMap.get(potential);
        Collections.sort(fgOffers, new ReverseComparator(new BeanComparator("discountedAmount", new NullComparator())));
        Collections.sort(fgOffers, new BeanComparator("priority", new NullComparator()));
        if (potential.getOffer().isLimitedUsePerOrder() && fgOffers.size() > potential.getOffer().getMaxUsesPerOrder()) {
            for (int j = potential.getOffer().getMaxUsesPerOrder(); j < fgOffers.size(); j++) {
                fgOffers.remove(j);
            }
        }
        filterOffersByQualifyingAndSubtotalRequirements(order, fgOffers);
        for (PromotableCandidateFulfillmentGroupOffer candidate : fgOffers) {
            if (potential.getTotalSavings().getAmount().equals(BankersRounding.zeroAmount())) {
                BroadleafCurrency currency = order.getOrderCurrency();
                if (currency != null) {
                    potential.setTotalSavings(new Money(BigDecimal.ZERO, currency.getCurrencyCode()));
                } else {
                    potential.setTotalSavings(new Money(BigDecimal.ZERO));
                }
            }
            Money priceBeforeAdjustments = candidate.getFulfillmentGroup().calculatePriceWithoutAdjustments();
            Money discountedPrice = candidate.getDiscountedPrice();
            potential.setTotalSavings(potential.getTotalSavings().add(priceBeforeAdjustments.subtract(discountedPrice)));
            potential.setPriority(candidate.getOffer().getPriority());
        }
        potentials.add(potential);
    }
    // Sort fg potentials by priority and discount
    Collections.sort(potentials, new BeanComparator("totalSavings", Collections.reverseOrder()));
    Collections.sort(potentials, new BeanComparator("priority"));
    potentials = removeTrailingNotCombinableFulfillmentGroupOffers(potentials);
    boolean fgOfferApplied = false;
    for (FulfillmentGroupOfferPotential potential : potentials) {
        Offer offer = potential.getOffer();
        boolean alreadyContainsTotalitarianOffer = order.isTotalitarianOfferApplied();
        List<PromotableCandidateFulfillmentGroupOffer> candidates = offerMap.get(potential);
        for (PromotableCandidateFulfillmentGroupOffer candidate : candidates) {
            applyFulfillmentGroupOffer(candidate.getFulfillmentGroup(), candidate);
            fgOfferApplied = true;
        }
        for (PromotableFulfillmentGroup fg : order.getFulfillmentGroups()) {
            fg.chooseSaleOrRetailAdjustments();
        }
        if ((offer.isTotalitarianOffer() != null && offer.isTotalitarianOffer()) || alreadyContainsTotalitarianOffer) {
            fgOfferApplied = compareAndAdjustFulfillmentGroupOffers(order, fgOfferApplied);
            if (fgOfferApplied) {
                break;
            }
        } else if (!offer.isCombinableWithOtherOffers()) {
            break;
        }
    }
    return fgOfferApplied;
}