use of org.broadleafcommerce.core.order.fulfillment.domain.FulfillmentBand in project BroadleafCommerce by BroadleafCommerce.
the class BandedFulfillmentPricingProvider method estimateCostForFulfillmentGroup.
@Override
public FulfillmentEstimationResponse estimateCostForFulfillmentGroup(FulfillmentGroup fulfillmentGroup, Set<FulfillmentOption> options) throws FulfillmentPriceException {
// Set up the response object
FulfillmentEstimationResponse res = new FulfillmentEstimationResponse();
HashMap<FulfillmentOption, Money> shippingPrices = new HashMap<FulfillmentOption, Money>();
res.setFulfillmentOptionPrices(shippingPrices);
for (FulfillmentOption option : options) {
if (canCalculateCostForFulfillmentGroup(fulfillmentGroup, option)) {
List<? extends FulfillmentBand> bands = null;
if (option instanceof BandedPriceFulfillmentOption) {
bands = ((BandedPriceFulfillmentOption) option).getBands();
} else if (option instanceof BandedWeightFulfillmentOption) {
bands = ((BandedWeightFulfillmentOption) option).getBands();
}
if (bands == null || bands.isEmpty()) {
// Something is misconfigured. There are no bands associated with this fulfillment option
throw new IllegalStateException("There were no Fulfillment Price Bands configured for a BandedPriceFulfillmentOption with ID: " + option.getId());
}
// Calculate the amount that the band will be applied to
BigDecimal retailTotal = BigDecimal.ZERO;
BigDecimal flatTotal = BigDecimal.ZERO;
BigDecimal weightTotal = BigDecimal.ZERO;
boolean foundCandidateForBand = false;
for (FulfillmentGroupItem fulfillmentGroupItem : fulfillmentGroup.getFulfillmentGroupItems()) {
// If this item has a Sku associated with it which also has a flat rate for this fulfillment option, don't add it to the price
// or weight total but instead tack it onto the final rate
boolean addToTotal = true;
Sku sku = null;
if (fulfillmentGroupItem.getOrderItem() instanceof DiscreteOrderItem) {
sku = ((DiscreteOrderItem) fulfillmentGroupItem.getOrderItem()).getSku();
} else if (fulfillmentGroupItem.getOrderItem() instanceof BundleOrderItem) {
sku = ((BundleOrderItem) fulfillmentGroupItem.getOrderItem()).getSku();
}
if (sku != null && option.getUseFlatRates()) {
BigDecimal rate = sku.getFulfillmentFlatRates().get(option);
if (rate != null) {
addToTotal = false;
flatTotal = flatTotal.add(rate);
}
}
if (addToTotal) {
foundCandidateForBand = true;
BigDecimal price = (fulfillmentGroupItem.getTotalItemAmount() != null) ? fulfillmentGroupItem.getTotalItemAmount().getAmount() : null;
if (price == null) {
price = fulfillmentGroupItem.getOrderItem().getAveragePrice().getAmount().multiply(BigDecimal.valueOf(fulfillmentGroupItem.getQuantity()));
}
retailTotal = retailTotal.add(price);
if (sku != null && sku.getWeight() != null && sku.getWeight().getWeight() != null) {
BigDecimal convertedWeight = convertWeight(sku.getWeight().getWeight(), sku.getWeight().getWeightUnitOfMeasure()).multiply(BigDecimal.valueOf(fulfillmentGroupItem.getQuantity()));
weightTotal = weightTotal.add(convertedWeight);
}
}
}
// Used to keep track of the lowest price when there is are bands that have the same
// minimum amount
BigDecimal lowestBandFulfillmentPrice = null;
// Used to keep track of the amount for the lowest band fulfillment price. Used to compare
// if 2 bands are configured for the same minimum amount
BigDecimal lowestBandFulfillmentPriceMinimumAmount = BigDecimal.ZERO;
if (foundCandidateForBand) {
for (FulfillmentBand band : bands) {
BigDecimal bandMinimumAmount = BigDecimal.ZERO;
boolean foundMatch = false;
if (band instanceof FulfillmentPriceBand) {
bandMinimumAmount = ((FulfillmentPriceBand) band).getRetailPriceMinimumAmount();
foundMatch = retailTotal.compareTo(bandMinimumAmount) >= 0;
} else if (band instanceof FulfillmentWeightBand) {
bandMinimumAmount = ((FulfillmentWeightBand) band).getMinimumWeight();
foundMatch = weightTotal.compareTo(bandMinimumAmount) >= 0;
}
if (foundMatch) {
// So far, we've found a potential match
// Now, determine if this is a percentage or actual amount
FulfillmentBandResultAmountType resultAmountType = band.getResultAmountType();
BigDecimal bandFulfillmentPrice = null;
if (FulfillmentBandResultAmountType.RATE.equals(resultAmountType)) {
bandFulfillmentPrice = band.getResultAmount();
} else if (FulfillmentBandResultAmountType.PERCENTAGE.equals(resultAmountType)) {
// Since this is a percentage, we calculate the result amount based on retailTotal and the band percentage
bandFulfillmentPrice = retailTotal.multiply(band.getResultAmount());
} else {
LOG.warn("Unknown FulfillmentBandResultAmountType: " + resultAmountType.getType() + " Should be RATE or PERCENTAGE. Ignoring.");
}
if (bandFulfillmentPrice != null) {
// haven't initialized the lowest price yet so just take on this one
if (lowestBandFulfillmentPrice == null) {
lowestBandFulfillmentPrice = bandFulfillmentPrice;
lowestBandFulfillmentPriceMinimumAmount = bandMinimumAmount;
}
// is cheaper
if (lowestBandFulfillmentPriceMinimumAmount.compareTo(bandMinimumAmount) == 0) {
if (bandFulfillmentPrice.compareTo(lowestBandFulfillmentPrice) <= 0) {
lowestBandFulfillmentPrice = bandFulfillmentPrice;
lowestBandFulfillmentPriceMinimumAmount = bandMinimumAmount;
}
} else if (bandMinimumAmount.compareTo(lowestBandFulfillmentPriceMinimumAmount) > 0) {
lowestBandFulfillmentPrice = bandFulfillmentPrice;
lowestBandFulfillmentPriceMinimumAmount = bandMinimumAmount;
}
} else {
throw new IllegalStateException("Bands must have a non-null fulfillment price");
}
}
}
}
// If I didn't find a valid band, initialize the fulfillment price to zero
if (lowestBandFulfillmentPrice == null) {
lowestBandFulfillmentPrice = BigDecimal.ZERO;
}
// add the flat rate amount calculated on the Sku
lowestBandFulfillmentPrice = lowestBandFulfillmentPrice.add(flatTotal);
shippingPrices.put(option, BroadleafCurrencyUtils.getMoney(lowestBandFulfillmentPrice, fulfillmentGroup.getOrder().getCurrency()));
}
}
return res;
}
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