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InvoiceItemFactory.java
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InvoiceItemFactory.java
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/*
* Copyright 2010-2013 Ning, Inc.
* Copyright 2014-2016 Groupon, Inc
* Copyright 2014-2016 The Billing Project, LLC
*
* The Billing Project licenses this file to you under the Apache License, version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package org.killbill.billing.invoice.model;
import java.math.BigDecimal;
import java.util.UUID;
import javax.annotation.Nullable;
import org.joda.time.DateTime;
import org.joda.time.LocalDate;
import org.killbill.billing.catalog.api.Catalog;
import org.killbill.billing.catalog.api.CatalogApiException;
import org.killbill.billing.catalog.api.Currency;
import org.killbill.billing.catalog.api.Plan;
import org.killbill.billing.catalog.api.PlanPhase;
import org.killbill.billing.catalog.api.Usage;
import org.killbill.billing.invoice.api.InvoiceItem;
import org.killbill.billing.invoice.api.InvoiceItemType;
import org.killbill.billing.invoice.dao.InvoiceItemModelDao;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class InvoiceItemFactory {
private static final Logger log = LoggerFactory.getLogger(InvoiceItemFactory.class);
private InvoiceItemFactory() {}
public static InvoiceItem fromModelDao(final InvoiceItemModelDao invoiceItemModelDao) {
return fromModelDaoWithCatalog(invoiceItemModelDao, null);
}
public static InvoiceItem fromModelDaoWithCatalog(final InvoiceItemModelDao invoiceItemModelDao, @Nullable final Catalog catalog) {
if (invoiceItemModelDao == null) {
return null;
}
final UUID id = invoiceItemModelDao.getId();
final DateTime createdDate = invoiceItemModelDao.getCreatedDate();
final UUID invoiceId = invoiceItemModelDao.getInvoiceId();
final UUID accountId = invoiceItemModelDao.getAccountId();
final UUID childAccountId = invoiceItemModelDao.getChildAccountId();
final UUID bundleId = invoiceItemModelDao.getBundleId();
final UUID subscriptionId = invoiceItemModelDao.getSubscriptionId();
final String planName = invoiceItemModelDao.getPlanName();
final String phaseName = invoiceItemModelDao.getPhaseName();
final String usageName = invoiceItemModelDao.getUsageName();
final String description = invoiceItemModelDao.getDescription();
final LocalDate startDate = invoiceItemModelDao.getStartDate();
final LocalDate endDate = invoiceItemModelDao.getEndDate();
final BigDecimal amount = invoiceItemModelDao.getAmount();
final BigDecimal rate = invoiceItemModelDao.getRate();
final Currency currency = invoiceItemModelDao.getCurrency();
final UUID linkedItemId = invoiceItemModelDao.getLinkedItemId();
final InvoiceItemType type = invoiceItemModelDao.getType();
final String [] prettyNames = computePrettyName(type, createdDate, planName, phaseName, usageName, catalog);
String prettyPlanName = prettyNames[0];
String prettyPlanPhaseName = prettyNames[1];
String prettyUsageName = prettyNames[2];
final InvoiceItem item;
switch (type) {
case EXTERNAL_CHARGE:
item = new ExternalChargeInvoiceItem(id, createdDate, invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, prettyPlanName, prettyPlanPhaseName, description, startDate, endDate, amount, rate, currency, linkedItemId);
break;
case FIXED:
item = new FixedPriceInvoiceItem(id, createdDate, invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, prettyPlanName, prettyPlanPhaseName, description, startDate, amount, currency);
break;
case RECURRING:
item = new RecurringInvoiceItem(id, createdDate, invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, prettyPlanName, prettyPlanPhaseName, description, startDate, endDate, amount, rate, currency);
break;
case CBA_ADJ:
item = new CreditBalanceAdjInvoiceItem(id, createdDate, invoiceId, accountId, startDate, linkedItemId, description, amount, currency);
break;
case CREDIT_ADJ:
item = new CreditAdjInvoiceItem(id, createdDate, invoiceId, accountId, startDate, description, amount, currency);
break;
case REPAIR_ADJ:
item = new RepairAdjInvoiceItem(id, createdDate, invoiceId, accountId, startDate, endDate, description, amount, currency, linkedItemId);
break;
case ITEM_ADJ:
item = new ItemAdjInvoiceItem(id, createdDate, invoiceId, accountId, startDate, description, amount, currency, linkedItemId);
break;
case USAGE:
item = new UsageInvoiceItem(id, createdDate, invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, usageName, prettyPlanName, prettyPlanPhaseName, prettyUsageName, startDate, endDate, description, amount, currency);
break;
case TAX:
item = new TaxInvoiceItem(id, createdDate, invoiceId, accountId, bundleId, subscriptionId, planName, phaseName, usageName, prettyPlanName, prettyPlanPhaseName, prettyUsageName, startDate, description, amount, currency, linkedItemId);
break;
case PARENT_SUMMARY:
item = new ParentInvoiceItem(id, createdDate, invoiceId, accountId, childAccountId, amount, currency, description);
break;
default:
throw new RuntimeException("Unexpected type of event item " + type);
}
return item;
}
//
// Returns an array of string for 'pretty' names [prettyPlanName, prettyPlanPhaseName, prettyUsageName]
//
private static String [] computePrettyName(final InvoiceItemType type, final DateTime createdDate, @Nullable final String planName, @Nullable final String phaseName, @Nullable final String usageName, @Nullable final Catalog catalog) {
final String [] result = new String[3];
final boolean computePrettyName = catalog != null &&
(type == InvoiceItemType.FIXED || type == InvoiceItemType.RECURRING || type == InvoiceItemType.TAX || type == InvoiceItemType.USAGE);
String prettyPlanName = null;
String prettyPlanPhaseName = null;
String prettyUsageName = null;
// Trying to optimize safe default behavior by checking both input and each intermediary null result at each step -- and doing poor on the Cyclomatic complexity
try {
if (computePrettyName) {
if (planName != null) {
final Plan plan = catalog.findPlan(planName, createdDate);
if (plan != null) {
prettyPlanName = plan.getPrettyName();
if (phaseName != null) {
final PlanPhase planPhase = plan.findPhase(phaseName);
if (planPhase != null) {
prettyPlanPhaseName = planPhase.getPrettyName();
if (usageName != null) {
Usage usage = null;
for (Usage cur : planPhase.getUsages()) {
if (cur.getName().equals(usageName)) {
usage = cur;
break;
}
}
if (usage != null) {
prettyUsageName = usage.getPrettyName();
}
}
}
}
}
}
}
} catch (final CatalogApiException e) {
log.warn("Failed to compute invoice pretty names:", e.getMessage());
} finally {
result[0] = prettyPlanName;
result[1] = prettyPlanPhaseName;
result[2] = prettyUsageName;
}
return result;
}
}