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/* ==================================================================
* SnfBillingUtils.java - 1/11/2021 1:17:02 PM
*
* Copyright 2021 SolarNetwork.net Dev Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
* ==================================================================
*/
package net.solarnetwork.central.user.billing.snf;
import static java.util.Collections.singletonList;
import static java.util.stream.Collectors.toList;
import static net.solarnetwork.central.user.billing.snf.domain.SnfInvoiceItem.DEFAULT_ITEM_ORDER;
import static net.solarnetwork.central.user.billing.snf.domain.SnfInvoiceItem.META_AVAILABLE_CREDIT;
import java.math.BigDecimal;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import org.springframework.context.MessageSource;
import net.solarnetwork.central.user.billing.domain.InvoiceItem;
import net.solarnetwork.central.user.billing.snf.domain.InvoiceImpl;
import net.solarnetwork.central.user.billing.snf.domain.InvoiceItemImpl;
import net.solarnetwork.central.user.billing.snf.domain.InvoiceItemType;
import net.solarnetwork.central.user.billing.snf.domain.NamedCost;
import net.solarnetwork.central.user.billing.snf.domain.SnfInvoice;
import net.solarnetwork.central.user.billing.snf.domain.SnfInvoiceItem;
import net.solarnetwork.central.user.billing.snf.domain.UsageInfo;
import net.solarnetwork.central.user.billing.support.LocalizedInvoiceItemUsageRecord;
import net.solarnetwork.central.user.billing.support.MoneyUtils;
/**
* Utilities for SNF billing.
*
* @author matt
* @version 1.0
*/
public final class SnfBillingUtils {
/**
* Generate usage metadata for a set of usage data.
*
* @param usageData
* the usage data
* @param tierData
* the tier data
* @param tierKey
* the tier key
* @return the metadata object
*/
public static Map usageMetadata(Map usageData,
Map> tierData, String tierKey) {
Map result = new LinkedHashMap<>(2);
if ( usageData.containsKey(tierKey) ) {
result.put(SnfInvoiceItem.META_USAGE, usageData.get(tierKey).toMetadata());
}
if ( tierData.containsKey(tierKey) ) {
List> tierMeta = tierData.get(tierKey).stream().map(e -> e.toMetadata())
.collect(toList());
result.put(SnfInvoiceItem.META_TIER_BREAKDOWN, tierMeta);
}
return result;
}
/**
* Create a {@link net.solarnetwork.central.user.billing.domain.Invoice}
* from a {@link SnfInvoice}.
*
* @param invoice
* the input invoice entity
* @param messageSource
* the message source
* @param locale
* the locale
* @return the invoice, never {@literal null}
*/
public static InvoiceImpl invoiceForSnfInvoice(SnfInvoice invoice, MessageSource messageSource,
Locale locale) {
List invoiceItems = null;
if ( locale != null ) {
invoiceItems = invoice.getItems().stream().sorted(DEFAULT_ITEM_ORDER).map(e -> {
String desc = messageSource.getMessage(e.getKey() + ".item", null, null, locale);
InvoiceItemImpl item;
UsageInfo usageInfo = e.getUsageInfo();
if ( usageInfo != null ) {
List tiers = usageInfo
.getUsageTiers();
String[] tierDescriptions = null;
if ( tiers != null && !tiers.isEmpty() ) {
tierDescriptions = new String[tiers.size()];
for ( int i = 0; i < tiers.size(); i++ ) {
tierDescriptions[i] = String.format("%s %d",
messageSource.getMessage("invoiceItemTier", null, null, locale),
i + 1);
}
}
String unitTypeDesc = messageSource.getMessage(usageInfo.getUnitType() + ".unit",
null, null, locale);
LocalizedInvoiceItemUsageRecord locInfo = new LocalizedInvoiceItemUsageRecord(
usageInfo, locale, unitTypeDesc, invoice.getCurrencyCode(),
tierDescriptions);
item = new InvoiceItemImpl(invoice, e, singletonList(locInfo));
} else {
if ( e.getItemType() == InvoiceItemType.Credit && e.getMetadata() != null
&& e.getMetadata().containsKey(META_AVAILABLE_CREDIT) ) {
Object availCreditVal = e.getMetadata().get(META_AVAILABLE_CREDIT);
BigDecimal availCredit = (availCreditVal instanceof BigDecimal
? (BigDecimal) availCreditVal
: new BigDecimal(availCreditVal.toString()));
e.getMetadata().put("localizedAvailableCredit",
MoneyUtils.formattedMoneyAmountFormatWithSymbolCurrencyStyle(locale,
invoice.getCurrencyCode(), availCredit));
}
item = new InvoiceItemImpl(invoice, e);
}
return new net.solarnetwork.central.user.billing.support.LocalizedInvoiceItem(item,
locale, desc);
}).collect(toList());
} else {
invoiceItems = invoice.getItems().stream().sorted(DEFAULT_ITEM_ORDER).map(e -> {
return new InvoiceItemImpl(invoice, e);
}).collect(toList());
}
return new InvoiceImpl(invoice, invoiceItems);
}
}
