/**
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package org.mifosplatform.portfolio.loanaccount.service;
import java.math.BigDecimal;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
import org.joda.time.LocalDate;
import org.mifosplatform.infrastructure.core.serialization.FromJsonHelper;
import org.mifosplatform.portfolio.charge.domain.Charge;
import org.mifosplatform.portfolio.charge.domain.ChargeCalculationType;
import org.mifosplatform.portfolio.charge.domain.ChargePaymentMode;
import org.mifosplatform.portfolio.charge.domain.ChargeRepositoryWrapper;
import org.mifosplatform.portfolio.charge.domain.ChargeTimeType;
import org.mifosplatform.portfolio.charge.exception.LoanChargeCannotBeAddedException;
import org.mifosplatform.portfolio.charge.exception.LoanChargeNotFoundException;
import org.mifosplatform.portfolio.loanaccount.domain.LoanCharge;
import org.mifosplatform.portfolio.loanaccount.domain.LoanChargeRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
@Service
public class LoanChargeAssembler {
private final FromJsonHelper fromApiJsonHelper;
private final ChargeRepositoryWrapper chargeRepository;
private final LoanChargeRepository loanChargeRepository;
@Autowired
public LoanChargeAssembler(final FromJsonHelper fromApiJsonHelper, final ChargeRepositoryWrapper chargeRepository,
final LoanChargeRepository loanChargeRepository) {
this.fromApiJsonHelper = fromApiJsonHelper;
this.chargeRepository = chargeRepository;
this.loanChargeRepository = loanChargeRepository;
}
public Set<LoanCharge> fromParsedJson(final JsonElement element) {
final Set<LoanCharge> loanCharges = new HashSet<>();
final BigDecimal principal = this.fromApiJsonHelper.extractBigDecimalWithLocaleNamed("principal", element);
final Integer numberOfRepayments = this.fromApiJsonHelper.extractIntegerWithLocaleNamed("numberOfRepayments", element);
if (element.isJsonObject()) {
final JsonObject topLevelJsonElement = element.getAsJsonObject();
final String dateFormat = this.fromApiJsonHelper.extractDateFormatParameter(topLevelJsonElement);
final Locale locale = this.fromApiJsonHelper.extractLocaleParameter(topLevelJsonElement);
if (topLevelJsonElement.has("charges") && topLevelJsonElement.get("charges").isJsonArray()) {
final JsonArray array = topLevelJsonElement.get("charges").getAsJsonArray();
for (int i = 0; i < array.size(); i++) {
final JsonObject loanChargeElement = array.get(i).getAsJsonObject();
final Long id = this.fromApiJsonHelper.extractLongNamed("id", loanChargeElement);
final Long chargeId = this.fromApiJsonHelper.extractLongNamed("chargeId", loanChargeElement);
final BigDecimal amount = this.fromApiJsonHelper.extractBigDecimalNamed("amount", loanChargeElement, locale);
final Integer chargeTimeType = this.fromApiJsonHelper.extractIntegerNamed("chargeTimeType", loanChargeElement, locale);
final Integer chargeCalculationType = this.fromApiJsonHelper.extractIntegerNamed("chargeCalculationType",
loanChargeElement, locale);
final LocalDate dueDate = this.fromApiJsonHelper
.extractLocalDateNamed("dueDate", loanChargeElement, dateFormat, locale);
final Integer chargePaymentMode = this.fromApiJsonHelper.extractIntegerNamed("chargePaymentMode", loanChargeElement,
locale);
if (id == null) {
final Charge chargeDefinition = this.chargeRepository.findOneWithNotFoundDetection(chargeId);
if (chargeDefinition.isOverdueInstallment()) {
final String defaultUserMessage = "Installment charge cannot be added to the loan.";
throw new LoanChargeCannotBeAddedException("loanCharge", "overdue.charge", defaultUserMessage, null,
chargeDefinition.getName());
}
ChargeTimeType chargeTime = null;
if (chargeTimeType != null) {
chargeTime = ChargeTimeType.fromInt(chargeTimeType);
}
ChargeCalculationType chargeCalculation = null;
if (chargeCalculationType != null) {
chargeCalculation = ChargeCalculationType.fromInt(chargeCalculationType);
}
ChargePaymentMode chargePaymentModeEnum = null;
if (chargePaymentMode != null) {
chargePaymentModeEnum = ChargePaymentMode.fromInt(chargePaymentMode);
}
final LoanCharge loanCharge = LoanCharge.createNewWithoutLoan(chargeDefinition, principal, amount, chargeTime,
chargeCalculation, dueDate, chargePaymentModeEnum, numberOfRepayments);
loanCharges.add(loanCharge);
} else {
final Long loanChargeId = id;
final LoanCharge loanCharge = this.loanChargeRepository.findOne(loanChargeId);
if (loanCharge == null) { throw new LoanChargeNotFoundException(loanChargeId); }
loanCharge.update(amount, dueDate, numberOfRepayments);
loanCharges.add(loanCharge);
}
}
}
}
return loanCharges;
}
}