/**
* 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.ArrayList;
import java.util.HashSet;
import java.util.List;
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.loanaccount.api.LoanApiConstants;
import org.mifosplatform.portfolio.loanaccount.domain.LoanCharge;
import org.mifosplatform.portfolio.loanaccount.domain.LoanChargeRepository;
import org.mifosplatform.portfolio.loanaccount.domain.LoanDisbursementDetails;
import org.mifosplatform.portfolio.loanaccount.domain.LoanTrancheDisbursementCharge;
import org.mifosplatform.portfolio.loanproduct.domain.LoanProduct;
import org.mifosplatform.portfolio.loanproduct.domain.LoanProductRepository;
import org.mifosplatform.portfolio.loanproduct.exception.LoanProductNotFoundException;
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;
private final LoanProductRepository loanProductRepository;
@Autowired
public LoanChargeAssembler(final FromJsonHelper fromApiJsonHelper, final ChargeRepositoryWrapper chargeRepository,
final LoanChargeRepository loanChargeRepository, final LoanProductRepository loanProductRepository) {
this.fromApiJsonHelper = fromApiJsonHelper;
this.chargeRepository = chargeRepository;
this.loanChargeRepository = loanChargeRepository;
this.loanProductRepository = loanProductRepository;
}
public Set<LoanCharge> fromParsedJson(final JsonElement element, Set<LoanDisbursementDetails> disbursementDetails) {
JsonArray jsonDisbursement = this.fromApiJsonHelper.extractJsonArrayNamed("disbursementData", element);
List<Long> disbursementChargeIds = new ArrayList<>();
if (jsonDisbursement != null && jsonDisbursement.size() > 0) {
for (int i = 0; i < jsonDisbursement.size(); i++) {
final JsonObject jsonObject = jsonDisbursement.get(i).getAsJsonObject();
if (jsonObject != null && jsonObject.getAsJsonPrimitive(LoanApiConstants.loanChargeIdParameterName) != null) {
String chargeIds = jsonObject.getAsJsonPrimitive(LoanApiConstants.loanChargeIdParameterName).getAsString();
if (chargeIds != null) {
if (chargeIds.indexOf(",") != -1) {
String[] chargeId = chargeIds.split(",");
for (String loanChargeId : chargeId) {
disbursementChargeIds.add(Long.parseLong(loanChargeId));
}
} else {
disbursementChargeIds.add(Long.parseLong(chargeIds));
}
}
}
}
}
final Set<LoanCharge> loanCharges = new HashSet<>();
final BigDecimal principal = this.fromApiJsonHelper.extractBigDecimalWithLocaleNamed("principal", element);
final Integer numberOfRepayments = this.fromApiJsonHelper.extractIntegerWithLocaleNamed("numberOfRepayments", element);
final Long productId = this.fromApiJsonHelper.extractLongNamed("productId", element);
final LoanProduct loanProduct = this.loanProductRepository.findOne(productId);
if (loanProduct == null) { throw new LoanProductNotFoundException(productId); }
final boolean isMultiDisbursal = loanProduct.isMultiDisburseLoan();
LocalDate expectedDisbursementDate = null;
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);
}
if (!isMultiDisbursal) {
final LoanCharge loanCharge = LoanCharge.createNewWithoutLoan(chargeDefinition, principal, amount, chargeTime,
chargeCalculation, dueDate, chargePaymentModeEnum, numberOfRepayments);
loanCharges.add(loanCharge);
} else {
if (topLevelJsonElement.has("disbursementData") && topLevelJsonElement.get("disbursementData").isJsonArray()) {
final JsonArray disbursementArray = topLevelJsonElement.get("disbursementData").getAsJsonArray();
if (disbursementArray.size() > 0) {
JsonObject disbursementDataElement = disbursementArray.get(0).getAsJsonObject();
expectedDisbursementDate = this.fromApiJsonHelper.extractLocalDateNamed(
LoanApiConstants.disbursementDateParameterName, disbursementDataElement, dateFormat, locale);
}
}
if ( ChargeTimeType.DISBURSEMENT.getValue().equals(chargeDefinition.getChargeTimeType())) {
for (LoanDisbursementDetails disbursementDetail : disbursementDetails) {
LoanTrancheDisbursementCharge loanTrancheDisbursementCharge = null;
if (chargeDefinition.isPercentageOfApprovedAmount()
&& disbursementDetail.expectedDisbursementDateAsLocalDate().equals(expectedDisbursementDate)) {
final LoanCharge loanCharge = LoanCharge.createNewWithoutLoan(chargeDefinition, principal, amount,
chargeTime, chargeCalculation, dueDate, chargePaymentModeEnum, numberOfRepayments);
loanCharges.add(loanCharge);
loanTrancheDisbursementCharge = new LoanTrancheDisbursementCharge(loanCharge, disbursementDetail);
loanCharge.updateLoanTrancheDisbursementCharge(loanTrancheDisbursementCharge);
} else {
if (disbursementDetail.expectedDisbursementDateAsLocalDate().equals(expectedDisbursementDate)) {
final LoanCharge loanCharge = LoanCharge.createNewWithoutLoan(chargeDefinition,
disbursementDetail.principal(), amount, chargeTime, chargeCalculation,
disbursementDetail.expectedDisbursementDateAsLocalDate(), chargePaymentModeEnum,
numberOfRepayments);
loanCharges.add(loanCharge);
loanTrancheDisbursementCharge = new LoanTrancheDisbursementCharge(loanCharge,
disbursementDetail);
loanCharge.updateLoanTrancheDisbursementCharge(loanTrancheDisbursementCharge);
}
}
}
} else if (ChargeTimeType.TRANCHE_DISBURSEMENT.getValue().equals(chargeDefinition.getChargeTimeType())) {
LoanTrancheDisbursementCharge loanTrancheDisbursementCharge = null;
for (LoanDisbursementDetails disbursementDetail : disbursementDetails) {
if (ChargeTimeType.TRANCHE_DISBURSEMENT.getValue().equals(chargeDefinition.getChargeTimeType())) {
final LoanCharge loanCharge = LoanCharge.createNewWithoutLoan(chargeDefinition,
disbursementDetail.principal(), amount, chargeTime, chargeCalculation,
disbursementDetail.expectedDisbursementDateAsLocalDate(), chargePaymentModeEnum,
numberOfRepayments);
loanCharges.add(loanCharge);
loanTrancheDisbursementCharge = new LoanTrancheDisbursementCharge(loanCharge, disbursementDetail);
loanCharge.updateLoanTrancheDisbursementCharge(loanTrancheDisbursementCharge);
}
}
} else {
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 (disbursementChargeIds.contains(loanChargeId) && loanCharge == null) {
// throw new
// LoanChargeNotFoundException(loanChargeId);
}
if (loanCharge != null) {
loanCharge.update(amount, dueDate, numberOfRepayments);
loanCharges.add(loanCharge);
}
}
}
}
}
return loanCharges;
}
public Set<Charge> getNewLoanTrancheCharges(final JsonElement element) {
final Set<Charge> associatedChargesForLoan = new HashSet<>();
if (element.isJsonObject()) {
final JsonObject topLevelJsonElement = element.getAsJsonObject();
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);
if (id == null) {
final Charge chargeDefinition = this.chargeRepository.findOneWithNotFoundDetection(chargeId);
if (chargeDefinition.getChargeTimeType() == ChargeTimeType.TRANCHE_DISBURSEMENT.getValue()) {
associatedChargesForLoan.add(chargeDefinition);
}
}
}
}
}
return associatedChargesForLoan;
}
}