/**
* 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.serialization;
import java.lang.reflect.Type;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import org.joda.time.LocalDate;
import org.mifosplatform.infrastructure.core.data.ApiParameterError;
import org.mifosplatform.infrastructure.core.data.DataValidatorBuilder;
import org.mifosplatform.infrastructure.core.exception.InvalidJsonException;
import org.mifosplatform.infrastructure.core.exception.PlatformApiDataValidationException;
import org.mifosplatform.infrastructure.core.serialization.FromJsonHelper;
import org.mifosplatform.portfolio.loanaccount.api.LoanApiConstants;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.google.gson.JsonElement;
import com.google.gson.reflect.TypeToken;
@Component
public final class LoanApplicationTransitionApiJsonValidator {
private final FromJsonHelper fromApiJsonHelper;
@Autowired
public LoanApplicationTransitionApiJsonValidator(final FromJsonHelper fromApiJsonHelper) {
this.fromApiJsonHelper = fromApiJsonHelper;
}
private void throwExceptionIfValidationWarningsExist(final List<ApiParameterError> dataValidationErrors) {
if (!dataValidationErrors.isEmpty()) { throw new PlatformApiDataValidationException("validation.msg.validation.errors.exist",
"Validation errors exist.", dataValidationErrors); }
}
public void validateApproval(final String json) {
if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
final Set<String> disbursementParameters = new HashSet<>(Arrays.asList(LoanApiConstants.approvedLoanAmountParameterName,
LoanApiConstants.approvedOnDateParameterName, LoanApiConstants.noteParameterName, LoanApiConstants.localeParameterName,
LoanApiConstants.dateFormatParameterName,LoanApiConstants.disbursementDataParameterName,LoanApiConstants.disbursementDateParameterName));
final Type typeOfMap = new TypeToken<Map<String, Object>>() {}.getType();
this.fromApiJsonHelper.checkForUnsupportedParameters(typeOfMap, json, disbursementParameters);
final List<ApiParameterError> dataValidationErrors = new ArrayList<>();
final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loanapplication");
final JsonElement element = this.fromApiJsonHelper.parse(json);
final BigDecimal principal = this.fromApiJsonHelper.extractBigDecimalWithLocaleNamed(
LoanApiConstants.approvedLoanAmountParameterName, element);
baseDataValidator.reset().parameter(LoanApiConstants.approvedLoanAmountParameterName).value(principal).ignoreIfNull()
.positiveAmount();
final LocalDate approvedOnDate = this.fromApiJsonHelper
.extractLocalDateNamed(LoanApiConstants.approvedOnDateParameterName, element);
baseDataValidator.reset().parameter(LoanApiConstants.approvedOnDateParameterName).value(approvedOnDate).notNull();
final LocalDate expectedDisbursementDate = this.fromApiJsonHelper
.extractLocalDateNamed(LoanApiConstants.disbursementDateParameterName, element);
baseDataValidator.reset().parameter(LoanApiConstants.disbursementDateParameterName).value(expectedDisbursementDate).ignoreIfNull();
final String note = this.fromApiJsonHelper.extractStringNamed(LoanApiConstants.noteParameterName, element);
baseDataValidator.reset().parameter(LoanApiConstants.noteParameterName).value(note).notExceedingLengthOf(1000);
throwExceptionIfValidationWarningsExist(dataValidationErrors);
}
public void validateRejection(final String json) {
if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
final Set<String> disbursementParameters = new HashSet<>(Arrays.asList(LoanApiConstants.rejectedOnDateParameterName,
LoanApiConstants.noteParameterName, LoanApiConstants.localeParameterName, LoanApiConstants.dateFormatParameterName));
final Type typeOfMap = new TypeToken<Map<String, Object>>() {}.getType();
this.fromApiJsonHelper.checkForUnsupportedParameters(typeOfMap, json, disbursementParameters);
final List<ApiParameterError> dataValidationErrors = new ArrayList<>();
final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loanapplication");
final JsonElement element = this.fromApiJsonHelper.parse(json);
final LocalDate rejectedOnDate = this.fromApiJsonHelper.extractLocalDateNamed(LoanApiConstants.rejectedOnDateParameterName, element);
baseDataValidator.reset().parameter(LoanApiConstants.rejectedOnDateParameterName).value(rejectedOnDate).notNull();
final String note = this.fromApiJsonHelper.extractStringNamed(LoanApiConstants.noteParameterName, element);
baseDataValidator.reset().parameter(LoanApiConstants.noteParameterName).value(note).notExceedingLengthOf(1000);
throwExceptionIfValidationWarningsExist(dataValidationErrors);
}
public void validateApplicantWithdrawal(final String json) {
if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }
final Set<String> disbursementParameters = new HashSet<>(Arrays.asList(LoanApiConstants.withdrawnOnDateParameterName,
LoanApiConstants.noteParameterName, LoanApiConstants.localeParameterName, LoanApiConstants.dateFormatParameterName));
final Type typeOfMap = new TypeToken<Map<String, Object>>() {}.getType();
this.fromApiJsonHelper.checkForUnsupportedParameters(typeOfMap, json, disbursementParameters);
final List<ApiParameterError> dataValidationErrors = new ArrayList<>();
final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors).resource("loanapplication");
final JsonElement element = this.fromApiJsonHelper.parse(json);
final LocalDate withdrawnOnDate = this.fromApiJsonHelper.extractLocalDateNamed(LoanApiConstants.withdrawnOnDateParameterName, element);
baseDataValidator.reset().parameter(LoanApiConstants.withdrawnOnDateParameterName).value(withdrawnOnDate).notNull();
final String note = this.fromApiJsonHelper.extractStringNamed(LoanApiConstants.noteParameterName, element);
baseDataValidator.reset().parameter(LoanApiConstants.noteParameterName).value(note).notExceedingLengthOf(1000);
throwExceptionIfValidationWarningsExist(dataValidationErrors);
}
}