fineract-provider/src/main/java/org/apache/fineract/organisation/workingdays/data/WorkingDayValidator.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF 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.apache.fineract.organisation.workingdays.data;

import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang.StringUtils;
import org.apache.fineract.infrastructure.core.data.ApiParameterError;
import org.apache.fineract.infrastructure.core.data.DataValidatorBuilder;
import org.apache.fineract.infrastructure.core.exception.InvalidJsonException;
import org.apache.fineract.infrastructure.core.exception.PlatformApiDataValidationException;
import org.apache.fineract.infrastructure.core.serialization.FromJsonHelper;
import org.apache.fineract.organisation.workingdays.api.WorkingDaysApiConstants;
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 class WorkingDayValidator {

    private final FromJsonHelper fromApiJsonHelper;

    @Autowired
    public WorkingDayValidator(FromJsonHelper fromApiJsonHelper) {
        this.fromApiJsonHelper = fromApiJsonHelper;
    }

    public void validateForUpdate(final String json) {
        if (StringUtils.isBlank(json)) { throw new InvalidJsonException(); }

        final Type typeOfMap = new TypeToken<Map<String, Object>>() {}.getType();
        this.fromApiJsonHelper.checkForUnsupportedParameters(typeOfMap, json,
                WorkingDaysApiConstants.WORKING_DAYS_CREATE_OR_UPDATE_REQUEST_DATA_PARAMETERS);
        final JsonElement element = this.fromApiJsonHelper.parse(json);

        final List<ApiParameterError> dataValidationErrors = new ArrayList<>();

        final DataValidatorBuilder baseDataValidator = new DataValidatorBuilder(dataValidationErrors)
                .resource(WorkingDaysApiConstants.WORKING_DAYS_RESOURCE_NAME);

        final String recurrence = this.fromApiJsonHelper.extractStringNamed(WorkingDaysApiConstants.recurrence, element);
        baseDataValidator.reset().parameter(WorkingDaysApiConstants.recurrence).value(recurrence).notNull();

        final Integer repaymentRescheduleType = this.fromApiJsonHelper.extractIntegerSansLocaleNamed("repaymentRescheduleType", element);
        baseDataValidator.reset().parameter("repaymentRescheduleType").value(repaymentRescheduleType).ignoreIfNull().inMinMaxRange(1, 4);

        final Boolean extendTermForDailyRepayments = this.fromApiJsonHelper.extractBooleanNamed("extendTermForDailyRepayments", element);
        baseDataValidator.reset().parameter(WorkingDaysApiConstants.extendTermForDailyRepayments).value(extendTermForDailyRepayments).ignoreIfNull().validateForBooleanValue();
        
        throwExceptionIfValidationWarningsExist(dataValidationErrors);

    }

    private void throwExceptionIfValidationWarningsExist(final List<ApiParameterError> dataValidationErrors) {
        if (!dataValidationErrors.isEmpty()) {
            //
            throw new PlatformApiDataValidationException(dataValidationErrors);
        }
    }
}