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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2024 Nordix Foundation
* ================================================================================
* Licensed 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.ncmp.api.impl.events.cmsubscription.service;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.api.CpsQueryService;
import org.onap.cps.ncmp.api.impl.operations.DatastoreType;
import org.onap.cps.spi.FetchDescendantsOption;
import org.onap.cps.spi.model.DataNode;
import org.springframework.stereotype.Service;
@Slf4j
@Service
@RequiredArgsConstructor
public class CmNotificationSubscriptionPersistenceServiceImpl implements CmNotificationSubscriptionPersistenceService {
private static final String SUBSCRIPTION_ANCHOR_NAME = "cm-data-subscriptions";
private static final String IS_ONGOING_CM_SUBSCRIPTION_CPS_PATH_QUERY = """
/datastores/datastore[@name='%s']/cm-handles/cm-handle[@id='%s']/filters/filter[@xpath='%s']
""".trim();
private static final String SUBSCRIPTION_IDS_CPS_PATH_QUERY = """
//filter/subscriptionIds[text()='%s']
""".trim();
private final CpsQueryService cpsQueryService;
@Override
public boolean isOngoingCmNotificationSubscription(final DatastoreType datastoreType, final String cmHandleId,
final String xpath) {
return !getOngoingCmNotificationSubscriptionIds(datastoreType, cmHandleId, xpath).isEmpty();
}
@Override
public boolean isUniqueSubscriptionId(final String subscriptionId) {
return cpsQueryService.queryDataNodes(NCMP_DATASPACE_NAME, SUBSCRIPTION_ANCHOR_NAME,
SUBSCRIPTION_IDS_CPS_PATH_QUERY.formatted(subscriptionId),
FetchDescendantsOption.OMIT_DESCENDANTS).isEmpty();
}
@Override
public Collection<String> getOngoingCmNotificationSubscriptionIds(final DatastoreType datastoreType,
final String cmHandleId, final String xpath) {
final String isOngoingCmSubscriptionCpsPathQuery =
IS_ONGOING_CM_SUBSCRIPTION_CPS_PATH_QUERY.formatted(datastoreType.getDatastoreName(), cmHandleId,
escapeQuotesByDoublingThem(xpath));
final Collection<DataNode> existingNodes =
cpsQueryService.queryDataNodes(NCMP_DATASPACE_NAME, CM_SUBSCRIPTIONS_ANCHOR_NAME,
isOngoingCmSubscriptionCpsPathQuery, FetchDescendantsOption.OMIT_DESCENDANTS);
if (existingNodes.isEmpty()) {
return Collections.emptyList();
}
return (List<String>) existingNodes.iterator().next().getLeaves().get("subscriptionIds");
}
private static String escapeQuotesByDoublingThem(final String inputXpath) {
return inputXpath.replace("'", "''");
}
}
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