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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.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import lombok.RequiredArgsConstructor;
import org.onap.cps.ncmp.api.impl.events.cmsubscription.CmNotificationSubscriptionDelta;
import org.onap.cps.ncmp.api.impl.events.cmsubscription.CmNotificationSubscriptionEventsHandler;
import org.onap.cps.ncmp.api.impl.events.cmsubscription.CmNotificationSubscriptionMappersHandler;
import org.onap.cps.ncmp.api.impl.events.cmsubscription.DmiCmNotificationSubscriptionCacheHandler;
import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.DmiCmNotificationSubscriptionDetails;
import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.DmiCmNotificationSubscriptionPredicate;
import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.client_to_ncmp.CmNotificationSubscriptionNcmpInEvent;
import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.client_to_ncmp.Predicate;
import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.ncmp_to_dmi.CmNotificationSubscriptionDmiInEvent;
import org.onap.cps.ncmp.events.cmsubscription_merge1_0_0.ncmp_to_client.CmNotificationSubscriptionNcmpOutEvent;
import org.springframework.stereotype.Service;
@Service
@RequiredArgsConstructor
public class CmNotificationSubscriptionHandlerServiceImpl implements CmNotificationSubscriptionHandlerService {
private final CmNotificationSubscriptionPersistenceService cmNotificationSubscriptionPersistenceService;
private final CmNotificationSubscriptionDelta cmNotificationSubscriptionDelta;
private final CmNotificationSubscriptionMappersHandler cmNotificationSubscriptionMappersHandler;
private final CmNotificationSubscriptionEventsHandler cmNotificationSubscriptionEventsHandler;
private final DmiCmNotificationSubscriptionCacheHandler dmiCmNotificationSubscriptionCacheHandler;
@Override
public void processSubscriptionCreateRequest(
final CmNotificationSubscriptionNcmpInEvent cmNotificationSubscriptionNcmpInEvent) {
final String subscriptionId = cmNotificationSubscriptionNcmpInEvent.getData().getSubscriptionId();
final List<Predicate> predicates = cmNotificationSubscriptionNcmpInEvent.getData().getPredicates();
if (cmNotificationSubscriptionPersistenceService.isUniqueSubscriptionId(subscriptionId)) {
dmiCmNotificationSubscriptionCacheHandler.add(subscriptionId, predicates);
sendSubscriptionCreateRequestToDmi(subscriptionId);
scheduleCmNotificationSubscriptionNcmpOutEventResponse(subscriptionId);
} else {
rejectAndPublishCmNotificationSubscriptionCreateRequest(subscriptionId,
predicates);
}
}
private void scheduleCmNotificationSubscriptionNcmpOutEventResponse(final String subscriptionId) {
cmNotificationSubscriptionEventsHandler.publishCmNotificationSubscriptionNcmpOutEvent(subscriptionId,
"subscriptionCreateResponse", null, true);
}
private void rejectAndPublishCmNotificationSubscriptionCreateRequest(final String subscriptionId,
final List<Predicate> predicates) {
final Set<String> subscriptionTargetFilters =
predicates.stream().flatMap(predicate -> predicate.getTargetFilter().stream())
.collect(Collectors.toSet());
final CmNotificationSubscriptionNcmpOutEvent cmNotificationSubscriptionNcmpOutEvent =
cmNotificationSubscriptionMappersHandler.toCmNotificationSubscriptionNcmpOutEventForRejectedRequest(
subscriptionId, new ArrayList<>(subscriptionTargetFilters));
cmNotificationSubscriptionEventsHandler.publishCmNotificationSubscriptionNcmpOutEvent(subscriptionId,
"subscriptionCreateResponse", cmNotificationSubscriptionNcmpOutEvent, false);
}
private void sendSubscriptionCreateRequestToDmi(final String subscriptionId) {
final Map<String, DmiCmNotificationSubscriptionDetails> dmiCmNotificationSubscriptionDetailsMap =
dmiCmNotificationSubscriptionCacheHandler.get(subscriptionId);
dmiCmNotificationSubscriptionDetailsMap.forEach((dmiPluginName, dmiCmNotificationSubscriptionDetails) -> {
final List<DmiCmNotificationSubscriptionPredicate> dmiCmNotificationSubscriptionPredicates =
cmNotificationSubscriptionDelta.getDelta(
dmiCmNotificationSubscriptionDetails.getDmiCmNotificationSubscriptionPredicates());
final CmNotificationSubscriptionDmiInEvent cmNotificationSubscriptionDmiInEvent =
cmNotificationSubscriptionMappersHandler.toCmNotificationSubscriptionDmiInEvent(
dmiCmNotificationSubscriptionPredicates);
cmNotificationSubscriptionEventsHandler.publishCmNotificationSubscriptionDmiInEvent(subscriptionId,
dmiPluginName, "subscriptionCreateRequest", cmNotificationSubscriptionDmiInEvent);
});
}
}
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