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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2023 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;
import io.cloudevents.CloudEvent;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.ncmp.api.NcmpEventResponseCode;
import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionStatus;
import org.onap.cps.ncmp.api.impl.utils.DataNodeHelper;
import org.onap.cps.ncmp.api.impl.utils.SubscriptionOutcomeCloudMapper;
import org.onap.cps.ncmp.api.models.CmSubscriptionEvent;
import org.onap.cps.ncmp.api.models.CmSubscriptionStatus;
import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_client.CmSubscriptionNcmpOutEvent;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
@Component
@Slf4j
@RequiredArgsConstructor
public class CmSubscriptionNcmpOutEventPublisher {
private final SubscriptionPersistence subscriptionPersistence;
private final EventsPublisher<CloudEvent> outcomeEventsPublisher;
private final CmSubscriptionEventToCmSubscriptionNcmpOutEventMapper
cmSubscriptionEventToCmSubscriptionNcmpOutEventMapper;
private final SubscriptionOutcomeCloudMapper subscriptionOutcomeCloudMapper;
@Value("${app.ncmp.avc.subscription-outcome-topic:subscription-response}")
private String subscriptionOutcomeEventTopic;
/**
* This is for construction of outcome message to be published for client apps.
*
* @param cmSubscriptionEvent event produced by Dmi Plugin
*/
public void sendResponse(final CmSubscriptionEvent cmSubscriptionEvent, final String eventType) {
final CmSubscriptionNcmpOutEvent cmSubscriptionNcmpOutEvent =
formCmSubscriptionNcmpOutEvent(cmSubscriptionEvent);
final String subscriptionClientId = cmSubscriptionEvent.getClientId();
final String subscriptionName = cmSubscriptionEvent.getSubscriptionName();
final String subscriptionEventId = subscriptionClientId + subscriptionName;
final CloudEvent subscriptionOutcomeCloudEvent =
subscriptionOutcomeCloudMapper.toCloudEvent(cmSubscriptionNcmpOutEvent,
subscriptionEventId, eventType);
outcomeEventsPublisher.publishCloudEvent(subscriptionOutcomeEventTopic,
subscriptionEventId, subscriptionOutcomeCloudEvent);
}
private CmSubscriptionNcmpOutEvent formCmSubscriptionNcmpOutEvent(
final CmSubscriptionEvent cmSubscriptionEvent) {
final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap =
DataNodeHelper.cmHandleIdToStatusAndDetailsAsMapFromDataNode(
subscriptionPersistence.getCmHandlesForSubscriptionEvent(
cmSubscriptionEvent.getClientId(),
cmSubscriptionEvent.getSubscriptionName()));
final List<CmSubscriptionStatus> cmSubscriptionStatusList =
mapCmHandleIdStatusDetailsMapToSubscriptionStatusList(cmHandleIdToStatusAndDetailsAsMap);
cmSubscriptionEvent.setCmSubscriptionStatus(cmSubscriptionStatusList);
return fromCmSubscriptionEvent(cmSubscriptionEvent,
decideOnNcmpEventResponseCodeForSubscription(cmHandleIdToStatusAndDetailsAsMap));
}
private static List<CmSubscriptionStatus> mapCmHandleIdStatusDetailsMapToSubscriptionStatusList(
final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap) {
return cmHandleIdToStatusAndDetailsAsMap.entrySet()
.stream().map(entryset -> {
final CmSubscriptionStatus cmSubscriptionStatus = new CmSubscriptionStatus();
final String cmHandleId = entryset.getKey();
final Map<String, String> statusAndDetailsMap = entryset.getValue();
final String status = statusAndDetailsMap.get("status");
final String details = statusAndDetailsMap.get("details");
cmSubscriptionStatus.setId(cmHandleId);
cmSubscriptionStatus.setStatus(SubscriptionStatus.fromString(status));
cmSubscriptionStatus.setDetails(details);
return cmSubscriptionStatus;
}).collect(Collectors.toList());
}
private NcmpEventResponseCode decideOnNcmpEventResponseCodeForSubscription(
final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap) {
final boolean isAllTargetsPending = isAllTargetCmHandleStatusMatch(cmHandleIdToStatusAndDetailsAsMap,
SubscriptionStatus.PENDING);
final boolean isAllTargetsRejected = isAllTargetCmHandleStatusMatch(cmHandleIdToStatusAndDetailsAsMap,
SubscriptionStatus.REJECTED);
final boolean isAllTargetsAccepted = isAllTargetCmHandleStatusMatch(cmHandleIdToStatusAndDetailsAsMap,
SubscriptionStatus.ACCEPTED);
if (isAllTargetsAccepted) {
return NcmpEventResponseCode.SUCCESSFULLY_APPLIED_SUBSCRIPTION;
} else if (isAllTargetsRejected) {
return NcmpEventResponseCode.SUBSCRIPTION_NOT_APPLICABLE;
} else if (isAllTargetsPending) {
return NcmpEventResponseCode.SUBSCRIPTION_PENDING;
} else {
return NcmpEventResponseCode.PARTIALLY_APPLIED_SUBSCRIPTION;
}
}
private boolean isAllTargetCmHandleStatusMatch(
final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap,
final SubscriptionStatus subscriptionStatus) {
return cmHandleIdToStatusAndDetailsAsMap.values().stream()
.allMatch(entryset -> entryset.containsValue(subscriptionStatus.toString()));
}
private CmSubscriptionNcmpOutEvent fromCmSubscriptionEvent(
final CmSubscriptionEvent cmSubscriptionEvent,
final NcmpEventResponseCode ncmpEventResponseCode) {
final CmSubscriptionNcmpOutEvent cmSubscriptionNcmpOutEvent =
cmSubscriptionEventToCmSubscriptionNcmpOutEventMapper.toCmSubscriptionNcmpOutEvent(
cmSubscriptionEvent);
cmSubscriptionNcmpOutEvent.getData().setStatusCode(Integer.parseInt(ncmpEventResponseCode.getStatusCode()));
cmSubscriptionNcmpOutEvent.getData().setStatusMessage(ncmpEventResponseCode.getStatusMessage());
return cmSubscriptionNcmpOutEvent;
}
}
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