cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmSubscriptionNcmpOutEventPublisher.java

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2023 Nordix Foundation
   4  *  ================================================================================
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *        http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  *
  17  *  SPDX-License-Identifier: Apache-2.0
  18  *  ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.cps.ncmp.api.impl.events.cmsubscription;
  22
  23 import io.cloudevents.CloudEvent;
  24 import java.util.List;
  25 import java.util.Map;
  26 import java.util.stream.Collectors;
  27 import lombok.RequiredArgsConstructor;
  28 import lombok.extern.slf4j.Slf4j;
  29 import org.onap.cps.ncmp.api.NcmpEventResponseCode;
  30 import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
  31 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
  32 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionStatus;
  33 import org.onap.cps.ncmp.api.impl.utils.DataNodeHelper;
  34 import org.onap.cps.ncmp.api.impl.utils.SubscriptionOutcomeCloudMapper;
  35 import org.onap.cps.ncmp.api.models.CmSubscriptionEvent;
  36 import org.onap.cps.ncmp.api.models.CmSubscriptionStatus;
  37 import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_client.CmSubscriptionNcmpOutEvent;
  38 import org.springframework.beans.factory.annotation.Value;
  39 import org.springframework.stereotype.Component;
  40
  41 @Component
  42 @Slf4j
  43 @RequiredArgsConstructor
  44 public class CmSubscriptionNcmpOutEventPublisher {
  45
  46     private final SubscriptionPersistence subscriptionPersistence;
  47
  48     private final EventsPublisher<CloudEvent> outcomeEventsPublisher;
  49
  50     private final CmSubscriptionEventToCmSubscriptionNcmpOutEventMapper
  51             cmSubscriptionEventToCmSubscriptionNcmpOutEventMapper;
  52
  53     private final SubscriptionOutcomeCloudMapper subscriptionOutcomeCloudMapper;
  54
  55     @Value("${app.ncmp.avc.subscription-outcome-topic:subscription-response}")
  56     private String subscriptionOutcomeEventTopic;
  57
  58     /**
  59      * This is for construction of outcome message to be published for client apps.
  60      *
  61      * @param cmSubscriptionEvent event produced by Dmi Plugin
  62      */
  63     public void sendResponse(final CmSubscriptionEvent cmSubscriptionEvent, final String eventType) {
  64         final CmSubscriptionNcmpOutEvent cmSubscriptionNcmpOutEvent =
  65                 formCmSubscriptionNcmpOutEvent(cmSubscriptionEvent);
  66         final String subscriptionClientId = cmSubscriptionEvent.getClientId();
  67         final String subscriptionName = cmSubscriptionEvent.getSubscriptionName();
  68         final String subscriptionEventId = subscriptionClientId + subscriptionName;
  69         final CloudEvent subscriptionOutcomeCloudEvent =
  70                 subscriptionOutcomeCloudMapper.toCloudEvent(cmSubscriptionNcmpOutEvent,
  71                 subscriptionEventId, eventType);
  72         outcomeEventsPublisher.publishCloudEvent(subscriptionOutcomeEventTopic,
  73                 subscriptionEventId, subscriptionOutcomeCloudEvent);
  74     }
  75
  76     private CmSubscriptionNcmpOutEvent formCmSubscriptionNcmpOutEvent(
  77             final CmSubscriptionEvent cmSubscriptionEvent) {
  78         final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap =
  79                 DataNodeHelper.cmHandleIdToStatusAndDetailsAsMapFromDataNode(
  80                         subscriptionPersistence.getCmHandlesForSubscriptionEvent(
  81                                 cmSubscriptionEvent.getClientId(),
  82                                 cmSubscriptionEvent.getSubscriptionName()));
  83         final List<CmSubscriptionStatus> cmSubscriptionStatusList =
  84                 mapCmHandleIdStatusDetailsMapToSubscriptionStatusList(cmHandleIdToStatusAndDetailsAsMap);
  85         cmSubscriptionEvent.setCmSubscriptionStatus(cmSubscriptionStatusList);
  86         return fromCmSubscriptionEvent(cmSubscriptionEvent,
  87                 decideOnNcmpEventResponseCodeForSubscription(cmHandleIdToStatusAndDetailsAsMap));
  88     }
  89
  90     private static List<CmSubscriptionStatus> mapCmHandleIdStatusDetailsMapToSubscriptionStatusList(
  91             final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap) {
  92         return cmHandleIdToStatusAndDetailsAsMap.entrySet()
  93                 .stream().map(entryset -> {
  94                     final CmSubscriptionStatus cmSubscriptionStatus = new CmSubscriptionStatus();
  95                     final String cmHandleId = entryset.getKey();
  96                     final Map<String, String> statusAndDetailsMap = entryset.getValue();
  97                     final String status = statusAndDetailsMap.get("status");
  98                     final String details = statusAndDetailsMap.get("details");
  99                     cmSubscriptionStatus.setId(cmHandleId);
 100                     cmSubscriptionStatus.setStatus(SubscriptionStatus.fromString(status));
 101                     cmSubscriptionStatus.setDetails(details);
 102                     return cmSubscriptionStatus;
 103                 }).collect(Collectors.toList());
 104     }
 105
 106     private NcmpEventResponseCode decideOnNcmpEventResponseCodeForSubscription(
 107             final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap) {
 108
 109         final boolean isAllTargetsPending = isAllTargetCmHandleStatusMatch(cmHandleIdToStatusAndDetailsAsMap,
 110                 SubscriptionStatus.PENDING);
 111
 112         final boolean isAllTargetsRejected = isAllTargetCmHandleStatusMatch(cmHandleIdToStatusAndDetailsAsMap,
 113                 SubscriptionStatus.REJECTED);
 114
 115         final boolean isAllTargetsAccepted = isAllTargetCmHandleStatusMatch(cmHandleIdToStatusAndDetailsAsMap,
 116                 SubscriptionStatus.ACCEPTED);
 117
 118         if (isAllTargetsAccepted) {
 119             return NcmpEventResponseCode.SUCCESSFULLY_APPLIED_SUBSCRIPTION;
 120         } else if (isAllTargetsRejected) {
 121             return NcmpEventResponseCode.SUBSCRIPTION_NOT_APPLICABLE;
 122         } else if (isAllTargetsPending) {
 123             return NcmpEventResponseCode.SUBSCRIPTION_PENDING;
 124         } else {
 125             return NcmpEventResponseCode.PARTIALLY_APPLIED_SUBSCRIPTION;
 126         }
 127     }
 128
 129     private boolean isAllTargetCmHandleStatusMatch(
 130             final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap,
 131             final SubscriptionStatus subscriptionStatus) {
 132         return cmHandleIdToStatusAndDetailsAsMap.values().stream()
 133                 .allMatch(entryset -> entryset.containsValue(subscriptionStatus.toString()));
 134     }
 135
 136     private CmSubscriptionNcmpOutEvent fromCmSubscriptionEvent(
 137             final CmSubscriptionEvent cmSubscriptionEvent,
 138             final NcmpEventResponseCode ncmpEventResponseCode) {
 139
 140         final CmSubscriptionNcmpOutEvent cmSubscriptionNcmpOutEvent =
 141                 cmSubscriptionEventToCmSubscriptionNcmpOutEventMapper.toCmSubscriptionNcmpOutEvent(
 142                         cmSubscriptionEvent);
 143         cmSubscriptionNcmpOutEvent.getData().setStatusCode(Integer.parseInt(ncmpEventResponseCode.getStatusCode()));
 144         cmSubscriptionNcmpOutEvent.getData().setStatusMessage(ncmpEventResponseCode.getStatusMessage());
 145
 146         return cmSubscriptionNcmpOutEvent;
 147     }
 148 }