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.events.cmsubscription1_0_0.dmi_to_ncmp.CmSubscriptionDmiOutEvent;
  36 import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_client.CmSubscriptionNcmpOutEvent;
  37 import org.springframework.beans.factory.annotation.Value;
  38 import org.springframework.stereotype.Component;
  39
  40 @Component
  41 @Slf4j
  42 @RequiredArgsConstructor
  43 public class CmSubscriptionNcmpOutEventPublisher {
  44
  45     private final SubscriptionPersistence subscriptionPersistence;
  46
  47     private final EventsPublisher<CloudEvent> outcomeEventsPublisher;
  48
  49     private final CmSubscriptionDmiOutEventToCmSubscriptionNcmpOutEventMapper
  50             cmSubscriptionDmiOutEventToCmSubscriptionNcmpOutEventMapper;
  51
  52     private final SubscriptionOutcomeCloudMapper subscriptionOutcomeCloudMapper;
  53
  54     @Value("${app.ncmp.avc.subscription-outcome-topic:subscription-response}")
  55     private String subscriptionOutcomeEventTopic;
  56
  57     /**
  58      * This is for construction of outcome message to be published for client apps.
  59      *
  60      * @param cmSubscriptionDmiOutEvent event produced by Dmi Plugin
  61      */
  62     public void sendResponse(final CmSubscriptionDmiOutEvent cmSubscriptionDmiOutEvent, final String eventKey) {
  63         final CmSubscriptionNcmpOutEvent cmSubscriptionNcmpOutEvent =
  64                 formCmSubscriptionNcmpOutEvent(cmSubscriptionDmiOutEvent);
  65         final String subscriptionClientId = cmSubscriptionDmiOutEvent.getData().getClientId();
  66         final String subscriptionName = cmSubscriptionDmiOutEvent.getData().getSubscriptionName();
  67         final String subscriptionEventId = subscriptionClientId + subscriptionName;
  68         final CloudEvent subscriptionOutcomeCloudEvent =
  69                 subscriptionOutcomeCloudMapper.toCloudEvent(cmSubscriptionNcmpOutEvent,
  70                 subscriptionEventId, eventKey);
  71         outcomeEventsPublisher.publishCloudEvent(subscriptionOutcomeEventTopic,
  72                 subscriptionEventId, subscriptionOutcomeCloudEvent);
  73     }
  74
  75     private CmSubscriptionNcmpOutEvent formCmSubscriptionNcmpOutEvent(
  76             final CmSubscriptionDmiOutEvent cmSubscriptionDmiOutEvent) {
  77         final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap =
  78                 DataNodeHelper.cmHandleIdToStatusAndDetailsAsMapFromDataNode(
  79                         subscriptionPersistence.getCmHandlesForSubscriptionEvent(
  80                                 cmSubscriptionDmiOutEvent.getData().getClientId(),
  81                                 cmSubscriptionDmiOutEvent.getData().getSubscriptionName()));
  82         final List<org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.SubscriptionStatus>
  83                 subscriptionStatusList =
  84                 mapCmHandleIdStatusDetailsMapToSubscriptionStatusList(cmHandleIdToStatusAndDetailsAsMap);
  85         cmSubscriptionDmiOutEvent.getData().setSubscriptionStatus(subscriptionStatusList);
  86         return fromDmiOutEvent(cmSubscriptionDmiOutEvent,
  87                 decideOnNcmpEventResponseCodeForSubscription(cmHandleIdToStatusAndDetailsAsMap));
  88     }
  89
  90     private static List<org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.SubscriptionStatus>
  91         mapCmHandleIdStatusDetailsMapToSubscriptionStatusList(
  92             final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap) {
  93         return cmHandleIdToStatusAndDetailsAsMap.entrySet()
  94                 .stream().map(entryset -> {
  95                     final org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp.SubscriptionStatus
  96                             subscriptionStatus = new org.onap.cps.ncmp.events.cmsubscription1_0_0
  97                             .dmi_to_ncmp.SubscriptionStatus();
  98                     final String cmHandleId = entryset.getKey();
  99                     final Map<String, String> statusAndDetailsMap = entryset.getValue();
 100                     final String status = statusAndDetailsMap.get("status");
 101                     final String details = statusAndDetailsMap.get("details");
 102                     subscriptionStatus.setId(cmHandleId);
 103                     subscriptionStatus.setStatus(
 104                             org.onap.cps.ncmp.events.cmsubscription1_0_0.dmi_to_ncmp
 105                                     .SubscriptionStatus.Status.fromValue(status));
 106                     subscriptionStatus.setDetails(details);
 107                     return subscriptionStatus;
 108                 }).collect(Collectors.toList());
 109     }
 110
 111     private NcmpEventResponseCode decideOnNcmpEventResponseCodeForSubscription(
 112             final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap) {
 113
 114         final boolean isAllTargetsPending = isAllTargetCmHandleStatusMatch(cmHandleIdToStatusAndDetailsAsMap,
 115                 SubscriptionStatus.PENDING);
 116
 117         final boolean isAllTargetsRejected = isAllTargetCmHandleStatusMatch(cmHandleIdToStatusAndDetailsAsMap,
 118                 SubscriptionStatus.REJECTED);
 119
 120         final boolean isAllTargetsAccepted = isAllTargetCmHandleStatusMatch(cmHandleIdToStatusAndDetailsAsMap,
 121                 SubscriptionStatus.ACCEPTED);
 122
 123         if (isAllTargetsAccepted) {
 124             return NcmpEventResponseCode.SUCCESSFULLY_APPLIED_SUBSCRIPTION;
 125         } else if (isAllTargetsRejected) {
 126             return NcmpEventResponseCode.SUBSCRIPTION_NOT_APPLICABLE;
 127         } else if (isAllTargetsPending) {
 128             return NcmpEventResponseCode.SUBSCRIPTION_PENDING;
 129         } else {
 130             return NcmpEventResponseCode.PARTIALLY_APPLIED_SUBSCRIPTION;
 131         }
 132     }
 133
 134     private boolean isAllTargetCmHandleStatusMatch(
 135             final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap,
 136             final SubscriptionStatus subscriptionStatus) {
 137         return cmHandleIdToStatusAndDetailsAsMap.values().stream()
 138                 .allMatch(entryset -> entryset.containsValue(subscriptionStatus.toString()));
 139     }
 140
 141     private CmSubscriptionNcmpOutEvent fromDmiOutEvent(
 142             final CmSubscriptionDmiOutEvent cmSubscriptionDmiOutEvent,
 143             final NcmpEventResponseCode ncmpEventResponseCode) {
 144
 145         final CmSubscriptionNcmpOutEvent cmSubscriptionNcmpOutEvent =
 146                 cmSubscriptionDmiOutEventToCmSubscriptionNcmpOutEventMapper.toCmSubscriptionNcmpOutEvent(
 147                         cmSubscriptionDmiOutEvent);
 148         cmSubscriptionNcmpOutEvent.getData().setStatusCode(Integer.parseInt(ncmpEventResponseCode.getStatusCode()));
 149         cmSubscriptionNcmpOutEvent.getData().setStatusMessage(ncmpEventResponseCode.getStatusMessage());
 150
 151         return cmSubscriptionNcmpOutEvent;
 152     }
 153 }