cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/avcsubscription/SubscriptionEventResponseOutcome.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.avcsubscription;
  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.avcsubscription1_0_0.dmi_to_ncmp.SubscriptionEventResponse;
  36 import org.onap.cps.ncmp.events.avcsubscription1_0_0.ncmp_to_client.SubscriptionEventOutcome;
  37 import org.springframework.beans.factory.annotation.Value;
  38 import org.springframework.stereotype.Component;
  39
  40 @Component
  41 @Slf4j
  42 @RequiredArgsConstructor
  43 public class SubscriptionEventResponseOutcome {
  44
  45     private final SubscriptionPersistence subscriptionPersistence;
  46
  47     private final EventsPublisher<CloudEvent> outcomeEventsPublisher;
  48
  49     private final SubscriptionOutcomeMapper subscriptionOutcomeMapper;
  50
  51     @Value("${app.ncmp.avc.subscription-outcome-topic:subscription-response}")
  52     private String subscriptionOutcomeEventTopic;
  53
  54     /**
  55      * This is for construction of outcome message to be published for client apps.
  56      *
  57      * @param subscriptionEventResponse event produced by Dmi Plugin
  58      */
  59     public void sendResponse(final SubscriptionEventResponse subscriptionEventResponse, final String eventKey) {
  60         final SubscriptionEventOutcome subscriptionEventOutcome =
  61                 formSubscriptionOutcomeMessage(subscriptionEventResponse);
  62         final String subscriptionClientId = subscriptionEventResponse.getData().getClientId();
  63         final String subscriptionName = subscriptionEventResponse.getData().getSubscriptionName();
  64         final String subscriptionEventId = subscriptionClientId + subscriptionName;
  65         final CloudEvent subscriptionOutcomeCloudEvent =
  66                 SubscriptionOutcomeCloudMapper.toCloudEvent(subscriptionEventOutcome,
  67                 subscriptionEventId, eventKey);
  68         outcomeEventsPublisher.publishCloudEvent(subscriptionOutcomeEventTopic,
  69                 subscriptionEventId, subscriptionOutcomeCloudEvent);
  70     }
  71
  72     private SubscriptionEventOutcome formSubscriptionOutcomeMessage(
  73             final SubscriptionEventResponse subscriptionEventResponse) {
  74         final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap =
  75                 DataNodeHelper.cmHandleIdToStatusAndDetailsAsMapFromDataNode(
  76                 subscriptionPersistence.getCmHandlesForSubscriptionEvent(
  77                         subscriptionEventResponse.getData().getClientId(),
  78                         subscriptionEventResponse.getData().getSubscriptionName()));
  79         final List<org.onap.cps.ncmp.events.avcsubscription1_0_0.dmi_to_ncmp.SubscriptionStatus>
  80                 subscriptionStatusList = mapCmHandleIdStatusDetailsMapToSubscriptionStatusList(
  81                         cmHandleIdToStatusAndDetailsAsMap);
  82         subscriptionEventResponse.getData().setSubscriptionStatus(subscriptionStatusList);
  83         return fromSubscriptionEventResponse(subscriptionEventResponse,
  84                 decideOnNcmpEventResponseCodeForSubscription(cmHandleIdToStatusAndDetailsAsMap));
  85     }
  86
  87     private static List<org.onap.cps.ncmp.events.avcsubscription1_0_0.dmi_to_ncmp.SubscriptionStatus>
  88         mapCmHandleIdStatusDetailsMapToSubscriptionStatusList(
  89             final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap) {
  90         return cmHandleIdToStatusAndDetailsAsMap.entrySet()
  91                 .stream().map(entryset -> {
  92                     final org.onap.cps.ncmp.events.avcsubscription1_0_0.dmi_to_ncmp.SubscriptionStatus
  93                             subscriptionStatus = new org.onap.cps.ncmp.events.avcsubscription1_0_0
  94                             .dmi_to_ncmp.SubscriptionStatus();
  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                     subscriptionStatus.setId(cmHandleId);
 100                     subscriptionStatus.setStatus(
 101                             org.onap.cps.ncmp.events.avcsubscription1_0_0.dmi_to_ncmp
 102                                     .SubscriptionStatus.Status.fromValue(status));
 103                     subscriptionStatus.setDetails(details);
 104                     return subscriptionStatus;
 105                 }).collect(Collectors.toList());
 106     }
 107
 108     private NcmpEventResponseCode decideOnNcmpEventResponseCodeForSubscription(
 109             final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap) {
 110
 111         final boolean isAllTargetsPending = isAllTargetCmHandleStatusMatch(cmHandleIdToStatusAndDetailsAsMap,
 112                 SubscriptionStatus.PENDING);
 113
 114         final boolean isAllTargetsRejected = isAllTargetCmHandleStatusMatch(cmHandleIdToStatusAndDetailsAsMap,
 115                 SubscriptionStatus.REJECTED);
 116
 117         final boolean isAllTargetsAccepted = isAllTargetCmHandleStatusMatch(cmHandleIdToStatusAndDetailsAsMap,
 118                 SubscriptionStatus.ACCEPTED);
 119
 120         if (isAllTargetsAccepted) {
 121             return NcmpEventResponseCode.SUCCESSFULLY_APPLIED_SUBSCRIPTION;
 122         } else if (isAllTargetsRejected) {
 123             return NcmpEventResponseCode.SUBSCRIPTION_NOT_APPLICABLE;
 124         } else if (isAllTargetsPending) {
 125             return NcmpEventResponseCode.SUBSCRIPTION_PENDING;
 126         } else {
 127             return NcmpEventResponseCode.PARTIALLY_APPLIED_SUBSCRIPTION;
 128         }
 129     }
 130
 131     private boolean isAllTargetCmHandleStatusMatch(
 132             final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap,
 133             final SubscriptionStatus subscriptionStatus) {
 134         return cmHandleIdToStatusAndDetailsAsMap.values().stream()
 135                 .allMatch(entryset -> entryset.containsValue(subscriptionStatus.toString()));
 136     }
 137
 138     private SubscriptionEventOutcome fromSubscriptionEventResponse(
 139             final SubscriptionEventResponse subscriptionEventResponse,
 140             final NcmpEventResponseCode ncmpEventResponseCode) {
 141
 142         final SubscriptionEventOutcome subscriptionEventOutcome =
 143                 subscriptionOutcomeMapper.toSubscriptionEventOutcome(subscriptionEventResponse);
 144         subscriptionEventOutcome.getData().setStatusCode(Integer.parseInt(ncmpEventResponseCode.getStatusCode()));
 145         subscriptionEventOutcome.getData().setStatusMessage(ncmpEventResponseCode.getStatusMessage());
 146
 147         return subscriptionEventOutcome;
 148     }
 149 }