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 static org.onap.cps.ncmp.api.NcmpResponseStatus.PARTIALLY_APPLIED_SUBSCRIPTION;
  24 import static org.onap.cps.ncmp.api.NcmpResponseStatus.SUBSCRIPTION_NOT_APPLICABLE;
  25 import static org.onap.cps.ncmp.api.NcmpResponseStatus.SUBSCRIPTION_PENDING;
  26 import static org.onap.cps.ncmp.api.NcmpResponseStatus.SUCCESSFULLY_APPLIED_SUBSCRIPTION;
  27 import static org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionStatus.ACCEPTED;
  28 import static org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionStatus.PENDING;
  29 import static org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionStatus.REJECTED;
  30
  31 import io.cloudevents.CloudEvent;
  32 import java.util.List;
  33 import java.util.Map;
  34 import lombok.RequiredArgsConstructor;
  35 import lombok.extern.slf4j.Slf4j;
  36 import org.onap.cps.ncmp.api.NcmpResponseStatus;
  37 import org.onap.cps.ncmp.api.impl.events.EventsPublisher;
  38 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionPersistence;
  39 import org.onap.cps.ncmp.api.impl.subscriptions.SubscriptionStatus;
  40 import org.onap.cps.ncmp.api.impl.utils.DataNodeHelper;
  41 import org.onap.cps.ncmp.api.impl.utils.SubscriptionOutcomeCloudMapper;
  42 import org.onap.cps.ncmp.api.models.CmSubscriptionEvent;
  43 import org.onap.cps.ncmp.api.models.CmSubscriptionStatus;
  44 import org.onap.cps.ncmp.events.cmsubscription1_0_0.ncmp_to_client.CmSubscriptionNcmpOutEvent;
  45 import org.springframework.beans.factory.annotation.Value;
  46 import org.springframework.stereotype.Component;
  47
  48 @Component
  49 @Slf4j
  50 @RequiredArgsConstructor
  51 public class CmSubscriptionNcmpOutEventPublisher {
  52
  53     private final SubscriptionPersistence subscriptionPersistence;
  54
  55     private final EventsPublisher<CloudEvent> outcomeEventsPublisher;
  56
  57     private final CmSubscriptionEventToCmSubscriptionNcmpOutEventMapper
  58             cmSubscriptionEventToCmSubscriptionNcmpOutEventMapper;
  59
  60     private final SubscriptionOutcomeCloudMapper subscriptionOutcomeCloudMapper;
  61
  62     @Value("${app.ncmp.avc.subscription-outcome-topic:subscription-response}")
  63     private String subscriptionOutcomeEventTopic;
  64
  65     /**
  66      * This is for construction of outcome message to be published for client apps.
  67      *
  68      * @param cmSubscriptionEvent event produced by Dmi Plugin
  69      */
  70     public void sendResponse(final CmSubscriptionEvent cmSubscriptionEvent, final String eventType) {
  71         final CmSubscriptionNcmpOutEvent cmSubscriptionNcmpOutEvent =
  72                 formCmSubscriptionNcmpOutEvent(cmSubscriptionEvent);
  73         final String subscriptionClientId = cmSubscriptionEvent.getClientId();
  74         final String subscriptionName = cmSubscriptionEvent.getSubscriptionName();
  75         final String subscriptionEventId = subscriptionClientId + subscriptionName;
  76         final CloudEvent subscriptionOutcomeCloudEvent =
  77                 subscriptionOutcomeCloudMapper.toCloudEvent(cmSubscriptionNcmpOutEvent,
  78                 subscriptionEventId, eventType);
  79         outcomeEventsPublisher.publishCloudEvent(subscriptionOutcomeEventTopic,
  80                 subscriptionEventId, subscriptionOutcomeCloudEvent);
  81     }
  82
  83     private CmSubscriptionNcmpOutEvent formCmSubscriptionNcmpOutEvent(
  84             final CmSubscriptionEvent cmSubscriptionEvent) {
  85         final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap =
  86                 DataNodeHelper.cmHandleIdToStatusAndDetailsAsMapFromDataNode(
  87                         subscriptionPersistence.getCmHandlesForSubscriptionEvent(
  88                                 cmSubscriptionEvent.getClientId(),
  89                                 cmSubscriptionEvent.getSubscriptionName()));
  90         final List<CmSubscriptionStatus> cmSubscriptionStatusList =
  91                 mapCmHandleIdStatusDetailsMapToSubscriptionStatusList(cmHandleIdToStatusAndDetailsAsMap);
  92         cmSubscriptionEvent.setCmSubscriptionStatus(cmSubscriptionStatusList);
  93         return fromCmSubscriptionEvent(cmSubscriptionEvent,
  94                 decideOnNcmpEventResponseCodeForSubscription(cmHandleIdToStatusAndDetailsAsMap));
  95     }
  96
  97     private static List<CmSubscriptionStatus> mapCmHandleIdStatusDetailsMapToSubscriptionStatusList(
  98             final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap) {
  99         return cmHandleIdToStatusAndDetailsAsMap.entrySet()
 100                 .stream().map(entryset -> {
 101                     final CmSubscriptionStatus cmSubscriptionStatus = new CmSubscriptionStatus();
 102                     final String cmHandleId = entryset.getKey();
 103                     final Map<String, String> statusAndDetailsMap = entryset.getValue();
 104                     final String status = statusAndDetailsMap.get("status");
 105                     final String details = statusAndDetailsMap.get("details");
 106                     cmSubscriptionStatus.setId(cmHandleId);
 107                     cmSubscriptionStatus.setStatus(SubscriptionStatus.fromString(status));
 108                     cmSubscriptionStatus.setDetails(details);
 109                     return cmSubscriptionStatus;
 110                 }).toList();
 111     }
 112
 113     private NcmpResponseStatus decideOnNcmpEventResponseCodeForSubscription(
 114             final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap) {
 115
 116         if (allTargetsHaveStatus(cmHandleIdToStatusAndDetailsAsMap, ACCEPTED)) {
 117             return SUCCESSFULLY_APPLIED_SUBSCRIPTION;
 118         }
 119         if (allTargetsHaveStatus(cmHandleIdToStatusAndDetailsAsMap, REJECTED)) {
 120             return SUBSCRIPTION_NOT_APPLICABLE;
 121         }
 122         if (allTargetsHaveStatus(cmHandleIdToStatusAndDetailsAsMap, PENDING)) {
 123             return SUBSCRIPTION_PENDING;
 124         }
 125         return PARTIALLY_APPLIED_SUBSCRIPTION;
 126     }
 127
 128     private boolean allTargetsHaveStatus(final Map<String, Map<String, String>> cmHandleIdToStatusAndDetailsAsMap,
 129                                          final SubscriptionStatus subscriptionStatus) {
 130         return cmHandleIdToStatusAndDetailsAsMap.values().stream()
 131                 .allMatch(entryset -> entryset.containsValue(subscriptionStatus.toString()));
 132     }
 133
 134     private CmSubscriptionNcmpOutEvent fromCmSubscriptionEvent(
 135             final CmSubscriptionEvent cmSubscriptionEvent,
 136             final NcmpResponseStatus ncmpResponseStatus) {
 137
 138         final CmSubscriptionNcmpOutEvent cmSubscriptionNcmpOutEvent =
 139                 cmSubscriptionEventToCmSubscriptionNcmpOutEventMapper.toCmSubscriptionNcmpOutEvent(
 140                         cmSubscriptionEvent);
 141         cmSubscriptionNcmpOutEvent.getData().setStatusCode(Integer.parseInt(ncmpResponseStatus.getCode()));
 142         cmSubscriptionNcmpOutEvent.getData().setStatusMessage(ncmpResponseStatus.getMessage());
 143
 144         return cmSubscriptionNcmpOutEvent;
 145     }
 146 }