gerrit.onap Code Review - cps.git/blob

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2024 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.impl.cmnotificationsubscription.dmi;
  22
  23 import static org.onap.cps.ncmp.api.NcmpResponseStatus.CM_DATA_SUBSCRIPTION_ACCEPTED;
  24 import static org.onap.cps.ncmp.api.NcmpResponseStatus.CM_DATA_SUBSCRIPTION_REJECTED;
  25 import static org.onap.cps.ncmp.utils.events.CloudEventMapper.toTargetEvent;
  26
  27 import io.cloudevents.CloudEvent;
  28 import java.util.Map;
  29 import lombok.RequiredArgsConstructor;
  30 import lombok.extern.slf4j.Slf4j;
  31 import org.apache.kafka.clients.consumer.ConsumerRecord;
  32 import org.onap.cps.ncmp.api.NcmpResponseStatus;
  33 import org.onap.cps.ncmp.impl.cmnotificationsubscription.EventsFacade;
  34 import org.onap.cps.ncmp.impl.cmnotificationsubscription.MappersFacade;
  35 import org.onap.cps.ncmp.impl.cmnotificationsubscription.cache.DmiCacheHandler;
  36 import org.onap.cps.ncmp.impl.cmnotificationsubscription.models.CmSubscriptionStatus;
  37 import org.onap.cps.ncmp.impl.cmnotificationsubscription.models.DmiCmSubscriptionDetails;
  38 import org.onap.cps.ncmp.impl.cmnotificationsubscription_1_0_0.dmi_to_ncmp.Data;
  39 import org.onap.cps.ncmp.impl.cmnotificationsubscription_1_0_0.dmi_to_ncmp.DmiOutEvent;
  40 import org.onap.cps.ncmp.impl.cmnotificationsubscription_1_0_0.ncmp_to_client.NcmpOutEvent;
  41 import org.springframework.kafka.annotation.KafkaListener;
  42 import org.springframework.stereotype.Component;
  43
  44 @Component
  45 @Slf4j
  46 @RequiredArgsConstructor
  47 public class DmiOutEventConsumer {
  48
  49     private final DmiCacheHandler dmiCacheHandler;
  50     private final EventsFacade eventsFacade;
  51     private final MappersFacade mappersFacade;
  52
  53     private static final String CM_SUBSCRIPTION_CORRELATION_ID_SEPARATOR = "#";
  54
  55     /**
  56      * Consume the Cm Notification Subscription event from the dmi-plugin.
  57      *
  58      * @param dmiOutEventAsConsumerRecord the event to be consumed
  59      */
  60     @KafkaListener(topics = "${app.ncmp.avc.cm-subscription-dmi-out}",
  61             containerFactory = "cloudEventConcurrentKafkaListenerContainerFactory")
  62     public void consumeDmiOutEvent(final ConsumerRecord<String, CloudEvent> dmiOutEventAsConsumerRecord) {
  63         final CloudEvent cloudEvent = dmiOutEventAsConsumerRecord.value();
  64         final DmiOutEvent dmiOutEvent = toTargetEvent(cloudEvent, DmiOutEvent.class);
  65         final String correlationId = String.valueOf(cloudEvent.getExtension("correlationid"));
  66         if (dmiOutEvent != null && correlationId != null) {
  67             final String eventType = cloudEvent.getType();
  68             handleDmiOutEvent(correlationId, eventType, dmiOutEvent);
  69         }
  70     }
  71
  72     private void handleDmiOutEvent(final String correlationId, final String eventType,
  73             final DmiOutEvent dmiOutEvent) {
  74         final String subscriptionId = correlationId.split(CM_SUBSCRIPTION_CORRELATION_ID_SEPARATOR)[0];
  75         final String dmiPluginName = correlationId.split(CM_SUBSCRIPTION_CORRELATION_ID_SEPARATOR)[1];
  76
  77         if (checkStatusCodeAndMessage(CM_DATA_SUBSCRIPTION_ACCEPTED, dmiOutEvent.getData())) {
  78             handleCacheStatusPerDmi(subscriptionId, dmiPluginName, CmSubscriptionStatus.ACCEPTED);
  79             if (eventType.equals("subscriptionCreateResponse")) {
  80                 dmiCacheHandler.persistIntoDatabasePerDmi(subscriptionId, dmiPluginName);
  81             }
  82             if (eventType.equals("subscriptionDeleteResponse")) {
  83                 dmiCacheHandler.removeFromDatabasePerDmi(subscriptionId, dmiPluginName);
  84             }
  85             handleEventsStatusPerDmi(subscriptionId, eventType);
  86         }
  87
  88         if (checkStatusCodeAndMessage(CM_DATA_SUBSCRIPTION_REJECTED, dmiOutEvent.getData())) {
  89             handleCacheStatusPerDmi(subscriptionId, dmiPluginName, CmSubscriptionStatus.REJECTED);
  90             handleEventsStatusPerDmi(subscriptionId, eventType);
  91         }
  92
  93         log.info("Cm Subscription with id : {} handled by the dmi-plugin : {} has the status : {}", subscriptionId,
  94                 dmiPluginName, dmiOutEvent.getData().getStatusMessage());
  95     }
  96
  97     private void handleCacheStatusPerDmi(final String subscriptionId, final String dmiPluginName,
  98             final CmSubscriptionStatus cmSubscriptionStatus) {
  99         dmiCacheHandler.updateDmiSubscriptionStatusPerDmi(subscriptionId, dmiPluginName,
 100                 cmSubscriptionStatus);
 101     }
 102
 103     private void handleEventsStatusPerDmi(final String subscriptionId, final String eventType) {
 104         final Map<String, DmiCmSubscriptionDetails> dmiSubscriptionsPerDmi =
 105                 dmiCacheHandler.get(subscriptionId);
 106         final NcmpOutEvent ncmpOutEvent = mappersFacade.toNcmpOutEvent(subscriptionId,
 107                 dmiSubscriptionsPerDmi);
 108         eventsFacade.publishNcmpOutEvent(subscriptionId, eventType,
 109                 ncmpOutEvent, false);
 110     }
 111
 112     private boolean checkStatusCodeAndMessage(final NcmpResponseStatus ncmpResponseStatus,
 113             final Data dmiOutData) {
 114         return ncmpResponseStatus.getCode().equals(dmiOutData.getStatusCode())
 115                        && ncmpResponseStatus.getMessage()
 116                                   .equals(dmiOutData.getStatusMessage());
 117     }
 118 }