NCMP to DMI CmSubscription Event

- Ncmp to have a producer which converts
  CmNotificationSubscriptionDmiInEvent to Cloud event and then publishes
  it
- For now , using the old topic prefix as topic name. Once topic names
  are finalized then they can be configured
- Testware for the publishing code

Issue-ID: CPS-2103
Change-Id: I83b6ce5b6647e92313839b25492cb076e528ce3e
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>

2 files changed, 138 insertions, 0 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionDmiInEventProducer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionDmiInEventProducer.java
new file mode 100644
index 0000000000..5c192a953f
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionDmiInEventProducer.java
@@ -0,0 +1,74 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2024 Nordix Foundation
+ *  ================================================================================
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.impl.events.cmsubscription;
+
+import io.cloudevents.CloudEvent;
+import io.cloudevents.core.builder.CloudEventBuilder;
+import java.net.URI;
+import java.util.UUID;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.events.EventsPublisher;
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.ncmp_to_dmi.CmNotificationSubscriptionDmiInEvent;
+import org.onap.cps.utils.JsonObjectMapper;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.stereotype.Component;
+
+@Component
+@Slf4j
+@RequiredArgsConstructor
+@ConditionalOnProperty(name = "notification.enabled", havingValue = "true", matchIfMissing = true)
+public class CmNotificationSubscriptionDmiInEventProducer {
+
+    private final EventsPublisher<CloudEvent> eventsPublisher;
+    private final JsonObjectMapper jsonObjectMapper;
+
+    @Value("${app.ncmp.avc.subscription-forward-topic-prefix}")
+    private String cmNotificationSubscriptionDmiInEventTopic;
+
+    /**
+     * Publish the event to the provided dmi plugin with key as subscription id and the event is in Cloud Event format.
+     *
+     * @param subscriptionId                       Cm Subscription Id
+     * @param dmiPluginName                        Dmi Plugin Name
+     * @param eventType                            Type of event
+     * @param cmNotificationSubscriptionDmiInEvent Cm Notification Subscription event for Dmi
+     */
+    public void publishCmNotificationSubscriptionDmiInEvent(final String subscriptionId, final String dmiPluginName,
+            final String eventType, final CmNotificationSubscriptionDmiInEvent cmNotificationSubscriptionDmiInEvent) {
+        eventsPublisher.publishCloudEvent(cmNotificationSubscriptionDmiInEventTopic, subscriptionId,
+                buildAndGetCmNotificationDmiInEventAsCloudEvent(subscriptionId, dmiPluginName, eventType,
+                        cmNotificationSubscriptionDmiInEvent));
+
+    }
+
+    private CloudEvent buildAndGetCmNotificationDmiInEventAsCloudEvent(final String subscriptionId,
+            final String dmiPluginName, final String eventType,
+            final CmNotificationSubscriptionDmiInEvent cmNotificationSubscriptionDmiInEvent) {
+        return CloudEventBuilder.v1().withId(UUID.randomUUID().toString()).withType(eventType)
+                .withSource(URI.create("NCMP")).withDataSchema(URI.create("org.onap.ncmp.dmi.cm.subscription:1.0.0"))
+                .withExtension("correlationid", subscriptionId.concat("#").concat(dmiPluginName))
+                .withData(jsonObjectMapper.asJsonBytes(cmNotificationSubscriptionDmiInEvent)).build();
+    }
+
+
+}
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionDmiInEventProducerSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionDmiInEventProducerSpec.groovy
new file mode 100644
index 0000000000..cd9b8ddf41
--- /dev/null
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionDmiInEventProducerSpec.groovy
@@ -0,0 +1,64 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (c) 2024 Nordix Foundation.
+ *  ================================================================================
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an 'AS IS' BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.impl.events.cmsubscription
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import io.cloudevents.CloudEvent
+import org.onap.cps.events.EventsPublisher
+import org.onap.cps.ncmp.api.impl.events.mapper.CloudEventMapper
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.ncmp_to_dmi.CmNotificationSubscriptionDmiInEvent
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.ncmp_to_dmi.Cmhandle
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.ncmp_to_dmi.Data
+import org.onap.cps.utils.JsonObjectMapper
+import spock.lang.Specification
+
+class CmNotificationSubscriptionDmiInEventProducerSpec extends Specification {
+
+    def mockEventsPublisher = Mock(EventsPublisher)
+    def jsonObjectMapper = new JsonObjectMapper(new ObjectMapper())
+
+    def objectUnderTest = new CmNotificationSubscriptionDmiInEventProducer(mockEventsPublisher, jsonObjectMapper)
+
+    def 'Create and Publish Cm Notification Subscription DMI In Event'() {
+        given: 'a cm subscription for a dmi plugin'
+            def subscriptionId = 'test-subscription-id'
+            def dmiPluginName = 'test-dmiplugin'
+            def eventType = 'subscriptionCreateRequest'
+            def cmNotificationSubscriptionDmiInEvent = new CmNotificationSubscriptionDmiInEvent(data: new Data(cmhandles: [new Cmhandle(cmhandleId: 'test-1', privateProperties: [:])]))
+        and: 'also we have target topic for dmiPlugin'
+            objectUnderTest.cmNotificationSubscriptionDmiInEventTopic = 'dmiplugin-test-topic'
+        when: 'the event is published'
+            objectUnderTest.publishCmNotificationSubscriptionDmiInEvent(subscriptionId, dmiPluginName, eventType, cmNotificationSubscriptionDmiInEvent)
+        then: 'the event contains the required attributes'
+            1 * mockEventsPublisher.publishCloudEvent(_, _, _) >> {
+                args ->
+                    {
+                        assert args[0] == 'dmiplugin-test-topic'
+                        assert args[1] == subscriptionId
+                        def cmNotificationSubscriptionDmiInEventAsCloudEvent = (args[2] as CloudEvent)
+                        assert cmNotificationSubscriptionDmiInEventAsCloudEvent.getExtension('correlationid') == subscriptionId + '#' + dmiPluginName
+                        assert cmNotificationSubscriptionDmiInEventAsCloudEvent.type == 'subscriptionCreateRequest'
+                        assert cmNotificationSubscriptionDmiInEventAsCloudEvent.source.toString() == 'NCMP'
+                        assert CloudEventMapper.toTargetEvent(cmNotificationSubscriptionDmiInEventAsCloudEvent, CmNotificationSubscriptionDmiInEvent) == cmNotificationSubscriptionDmiInEvent
+                    }
+            }
+    }
+}