CmNotificationSubscription event from Dmi Plugin

- Added infrastructure related code to read event from the dmi plugin
- Just consuming and reading the message.
- Core logic to introduced to be part of subsequent patches

Issue-ID: CPS-2106
Change-Id: Ic58f4f80b3dded32df95daecac42315fa9212f58
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>

3 files changed, 153 insertions, 0 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionDmiOutEventConsumer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionDmiOutEventConsumer.java
new file mode 100644
index 0000000000..ea72fd217b
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionDmiOutEventConsumer.java
@@ -0,0 +1,62 @@
+/*
+ * ============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 static org.onap.cps.ncmp.api.impl.events.mapper.CloudEventMapper.toTargetEvent;
+
+import io.cloudevents.CloudEvent;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.kafka.clients.consumer.ConsumerRecord;
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.dmi_to_ncmp.CmNotificationSubscriptionDmiOutEvent;
+import org.springframework.kafka.annotation.KafkaListener;
+import org.springframework.stereotype.Component;
+
+@Component
+@Slf4j
+public class CmNotificationSubscriptionDmiOutEventConsumer {
+
+    /**
+     * Consume the Cm Notification Subscription event from the dmi-plugin.
+     *
+     * @param cmNotificationSubscriptionDmiOutEventConsumerRecord the event to be consumed
+     */
+    @KafkaListener(topics = "${app.ncmp.avc.subscription-response-topic}",
+            containerFactory = "cloudEventConcurrentKafkaListenerContainerFactory")
+    public void consumeCmNotificationSubscriptionDmiOutEvent(
+            final ConsumerRecord<String, CloudEvent> cmNotificationSubscriptionDmiOutEventConsumerRecord) {
+        final CloudEvent cloudEvent = cmNotificationSubscriptionDmiOutEventConsumerRecord.value();
+        final CmNotificationSubscriptionDmiOutEvent cmNotificationSubscriptionDmiOutEvent =
+                toTargetEvent(cloudEvent, CmNotificationSubscriptionDmiOutEvent.class);
+        final String correlationId = String.valueOf(cloudEvent.getExtension("correlationid"));
+        if ("subscriptionCreateResponse".equals(cloudEvent.getType()) && cmNotificationSubscriptionDmiOutEvent != null
+                    && correlationId != null) {
+            handleCmSubscriptionCreate(correlationId, cmNotificationSubscriptionDmiOutEvent);
+        }
+    }
+
+    private void handleCmSubscriptionCreate(final String correlationId,
+            final CmNotificationSubscriptionDmiOutEvent cmNotificationSubscriptionDmiOutEvent) {
+        final String subscriptionId = correlationId.split("#")[0];
+        final String dmiPluginName = correlationId.split("#")[1];
+        log.info("Cm Subscription with id : {} handled by the dmi-plugin : {} has the status : {}", subscriptionId,
+                dmiPluginName, cmNotificationSubscriptionDmiOutEvent.getData().getStatusMessage());
+    }
+}
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionDmiOutEventConsumerSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionDmiOutEventConsumerSpec.groovy
new file mode 100644
index 0000000000..4f0132e2bd
--- /dev/null
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionDmiOutEventConsumerSpec.groovy
@@ -0,0 +1,85 @@
+/*
+ * ============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 ch.qos.logback.classic.Level
+import ch.qos.logback.classic.Logger
+import ch.qos.logback.classic.spi.ILoggingEvent
+import ch.qos.logback.core.read.ListAppender
+import com.fasterxml.jackson.databind.ObjectMapper
+import io.cloudevents.CloudEvent
+import io.cloudevents.core.builder.CloudEventBuilder
+import org.apache.kafka.clients.consumer.ConsumerRecord
+import org.onap.cps.ncmp.api.kafka.MessagingBaseSpec
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.dmi_to_ncmp.CmNotificationSubscriptionDmiOutEvent
+import org.onap.cps.ncmp.utils.TestUtils
+import org.onap.cps.utils.JsonObjectMapper
+import org.slf4j.LoggerFactory
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+
+@SpringBootTest(classes = [ObjectMapper, JsonObjectMapper])
+class CmNotificationSubscriptionDmiOutEventConsumerSpec extends MessagingBaseSpec {
+
+    def objectUnderTest = new CmNotificationSubscriptionDmiOutEventConsumer()
+    def logger = Spy(ListAppender<ILoggingEvent>)
+
+    @Autowired
+    JsonObjectMapper jsonObjectMapper
+
+    @Autowired
+    ObjectMapper objectMapper
+
+    void setup() {
+        ((Logger) LoggerFactory.getLogger(CmNotificationSubscriptionDmiOutEventConsumer.class)).addAppender(logger)
+        logger.start()
+    }
+
+    void cleanup() {
+        ((Logger) LoggerFactory.getLogger(CmNotificationSubscriptionDmiOutEventConsumer.class)).detachAndStopAllAppenders()
+    }
+
+
+    def 'Consume valid CM Subscription response from DMI Plugin'() {
+        given: 'a cmsubscription event'
+            def jsonData = TestUtils.getResourceFileContent('cmSubscription/cmNotificationSubscriptionDmiOutEvent.json')
+            def testEventSent = jsonObjectMapper.convertJsonString(jsonData, CmNotificationSubscriptionDmiOutEvent.class)
+            def testCloudEventSent = CloudEventBuilder.v1()
+                .withData(objectMapper.writeValueAsBytes(testEventSent))
+                .withId('random-uuid')
+                .withType('subscriptionCreateResponse')
+                .withSource(URI.create('test-dmi-plugin-name'))
+                .withExtension('correlationid', 'sub-1#test-dmi-plugin-name').build()
+            def consumerRecord = new ConsumerRecord<String, CloudEvent>('topic-name', 0, 0, 'event-key', testCloudEventSent)
+        when: 'the valid event is consumed'
+            objectUnderTest.consumeCmNotificationSubscriptionDmiOutEvent(consumerRecord)
+        then: 'an event is logged with level INFO'
+            def loggingEvent = getLoggingEvent()
+            assert loggingEvent.level == Level.INFO
+        and: 'the log indicates the task completed successfully'
+            assert loggingEvent.formattedMessage == 'Cm Subscription with id : sub-1 handled by the dmi-plugin : test-dmi-plugin-name has the status : accepted'
+    }
+
+    def getLoggingEvent() {
+        return logger.list[0]
+    }
+
+}
diff --git a/cps-ncmp-service/src/test/resources/cmSubscription/cmNotificationSubscriptionDmiOutEvent.json b/cps-ncmp-service/src/test/resources/cmSubscription/cmNotificationSubscriptionDmiOutEvent.json
new file mode 100644
index 0000000000..f0b78fb7c8
--- /dev/null
+++ b/cps-ncmp-service/src/test/resources/cmSubscription/cmNotificationSubscriptionDmiOutEvent.json
@@ -0,0 +1,6 @@
+{
+  "data": {
+    "statusCode": "1",
+    "statusMessage": "accepted"
+  }
+}
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