CM SUBSCRIPTION: Add delete use case #1 (Client-NCMP)

Issue-ID: CPS-2241
Change-Id: Idd074ff4d29cf11f45f1c69200788b2f39b49e74
Signed-off-by: emaclee <lee.anjella.macabuhay@est.tech>

5 files changed, 114 insertions, 28 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/consumer/CmNotificationSubscriptionNcmpInEventConsumer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/consumer/CmNotificationSubscriptionNcmpInEventConsumer.java
index 2c544b7b6a..fb3388c117 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/consumer/CmNotificationSubscriptionNcmpInEventConsumer.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/consumer/CmNotificationSubscriptionNcmpInEventConsumer.java
@@ -23,11 +23,13 @@ package org.onap.cps.ncmp.api.impl.events.cmsubscription.consumer;
 import static org.onap.cps.ncmp.api.impl.events.mapper.CloudEventMapper.toTargetEvent;
 
 import io.cloudevents.CloudEvent;
+import java.util.List;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.kafka.clients.consumer.ConsumerRecord;
 import org.onap.cps.ncmp.api.impl.events.cmsubscription.service.CmNotificationSubscriptionHandlerService;
 import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.client_to_ncmp.CmNotificationSubscriptionNcmpInEvent;
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.client_to_ncmp.Predicate;
 import org.springframework.kafka.annotation.KafkaListener;
 import org.springframework.stereotype.Component;
 
@@ -53,10 +55,16 @@ public class CmNotificationSubscriptionNcmpInEventConsumer {
                 cmNotificationSubscriptionNcmpInEvent.getData().getSubscriptionId());
 
         final String subscriptionId = cmNotificationSubscriptionNcmpInEvent.getData().getSubscriptionId();
+        final List<Predicate> predicates = cmNotificationSubscriptionNcmpInEvent.getData().getPredicates();
         if ("subscriptionCreateRequest".equals(cloudEvent.getType())) {
-            log.info("Subscription for source {} with subscription id {} ...", cloudEvent.getSource(), subscriptionId);
-            cmNotificationSubscriptionHandlerService.processSubscriptionCreateRequest(
-                    cmNotificationSubscriptionNcmpInEvent);
+            log.info("Subscription create request for source {} with subscription id {} ...",
+                    cloudEvent.getSource(), subscriptionId);
+            cmNotificationSubscriptionHandlerService.processSubscriptionCreateRequest(subscriptionId, predicates);
+        }
+        if ("subscriptionDeleteRequest".equals(cloudEvent.getType())) {
+            log.info("Subscription delete request for source {} with subscription id {} ...",
+                    cloudEvent.getSource(), subscriptionId);
+            cmNotificationSubscriptionHandlerService.processSubscriptionDeleteRequest(subscriptionId, predicates);
         }
     }
 }
\ No newline at end of file
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerService.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerService.java
index 536693ee4e..1c52ffa798 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerService.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerService.java
@@ -20,16 +20,25 @@
 
 package org.onap.cps.ncmp.api.impl.events.cmsubscription.service;
 
-import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.client_to_ncmp.CmNotificationSubscriptionNcmpInEvent;
+import java.util.List;
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.client_to_ncmp.Predicate;
 
 public interface CmNotificationSubscriptionHandlerService {
 
     /**
-     * Process cm notification subscription request.
+     * Process cm notification subscription create request.
      *
-     * @param cmNotificationSubscriptionNcmpInEvent CM Notification Subscription event
+     * @param subscriptionId subscription id
+     * @param predicates subscription predicates
      */
-    void processSubscriptionCreateRequest(
-        final CmNotificationSubscriptionNcmpInEvent cmNotificationSubscriptionNcmpInEvent);
+    void processSubscriptionCreateRequest(final String subscriptionId, final List<Predicate> predicates);
 
-}
+    /**
+     * Process cm notification subscription delete request.
+     *
+     * @param subscriptionId subscription id
+     * @param predicates subscription predicates
+     */
+    void processSubscriptionDeleteRequest(final String subscriptionId, final List<Predicate> predicates);
+
+}
\ No newline at end of file
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerServiceImpl.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerServiceImpl.java
index 128c6751ce..08e3c95529 100644
--- a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerServiceImpl.java
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerServiceImpl.java
@@ -33,7 +33,6 @@ import org.onap.cps.ncmp.api.impl.events.cmsubscription.DmiCmNotificationSubscri
 import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.CmNotificationSubscriptionStatus;
 import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.DmiCmNotificationSubscriptionDetails;
 import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.DmiCmNotificationSubscriptionPredicate;
-import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.client_to_ncmp.CmNotificationSubscriptionNcmpInEvent;
 import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.client_to_ncmp.Predicate;
 import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.ncmp_to_dmi.CmNotificationSubscriptionDmiInEvent;
 import org.onap.cps.ncmp.events.cmsubscription_merge1_0_0.ncmp_to_client.CmNotificationSubscriptionNcmpOutEvent;
@@ -50,27 +49,32 @@ public class CmNotificationSubscriptionHandlerServiceImpl implements CmNotificat
     private final DmiCmNotificationSubscriptionCacheHandler dmiCmNotificationSubscriptionCacheHandler;
 
     @Override
-    public void processSubscriptionCreateRequest(
-            final CmNotificationSubscriptionNcmpInEvent cmNotificationSubscriptionNcmpInEvent) {
-        final String subscriptionId = cmNotificationSubscriptionNcmpInEvent.getData().getSubscriptionId();
-        final List<Predicate> predicates = cmNotificationSubscriptionNcmpInEvent.getData().getPredicates();
-
+    public void processSubscriptionCreateRequest(final String subscriptionId, final List<Predicate> predicates) {
         if (cmNotificationSubscriptionPersistenceService.isUniqueSubscriptionId(subscriptionId)) {
             dmiCmNotificationSubscriptionCacheHandler.add(subscriptionId, predicates);
             handleCmNotificationSubscriptionDelta(subscriptionId);
-            scheduleCmNotificationSubscriptionNcmpOutEventResponse(subscriptionId);
+            scheduleCmNotificationSubscriptionNcmpOutEventResponse(subscriptionId,
+                    "subscriptionCreateResponse");
         } else {
             rejectAndPublishCmNotificationSubscriptionCreateRequest(subscriptionId, predicates);
         }
     }
 
-    private void scheduleCmNotificationSubscriptionNcmpOutEventResponse(final String subscriptionId) {
+    @Override
+    public void processSubscriptionDeleteRequest(final String subscriptionId, final List<Predicate> predicates) {
+        dmiCmNotificationSubscriptionCacheHandler.add(subscriptionId, predicates);
+        sendSubscriptionDeleteRequestToDmi(subscriptionId);
+        scheduleCmNotificationSubscriptionNcmpOutEventResponse(subscriptionId, "subscriptionDeleteResponse");
+    }
+
+    private void scheduleCmNotificationSubscriptionNcmpOutEventResponse(final String subscriptionId,
+                                                                        final String eventType) {
         cmNotificationSubscriptionEventsHandler.publishCmNotificationSubscriptionNcmpOutEvent(subscriptionId,
-                "subscriptionCreateResponse", null, true);
+                eventType, null, true);
     }
 
     private void rejectAndPublishCmNotificationSubscriptionCreateRequest(final String subscriptionId,
-            final List<Predicate> predicates) {
+                                                                         final List<Predicate> predicates) {
         final Set<String> subscriptionTargetFilters =
                 predicates.stream().flatMap(predicate -> predicate.getTargetFilter().stream())
                         .collect(Collectors.toSet());
@@ -99,8 +103,9 @@ public class CmNotificationSubscriptionHandlerServiceImpl implements CmNotificat
     }
 
     private void publishCmNotificationSubscriptionDmiInEventPerDmi(final String subscriptionId,
-            final String dmiPluginName,
-            final List<DmiCmNotificationSubscriptionPredicate> dmiCmNotificationSubscriptionPredicates) {
+                                                                   final String dmiPluginName,
+                                                                   final List<DmiCmNotificationSubscriptionPredicate>
+                                                                           dmiCmNotificationSubscriptionPredicates) {
         final CmNotificationSubscriptionDmiInEvent cmNotificationSubscriptionDmiInEvent =
                 cmNotificationSubscriptionMappersHandler.toCmNotificationSubscriptionDmiInEvent(
                         dmiCmNotificationSubscriptionPredicates);
@@ -109,9 +114,21 @@ public class CmNotificationSubscriptionHandlerServiceImpl implements CmNotificat
     }
 
     private void acceptAndPublishCmNotificationSubscriptionNcmpOutEventPerDmi(final String subscriptionId,
-            final String dmiPluginName) {
+                                                                              final String dmiPluginName) {
         dmiCmNotificationSubscriptionCacheHandler.updateDmiCmNotificationSubscriptionStatusPerDmi(subscriptionId,
                 dmiPluginName, CmNotificationSubscriptionStatus.ACCEPTED);
         dmiCmNotificationSubscriptionCacheHandler.persistIntoDatabasePerDmi(subscriptionId, dmiPluginName);
     }
-}
+
+    private void sendSubscriptionDeleteRequestToDmi(final String subscriptionId) {
+        final Map<String, DmiCmNotificationSubscriptionDetails> dmiCmNotificationSubscriptionDetailsMap =
+                dmiCmNotificationSubscriptionCacheHandler.get(subscriptionId);
+        dmiCmNotificationSubscriptionDetailsMap.forEach((dmiPluginName, dmiCmNotificationSubscriptionDetails) -> {
+            final CmNotificationSubscriptionDmiInEvent cmNotificationSubscriptionDmiInEvent =
+                    cmNotificationSubscriptionMappersHandler.toCmNotificationSubscriptionDmiInEvent(
+                            dmiCmNotificationSubscriptionDetails.getDmiCmNotificationSubscriptionPredicates());
+            cmNotificationSubscriptionEventsHandler.publishCmNotificationSubscriptionDmiInEvent(subscriptionId,
+                    dmiPluginName, "subscriptionDeleteRequest", cmNotificationSubscriptionDmiInEvent);
+        });
+    }
+}
\ No newline at end of file
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionNcmpInEventConsumerSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionNcmpInEventConsumerSpec.groovy
index f07f3c1e6f..01a92c02fa 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionNcmpInEventConsumerSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/CmNotificationSubscriptionNcmpInEventConsumerSpec.groovy
@@ -78,11 +78,34 @@ class CmNotificationSubscriptionNcmpInEventConsumerSpec extends MessagingBaseSpe
             def loggingEvent = getLoggingEvent()
             assert loggingEvent.level == Level.INFO
         and: 'the log indicates the task completed successfully'
-            assert loggingEvent.formattedMessage == 'Subscription for source some-resource with subscription id test-id ...'
+            assert loggingEvent.formattedMessage == 'Subscription create request for source some-resource with subscription id test-id ...'
         and: 'the subscription handler service is called once'
-            1 * mockCmNotificationSubscriptionHandlerService.processSubscriptionCreateRequest(_)
+            1 * mockCmNotificationSubscriptionHandlerService.processSubscriptionCreateRequest('test-id',_)
     }
 
+    def 'Consume valid CmNotificationSubscriptionNcmpInEvent delete message'() {
+        given: 'a cmNotificationSubscription event'
+            def jsonData = TestUtils.getResourceFileContent('cmSubscription/cmNotificationSubscriptionNcmpInEvent.json')
+            def testEventSent = jsonObjectMapper.convertJsonString(jsonData, CmNotificationSubscriptionNcmpInEvent.class)
+            def testCloudEventSent = CloudEventBuilder.v1()
+                .withData(objectMapper.writeValueAsBytes(testEventSent))
+                .withId('sub-id')
+                .withType('subscriptionDeleteRequest')
+                .withSource(URI.create('some-resource'))
+                .withExtension('correlationid', 'test-cmhandle1').build()
+            def consumerRecord = new ConsumerRecord<String, CloudEvent>('topic-name', 0, 0, 'event-key', testCloudEventSent)
+        when: 'the valid event is consumed'
+            objectUnderTest.consumeSubscriptionEvent(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 == 'Subscription delete request for source some-resource with subscription id test-id ...'
+        and: 'the subscription handler service is called once'
+            1 * mockCmNotificationSubscriptionHandlerService.processSubscriptionDeleteRequest('test-id',_)
+    }
+
+
     def getLoggingEvent() {
         return logger.list[1]
     }
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerServiceImplSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerServiceImplSpec.groovy
index 9156ae910f..982150ec0a 100644
--- a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerServiceImplSpec.groovy
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/service/CmNotificationSubscriptionHandlerServiceImplSpec.groovy
@@ -57,6 +57,9 @@ class CmNotificationSubscriptionHandlerServiceImplSpec extends Specification{
             def testEventConsumed = jsonObjectMapper.convertJsonString(jsonData, CmNotificationSubscriptionNcmpInEvent.class)
             def testListOfDeltaPredicates = [new DmiCmNotificationSubscriptionPredicate(['ch1'].toSet(), DatastoreType.PASSTHROUGH_OPERATIONAL, ['/a/b'].toSet())]
             mockCmNotificationSubscriptionPersistenceService.isUniqueSubscriptionId("test-id") >> true
+        and: 'relevant details is extracted from the event'
+            def subscriptionId = testEventConsumed.getData().getSubscriptionId()
+            def predicates = testEventConsumed.getData().getPredicates()
         and: 'the cache handler returns for relevant subscription id'
             1 * mockDmiCmNotificationSubscriptionCacheHandler.get("test-id") >> testSubscriptionDetailsMap
         and: 'the delta predicates is returned'
@@ -66,7 +69,7 @@ class CmNotificationSubscriptionHandlerServiceImplSpec extends Specification{
             1 *  mockCmNotificationSubscriptionMappersHandler
                 .toCmNotificationSubscriptionDmiInEvent(testListOfDeltaPredicates) >> testDmiInEvent
         when: 'the valid and unique event is consumed'
-            objectUnderTest.processSubscriptionCreateRequest(testEventConsumed)
+            objectUnderTest.processSubscriptionCreateRequest(subscriptionId, predicates)
         then: 'the subscription cache handler is called once'
             1 * mockDmiCmNotificationSubscriptionCacheHandler.add('test-id',_)
         and: 'the events handler method to publish DMI event is called correct number of times with the correct parameters'
@@ -88,7 +91,7 @@ class CmNotificationSubscriptionHandlerServiceImplSpec extends Specification{
         and: 'the delta predicates is returned'
             1 * mockCmNotificationSubscriptionDelta.getDelta(_) >> noDeltaPredicates
         when: 'the valid and unique event is consumed'
-            objectUnderTest.processSubscriptionCreateRequest(testEventConsumed)
+            objectUnderTest.processSubscriptionCreateRequest('test-id', noDeltaPredicates)
         then: 'the subscription cache handler is called once'
             1 * mockDmiCmNotificationSubscriptionCacheHandler.add('test-id', _)
         and: 'the subscription details are updated in the cache'
@@ -103,16 +106,42 @@ class CmNotificationSubscriptionHandlerServiceImplSpec extends Specification{
             def jsonData = TestUtils.getResourceFileContent('cmSubscription/cmNotificationSubscriptionNcmpInEvent.json')
             def testEventConsumed = jsonObjectMapper.convertJsonString(jsonData, CmNotificationSubscriptionNcmpInEvent.class)
             mockCmNotificationSubscriptionPersistenceService.isUniqueSubscriptionId('test-id') >> false
+        and: 'relevant details is extracted from the event'
+            def subscriptionId = testEventConsumed.getData().getSubscriptionId()
+            def predicates = testEventConsumed.getData().getPredicates()
         and: 'the NCMP out in event mapper returns an event for rejected request'
             def testNcmpOutEvent = new CmNotificationSubscriptionNcmpOutEvent()
             1 * mockCmNotificationSubscriptionMappersHandler.toCmNotificationSubscriptionNcmpOutEventForRejectedRequest(
                 "test-id",_) >> testNcmpOutEvent
         when: 'the valid but non-unique event is consumed'
-            objectUnderTest.processSubscriptionCreateRequest(testEventConsumed)
+            objectUnderTest.processSubscriptionCreateRequest(subscriptionId, predicates)
         then: 'the events handler method to publish DMI event is never called'
             0 * mockCmNotificationSubscriptionEventsHandler.publishCmNotificationSubscriptionDmiInEvent(_,_,_,_)
         and: 'the events handler method to publish NCMP out event is called once'
             1 * mockCmNotificationSubscriptionEventsHandler.publishCmNotificationSubscriptionNcmpOutEvent(
                 'test-id', 'subscriptionCreateResponse', testNcmpOutEvent, false)
     }
+
+    def 'Consume valid CmNotificationSubscriptionNcmpInEvent delete message'() {
+        given: 'a cmNotificationSubscriptionNcmp in event for delete'
+            def jsonData = TestUtils.getResourceFileContent('cmSubscription/cmNotificationSubscriptionNcmpInEvent.json')
+            def testEventConsumed = jsonObjectMapper.convertJsonString(jsonData, CmNotificationSubscriptionNcmpInEvent.class)
+        and: 'relevant details is extracted from the event'
+            def subscriptionId = testEventConsumed.getData().getSubscriptionId()
+            def predicates = testEventConsumed.getData().getPredicates()
+        and: 'the cache handler returns for relevant subscription id'
+            1 * mockDmiCmNotificationSubscriptionCacheHandler.get('test-id') >> testSubscriptionDetailsMap
+        when: 'the valid and unique event is consumed'
+            objectUnderTest.processSubscriptionDeleteRequest(subscriptionId, predicates)
+        then: 'the subscription cache handler is called once'
+            1 * mockDmiCmNotificationSubscriptionCacheHandler.add('test-id', predicates)
+        and: 'the mapper handler to get DMI in event is called once'
+            1 * mockCmNotificationSubscriptionMappersHandler.toCmNotificationSubscriptionDmiInEvent(_)
+        and: 'the events handler method to publish DMI event is called correct number of times with the correct parameters'
+            testSubscriptionDetailsMap.size() * mockCmNotificationSubscriptionEventsHandler.publishCmNotificationSubscriptionDmiInEvent(
+                'test-id', 'dmi-1', 'subscriptionDeleteRequest', _)
+        and: 'we schedule to send the response after configured time from the cache'
+            1 * mockCmNotificationSubscriptionEventsHandler.publishCmNotificationSubscriptionNcmpOutEvent(
+                'test-id', 'subscriptionDeleteResponse', null, true)
+    }
 }