Consume Subscription Creation Event

Issue-ID: CPS-1392
Signed-off-by: seanbeirne <sean.beirne@est.tech>
Change-Id: I0a5a8c256319a1a2944ee6606db1c14b50e8f8e4

4 files changed, 133 insertions, 0 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventConsumer.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventConsumer.java
new file mode 100644
index 000000000..1f0324693
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventConsumer.java
@@ -0,0 +1,53 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2022 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.event.avc;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.ncmp.event.model.SubscriptionEvent;
+import org.springframework.kafka.annotation.KafkaListener;
+import org.springframework.stereotype.Component;
+
+
+@Component
+@Slf4j
+@RequiredArgsConstructor
+public class SubscriptionEventConsumer {
+
+    /**
+     * Consume the specified event.
+     *
+     * @param subscriptionEvent the event to be consumed
+     */
+    @KafkaListener(topics = "${app.ncmp.avc.subscription-topic}")
+    public void consumeSubscriptionEvent(final SubscriptionEvent subscriptionEvent) {
+        if ("CM".equals(subscriptionEvent.getEvent().getDataType().getDataCategory())) {
+            log.debug("Consuming event {} ...", subscriptionEvent.toString());
+            if ("CREATE".equals(subscriptionEvent.getEventType().value())) {
+                log.info("Subscription for ClientID {} with name{} ...",
+                        subscriptionEvent.getEvent().getSubscription().getClientID(),
+                        subscriptionEvent.getEvent().getSubscription().getName());
+            }
+        } else {
+            log.trace("Non-CM subscription event ignored");
+        }
+    }
+}
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventConsumerSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventConsumerSpec.groovy
new file mode 100644
index 000000000..20d60e396
--- /dev/null
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/event/avc/SubscriptionEventConsumerSpec.groovy
@@ -0,0 +1,52 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (c) 2022 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.event.avc
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import org.onap.cps.ncmp.api.kafka.MessagingBaseSpec
+import org.onap.cps.ncmp.event.model.SubscriptionEvent
+import org.onap.cps.ncmp.utils.TestUtils
+import org.onap.cps.utils.JsonObjectMapper
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.context.SpringBootTest
+
+@SpringBootTest(classes = [SubscriptionEventConsumer, ObjectMapper, JsonObjectMapper])
+class SubscriptionEventConsumerSpec extends MessagingBaseSpec {
+
+    def objectUnderTest = new SubscriptionEventConsumer()
+
+    @Autowired
+    JsonObjectMapper jsonObjectMapper
+
+    def 'Consume valid message'() {
+        given: 'an event'
+            def jsonData = TestUtils.getResourceFileContent('avcSubscriptionCreationEvent.json')
+            def testEventSent = jsonObjectMapper.convertJsonString(jsonData, SubscriptionEvent.class)
+        and: 'dataCategory is set'
+            testEventSent.getEvent().getDataType().setDataCategory(dataCategory)
+        when: 'the valid event is consumed'
+            objectUnderTest.consumeSubscriptionEvent(testEventSent)
+        then: 'no exception is thrown'
+            noExceptionThrown()
+        where: 'data category is changed'
+            dataCategory << [ 'CM' , 'FM' ]
+    }
+}
diff --git a/cps-ncmp-service/src/test/resources/application.yml b/cps-ncmp-service/src/test/resources/application.yml
index 8d8bfaf9b..4009e564a 100644
--- a/cps-ncmp-service/src/test/resources/application.yml
+++ b/cps-ncmp-service/src/test/resources/application.yml
@@ -16,6 +16,11 @@
 #  SPDX-License-Identifier: Apache-2.0
 #  ============LICENSE_END=========================================================
 
+app:
+    ncmp:
+        avc:
+            subscription-topic: test-avc-subscription
+
 ncmp:
     dmi:
         auth:
diff --git a/cps-ncmp-service/src/test/resources/avcSubscriptionCreationEvent.json b/cps-ncmp-service/src/test/resources/avcSubscriptionCreationEvent.json
new file mode 100644
index 000000000..1d84c3a5f
--- /dev/null
+++ b/cps-ncmp-service/src/test/resources/avcSubscriptionCreationEvent.json
@@ -0,0 +1,23 @@
+{
+  "version": "1.0",
+  "eventType": "CREATE",
+  "event": {
+    "subscription": {
+      "clientID": "SCO-9989752",
+      "name": "cm-subscription-001"
+    },
+    "dataType": {
+      "dataspace": "ALL",
+      "dataCategory": "CM",
+      "dataProvider": "CM-SERVICE",
+      "schemaName": "org.onap.ncmp:cm-network-avc-event.rfc8641",
+      "schemaVersion": "1.0"
+    },
+    "predicates": {
+      "datastore": "passthrough-operational",
+      "datastore-xpath-filter": "//_3gpp-nr-nrm-gnbdufunction:GNBDUFunction/ ",
+      "_3gpp-nr-nrm-nrcelldu": "NRCellDU"
+
+    }
+  }
+}
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