Consume Subscription Creation Event

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

6 files changed, 236 insertions, 0 deletions

diff --git a/cps-application/src/main/resources/application.yml b/cps-application/src/main/resources/application.yml
index e3ffd04d7b..b5b10b0f74 100644
--- a/cps-application/src/main/resources/application.yml
+++ b/cps-application/src/main/resources/application.yml
@@ -98,6 +98,8 @@ app:
     ncmp:

         async-m2m:

             topic: ${NCMP_ASYNC_M2M_TOPIC:ncmp-async-m2m}

+        avc:

+            subscription-topic: ${NCMP_CM_AVC_SUBSCRIPTION:cm-avc-subscription}

     lcm:

         events:

             topic: ${LCM_EVENTS_TOPIC:ncmp-events}

diff --git a/cps-ncmp-events/src/main/resources/schemas/avc-subscription-event-v1.json b/cps-ncmp-events/src/main/resources/schemas/avc-subscription-event-v1.json
new file mode 100644
index 0000000000..5ab446cbbe
--- /dev/null
+++ b/cps-ncmp-events/src/main/resources/schemas/avc-subscription-event-v1.json
@@ -0,0 +1,101 @@
+{
+  "$schema": "https://json-schema.org/draft/2019-09/schema",
+  "$id": "urn:cps:org.onap.cps.ncmp.events:avc-subscription-event:v1",
+  "$ref": "#/definitions/SubscriptionEvent",
+  "definitions": {
+    "SubscriptionEvent": {
+      "description": "The payload for avc subscription event.",
+      "type": "object",
+      "properties": {
+        "version": {
+          "description": "The event type version",
+          "type": "string"
+        },
+        "eventType": {
+          "description": "The event type",
+          "type": "string",
+          "enum": ["CREATE"]
+        },
+        "event": {
+          "$ref": "#/definitions/event"
+        }
+      },
+      "required": [
+        "version",
+        "eventContent"
+      ],
+      "additionalProperties": false
+    },
+    "event": {
+      "description": "The event content.",
+      "type": "object",
+      "properties": {
+        "subscription": {
+          "description": "The subscription details.",
+          "type": "object",
+          "properties": {
+            "clientID": {
+              "description": "The clientID",
+              "type": "string"
+            },
+            "name": {
+              "description": "The name of the subscription",
+              "type": "string"
+            },
+            "isTagged": {
+              "description": "optional parameter, default is no",
+              "type": "boolean",
+              "default": false
+            }
+          },
+          "required": [
+            "clientID",
+            "name"
+          ]
+        },
+        "dataType": {
+          "description": "The datatype content.",
+          "type": "object",
+          "properties": {
+            "dataspace": {
+              "description": "The dataspace name",
+              "type": "string"
+            },
+            "dataCategory": {
+              "description": "The category type of the data",
+              "type": "string"
+            },
+            "dataProvider": {
+              "description": "The provider name of the data",
+              "type": "string"
+            },
+            "schemaName": {
+              "description": "The name of the schema",
+              "type": "string"
+            },
+            "schemaVersion": {
+              "description": "The version of the schema",
+              "type": "string"
+            }
+          }
+        },
+        "required": [
+          "dataspace",
+          "dataCategory",
+          "dataProvider",
+          "schemaName",
+          "schemaVersion"
+        ],
+        "predicates": {
+          "description": "Additional values to be added into the subscription",
+          "existingJavaType" : "java.util.Map<String,Object>",
+          "type" : "object"
+          }
+        }
+      },
+      "required": [
+        "subscription",
+        "dataType"
+      ]
+    }
+}
\ No newline at end of file
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 0000000000..1f0324693a
--- /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 0000000000..20d60e3963
--- /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 8d8bfaf9b4..4009e564a8 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 0000000000..1d84c3a5f2
--- /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"
+
+    }
+  }
+}
\ No newline at end of file