[DMI] Publish Message hidden REST endpoint trigger

-Added endpoint to simulate events
-Events are published to dmi-cm-events topic
-Added Kafka test
-WILL FAIL UNTIL CPS PART IS MERGED

Issue-ID: CPS-1385
Signed-off-by: JosephKeenan <joseph.keenan@est.tech>
Change-Id: Ie802ba819e7b8c5a16504f900bdb89f3e4b0ab4a
Signed-off-by: seanbeirne <sean.beirne@est.tech>
Signed-off-by: sourabh_sourabh <sourabh.sourabh@est.tech>

3 files changed, 170 insertions, 0 deletions

diff --git a/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventCreator.java b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventCreator.java
new file mode 100644
index 00000000..6902b2eb
--- /dev/null
+++ b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventCreator.java
@@ -0,0 +1,63 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2023 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.dmi.notifications.avc;
+
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.UUID;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.ncmp.event.model.AvcEvent;
+import org.onap.cps.ncmp.event.model.Event;
+
+/**
+ * Helper to create AvcEvents.
+ */
+@Slf4j
+public class DmiDataAvcEventCreator {
+
+    private static final DateTimeFormatter dateTimeFormatter
+            = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
+
+    /**
+     * Create an AVC event.
+     *
+     * @param eventCorrelationId  the event correlation id
+     * @return DmiAsyncRequestResponseEvent
+     */
+    public AvcEvent createEvent(final String eventCorrelationId) {
+        final AvcEvent avcEvent = new AvcEvent();
+        avcEvent.setEventId(UUID.randomUUID().toString());
+        avcEvent.setEventCorrelationId(eventCorrelationId);
+        avcEvent.setEventType(AvcEvent.class.getName());
+        avcEvent.setEventSchema("urn:cps:" + AvcEvent.class.getName());
+        avcEvent.setEventSchemaVersion("v1");
+        avcEvent.setEventTarget("NCMP");
+        avcEvent.setEventTime(ZonedDateTime.now().format(dateTimeFormatter));
+
+        final Event event = new Event();
+        event.setAdditionalProperty("payload", "Hello world!");
+        avcEvent.setEvent(event);
+
+        log.debug("Avc Event Created ID: {}", avcEvent.getEventId());
+        return avcEvent;
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventProducer.java b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventProducer.java
new file mode 100644
index 00000000..4fd46b66
--- /dev/null
+++ b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventProducer.java
@@ -0,0 +1,46 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2023 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.dmi.notifications.avc;
+
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.ncmp.event.model.AvcEvent;
+import org.springframework.kafka.core.KafkaTemplate;
+import org.springframework.stereotype.Service;
+
+@Service
+@Slf4j
+@RequiredArgsConstructor
+public class DmiDataAvcEventProducer {
+
+    private final KafkaTemplate<String, AvcEvent> kafkaTemplate;
+
+    /**
+     * Sends message to the configured topic with a message key.
+     *
+     * @param requestId the request id
+     * @param avcEvent the event to publish
+     */
+    public void sendMessage(final String requestId, final AvcEvent avcEvent) {
+        kafkaTemplate.send("dmi-cm-events", requestId, avcEvent);
+        log.debug("AVC event sent");
+    }
+}
diff --git a/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventSimulationController.java b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventSimulationController.java
new file mode 100644
index 00000000..f7f4bf96
--- /dev/null
+++ b/src/main/java/org/onap/cps/ncmp/dmi/notifications/avc/DmiDataAvcEventSimulationController.java
@@ -0,0 +1,61 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2023 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.dmi.notifications.avc;
+
+import java.util.UUID;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.onap.cps.ncmp.event.model.AvcEvent;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+
+@RequestMapping("${rest.api.dmi-base-path}")
+@RestController
+@Slf4j
+@RequiredArgsConstructor
+public class DmiDataAvcEventSimulationController {
+
+    private final DmiDataAvcEventProducer dmiDataAvcEventProducer;
+
+    /**
+     * Simulate Event for AVC.
+     * @param numberOfSimulatedEvents number of events to be generated
+     * @return ResponseEntity
+     */
+    @GetMapping(path = "/v1/simulateDmiDataEvent")
+    public ResponseEntity<Void> simulateEvents(@RequestParam("numberOfSimulatedEvents")
+                                                   final Integer numberOfSimulatedEvents) {
+        final DmiDataAvcEventCreator dmiDataAvcEventCreator = new DmiDataAvcEventCreator();
+
+        for (int i = 0; i < numberOfSimulatedEvents; i++) {
+            final String eventCorrelationId = UUID.randomUUID().toString();
+            final AvcEvent avcEvent = dmiDataAvcEventCreator.createEvent(eventCorrelationId);
+            dmiDataAvcEventProducer.sendMessage(eventCorrelationId, avcEvent);
+        }
+
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
+}