Mapper to form event for DMI Plugin

- cmSubscriptionPredicate to CmNotificationSubscriptionDmiInEvent mapper code and
  testware.
- Based on the delta we find , we will be sending the events to the dmi
  plugins. Finding delta code will be separate patchset

Issue-ID: CPS-2060
Change-Id: If1e15679b72c39352e3cf166651226df7e207ce0
Signed-off-by: mpriyank <priyank.maheshwari@est.tech>

2 files changed, 169 insertions, 0 deletions

diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/mapper/CmNotificationSubscriptionDmiInEventMapper.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/mapper/CmNotificationSubscriptionDmiInEventMapper.java
new file mode 100644
index 0000000000..2aa27164ef
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/events/cmsubscription/mapper/CmNotificationSubscriptionDmiInEventMapper.java
@@ -0,0 +1,112 @@
+/*
+ * ============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.mapper;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import lombok.RequiredArgsConstructor;
+import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.DmiCmNotificationSubscriptionPredicate;
+import org.onap.cps.ncmp.api.impl.inventory.InventoryPersistence;
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.ncmp_to_dmi.CmNotificationSubscriptionDmiInEvent;
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.ncmp_to_dmi.Cmhandle;
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.ncmp_to_dmi.Data;
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.ncmp_to_dmi.Predicate;
+import org.onap.cps.ncmp.events.cmnotificationsubscription_merge1_0_0.ncmp_to_dmi.ScopeFilter;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class CmNotificationSubscriptionDmiInEventMapper {
+
+    private final InventoryPersistence inventoryPersistence;
+
+    /**
+     * Mapper to form a request for the DMI Plugin for the Cm Notification Subscription.
+     *
+     * @param dmiCmNotificationSubscriptionPredicates Collection of Cm Notification Subscription predicates
+     * @return CmNotificationSubscriptionDmiInEvent to be sent to DMI Plugin
+     */
+    public CmNotificationSubscriptionDmiInEvent toCmNotificationSubscriptionDmiInEvent(
+            final List<DmiCmNotificationSubscriptionPredicate> dmiCmNotificationSubscriptionPredicates) {
+        final CmNotificationSubscriptionDmiInEvent cmNotificationSubscriptionDmiInEvent =
+                new CmNotificationSubscriptionDmiInEvent();
+        final Data cmSubscriptionData = new Data();
+        cmSubscriptionData.setPredicates(mapToDmiInEventPredicates(dmiCmNotificationSubscriptionPredicates));
+        cmSubscriptionData.setCmhandles(mapToCmSubscriptionCmhandleWithPrivateProperties(
+                extractUniqueCmHandleIds(dmiCmNotificationSubscriptionPredicates)));
+        cmNotificationSubscriptionDmiInEvent.setData(cmSubscriptionData);
+        return cmNotificationSubscriptionDmiInEvent;
+
+    }
+
+    private List<Predicate> mapToDmiInEventPredicates(
+            final List<DmiCmNotificationSubscriptionPredicate> dmiCmNotificationSubscriptionPredicates) {
+
+        final List<Predicate> predicates = new ArrayList<>();
+
+        dmiCmNotificationSubscriptionPredicates.forEach(dmiCmNotificationSubscriptionPredicate -> {
+            final Predicate predicate = new Predicate();
+            final ScopeFilter scopeFilter = new ScopeFilter();
+            scopeFilter.setDatastore(ScopeFilter.Datastore.fromValue(
+                    dmiCmNotificationSubscriptionPredicate.getDatastoreType().getDatastoreName()));
+            scopeFilter.setXpathFilter(dmiCmNotificationSubscriptionPredicate.getXpaths());
+            predicate.setScopeFilter(scopeFilter);
+            predicate.setTargetFilter(dmiCmNotificationSubscriptionPredicate.getTargetCmHandleIds());
+            predicates.add(predicate);
+        });
+
+        return predicates;
+
+    }
+
+    private List<Cmhandle> mapToCmSubscriptionCmhandleWithPrivateProperties(final Set<String> cmHandleIds) {
+
+        final List<Cmhandle> cmSubscriptionCmHandles = new ArrayList<>();
+
+        inventoryPersistence.getYangModelCmHandles(cmHandleIds).forEach(yangModelCmHandle -> {
+            final Cmhandle cmhandle = new Cmhandle();
+            final Map<String, String> cmhandleDmiProperties = new LinkedHashMap<>();
+            yangModelCmHandle.getDmiProperties()
+                    .forEach(dmiProperty -> cmhandleDmiProperties.put(dmiProperty.getName(), dmiProperty.getValue()));
+            cmhandle.setCmhandleId(yangModelCmHandle.getId());
+            cmhandle.setPrivateProperties(cmhandleDmiProperties);
+            cmSubscriptionCmHandles.add(cmhandle);
+        });
+
+        return cmSubscriptionCmHandles;
+
+    }
+
+    private Set<String> extractUniqueCmHandleIds(
+            final List<DmiCmNotificationSubscriptionPredicate> dmiCmNotificationSubscriptionPredicates) {
+
+        final Set<String> cmHandleIds = new HashSet<>();
+        dmiCmNotificationSubscriptionPredicates.forEach(dmiCmNotificationSubscriptionPredicate -> cmHandleIds.addAll(
+                dmiCmNotificationSubscriptionPredicate.getTargetCmHandleIds()));
+        return cmHandleIds;
+    }
+
+
+}
diff --git a/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/mapper/CmNotificationSubscriptionDmiInEventMapperSpec.groovy b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/mapper/CmNotificationSubscriptionDmiInEventMapperSpec.groovy
new file mode 100644
index 0000000000..44a7470459
--- /dev/null
+++ b/cps-ncmp-service/src/test/groovy/org/onap/cps/ncmp/api/impl/events/cmsubscription/mapper/CmNotificationSubscriptionDmiInEventMapperSpec.groovy
@@ -0,0 +1,57 @@
+/*
+ * ============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.mapper
+
+
+import org.onap.cps.ncmp.api.impl.events.cmsubscription.model.DmiCmNotificationSubscriptionPredicate
+import org.onap.cps.ncmp.api.impl.inventory.InventoryPersistence
+import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle
+import spock.lang.Specification
+
+import static org.onap.cps.ncmp.api.impl.operations.DatastoreType.PASSTHROUGH_OPERATIONAL
+import static org.onap.cps.ncmp.api.impl.operations.DatastoreType.PASSTHROUGH_RUNNING
+
+class CmNotificationSubscriptionDmiInEventMapperSpec extends Specification {
+
+    def mockInventoryPersistence = Mock(InventoryPersistence)
+
+    def objectUnderTest = new CmNotificationSubscriptionDmiInEventMapper(mockInventoryPersistence)
+
+    def setup() {
+        def yangModelCmHandles = [new YangModelCmHandle(id: 'ch-1', dmiProperties: [new YangModelCmHandle.Property('k1', 'v1')], publicProperties: []),
+                                  new YangModelCmHandle(id: 'ch-2', dmiProperties: [new YangModelCmHandle.Property('k2', 'v2')], publicProperties: [])]
+        mockInventoryPersistence.getYangModelCmHandles(['ch-1', 'ch-2'] as Set) >> yangModelCmHandles
+    }
+
+    def 'Check for Cm Notification Subscription DMI In Event mapping'() {
+        given: 'a collection of cm subscription predicates'
+            def dmiCmNotificationSubscriptionPredicates = [new DmiCmNotificationSubscriptionPredicate(targetCmHandleIds: ['ch-1'], datastoreType: PASSTHROUGH_RUNNING, xpaths: ['/ch-1']),
+                                                           new DmiCmNotificationSubscriptionPredicate(targetCmHandleIds: ['ch-2'], datastoreType: PASSTHROUGH_OPERATIONAL, xpaths: ['/ch-2'])]
+        when: 'we try to map the values'
+            def result = objectUnderTest.toCmNotificationSubscriptionDmiInEvent(dmiCmNotificationSubscriptionPredicates)
+        then: 'it contains correct cm notification subscription cmhandle object'
+            assert result.data.cmhandles.cmhandleId.containsAll(['ch-1', 'ch-2'])
+            assert result.data.cmhandles.privateProperties.containsAll([['k1': 'v1'], ['k2': 'v2']])
+        and: 'also has the correct dmi cm notification subscription predicates'
+            assert result.data.predicates.targetFilter.containsAll([['ch-1'], ['ch-2']])
+
+    }
+}
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