1 files changed, 213 insertions, 0 deletions
diff --git a/mod2/catalog-service/src/main/java/org/onap/dcaegen2/platform/mod/web/service/microserviceinstance/MsInstanceServiceImpl.java b/mod2/catalog-service/src/main/java/org/onap/dcaegen2/platform/mod/web/service/microserviceinstance/MsInstanceServiceImpl.java
new file mode 100644
index 0000000..e4d5694
--- /dev/null
+++ b/mod2/catalog-service/src/main/java/org/onap/dcaegen2/platform/mod/web/service/microserviceinstance/MsInstanceServiceImpl.java
@@ -0,0 +1,213 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  org.onap.dcae
+ *  ================================================================================
+ *  Copyright (c) 2020 AT&T Intellectual Property. All rights reserved.
+ *  ================================================================================
+ *  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.
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.dcaegen2.platform.mod.web.service.microserviceinstance;
+
+import org.onap.dcaegen2.platform.mod.model.basemicroservice.BaseMicroservice;
+import org.onap.dcaegen2.platform.mod.model.deploymentartifact.DeploymentArtifact;
+import org.onap.dcaegen2.platform.mod.model.exceptions.msinstance.MsInstanceAlreadyExistsException;
+import org.onap.dcaegen2.platform.mod.model.exceptions.msinstance.MsInstanceNotFoundException;
+import org.onap.dcaegen2.platform.mod.model.microserviceinstance.MsInstance;
+import org.onap.dcaegen2.platform.mod.model.microserviceinstance.MsInstanceStatus;
+import org.onap.dcaegen2.platform.mod.model.restapi.MsInstanceRequest;
+import org.onap.dcaegen2.platform.mod.model.restapi.MsInstanceUpdateRequest;
+import org.onap.dcaegen2.platform.mod.web.service.basemicroservice.MsService;
+import org.onap.dcaegen2.platform.mod.web.service.deploymentartifact.DeploymentArtifactService;
+import org.onap.dcaegen2.platform.mod.web.service.specification.SpecificationService;
+import lombok.Setter;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * MsInstance Service implementation
+ */
+@Service
+@Setter
+@Slf4j
+public class MsInstanceServiceImpl implements MsInstanceService {
+
+    @Autowired
+    private MsInstanceGateway msInstanceRepository;
+
+    @Autowired
+    private MsService msService;
+
+    @Autowired
+    private MsInstanceStatusChangeHandler msInstanceStatusChangeHandler;
+
+    @Autowired
+    private SpecificationService specificationService;
+
+    @Autowired
+    private DeploymentArtifactService deploymentArtifactService;
+
+    @Override
+    public List<MsInstance> getAll() {
+        return msInstanceRepository.findAll();
+    }
+
+    @Override
+    @Transactional
+    public MsInstance createMicroserviceInstance(String msName, MsInstanceRequest request) {
+        BaseMicroservice microservice = msService.getMicroserviceByName(msName);
+        checkIftheCombinationOfNameAndReleaseIsUnique(request.getName(), request.getRelease());
+        MsInstance msInstance = new MsInstanceCreator(request, microservice).create();
+        MsInstance savedMsInstance = msInstanceRepository.save(msInstance);
+        msService.saveMsInstanceReferenceToMs(microservice, savedMsInstance);
+        return savedMsInstance;
+    }
+
+    private void checkIftheCombinationOfNameAndReleaseIsUnique(String name, String release) {
+        if (msInstanceRepository.findByNameAndRelease(name, release).isPresent())
+            throw new MsInstanceAlreadyExistsException();
+    }
+
+    @Override
+    public MsInstance getMsInstanceById(String id) {
+        return msInstanceRepository.findById(id).orElseThrow(() ->
+                new MsInstanceNotFoundException(String.format("Ms Instance with id %s not found", id)));
+    }
+
+    @Override
+    public void updateMsInstance(MsInstance msInstance) {
+        log.info("Saving the msInstance {} to database..", msInstance);
+        if(msInstance != null) msInstanceRepository.save(msInstance);
+    }
+
+    @Override
+    public void updateStatusBasedOnDeploymentArtifactsStatuses(String msInstanceId) {
+        MsInstance msInstance = getMsInstanceById(msInstanceId);
+        msInstanceStatusChangeHandler.updateStatusBasedOnDeploymentArtifactsStatuses(msInstance);
+        updateMsInstance(msInstance);
+    }
+
+    @Override
+    @Transactional
+    public void removeDeploymentArtifactFromMsInstance(DeploymentArtifact deploymentArtifact) {
+        MsInstance msInstance = getMsInstanceById(deploymentArtifact.getMsInstanceInfo().getId());
+        removeDeploymentArtifactReferenceFromMsInstance(msInstance, deploymentArtifact.getId());
+        msInstanceStatusChangeHandler.updateStatusBasedOnDeploymentArtifactsStatuses(msInstance);
+        updateMsInstance(msInstance);
+    }
+
+    @Override
+    //TODO: update msInstanceReference in specification and deployment artifact
+    public void updateMicroserviceReference(BaseMicroservice microservice) {
+        List<Map<String, String>> msInstanceRefs = microservice.getMsInstances();
+        for(Map<String, String> ref : msInstanceRefs){
+            MsInstance msInstance = getMsInstanceById(ref.get("id"));
+            msInstance.setName(microservice.getName());
+            msInstance.getMsInfo().put("name", microservice.getName());
+            cascadeUpdates(msInstance);
+            msInstanceRepository.save(msInstance);
+        }
+    }
+
+    @Override
+    @Transactional
+    public MsInstance updateMsInstance(MsInstanceUpdateRequest updateRequest, String msInstanceId) {
+        MsInstance msInstance = getMsInstanceById(msInstanceId);
+        updateRelease(updateRequest, msInstance);
+        updateVersion(updateRequest, msInstance);
+        updateMetadata(updateRequest, msInstance);
+        cascadeUpdates(msInstance);
+        return msInstanceRepository.save(msInstance);
+    }
+
+    private void cascadeUpdates(MsInstance msInstance) {
+        specificationService.updateMsInstanceRef(msInstance);
+        deploymentArtifactService.updateMsInstanceRef(msInstance);
+        msService.updateMsInstanceRef(msInstance);
+    }
+
+    private void updateMetadata(MsInstanceUpdateRequest updateRequest, MsInstance msInstance) {
+        if(updateRequest.getMetadata() != null){
+            msInstance.getMetadata().putAll(updateRequest.getMetadata());
+        }
+
+        msInstance.getMetadata().put("updatedOn", new Date());
+        msInstance.getMetadata().put("updatedBy", updateRequest.getUser());
+    }
+
+    private void updateVersion(MsInstanceUpdateRequest updateRequest, MsInstance msInstance) {
+        if(updateRequest.getVersion() != null){
+            msInstance.setVersion(updateRequest.getVersion());
+        }
+    }
+
+    private void updateRelease(MsInstanceUpdateRequest updateRequest, MsInstance msInstance) {
+        if(updateRequest.getRelease() != null) {
+            if(!updateRequest.getRelease().equals(msInstance.getRelease()))
+                checkIftheCombinationOfNameAndReleaseIsUnique(msInstance.getName(), updateRequest.getRelease());
+            msInstance.setRelease(updateRequest.getRelease());
+        }
+    }
+
+    private void removeDeploymentArtifactReferenceFromMsInstance(MsInstance msInstance, String deploymentArtifactId) {
+        if(msInstance.getDeploymentArtifactsInfo() != null){
+            List<String> refIds = msInstance.getDeploymentArtifactsInfo().getDeploymentArtifacts();
+            refIds.remove(deploymentArtifactId);
+        }
+    }
+
+    private class MsInstanceCreator {
+        private MsInstanceRequest request;
+        private BaseMicroservice microserviceDAO;
+
+        MsInstanceCreator(MsInstanceRequest request, BaseMicroservice microserviceDAO) {
+            this.request = request;
+            this.microserviceDAO = microserviceDAO;
+        }
+
+        MsInstance create() {
+            //prepare MsInstance from the request
+            return MsInstance.builder()
+                    .name(request.getName())
+                    .release(request.getRelease())
+                    .status(MsInstanceStatus.NEW)
+                    .version(request.getVersion())
+                    .msInfo(getMsReference(microserviceDAO))
+                    .metadata(getMetadata(request))
+                    .build();
+        }
+
+        private Map<String, Object> getMsReference(BaseMicroservice microserviceDAO) {
+            Map<String,Object> msInfo = new HashMap<>();
+            msInfo.put("id", microserviceDAO.getId());
+            msInfo.put("name", microserviceDAO.getName());
+            msInfo.put("tag", microserviceDAO.getTag());
+            return msInfo;
+        }
+
+        private Map<String, Object> getMetadata(MsInstanceRequest request) {
+            Map<String, Object> metadata = request.getMetadata();
+            metadata.put("createdBy", request.getUser());
+            metadata.put("createdOn", new Date());
+            return metadata;
+        }
+    }
+}