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/*
* ============LICENSE_START=======================================================
* org.onap.dcae
* ================================================================================
* Copyright (c) 2020-2021 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.policymodel;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import org.onap.dcaegen2.platform.mod.model.exceptions.ErrorMessages;
import org.onap.dcaegen2.platform.mod.model.exceptions.policymodel.PolicyModelConflictException;
import org.onap.dcaegen2.platform.mod.model.exceptions.policymodel.PolicyModelDistributionEnvNotFoundException;
import org.onap.dcaegen2.platform.mod.model.exceptions.policymodel.PolicyModelNotFoundException;
import org.onap.dcaegen2.platform.mod.model.policymodel.DistributionInfo;
import org.onap.dcaegen2.platform.mod.model.policymodel.PolicyModel;
import org.onap.dcaegen2.platform.mod.model.policymodel.PolicyModelDistributionEnv;
import org.onap.dcaegen2.platform.mod.model.restapi.MetadataRequest;
import org.onap.dcaegen2.platform.mod.model.restapi.PolicyModelCreateRequest;
import org.onap.dcaegen2.platform.mod.model.restapi.PolicyModelUpdateRequest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Date;
import java.util.List;
/**
* Policy Model Service implementation
*/
@Service
@Setter
@Slf4j
public class PolicyModelServiceImpl implements PolicyModelService {
@Value("${policymodel.dev.server}")
private String devServer;
@Value("${policymodel.dev.port}")
private String devServerPort;
@Value("${policymodel.dev.user}")
private String devServerUser;
@Value("${policymodel.dev.password}")
private String devServerPassword;
@Autowired
private PolicyModelGateway policyModelGateway;
/**
* Lists all Policy Models
*
* @return
*/
@Override
public List<PolicyModel> getAll() {
return policyModelGateway.findAll();
}
/**
* List a Policy Model by policyModel ID
*
* @param id
* @return
*/
@Override
public PolicyModel getPolicyModelById(String id) {
return policyModelGateway.findById(id).orElseThrow(() -> new PolicyModelNotFoundException(String.format("Policy Model with id %s not found", id)));
}
/**
* creates a Policy Model
*
* @param request
* @return
*/
@Override
@Transactional
public PolicyModel createPolicyModel(PolicyModelCreateRequest request, String user) {
checkIfPMNameAndVersionAlreadyExists(request.getName(), request.getVersion());
PolicyModel policyModel = new PolicyModel();
policyModel.setName(request.getName());
policyModel.setContent(request.getContent());
policyModel.setVersion(request.getVersion());
policyModel.setOwner(request.getOwner());
policyModel.setMetadata(getMetadataFields(request.getMetadata(), user));
return policyModelGateway.save(policyModel);
}
/**
* Update a Policy Model
*
* @param request
* @param modelId
* @return
*/
@Override
public PolicyModel updatePolicyModel(PolicyModelUpdateRequest request, String modelId, String user) {
PolicyModel policyModel = getPolicyModelById(modelId);
updateFields(request, policyModel,user);
return policyModelGateway.save(policyModel);
}
/**
* Cerifies if a Policy Model Exist
*
* @param pmName
* @param pmVersion
* @return
*/
private void checkIfPMNameAndVersionAlreadyExists(String pmName, String pmVersion) {
if (policyModelGateway.findByNameAndVersion(pmName, pmVersion).isPresent())
throw new PolicyModelConflictException(ErrorMessages.POLICYMODEL_NAME_VERSION_CONFLICT_MESSAGE);
}
/**
* creates a Policy Model Metadata
*
* @param metadata
* @param user
* @return
*/
private MetadataRequest getMetadataFields(MetadataRequest metadata, String user) {
MetadataRequest metadataFields = MetadataRequest.builder().build();
metadataFields.setCreatedBy(user);
metadataFields.setCreatedOn(new Date());
if(metadata != null) {
if (metadata.getNotes() != null)
metadataFields.setNotes(metadata.getNotes());
if (metadata.getLabels() != null)
metadataFields.setLabels(metadata.getLabels());
}
return metadataFields;
}
/**
* Updates a Policy Model
*
* @param request
* @param policyModel
* @param user
* @return
*/
private void updateFields(PolicyModelUpdateRequest request, PolicyModel policyModel, String user) {
String name = request.getName();
String version = request.getVersion();
if (!(name.equalsIgnoreCase(policyModel.getName()) && version.equalsIgnoreCase(policyModel.getVersion()))) {
checkIfPMNameAndVersionAlreadyExists(name, version);
policyModel.setName(name);
policyModel.setVersion(version);
}
if (request.getOwner() != null) {
policyModel.setOwner(request.getOwner());
}
if (request.getContent() != null) {
policyModel.setContent(request.getContent());
}
if (request.getMetadata() != null) {
updateMetadata(request,user);
policyModel.setMetadata(request.getMetadata());
}
}
/**
* Updates a Policy Model Metadata
*
* @param request
* @param user
* @return
*/
private void updateMetadata(PolicyModelUpdateRequest request, String user) {
MetadataRequest metadataRequest = request.getMetadata();
metadataRequest.setUpdatedBy(user);
metadataRequest.setUpdatedOn(new Date());
}
}
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