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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021 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.openecomp.sdc.be.model.operations.impl;
import fj.data.Either;
import java.nio.charset.StandardCharsets;
import java.util.Collections;
import java.util.EnumMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.stream.Collectors;
import org.apache.commons.collections.MapUtils;
import org.apache.commons.lang3.StringUtils;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.be.dao.cassandra.ToscaModelImportCassandraDao;
import org.openecomp.sdc.be.dao.janusgraph.JanusGraphGenericDao;
import org.openecomp.sdc.be.dao.janusgraph.JanusGraphOperationStatus;
import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
import org.openecomp.sdc.be.dao.jsongraph.JanusGraphDao;
import org.openecomp.sdc.be.dao.jsongraph.types.VertexTypeEnum;
import org.openecomp.sdc.be.data.model.ToscaImportByModel;
import org.openecomp.sdc.be.datatypes.enums.GraphPropertyEnum;
import org.openecomp.sdc.be.model.Model;
import org.openecomp.sdc.be.model.jsonjanusgraph.operations.exception.OperationException;
import org.openecomp.sdc.be.model.jsonjanusgraph.operations.exception.ModelOperationExceptionSupplier;
import org.openecomp.sdc.be.resources.data.ModelData;
import org.openecomp.sdc.common.log.enums.EcompLoggerErrorCode;
import org.openecomp.sdc.common.log.wrappers.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
@Component("model-operation")
public class ModelOperation {
private static final Logger log = Logger.getLogger(ModelOperation.class);
private final JanusGraphGenericDao janusGraphGenericDao;
private final JanusGraphDao janusGraphDao;
private final ToscaModelImportCassandraDao toscaModelImportCassandraDao;
@Autowired
public ModelOperation(final JanusGraphGenericDao janusGraphGenericDao,
final JanusGraphDao janusGraphDao,
final ToscaModelImportCassandraDao toscaModelImportCassandraDao) {
this.janusGraphGenericDao = janusGraphGenericDao;
this.janusGraphDao = janusGraphDao;
this.toscaModelImportCassandraDao = toscaModelImportCassandraDao;
}
public Model createModel(final Model model, final boolean inTransaction) {
Model result = null;
final var modelData = new ModelData(model.getName(), UniqueIdBuilder.buildModelUid(model.getName()));
try {
final Either<ModelData, JanusGraphOperationStatus> createNode = janusGraphGenericDao.createNode(modelData, ModelData.class);
if (createNode.isRight()) {
final var janusGraphOperationStatus = createNode.right().value();
log.error(EcompLoggerErrorCode.DATA_ERROR, ModelOperation.class.getName(), "Problem while creating model, reason {}",
janusGraphOperationStatus);
if (janusGraphOperationStatus == JanusGraphOperationStatus.JANUSGRAPH_SCHEMA_VIOLATION) {
throw ModelOperationExceptionSupplier.modelAlreadyExists(model.getName()).get();
}
throw new OperationException(ActionStatus.GENERAL_ERROR,
String.format("Failed to create model %s on JanusGraph with %s error", model, janusGraphOperationStatus));
}
result = new Model(createNode.left().value().getName());
return result;
} finally {
if (!inTransaction) {
if (Objects.nonNull(result)) {
janusGraphGenericDao.commit();
} else {
janusGraphGenericDao.rollback();
}
}
}
}
public Optional<GraphVertex> findModelVertexByName(final String name) {
if (StringUtils.isEmpty(name)) {
return Optional.empty();
}
final Map<GraphPropertyEnum, Object> props = new EnumMap<>(GraphPropertyEnum.class);
props.put(GraphPropertyEnum.NAME, name);
props.put(GraphPropertyEnum.UNIQUE_ID, UniqueIdBuilder.buildModelUid(name));
final List<GraphVertex> modelVerticesList = findModelVerticesByCriteria(props);
if (modelVerticesList.isEmpty()) {
return Optional.empty();
}
return Optional.ofNullable(modelVerticesList.get(0));
}
public Optional<Model> findModelByName(final String name) {
if (StringUtils.isEmpty(name)) {
return Optional.empty();
}
final Optional<GraphVertex> modelVertexOpt = findModelVertexByName(name);
if (modelVertexOpt.isEmpty()) {
return Optional.empty();
}
final GraphVertex graphVertex = modelVertexOpt.get();
return Optional.of(convertToModel(graphVertex));
}
public void createModelImports(final String modelId, final Map<String, byte[]> zipContent) {
if (MapUtils.isEmpty(zipContent)) {
return;
}
final List<ToscaImportByModel> toscaImportByModelList = zipContent.entrySet().stream()
.map(entry -> {
final String path = entry.getKey();
final byte[] bytes = entry.getValue();
final String content = new String(bytes, StandardCharsets.UTF_8);
final var toscaImportByModel = new ToscaImportByModel();
toscaImportByModel.setModelId(modelId);
toscaImportByModel.setFullPath(path);
toscaImportByModel.setContent(content);
return toscaImportByModel;
}).collect(Collectors.toList());
toscaModelImportCassandraDao.importAll(modelId, toscaImportByModelList);
}
/**
* Finds all the models.
*
* @return the list of models
*/
public List<Model> findAllModels() {
return findModelsByCriteria(Collections.emptyMap());
}
private List<Model> findModelsByCriteria(final Map<GraphPropertyEnum, Object> propertyCriteria) {
final List<GraphVertex> modelVerticesByCriteria = findModelVerticesByCriteria(propertyCriteria);
if (modelVerticesByCriteria.isEmpty()) {
return Collections.emptyList();
}
return modelVerticesByCriteria.stream().map(this::convertToModel).collect(Collectors.toList());
}
private List<GraphVertex> findModelVerticesByCriteria(final Map<GraphPropertyEnum, Object> propertyCriteria) {
final Either<List<GraphVertex>, JanusGraphOperationStatus> result = janusGraphDao.getByCriteria(VertexTypeEnum.MODEL, propertyCriteria);
if (result.isRight()) {
final var janusGraphOperationStatus = result.right().value();
if (janusGraphOperationStatus == JanusGraphOperationStatus.NOT_FOUND) {
return Collections.emptyList();
}
final var operationException = ModelOperationExceptionSupplier.failedToRetrieveModels(janusGraphOperationStatus).get();
log.error(EcompLoggerErrorCode.DATA_ERROR, this.getClass().getName(), operationException.getMessage());
throw operationException;
}
return result.left().value();
}
private Model convertToModel(final GraphVertex modelGraphVertex) {
return new Model((String) modelGraphVertex.getMetadataProperty(GraphPropertyEnum.NAME));
}
}
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