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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021-2022 Nordix Foundation
* Modifications Copyright (C) 2022 Bell Canada.
* Modifications Copyright (C) 2022-2023 TechMahindra Ltd.
* ================================================================================
* 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.rest.controller;
import io.micrometer.core.annotation.Timed;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import lombok.RequiredArgsConstructor;
import org.onap.cps.api.CpsQueryService;
import org.onap.cps.rest.api.CpsQueryApi;
import org.onap.cps.spi.FetchDescendantsOption;
import org.onap.cps.spi.model.DataNode;
import org.onap.cps.utils.DataMapUtils;
import org.onap.cps.utils.JsonObjectMapper;
import org.onap.cps.utils.PrefixResolver;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping("${rest.api.cps-base-path}")
@RequiredArgsConstructor
public class QueryRestController implements CpsQueryApi {
private final CpsQueryService cpsQueryService;
private final JsonObjectMapper jsonObjectMapper;
private final PrefixResolver prefixResolver;
@Override
@Timed(value = "cps.data.controller.datanode.query.v1",
description = "Time taken to query data nodes")
public ResponseEntity<Object> getNodesByDataspaceAndAnchorAndCpsPath(final String dataspaceName,
final String anchorName, final String cpsPath, final Boolean includeDescendants) {
final FetchDescendantsOption fetchDescendantsOption = Boolean.TRUE.equals(includeDescendants)
? FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS : FetchDescendantsOption.OMIT_DESCENDANTS;
return executeNodesByDataspaceQueryAndCreateResponse(dataspaceName, anchorName, cpsPath,
fetchDescendantsOption);
}
@Override
@Timed(value = "cps.data.controller.datanode.query.v2",
description = "Time taken to query data nodes")
public ResponseEntity<Object> getNodesByDataspaceAndAnchorAndCpsPathV2(final String dataspaceName,
final String anchorName, final String cpsPath, final String fetchDescendantsOptionAsString) {
final FetchDescendantsOption fetchDescendantsOption =
FetchDescendantsOption.getFetchDescendantsOption(fetchDescendantsOptionAsString);
return executeNodesByDataspaceQueryAndCreateResponse(dataspaceName, anchorName, cpsPath,
fetchDescendantsOption);
}
@Override
public ResponseEntity<Object> getNodesByDataspaceAndCpsPath(final String dataspaceName,
final String cpsPath, final String fetchDescendantsOptionAsString) {
final FetchDescendantsOption fetchDescendantsOption =
FetchDescendantsOption.getFetchDescendantsOption(fetchDescendantsOptionAsString);
final Collection<DataNode> dataNodes =
cpsQueryService.queryDataNodesAcrossAnchors(dataspaceName, cpsPath, fetchDescendantsOption);
final List<Map<String, Object>> dataMaps = new ArrayList<>(dataNodes.size());
String prefix = null;
for (final DataNode dataNode : dataNodes) {
if (prefix == null) {
prefix = prefixResolver.getPrefix(dataspaceName, dataNode.getAnchorName(), dataNode.getXpath());
}
final Map<String, Object> dataMap = DataMapUtils.toDataMapWithIdentifierAndAnchor(dataNode, prefix);
dataMaps.add(dataMap);
}
return new ResponseEntity<>(jsonObjectMapper.asJsonString(dataMaps), HttpStatus.OK);
}
private ResponseEntity<Object> executeNodesByDataspaceQueryAndCreateResponse(final String dataspaceName,
final String anchorName, final String cpsPath, final FetchDescendantsOption fetchDescendantsOption) {
final Collection<DataNode> dataNodes =
cpsQueryService.queryDataNodes(dataspaceName, anchorName, cpsPath, fetchDescendantsOption);
final List<Map<String, Object>> dataNodesAsListOfMaps = new ArrayList<>(dataNodes.size());
String prefix = null;
for (final DataNode dataNode : dataNodes) {
if (prefix == null) {
prefix = prefixResolver.getPrefix(dataspaceName, anchorName, dataNode.getXpath());
}
final Map<String, Object> dataMap = DataMapUtils.toDataMapWithIdentifier(dataNode, prefix);
dataNodesAsListOfMaps.add(dataMap);
}
return new ResponseEntity<>(jsonObjectMapper.asJsonString(dataNodesAsListOfMaps), HttpStatus.OK);
}
}
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