ca.uhn.fhir.jpa.mdm.svc.candidate.FindCandidateByEidSvc Maven / Gradle / Ivy

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/*-
 * #%L
 * HAPI FHIR JPA Server - Master Data Management
 * %%
 * Copyright (C) 2014 - 2024 Smile CDR, Inc.
 * %%
 * 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.
 * #L%
 */
package ca.uhn.fhir.jpa.mdm.svc.candidate;

import ca.uhn.fhir.interceptor.model.RequestPartitionId;
import ca.uhn.fhir.jpa.mdm.dao.MdmLinkDaoSvc;
import ca.uhn.fhir.mdm.api.IMdmLink;
import ca.uhn.fhir.mdm.api.IMdmResourceDaoSvc;
import ca.uhn.fhir.mdm.api.MdmMatchOutcome;
import ca.uhn.fhir.mdm.log.Logs;
import ca.uhn.fhir.mdm.model.CanonicalEID;
import ca.uhn.fhir.mdm.util.EIDHelper;
import ca.uhn.fhir.mdm.util.MdmPartitionHelper;
import ca.uhn.fhir.rest.api.server.storage.IResourcePersistentId;
import org.hl7.fhir.instance.model.api.IAnyResource;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;
import java.util.Optional;

@Service
public class FindCandidateByEidSvc extends BaseCandidateFinder {

	private static final Logger ourLog = Logs.getMdmTroubleshootingLog();

	@Autowired
	private EIDHelper myEIDHelper;

	@Autowired
	private IMdmResourceDaoSvc myMdmResourceDaoSvc;

	@Autowired
	private MdmLinkDaoSvc myMdmLinkDaoSvc;

	@Autowired
	MdmPartitionHelper myMdmPartitionHelper;

	@Override
	protected List findMatchGoldenResourceCandidates(IAnyResource theIncomingResource) {
		List retval = new ArrayList<>();

		List eidFromResource = myEIDHelper.getExternalEid(theIncomingResource);
		if (!eidFromResource.isEmpty()) {
			for (CanonicalEID eid : eidFromResource) {
				Optional oFoundGoldenResource = myMdmResourceDaoSvc.searchGoldenResourceByEID(
						eid.getValue(),
						theIncomingResource.getIdElement().getResourceType(),
						myMdmPartitionHelper.getRequestPartitionIdFromResourceForSearch(theIncomingResource));
				if (oFoundGoldenResource.isPresent()) {
					IAnyResource foundGoldenResource = oFoundGoldenResource.get();
					// Exclude manually declared NO_MATCH links from candidates
					if (isNoMatch(foundGoldenResource, theIncomingResource)) {
						continue;
					}
					IResourcePersistentId pidOrNull =
							myIdHelperService.getPidOrNull(RequestPartitionId.allPartitions(), foundGoldenResource);
					MatchedGoldenResourceCandidate mpc =
							new MatchedGoldenResourceCandidate(pidOrNull, MdmMatchOutcome.EID_MATCH);
					ourLog.debug(
							"Incoming Resource {} matched Golden Resource {} by EID {}",
							theIncomingResource.getIdElement().toUnqualifiedVersionless(),
							foundGoldenResource.getIdElement().toUnqualifiedVersionless(),
							eid);

					retval.add(mpc);
				}
			}
		}
		return retval;
	}

	private boolean isNoMatch(IAnyResource theGoldenResource, IAnyResource theSourceResource) {
		Optional oLink =
				myMdmLinkDaoSvc.getLinkByGoldenResourceAndSourceResource(theGoldenResource, theSourceResource);
		if (oLink.isEmpty()) {
			return false;
		}
		IMdmLink link = oLink.get();
		return link.isNoMatch();
	}

	@Override
	protected CandidateStrategyEnum getStrategy() {
		return CandidateStrategyEnum.EID;
	}
}