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ConceptMapConverter.java
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ConceptMapConverter.java
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package org.openconceptlab.fhir.converter;
import org.apache.commons.lang3.StringUtils;
import org.hl7.fhir.r4.model.*;
import org.openconceptlab.fhir.model.Concept;
import org.openconceptlab.fhir.model.Mapping;
import org.openconceptlab.fhir.model.Source;
import org.openconceptlab.fhir.model.UserProfile;
import org.openconceptlab.fhir.repository.*;
import org.openconceptlab.fhir.util.OclFhirUtil;
import org.springframework.data.domain.PageRequest;
import org.springframework.stereotype.Component;
import javax.sql.DataSource;
import java.util.*;
import java.util.stream.Collectors;
import static org.openconceptlab.fhir.util.OclFhirConstants.*;
import static org.openconceptlab.fhir.util.OclFhirUtil.*;
import static org.openconceptlab.fhir.util.OclFhirUtil.isValid;
@Component
public class ConceptMapConverter extends BaseConverter {
public ConceptMapConverter(SourceRepository sourceRepository, ConceptRepository conceptRepository, OclFhirUtil oclFhirUtil,
UserProfile oclUser, ConceptsSourceRepository conceptsSourceRepository, DataSource dataSource,
AuthtokenRepository authtokenRepository, UserProfilesOrganizationRepository userProfilesOrganizationRepository,
OrganizationRepository organizationRepository, UserRepository userRepository, CollectionRepository collectionRepository,
MappingRepository mappingRepository) {
super(sourceRepository, conceptRepository, oclFhirUtil, oclUser, conceptsSourceRepository, dataSource, authtokenRepository,
userProfilesOrganizationRepository, organizationRepository, userRepository, collectionRepository, mappingRepository);
}
public List<ConceptMap> convertToConceptMap(List<Source> sources, boolean includeMappings, int page) {
List<ConceptMap> conceptMaps = new ArrayList<>();
sources.forEach(source -> {
// convert to base concept map
ConceptMap conceptMap = toConceptMap(source);
if (includeMappings) {
// populate mappings
addMappingsToConceptMap(conceptMap, source.getId(), page);
}
conceptMaps.add(conceptMap);
});
return conceptMaps;
}
private ConceptMap toConceptMap(final Source source) {
ConceptMap conceptMap = new ConceptMap();
// Url
if(StringUtils.isNotBlank(source.getCanonicalUrl())) {
conceptMap.setUrl(source.getCanonicalUrl());
}
// id
conceptMap.setId(source.getMnemonic());
// identifier
getIdentifier(source.getUri().replace("sources", "ConceptMap"))
.ifPresent(conceptMap::setIdentifier);
// version
conceptMap.setVersion(source.getVersion());
// name
conceptMap.setName(source.getName());
// title
if(StringUtils.isNotBlank(source.getFullName())) {
conceptMap.setTitle(source.getFullName());
}
// status
addStatus(conceptMap, source.getRetired() != null ? source.getRetired() : False,
source.getReleased() != null ? source.getReleased() : False);
// description
if(StringUtils.isNotBlank(source.getDescription()))
conceptMap.setDescription(source.getDescription());
// publisher
if (isValid(source.getPublisher()))
conceptMap.setPublisher(source.getPublisher());
// override default identifier with database value
// identifier, contact, jurisdiction
addJsonFields(conceptMap, isValid(source.getIdentifier()) && !EMPTY_JSON.equals(source.getIdentifier()) ?
source.getIdentifier() : EMPTY, source.getContact(), source.getJurisdiction());
// purpose
if (isValid(source.getPurpose()))
conceptMap.setPurpose(source.getPurpose());
// copyright
if (isValid(source.getCopyright()))
conceptMap.setCopyright(source.getCopyright());
// revision date
if (source.getRevisionDate() != null)
conceptMap.setDate(source.getRevisionDate());
return conceptMap;
}
private void addMappingsToConceptMap(final ConceptMap conceptMap, final Long sourceId, int page) {
List<Mapping> mappings = mappingRepository.findMappings(sourceId, PageRequest.of(page, 100));
if (mappings != null && !mappings.isEmpty())
addMappings(conceptMap, mappings);
}
private void addMappings(final ConceptMap conceptMap, final List<Mapping> mappings) {
// creates ConceptMapGroups by grouping source/sourceversion/target/targetversion
Map<Object, List<ConceptMapGroup>> map = mappings.stream().map(ConceptMapGroup::new)
.filter(m -> isValid(m.getFromSystemUrl()) && isValid(m.getFromCode()) &&
isValid(m.getToSystemUrl()) && isValid(m.getToCode()) &&
isValid(m.getEquivalence()))
.collect(Collectors.groupingBy(m -> m.getFromSystemUrl() + m.getFromSystemVersion() + m.getToSystemUrl() + m.getToSystemVersion()));
map.forEach((k,groups) -> {
Optional<ConceptMap.ConceptMapGroupComponent> component = toConceptMapGroupComponent(groups);
component.ifPresent(c -> conceptMap.getGroup().add(c));
});
}
private Optional<ConceptMap.ConceptMapGroupComponent> toConceptMapGroupComponent(List<ConceptMapGroup> conceptMapGroups) {
if (conceptMapGroups != null && !conceptMapGroups.isEmpty()) {
// all conceptMapGroups are for a single parent group
ConceptMap.ConceptMapGroupComponent component = new ConceptMap.ConceptMapGroupComponent();
conceptMapGroups.stream().findAny().ifPresent(conceptMapGroup -> {
component.setSource(conceptMapGroup.getFromSystemUrl());
component.setTarget(conceptMapGroup.getToSystemUrl());
if (isValid(conceptMapGroup.getFromSystemVersion()))
component.setSourceVersion(conceptMapGroup.getFromSystemVersion());
if (isValid(conceptMapGroup.getToSystemVersion()))
component.setTargetVersion(conceptMapGroup.getToSystemVersion());
});
// 1 source code -> * target codes
// group by source code
Map<Object, List<ConceptMapGroup>> codeMap =
new TreeMap<>(conceptMapGroups.stream().collect(Collectors.groupingBy(ConceptMapGroup::getFromCode)));
codeMap.forEach((code, groups) -> {
// one source code
ConceptMap.SourceElementComponent sourceElementComponent = new ConceptMap.SourceElementComponent();
// add source code and display
groups.stream().findAny().ifPresent(group -> {
sourceElementComponent.setCode(group.getFromCode());
if (isValid(group.getFromDisplay()))
sourceElementComponent.setDisplay(group.getFromDisplay());
});
// add multiple target codes
groups.parallelStream().forEach(group -> {
ConceptMap.TargetElementComponent targetElementComponent = new ConceptMap.TargetElementComponent();
targetElementComponent.setCode(group.getToCode());
if (isValid(group.getToDisplay()))
targetElementComponent.setDisplay(group.getToDisplay());
Optional<Enumerations.ConceptMapEquivalence> conceptMapEquivalence = Arrays.stream(Enumerations.ConceptMapEquivalence.values())
.filter(e -> e.toCode().equals(group.getEquivalence())).findAny();
if (conceptMapEquivalence.isPresent()) {
targetElementComponent.setEquivalence(conceptMapEquivalence.get());
} else {
targetElementComponent.getExtensionFirstRep().setUrl("http://fhir.openconceptlab.org/ConceptMap/equivalence")
.setValue(newStringType(group.getEquivalence()));
}
sourceElementComponent.getTarget().add(targetElementComponent);
});
component.getElement().add(sourceElementComponent);
});
return Optional.of(component);
}
return Optional.empty();
}
static class ConceptMapGroup {
private String fromSystemUrl;
private String fromSystemVersion;
private String fromCode;
private String fromDisplay;
private String toSystemUrl;
private String toSystemVersion;
private String toCode;
private String toDisplay;
private String equivalence;
public ConceptMapGroup(final Mapping mapping) {
String fromSourceUrl = mapping.getFromSourceUrl();
if (!isValid(fromSourceUrl)) {
Source source = mapping.getFromSource();
if (source != null)
this.fromSystemUrl = source.getCanonicalUrl();
} else {
this.fromSystemUrl = fromSourceUrl;
}
String toSourceUrl = mapping.getToSourceUrl();
if (!isValid(toSourceUrl)) {
Source source = mapping.getToSource();
if (source != null)
this.toSystemUrl = source.getCanonicalUrl();
} else {
this.toSystemUrl = toSourceUrl;
}
String fromConceptCode = mapping.getFromConceptCode();
if (!isValid(fromConceptCode)) {
Concept fromConcept = mapping.getFromConcept();
if (fromConcept != null)
this.fromCode = fromConcept.getMnemonic();
} else {
this.fromCode = fromConceptCode;
}
String toConceptCode = mapping.getToConceptCode();
if (!isValid(toConceptCode)) {
Concept toConcept = mapping.getToConcept();
if (toConcept != null)
this.toCode = toConcept.getMnemonic();
} else {
this.toCode = toConceptCode;
}
this.fromDisplay = mapping.getFromConceptName();
this.toDisplay = mapping.getToConceptName();
this.equivalence = mapping.getMapType();
this.fromSystemVersion = mapping.getFromSourceVersion();
this.toSystemVersion = mapping.getToSourceVersion();
}
public String getFromSystemUrl() {
return fromSystemUrl;
}
public String getToSystemUrl() {
return toSystemUrl;
}
public String getFromCode() {
return fromCode;
}
public String getFromDisplay() {
return fromDisplay;
}
public String getToCode() {
return toCode;
}
public String getToDisplay() {
return toDisplay;
}
public String getEquivalence() {
return equivalence;
}
public String getFromSystemVersion() {
return fromSystemVersion;
}
public String getToSystemVersion() {
return toSystemVersion;
}
}
public Parameters translate(Source source, UriType sourceSystem, StringType sourceVersion, CodeType sourceCode,
UriType targetSystem, List<String> access) {
Parameters parameters = new Parameters();
parameters.addParameter(RESULT, False);
String fromSourceUrl = sourceSystem.getValue();
// let's get local url if canonical url is given
String localFromSourceUri = null;
if (sourceSystem.getValue().startsWith("http")) {
Source fromSource = null;
if (!isValid(sourceVersion)) {
// get most recent released version
fromSource = oclFhirUtil.getMostRecentReleasedSourceByUrl(newStringType(sourceSystem.getValue()), access);
} else {
// get a given version
fromSource = sourceRepository.findFirstByCanonicalUrlAndVersionAndPublicAccessIn(sourceSystem.getValue(), sourceVersion.getValue(), access);
}
localFromSourceUri = fromSource != null ? toLocalUri(fromSource) : EMPTY;
} else if (formatExpression(sourceSystem.getValue()).matches(OWNER_REGEX)) {
localFromSourceUri = formatExpression(sourceSystem.getValue());
}
String toSourceUrl = null;
String localToSourceUri = null;
if (isValid(targetSystem)) {
toSourceUrl = targetSystem.getValue();
if (targetSystem.getValue().startsWith("http")) {
Source toSource = oclFhirUtil.getMostRecentReleasedSourceByUrl(newStringType(targetSystem.getValue()), access);
localToSourceUri = toSource != null ? toLocalUri(toSource) : EMPTY;
} else if (formatExpression(targetSystem.getValue()).matches(OWNER_REGEX)) {
localToSourceUri = formatExpression(targetSystem.getValue());
}
}
final String finalToSourceUrl = toSourceUrl;
final String finalLocalToSourceUri = localToSourceUri;
// Dynamic search based on Local uri as well as canonical url
// Search in the ConceptMap (source.Id) repository
// Match on:
// 1. Local fromSource uri OR given fromSource canonical url
// 2. given concept code
// 3. Local toSource uri OR given toSource canonical url
// 4. fromSource version if given else any/empty version
List<Mapping> matches = mappingRepository.findMappingsForCode(source.getId(), localFromSourceUri, fromSourceUrl, getCode(sourceCode))
.stream()
.filter(f -> !isValid(sourceVersion) || sourceVersion.getValue().equals(f.getFromSourceVersion()))
.filter(f -> isValid(f.getToSourceUrl()))
.filter(f -> !isValid(targetSystem) || f.getToSourceUrl().equals(finalToSourceUrl) || f.getToSourceUrl().equals(finalLocalToSourceUri))
.collect(Collectors.toList());
if (!matches.isEmpty()) {
parameters.setParameter(RESULT, True);
parameters.setParameter(MESSAGE, "Matches found!");
matches.forEach(match -> {
parameters.addParameter().setName("match").setPart(getMatchParameter(
match.getToSourceUrl(), match.getToSourceVersion(), match.getToConceptCode(), match.getToConceptName(), match.getMapType()
));
});
}
return parameters;
}
private String toLocalUri(Source source) {
if (source == null) return EMPTY;
String ownerType = source.getOrganization() != null ? ORGS : USERS;
String owner = source.getOrganization() != null ? source.getOrganization().getMnemonic()
: source.getUserId().getUsername();
String sourceId = source.getMnemonic();
return FW_SLASH + ownerType + FW_SLASH + owner +FW_SLASH + SOURCES + FW_SLASH + sourceId + FW_SLASH;
}
private List<Parameters.ParametersParameterComponent> getMatchParameter(String toSystemUrl, String version, String toCode,
String toName, String type) {
List<Parameters.ParametersParameterComponent> componentList = new ArrayList<>();
if (isValid(type))
componentList.add(getParameter("equivalence", type));
Coding coding = new Coding();
coding.setSystem(toSystemUrl).setVersion(version).setCode(toCode).setDisplay(toName);
componentList.add(getParameter("concept", coding));
return componentList;
}
}