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CodeSystemResourceProvider.java
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CodeSystemResourceProvider.java
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package org.openconceptlab.fhir.provider;
import ca.uhn.fhir.rest.annotation.*;
import ca.uhn.fhir.rest.api.MethodOutcome;
import ca.uhn.fhir.rest.api.server.RequestDetails;
import ca.uhn.fhir.rest.server.IResourceProvider;
import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException;
import org.hl7.fhir.instance.model.api.IBaseResource;
import org.hl7.fhir.r4.model.*;
import org.openconceptlab.fhir.converter.CodeSystemConverter;
import org.openconceptlab.fhir.converter.ConceptMapConverter;
import org.openconceptlab.fhir.converter.ValueSetConverter;
import org.openconceptlab.fhir.model.*;
import org.openconceptlab.fhir.repository.*;
import org.openconceptlab.fhir.util.OclFhirUtil;
import static org.openconceptlab.fhir.util.OclFhirUtil.*;
import static org.openconceptlab.fhir.util.OclFhirConstants.*;
import org.springframework.stereotype.Component;
import javax.transaction.Transactional;
import java.util.*;
/**
* The CodeSystemResourceProvider.
* @author harpatel1
*/
@Component
public class CodeSystemResourceProvider extends BaseProvider implements IResourceProvider {
public CodeSystemResourceProvider(SourceRepository sourceRepository, CodeSystemConverter codeSystemConverter,
CollectionRepository collectionRepository, ValueSetConverter valueSetConverter,
ConceptMapConverter conceptMapConverter, OclFhirUtil oclFhirUtil) {
super(sourceRepository, codeSystemConverter, collectionRepository, valueSetConverter, conceptMapConverter, oclFhirUtil);
}
@Override
public Class<? extends IBaseResource> getResourceType() {
return CodeSystem.class;
}
@Create
@Transactional
public MethodOutcome createCodeSystem(@ResourceParam CodeSystem codeSystem, RequestDetails requestDetails) {
if (codeSystem == null) {
throw new InvalidRequestException("The CodeSystem can not be empty");
}
String accessionId = getAccessionIdentifier(codeSystem.getIdentifier());
if (!isValid(accessionId)) {
throw new InvalidRequestException("The CodeSystem.identifier is empty or identifier of type ACSN is empty.");
}
if (!isValid(codeSystem.getUrl())) {
throw new InvalidRequestException("The CodeSystem.url can not be empty. Please provide canonical url.");
}
codeSystemConverter.createCodeSystem(codeSystem, accessionId, requestDetails.getHeader(AUTHORIZATION));
return new MethodOutcome();
}
@Delete
@Transactional
public void deleteCodeSystem(@IdParam(optional = true) IdType idType,
@RequiredParam(name = ID) StringType id,
@RequiredParam(name = VERSION) StringType version,
@RequiredParam(name = OWNER) StringType owner,
RequestDetails requestDetails) {
codeSystemConverter.retireCodeSystem(
requestDetails.getHeader(ID),
requestDetails.getHeader(VERSION),
newStringType(requestDetails.getHeader(OWNER)),
requestDetails.getHeader(AUTHORIZATION)
);
}
/**
* Returns all public {@link CodeSystem}.
*
* @return {@link Bundle}
*/
@Search()
@Transactional
public Bundle searchCodeSystems(@OptionalParam(name = PAGE) StringType page, RequestDetails details) {
List<Source> sources = filterSourceHead(getSources(publicAccess));
List<CodeSystem> codeSystems = codeSystemConverter.convertToCodeSystem(sources, false, getPage(page));
return OclFhirUtil.getBundle(codeSystems, details.getFhirServerBase(), details.getRequestPath());
}
/**
* Returns public {@link CodeSystem} for a given Url.
* @param url
* @param version
* @return {@link Bundle}
*/
@Search
@Transactional
public Bundle searchCodeSystemByUrl(@RequiredParam(name = CodeSystem.SP_URL) StringType url,
@OptionalParam(name = VERSION) StringType version,
@OptionalParam(name = PAGE) StringType page,
RequestDetails details) {
List<Source> sources = filterSourceHead(getSourceByUrl(url, version, publicAccess));
boolean includeConcepts = !isValid(version) || !isVersionAll(version);
List<CodeSystem> codeSystems = codeSystemConverter.convertToCodeSystem(sources, includeConcepts,
getPage(page));
return OclFhirUtil.getBundle(codeSystems, details.getFhirServerBase(), details.getRequestPath());
}
/**
* Returns all public {@link CodeSystem} for a given owner.
* @param owner
* @return {@link Bundle}
*/
@Search
@Transactional
public Bundle searchCodeSystemByOwner(@RequiredParam(name = OWNER) StringType owner,
@OptionalParam(name = PAGE) StringType page,
RequestDetails details) {
List<Source> sources = filterSourceHead(getSourceByOwner(owner, publicAccess));
List<CodeSystem> codeSystems = codeSystemConverter.convertToCodeSystem(sources, false, getPage(page));
return OclFhirUtil.getBundle(codeSystems, details.getFhirServerBase(), details.getRequestPath());
}
/**
* Returns public {@link CodeSystem} for a given owner and Id. Returns given version if provided, otherwise
* most recent released version is returned.
* @param owner
* @param id
* @param version
* @return {@link Bundle}
*/
@Search
@Transactional
public Bundle searchCodeSystemByOwnerAndId(@RequiredParam(name = OWNER) StringType owner,
@RequiredParam(name = ID) StringType id,
@OptionalParam(name = VERSION) StringType version,
@OptionalParam(name = PAGE) StringType page,
RequestDetails details) {
List<Source> sources = filterSourceHead(getSourceByOwnerAndIdAndVersion(id, owner, version, publicAccess));
boolean includeConcepts = !isVersionAll(version);
List<CodeSystem> codeSystems = codeSystemConverter.convertToCodeSystem(sources, includeConcepts, getPage(page));
return OclFhirUtil.getBundle(codeSystems, details.getFhirServerBase(), details.getRequestPath());
}
/**
* CodeSystem $lookup operation.
* GET request example:
* <HOST>/fhir/CodeSystem/$lookup?code=#&system=#&version=#&displayLanguage=#
*
* POST request example:
* {
* "resourceType":"Parameters",
* "parameter": [
* {
* "name":"system",
* "valueUri":""
* },
* {
* "name":"code",
* "valueCode":""
* },
* {
* "name":"version",
* "valueString":""
* },
* {
* "name":"displayLanguage",
* "valueCode":""
* }
* ]
* }
*
* @param code - (Mandatory) Code that is to be located
* @param system - (Mandatory) System for the code that is to be located
* @param version - (Optional) The version of system
* @param displayLanguage - (Optional) The display language
* @return Parameters
*/
@Operation(name = LOOKUP, idempotent = true)
@Transactional
public Parameters codeSystemLookUp(@OperationParam(name = CODE, type = CodeType.class, min = 1) CodeType code,
@OperationParam(name = SYSTEM, type = UriType.class, min = 1) UriType system,
@OperationParam(name = VERSION, type = StringType.class) StringType version,
@OperationParam(name = DISP_LANG, type = CodeType.class) CodeType displayLanguage,
@OperationParam(name = OWNER, type = StringType.class) StringType owner) {
validateOperation(code, system, LOOKUP);
Source source = isValid(owner) ? oclFhirUtil.getSourceByOwnerAndUrl(owner, newStringType(system), version, publicAccess) :
getSourceByUrl(newStringType(system), version, publicAccess).get(0);
return codeSystemConverter.getLookupParameters(source, code, displayLanguage);
}
@Operation(name = VALIDATE_CODE, idempotent = true)
@Transactional
public Parameters codeSystemValidateCode(@OperationParam(name = URL, type = UriType.class, min = 1) UriType url,
@OperationParam(name = CODE, type = CodeType.class, min = 1) CodeType code,
@OperationParam(name = VERSION, type = StringType.class) StringType version,
@OperationParam(name = DISPLAY, type = StringType.class) StringType display,
@OperationParam(name = DISP_LANG, type = CodeType.class) CodeType displayLanguage,
@OperationParam(name = CODING, type = Coding.class) Coding coding,
@OperationParam(name = OWNER, type = StringType.class) StringType owner) {
if (coding != null) {
url = new UriType(coding.getSystem());
code = new CodeType(coding.getCode());
version = new StringType(coding.getVersion());
display = new StringType(coding.getDisplay());
}
validateOperation(code, url, VALIDATE_CODE);
Source source = isValid(owner) ? oclFhirUtil.getSourceByOwnerAndUrl(owner, newStringType(url), version, publicAccess) :
getSourceByUrl(newStringType(url), version, publicAccess).get(0);
return codeSystemConverter.validateCode(source, getCode(code), display, displayLanguage);
}
private void validateOperation(CodeType code, UriType system, String operation) {
if (!isValid(code) || !isValid(system)) {
String msg = "Could not perform CodeSystem %s operation, both code and %s parameters are required.";
throw new InvalidRequestException(String.format(msg, operation, LOOKUP.equals(operation) ? SYSTEM : URL));
}
}
}