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Adrian ClayORybak5
Adrian Clay
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ORybak5
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Create endpoint for resending an EhrExtract (#990)
--------- Co-authored-by: hospel <[email protected]>
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‎service/src/main/java/uk/nhs/adaptors/gp2gp/common/service/FhirParseService.java‎

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import org.hl7.fhir.instance.model.api.IBaseResource;
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import org.springframework.stereotype.Service;
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import ca.uhn.fhir.context.FhirContext;
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import ca.uhn.fhir.parser.IParser;
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import ca.uhn.fhir.parser.StrictErrorHandler;
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import uk.nhs.adaptors.gp2gp.common.exception.FhirValidationException;
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@Service
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public class FhirParseService {
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private final IParser jsonParser = prepareParser();
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public <T extends IBaseResource> T parseResource(String body, Class<T> fhirClass) {
@@ -20,6 +20,10 @@ public <T extends IBaseResource> T parseResource(String body, Class<T> fhirClass
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}
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}
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public String encodeToJson(IBaseResource resource) {
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return jsonParser.setPrettyPrint(true).encodeResourceToString(resource);
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}
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private IParser prepareParser() {
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FhirContext ctx = FhirContext.forDstu3();
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ctx.newJsonParser();

‎service/src/main/java/uk/nhs/adaptors/gp2gp/ehr/EhrResendController.java‎

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package uk.nhs.adaptors.gp2gp.ehr;
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import lombok.AllArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.hl7.fhir.dstu3.model.CodeableConcept;
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import org.hl7.fhir.dstu3.model.Coding;
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import org.hl7.fhir.dstu3.model.Meta;
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import org.hl7.fhir.dstu3.model.OperationOutcome;
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import org.hl7.fhir.dstu3.model.UriType;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import uk.nhs.adaptors.gp2gp.common.service.FhirParseService;
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import uk.nhs.adaptors.gp2gp.common.service.RandomIdGeneratorService;
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import uk.nhs.adaptors.gp2gp.common.service.TimestampService;
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import uk.nhs.adaptors.gp2gp.common.task.TaskDispatcher;
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import uk.nhs.adaptors.gp2gp.ehr.model.EhrExtractStatus;
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import uk.nhs.adaptors.gp2gp.gpc.GetGpcStructuredTaskDefinition;
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import java.util.Collections;
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@Slf4j
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@RestController
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@AllArgsConstructor(onConstructor = @__(@Autowired))
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@RequestMapping(path = "/ehr-resend")
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public class EhrResendController {
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private static final String OPERATION_OUTCOME_URL = "https://fhir.nhs.uk/STU3/StructureDefinition/GPConnect-OperationOutcome-1";
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private static final String PRECONDITION_FAILED = "PRECONDITION_FAILED";
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private static final String INVALID_IDENTIFIER_VALUE = "INVALID_IDENTIFIER_VALUE";
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private EhrExtractStatusRepository ehrExtractStatusRepository;
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private TaskDispatcher taskDispatcher;
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private RandomIdGeneratorService randomIdGeneratorService;
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private final TimestampService timestampService;
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private final FhirParseService fhirParseService;
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@PostMapping("/{conversationId}")
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public ResponseEntity<String> scheduleEhrExtractResend(@PathVariable String conversationId) {
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EhrExtractStatus ehrExtractStatus = ehrExtractStatusRepository.findByConversationId(conversationId).orElseGet(() -> null);
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if (ehrExtractStatus == null) {
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var details = getCodeableConcept(INVALID_IDENTIFIER_VALUE);
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var diagnostics = "Provide a conversationId that exists and retry the operation";
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var operationOutcome = createOperationOutcome(OperationOutcome.IssueType.VALUE,
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OperationOutcome.IssueSeverity.ERROR,
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details,
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diagnostics);
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var errorBody = fhirParseService.encodeToJson(operationOutcome);
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return new ResponseEntity<>(errorBody, HttpStatus.NOT_FOUND);
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}
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if (hasNoErrorsInEhrReceivedAcknowledgement(ehrExtractStatus) && ehrExtractStatus.getError() == null) {
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var details = getCodeableConcept(PRECONDITION_FAILED);
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var diagnostics = "The current resend operation is still in progress. Please wait for it to complete before retrying";
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var operationOutcome = createOperationOutcome(OperationOutcome.IssueType.BUSINESSRULE,
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OperationOutcome.IssueSeverity.ERROR,
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details,
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diagnostics);
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var errorBody = fhirParseService.encodeToJson(operationOutcome);
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return new ResponseEntity<>(errorBody, HttpStatus.CONFLICT);
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}
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var updatedEhrExtractStatus = prepareEhrExtractStatusForNewResend(ehrExtractStatus);
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ehrExtractStatusRepository.save(updatedEhrExtractStatus);
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createGetGpcStructuredTask(updatedEhrExtractStatus);
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LOGGER.info("Scheduled GetGpcStructuredTask for resend of ConversationId: {}", conversationId);
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return new ResponseEntity<>(HttpStatus.ACCEPTED);
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}
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private static CodeableConcept getCodeableConcept(String codeableConceptCode) {
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return new CodeableConcept().addCoding(
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new Coding("https://fhir.nhs.uk/STU3/ValueSet/Spine-ErrorOrWarningCode-1", codeableConceptCode, null));
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}
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private static boolean hasNoErrorsInEhrReceivedAcknowledgement(EhrExtractStatus ehrExtractStatus) {
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var ehrReceivedAcknowledgement = ehrExtractStatus.getEhrReceivedAcknowledgement();
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if (ehrReceivedAcknowledgement == null) {
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return true;
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}
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var errors = ehrReceivedAcknowledgement.getErrors();
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if (errors == null || errors.isEmpty()) {
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return true;
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}
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return false;
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}
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private EhrExtractStatus prepareEhrExtractStatusForNewResend(EhrExtractStatus ehrExtractStatus) {
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var now = timestampService.now();
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ehrExtractStatus.setUpdatedAt(now);
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ehrExtractStatus.setMessageTimestamp(now);
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ehrExtractStatus.setEhrExtractCorePending(null);
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ehrExtractStatus.setGpcAccessDocument(null);
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ehrExtractStatus.setEhrContinue(null);
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ehrExtractStatus.setEhrReceivedAcknowledgement(null);
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return ehrExtractStatus;
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}
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private void createGetGpcStructuredTask(EhrExtractStatus ehrExtractStatus) {
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var getGpcStructuredTaskDefinition = GetGpcStructuredTaskDefinition.getGetGpcStructuredTaskDefinition(randomIdGeneratorService,
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ehrExtractStatus);
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taskDispatcher.createTask(getGpcStructuredTaskDefinition);
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}
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public static OperationOutcome createOperationOutcome(
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OperationOutcome.IssueType type, OperationOutcome.IssueSeverity severity, CodeableConcept details, String diagnostics) {
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var operationOutcome = new OperationOutcome();
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Meta meta = new Meta();
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meta.setProfile(Collections.singletonList(new UriType(OPERATION_OUTCOME_URL)));
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operationOutcome.setMeta(meta);
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operationOutcome.addIssue()
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.setCode(type)
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.setSeverity(severity)
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.setDetails(details)
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.setDiagnostics(diagnostics);
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return operationOutcome;
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}
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}

‎service/src/test/java/uk/nhs/adaptors/gp2gp/common/service/FhirParseServiceTest.java‎

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package uk.nhs.adaptors.gp2gp.common.service;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.hl7.fhir.dstu3.model.CodeableConcept;
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import org.hl7.fhir.dstu3.model.Coding;
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import org.hl7.fhir.dstu3.model.OperationOutcome;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.extension.ExtendWith;
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import org.mockito.junit.jupiter.MockitoExtension;
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import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
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import uk.nhs.adaptors.gp2gp.common.configuration.ObjectMapperBean;
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import uk.nhs.adaptors.gp2gp.ehr.EhrResendController;
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import java.util.List;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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@ExtendWith(MockitoExtension.class)
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class FhirParseServiceTest {
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public static final String INVALID_IDENTIFIER_VALUE = "INVALID_IDENTIFIER_VALUE";
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private static final String OPERATION_OUTCOME_URL = "https://fhir.nhs.uk/STU3/StructureDefinition/GPConnect-OperationOutcome-1";
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private OperationOutcome operationOutcome;
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private ObjectMapper objectMapper;
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@BeforeEach
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void setUp() {
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ObjectMapperBean objectMapperBean = new ObjectMapperBean();
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objectMapper = objectMapperBean.objectMapper(new Jackson2ObjectMapperBuilder());
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var details = getCodeableConcept();
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var diagnostics = "Provide a conversationId that exists and retry the operation";
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operationOutcome = EhrResendController.createOperationOutcome(OperationOutcome.IssueType.VALUE,
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OperationOutcome.IssueSeverity.ERROR,
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details,
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diagnostics);
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}
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@Test
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void ableToEncodeOperationOutcomeToJson() throws JsonProcessingException {
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FhirParseService fhirParseService = new FhirParseService();
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String convertedToJsonOperationOutcome = fhirParseService.encodeToJson(operationOutcome);
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JsonNode rootNode = objectMapper.readTree(convertedToJsonOperationOutcome);
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String code =
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rootNode.path("issue").get(0).path("details").path("coding").get(0).path("code").asText();
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String operationOutcomeUrl = rootNode.path("meta").path("profile").get(0).asText();
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assertEquals(INVALID_IDENTIFIER_VALUE, code);
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assertEquals(OPERATION_OUTCOME_URL, operationOutcomeUrl);
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}
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private static CodeableConcept getCodeableConcept() {
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var details = new CodeableConcept();
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var codeableConceptCoding = new Coding();
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codeableConceptCoding.setSystem("http://fhir.nhs.net/ValueSet/gpconnect-error-or-warning-code-1");
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codeableConceptCoding.setCode(FhirParseServiceTest.INVALID_IDENTIFIER_VALUE);
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details.setCoding(List.of(codeableConceptCoding));
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return details;
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}
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}

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