Examples with IDomainResource org.hl7.fhir.instance.model.api.IDomainResource used on opensource projects

Example 1 with IDomainResource

use of org.hl7.fhir.instance.model.api.IDomainResource in project CRD by HL7-DaVinci.

the class QuestionnaireController method getNextQuestionOperation.

/**
 * Returns the next question based on the request.
 * @param body
 * @param request
 * @return
 */
private ResponseEntity<String> getNextQuestionOperation(String body, HttpServletRequest request) {
    logger.info("POST /Questionnaire/$next-question fhir+");
    FhirContext ctx = new FhirComponents().getFhirContext();
    IParser parser = ctx.newJsonParser();
    // Parses the body.
    IDomainResource domainResource = (IDomainResource) parser.parseResource(QuestionnaireResponse.class, body);
    if (!domainResource.fhirType().equalsIgnoreCase("QuestionnaireResponse")) {
        logger.warning("unsupported resource type: ");
        HttpStatus status = HttpStatus.BAD_REQUEST;
        MediaType contentType = MediaType.TEXT_PLAIN;
        return ResponseEntity.status(status).contentType(contentType).body("Bad Request");
    } else {
        logger.info(" ---- Resource received " + domainResource.toString());
        QuestionnaireResponse inputQuestionnaireResponse = (QuestionnaireResponse) domainResource;
        String fragmentId = inputQuestionnaireResponse.getQuestionnaire();
        List<Resource> containedResource = inputQuestionnaireResponse.getContained();
        Questionnaire inputQuestionnaireFromRequest = null;
        for (int i = 0; i < containedResource.size(); i++) {
            Resource item = containedResource.get(i);
            if (item.getResourceType().equals(ResourceType.Questionnaire)) {
                Questionnaire checkInputQuestionnaire = (Questionnaire) item;
                if (checkInputQuestionnaire.getId().equals(fragmentId)) {
                    inputQuestionnaireFromRequest = checkInputQuestionnaire;
                    break;
                }
            }
        }
        logger.info("--- Received questionnaire response: " + ctx.newJsonParser().encodeResourceToString(inputQuestionnaireResponse));
        // Check that there are no duplicates in the recieved set of questions.
        if ((new HashSet(((Questionnaire) inputQuestionnaireResponse.getContained().get(0)).getItem().stream().map(item -> item.getLinkId()).collect(Collectors.toList()))).size() != ((Questionnaire) inputQuestionnaireResponse.getContained().get(0)).getItem().size()) {
            throw new RuntimeException("Received a set of questions with duplicates.");
        }
        String questionnaireId = ((Reference) inputQuestionnaireResponse.getExtensionByUrl("http://hl7.org/fhir/StructureDefinition/contained-id").getValue()).getReference();
        System.out.println("Input Questionnaire: " + questionnaireId);
        if (inputQuestionnaireFromRequest != null) {
            if (!questionnaireTrees.containsKey(questionnaireId)) {
                // If there is not already a tree that matches the requested questionnaire id, build it.
                // Import the requested CDS-Library Questionnaire.
                Questionnaire cdsQuestionnaire = importCdsAdaptiveQuestionnaire(request, parser, fileStore, questionnaireId);
                // Build the tree.
                AdaptiveQuestionnaireTree newTree = new AdaptiveQuestionnaireTree(cdsQuestionnaire);
                questionnaireTrees.put(questionnaireId, newTree);
                logger.info("--- Built Questionnaire Tree for " + questionnaireId);
            }
            // Pull the tree for the requested questionnaire id.
            AdaptiveQuestionnaireTree currentTree = questionnaireTrees.get(questionnaireId);
            // Get the request's set of answer responses.
            List<QuestionnaireResponseItemComponent> allResponses = inputQuestionnaireResponse.getItem();
            // Pull the resulting next question that the recieved responses and answers point to from the tree without including its children.
            List<QuestionnaireItemComponent> nextQuestionSetResults = currentTree.getNextQuestionsForAnswers(allResponses, inputQuestionnaireResponse);
            // Add the next set of questions to the response.
            QuestionnaireController.addQuestionSetToQuestionnaireResponse(inputQuestionnaireResponse, nextQuestionSetResults);
            // Check that there no duplicates in the set of questions.
            if ((new HashSet(((Questionnaire) inputQuestionnaireResponse.getContained().get(0)).getItem().stream().map(item -> item.getLinkId()).collect(Collectors.toList()))).size() != ((Questionnaire) inputQuestionnaireResponse.getContained().get(0)).getItem().size()) {
                throw new RuntimeException("Attempted to send a set of questions with duplicates. Question IDs are: " + (((Questionnaire) inputQuestionnaireResponse.getContained().get(0)).getItem().stream().map(item -> item.getLinkId()).collect(Collectors.toList())));
            }
            logger.info("--- Added next question set for questionnaire \'" + questionnaireId + "\' for responses \'" + allResponses + "\'.");
            // Build and send the response.
            String formattedResourceString = ctx.newJsonParser().encodeResourceToString(inputQuestionnaireResponse);
            logger.info("--- Sending questionnaire response: " + formattedResourceString);
            return ResponseEntity.status(HttpStatus.ACCEPTED).contentType(MediaType.APPLICATION_JSON).header(HttpHeaders.CONTENT_TYPE, "application/fhir+json" + "; charset=utf-8").body(formattedResourceString);
        } else {
            return ResponseEntity.status(HttpStatus.BAD_REQUEST).contentType(MediaType.APPLICATION_JSON).header(HttpHeaders.CONTENT_TYPE, "application/fhir+json" + "; charset=utf-8").body("Input questionnaire from the request does not exist.");
        }
    }
}