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FhirProcedureService.php
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FhirProcedureService.php
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<?php
namespace OpenEMR\Services\FHIR;
use OpenEMR\FHIR\R4\FHIRDomainResource\FHIRProcedure;
use OpenEMR\FHIR\R4\FHIRElement\FHIRCodeableConcept;
use OpenEMR\FHIR\R4\FHIRElement\FHIRCoding;
use OpenEMR\FHIR\R4\FHIRElement\FHIRId;
use OpenEMR\FHIR\R4\FHIRElement\FHIRReference;
use OpenEMR\Services\FHIR\FhirServiceBase;
use OpenEMR\Services\ProcedureService;
/**
* FHIR Procedure Service
*
* @coversDefaultClass OpenEMR\Services\FHIR\FhirProcedureService
* @package OpenEMR
* @link http:https://www.open-emr.org
* @author Yash Bothra <yashrajbothra786gmail.com>
* @copyright Copyright (c) 2020 Yash Bothra <yashrajbothra786gmail.com>
* @license https://github.com/openemr/openemr/blob/master/LICENSE GNU General Public License 3
*/
class FhirProcedureService extends FhirServiceBase
{
/**
* @var ProcedureService
*/
private $procedureService;
public function __construct()
{
parent::__construct();
$this->procedureService = new ProcedureService();
}
/**
* Returns an array mapping FHIR Procedure Resource search parameters to OpenEMR Procedure search parameters
*
* @return array The search parameters
*/
protected function loadSearchParameters()
{
return [
'patient' => ['patient.uuid']
];
}
/**
* Parses an OpenEMR procedure record, returning the equivalent FHIR Procedure Resource
*
* @param array $dataRecord The source OpenEMR data record
* @param boolean $encode Indicates if the returned resource is encoded into a string. Defaults to false.
* @return FHIRProcedure
*/
public function parseOpenEMRRecord($dataRecord = array(), $encode = false)
{
$procedureResource = new FHIRProcedure();
$meta = array('versionId' => '1', 'lastUpdated' => gmdate('c'));
$procedureResource->setMeta($meta);
$id = new FHIRId();
$id->setValue($dataRecord['uuid']);
$procedureResource->setId($id);
$subject = new FHIRReference();
$subject->setReference('Patient/' . $dataRecord['puuid']);
$procedureResource->setSubject($subject);
$encounter = new FHIRReference();
$encounter->setReference('Encounter/' . $dataRecord['euuid']);
$procedureResource->setEncounter($encounter);
$practitioner = new FHIRReference();
$practitioner->setReference('Practitioner/' . $dataRecord['pruuid']);
$procedureResource->addPerformer(['actor' => $practitioner]);
if ($dataRecord['order_status'] == "completed") {
$procedureResource->setStatus("completed");
} elseif ($dataRecord['order_status'] == "pending") {
$procedureResource->setStatus("in-progress");
} elseif ($dataRecord['order_status'] == "cancelled") {
$procedureResource->setStatus("stopped");
} else {
$procedureResource->setStatus("unknown");
}
if (!empty($dataRecord['diagnoses'])) {
$diagnosisCoding = new FHIRCoding();
$diagnosisCode = new FHIRCodeableConcept();
foreach ($dataRecord['diagnoses'] as $code => $display) {
$diagnosisCoding->setCode($code);
$diagnosisCoding->setDisplay($display);
$diagnosisCode->addCoding($diagnosisCoding);
}
$procedureResource->setCode($diagnosisCode);
}
if (!empty($dataRecord['date_collected'])) {
$procedureResource->setPerformedDateTime(gmdate('c', strtotime($dataRecord['date_collected'])));
}
if (!empty($dataRecord['notes'])) {
$procedureResource->addNote(['text' => $dataRecord['notes']]);
}
if ($encode) {
return json_encode($procedureResource);
} else {
return $procedureResource;
}
}
/**
* Performs a FHIR Procedure Resource lookup by FHIR Resource ID
*
* @param $fhirResourceId //The OpenEMR record's FHIR Procedure Resource ID.
*/
public function getOne($fhirResourceId)
{
$processingResult = $this->procedureService->getOne($fhirResourceId);
if (!$processingResult->hasErrors()) {
if (count($processingResult->getData()) > 0) {
$openEmrRecord = $processingResult->getData()[0];
$fhirRecord = $this->parseOpenEMRRecord($openEmrRecord);
$processingResult->setData([]);
$processingResult->addData($fhirRecord);
}
}
return $processingResult;
}
/**
* Searches for OpenEMR records using OpenEMR search parameters
*
* @param array openEMRSearchParameters OpenEMR search fields
* @return ProcessingResult
*/
public function searchForOpenEMRRecords($openEMRSearchParameters)
{
return $this->procedureService->getAll($openEMRSearchParameters, false);
}
public function parseFhirResource($fhirResource = array())
{
// TODO: If Required in Future
}
public function insertOpenEMRRecord($openEmrRecord)
{
// TODO: If Required in Future
}
public function updateOpenEMRRecord($fhirResourceId, $updatedOpenEMRRecord)
{
// TODO: If Required in Future
}
}