phpfhir/classes/src/oeFHIRResource.php

   1 <?php
   2 /**
   3  * oeFHIRResource class
   4  *
   5  * @package   OpenEMR
   6  * @link      http://www.open-emr.org
   7  * @author    Jerry Padgett <sjpadgett@gmail.com>
   8  * @copyright Copyright (c) 2018 Jerry Padgett <sjpadgett@gmail.com>
   9  * @license   https://www.gnu.org/licenses/agpl-3.0.en.html GNU Affero General Public License 3
  10  */
  11
  12 namespace oeFHIR;
  13
  14 use HL7\FHIR\STU3\FHIRDomainResource\FHIREncounter;
  15 use HL7\FHIR\STU3\FHIRDomainResource\FHIRPatient;
  16 use HL7\FHIR\STU3\FHIRDomainResource\FHIRPractitioner;
  17 use HL7\FHIR\STU3\FHIRElement\FHIRAddress;
  18 use HL7\FHIR\STU3\FHIRElement\FHIRAdministrativeGender;
  19 use HL7\FHIR\STU3\FHIRElement\FHIRCodeableConcept;
  20 use HL7\FHIR\STU3\FHIRElement\FHIRHumanName;
  21 use HL7\FHIR\STU3\FHIRElement\FHIRId;
  22 use HL7\FHIR\STU3\FHIRElement\FHIRReference;
  23 use HL7\FHIR\STU3\FHIRResource\FHIREncounter\FHIREncounterParticipant;
  24 use HL7\FHIR\STU3\PHPFHIRResponseParser;
  25
  26 //use HL7\FHIR\STU3\FHIRResource\FHIREncounter\FHIREncounterLocation;
  27 //use HL7\FHIR\STU3\FHIRResource\FHIREncounter\FHIREncounterDiagnosis;
  28 //use HL7\FHIR\STU3\FHIRElement\FHIRPeriod;
  29 //use HL7\FHIR\STU3\FHIRElement\FHIRParticipantRequired;
  30
  31 class oeFHIRResource
  32 {
  33     public function createBundle($pid = '', $encode = true, $resource_array = '')
  34     {
  35         $fs = new FetchLiveData();
  36     }
  37
  38     public function createPatientResource($pid = '', $rid = '', $encode = true)
  39     {
  40         $fs = new FetchLiveData();
  41         $patientResource = new FHIRPatient();
  42         $id = new FhirId();
  43         $name = new FHIRHumanName();
  44         $address = new FHIRAddress();
  45         $oept = $fs->getDemographicsCurrent($pid);
  46         // fhir spec allows either create or update on update put endpoint, but only if id contains alphanumerics.
  47         // uri id and resource patient id must match.
  48         $id->setValue($rid);
  49         $name->setUse('official');
  50         $name->setFamily($oept['lname']);
  51         $name->given = [$oept['fname'], $oept['mname']];
  52         $address->addLine($oept['street']);
  53         $address->setCity($oept['city']);
  54         $address->setState($oept['state']);
  55         $address->setPostalCode($oept['postal_code']);
  56         $patientResource->setId($id);
  57         $patientResource->setActive(true);
  58         $gender = new FHIRAdministrativeGender();
  59         $gender->setValue(strtolower($oept['sex']));
  60         $patientResource->setGender($gender);
  61         $patientResource->addName($name);
  62         $patientResource->addAddress($address);
  63
  64         return json_encode($patientResource);
  65     }
  66
  67     public function createPractitionerResource($id = '', $rid = '', $encode = true)
  68     {
  69         $fs = new FetchLiveData();
  70         $oept = $fs->getUser($id);
  71
  72         $resource = new FHIRPractitioner();
  73         $id = new FhirId();
  74         $name = new FHIRHumanName();
  75         $address = new FHIRAddress();
  76         $id->setValue($rid);
  77         $name->setUse('official');
  78         $name->setFamily($oept['lname']);
  79         $name->given = [$oept['fname'], $oept['mname']];
  80         $address->addLine($oept['street']);
  81         $address->setCity($oept['city']);
  82         $address->setState($oept['state']);
  83         $address->setPostalCode($oept['zip']);
  84         $resource->setId($id);
  85         $resource->setActive(true);
  86         $gender = new FHIRAdministrativeGender();
  87         $gender->setValue('unknown');
  88         $resource->setGender($gender);
  89         $resource->addName($name);
  90         $resource->addAddress($address);
  91
  92         return json_encode($resource);
  93     }
  94
  95     public function createEncounterResource($pid = '', $rid = '', $eid = '', $encode = true)
  96     {
  97         // If you set an endpoint to an element and resource doesn't exist on server, then create will fail.
  98         // Practitioner here is an example so I auto create or update the resource so encounter will go...
  99         // Same with conditions once it it built. Encounters can be tied to episodes and care plans e.t.c.
 100         $fs = new FetchLiveData();
 101         $oept = $fs->getEncounterData($pid, $eid);
 102         $temp = 'provider-' . $oept['provider_id'];
 103         $rs = new oeFHIRResource(); // update
 104         $r = $rs->createPractitionerResource($oept['provider_id'], $temp);
 105         $client = new oeFHIRHttpClient();
 106         $pt = $client->sendResource('Practitioner', $temp, $r); // update or add practitioner
 107         $resource = new FHIREncounter();
 108         $id = new FhirId();
 109         $id->setValue($rid);
 110         $resource->setId($id);
 111         $participant = new FHIREncounterParticipant();
 112         $prtref = new FHIRReference;
 113         $temp = 'Practitioner/provider-' . $oept['provider_id'];
 114         $prtref->setReference($temp);
 115         $participant->setIndividual($prtref);
 116         $date = date('Y-m-d', strtotime($oept['date']));
 117         $participant->setPeriod(['start' => $date]);
 118
 119         $resource->addParticipant($participant);
 120         $reason = new FHIRCodeableConcept();
 121         $reason->setText($oept['reason']);
 122         $resource->addReason($reason);
 123         $resource->status = 'finished';
 124
 125         $resource->setSubject(['reference' => 'Patient/patient-' . $pid]);
 126
 127         return json_encode($resource);
 128     }
 129
 130     public function parseResource($rjson = '', $scheme = 'json')
 131     {
 132         $parser = new PHPFHIRResponseParser(false);
 133         if ($scheme == 'json') {
 134             $class_object = $parser->parse($rjson);
 135         } else {
 136             // @todo xml- not sure yet.
 137         }
 138         return $class_object; // feed to resource class or use as is object
 139     }
 140 }