fix the context issue

Author: smalho01

.env

@@ -26,5 +26,6 @@ VITE_USER = alice
 VITE_HOOK_TO_SEND = patient-view
 VITE_URL_FILTER = http://localhost:3000/*
 VITE_USE_INTERMEDIARY = false
+VITE_USE_PHARMACY_IN_PREFETCH = true
 VITE_INTERMEDIARY = http://localhost:3003
 VITE_DISABLE_MEDICATION_STATUS = false

README.md

@@ -134,6 +134,7 @@ Following are a list of modifiable paths:
 | VITE_URL                                              | `http://localhost:3000`                                                                              | The base url of this app.  Should be modified if the port or domain change.                     |
 | VITE_USER                                             | `alice`                                                                                              | The default user to login as when opening the app.                      |
 | VITE_USE_INTERMEDIARY                                 | false                                                                                                | When true, the app will send all CDS Hooks and REMS ETASU check calls to the intermediary defined in VITE_INTERMEDIARY.                      |
+| VITE_USE_PHARMACY_IN_PREFETCH                         | true                                                                                                 | When true, the app will send pharmacy information to the rems admin in the CDS Hooks prefetch                     |
 | VITE_INTERMEDIARY                                     | `http://localhost:3030`                                                                              | The base url of the intermediary.                      |
 
 # Data Rights

src/PrefetchTemplate.js

@@ -1,7 +1,7 @@
 // Prefetch Template Source:
 // https://build.fhir.org/ig/HL7/davinci-crd/hooks.html#prefetch
 export class PrefetchTemplate {
-  static generatePrefetchMap() {
+static generatePrefetchMap(includePharmacy = true, pharmacyId = 'pharm0111') {
     const prefetchMap = new Map();
 
     const PRACTITIONER_PREFETCH = new PrefetchTemplate('{{context.userId}}');
@@ -11,20 +11,21 @@ export class PrefetchTemplate {
     );
     const PATIENT_PREFETCH = new PrefetchTemplate('{{context.patientId}}');
 
-    const PHARMACY_PREFETCH = new PrefetchTemplate('HealthcareService/{{context.pharmacyId}}');
-
     const ALL_REQUESTS_PREFETCH = new PrefetchTemplate(
       'MedicationRequest?subject={{context.patientId}}&_include=MedicationRequest:medication'
     );
 
-    // prefetchMap.set("Coverage", COVERAGE_PREFETCH_QUERY);
+    // Core prefetch items (always included)
     prefetchMap.set('request', REQUEST_PREFETCH);
     prefetchMap.set('practitioner', PRACTITIONER_PREFETCH);
     prefetchMap.set('patient', PATIENT_PREFETCH);
-    prefetchMap.set('pharmacy', PHARMACY_PREFETCH);
     prefetchMap.set('medicationRequests', ALL_REQUESTS_PREFETCH);
-    // prefetchMap.set("ServiceRequest", SERVICE_REQUEST_BUNDLE);
-    // prefetchMap.set("Encounter", ENCOUNTER_BUNDLE);
+
+    // Optional pharmacy prefetch (only if explicitly requested and pharmacyId provided)
+    if (includePharmacy && pharmacyId) {
+      const PHARMACY_PREFETCH = new PrefetchTemplate(`HealthcareService/${pharmacyId}`);
+      prefetchMap.set('pharmacy', PHARMACY_PREFETCH);
+    }
 
     return prefetchMap;
   }
@@ -47,8 +48,6 @@ export class PrefetchTemplate {
     paramElementMap.set('context.draftOrders.context.appointments.Appointment.id', ['id']);
     paramElementMap.set('context.draftOrders.context.encounterId', ['id']);
     paramElementMap.set('context.patientId', ['subject', 'reference']);
-    paramElementMap.set('context.pharmacyId', ['id']); 
-
     return paramElementMap;
   }
 
@@ -60,26 +59,24 @@ export class PrefetchTemplate {
       // Regex source: https://regexland.com/all-between-specified-characters/
     var parametersToFill = query.match(/(?<={{).*?(?=}})/gs);
     var resolvedQuery = query.slice();
+    if (parametersToFill) {
       for (var j = 0; j < parametersToFill.length; j++) {
         var unresolvedParameter = parametersToFill[j];
         var resolvedParameter;
         if (requestBundle) {
-          if (unresolvedParameter === 'context.pharmacyId') {
-            resolvedParameter = pharmacyId; 
-          } else {
             resolvedParameter = PrefetchTemplate.resolveParameter(unresolvedParameter, requestBundle);
-          }
         } else {
           if (unresolvedParameter === 'context.patientId') {
             resolvedParameter = patientReference;
           } else if (unresolvedParameter === 'context.userId') {
             resolvedParameter = userReference;
-          } else if (unresolvedParameter === 'context.pharmacyId') {
-            resolvedParameter = pharmacyId; 
-          }
+          } 
+        }
+        if (resolvedParameter) {
+          resolvedQuery = resolvedQuery.replace('{{' + unresolvedParameter + '}}', resolvedParameter);
         }
-        resolvedQuery = resolvedQuery.replace('{{' + unresolvedParameter + '}}', resolvedParameter);
       }
+    }
     resolvedQueries.set(prefetchKey, resolvedQuery);
   }
   return resolvedQueries;

src/util/data.js

@@ -1,6 +1,11 @@
 import env from 'env-var';
 
 const headerDefinitions = {
+  includePharmacyInPreFetch: {
+    display: 'Include Pharmacy in Prefetch',
+    type: 'check',
+    default: env.get('VITE_USE_PHARMACY_IN_PREFETCH').asBool()
+  },
   useIntermediary: {
     display: 'Use Intermediary',
     type: 'check',