feat: refactored the evaluation logic into the auc module.

README.md

@@ -47,7 +47,7 @@ V3 TODO
 - [x] Make a CDS Hook Service to *always* launch a SMART card for draft orders
   - [x] Refactor the AUC logic into a module, enabling use in the hook too.
   - [x] Write a new CDS Hook server to be run with npm
-- [ ] Complete the App
+- [x] Complete the App
   - [x] Enable the EHR to close the form with a `ui.done` message
   - [x] Enable the form to read the draft order from the fhir client on load
   - [x] Enable writes to the form to update the draft order in the EHR

auc.js

@@ -45,6 +45,16 @@ class Criterion {
   }
 };
 
+function evaluate(order, reasons) {
+  if (order) {
+    const criterion = criteria[order];
+    if (criterion && reasons.length) {
+      return criterion.getRating(new Set(reasons));
+    }
+  }
+  return 'no-guidelines-apply';
+}
+
 const criteria = {
   'no-procedures-for': new Criterion([[SNOMED.TOOTHACHE]], []),
   [CPT.CT_HEAD_NO_CONTRAST]: new Criterion([[SNOMED.HEADACHE, SNOMED.OPTIC_DISC_EDEMA]], []),
@@ -55,5 +65,5 @@ const criteria = {
 };
 
 module.exports = {
-  CPT, SNOMED, criteria, getRating: Criterion.prototype.getRating,
+  CPT, SNOMED, criteria, evaluate, getRating: Criterion.prototype.getRating,
 };

cds-services.js

@@ -42,16 +42,6 @@ function getReasons(serviceRequest) {
     .map(coding => coding.code).flat();
 }
 
-function getRating(orders, reasons) {
-  if (orders.length) {
-    const criterion = auc.criteria[orders[0]];
-    if (criterion && reasons.length) {
-      return criterion.getRating(new Set(reasons));
-    }
-  }
-  return 'no-guidelines-apply';
-}
-
 app.post('/cds-services/demo-auc-app', function(request, response) {
   const draftOrder = request.body.context.draftOrders.entry[0];
   const serviceRequest = draftOrder.resource;
@@ -63,7 +53,8 @@ app.post('/cds-services/demo-auc-app', function(request, response) {
     return;
   }
 
-  const card = cardDetails[getRating(orders, indications)];
+  const rating = auc.evaluate(orders.slice().pop(), reasons);
+  const card = cardDetails[rating];
   const label = 'Click to view the source presentation.';
   const sourceUrl = 'https://docs.google.com/presentation/d/1QT6HWPW1Kix656s8hZzCMY7fgkTEEck0_aApBASc7rk/edit?usp=sharing';
   const cards = [{

index.html

@@ -113,13 +113,7 @@
     function getRating() {
       const order = document.getElementById('orders').value;
       const reasons = document.getElementById('indications').value;
-      if (order) {
-        const criterion = criteria[order];
-        if (criterion && reasons) {
-          return criterion.getRating(new Set([reasons]));
-        }
-      }
-      return 'no-guidelines-apply';
+      return evaluate(order, [reasons]);
     }
 
     function showRating() {

package.json

@@ -1,12 +1,11 @@
 {
   "name": "smart-auc-demo",
-  "version": "2.0.0",
-  "description": "A demo AUC consultation app.",
-  "main": "index.js",
+  "version": "3.0.0",
+  "description": "A demo AUC guideline consultation app.",
+  "main": "index.html",
   "scripts": {
-    "all": "concurrently --kill-others \"npm:cds-services\" \"npm:launch\" \"npm:demo\"",
+    "all": "concurrently --kill-others \"npm:cds-services\" \"npm:launch\"",
     "cds-services": "nodemon ./cds-services.js",
-    "demo": "nodemon ./index.js",
     "launch": "http-server -p 8899 -c-1",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
@@ -25,7 +24,6 @@
     "concurrently": "^5.0.0",
     "cors": "^2.8.5",
     "express": "^4.17.1",
-    "express-session": "^1.17.0",
     "fhirclient": "^2.1.0",
     "http-server": "^0.11.1",
     "jquery": "^3.4.1"