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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Demo AUC Guidance App</title>
</head>
<body>
<div>
<form id='auc_form' onsubmit="return evaluateFormContent()">
<input type="hidden" id="provider" name="provider">
<table>
<caption>Enter Patient Demographics</caption>
<tr>
<th><label for="gender">Gender</label></th>
<td>
<select name="gender" required>
<option id="male" value="male">Male</option>
<option id="female" value="female">Female</option>
<option id="other" value="other">Other</option>
</select>
</td>
</tr>
<tr>
<th><label for="age">Age</label></th>
<td><input id="age" name="age" required></td>
</tr>
<tr>
<th><label for="indication">Indication</label></th>
<td>
<input id="indications" list="indicationsData" name="indication" required>
<datalist id="indicationsData">
<option id="13213009" value="13213009">congenital heart disease</option>
<option id="25064002" value="25064002">headache</option>
<option id="279039007" value="279039007">lower back pain</option>
<option id="423341008" value="423341008">optic disc edema</option>
<option id="27355003" value="27355003">toothache</option>
</datalist>
</td>
</tr>
<tr>
<th><label for="procedure">Procedure</label></th>
<td>
<input id="orders" list="proceduresData" name="procedure" required>
<datalist id="proceduresData">
<option id="75561" value="75561">cardiac mri</option>
<option id="70450" value="70450">ct scan - no contrast material</option>
<option id="71275" value="71275">cta - with contrast material</option>
<option id="72133" value="72133">lumbar spine ct scan</option>
<option id="70544" value="70544">mra - head</option>
</datalist>
</td>
</tr>
</table>
<input type="submit" value="Evaluate" />
</form>
</div>
<br>
<div>Current rating is:</div><div id='rating'>Waiting for data...</div>
<br>
<div id='button_panel' style='display:none'>
<button id="close_btn" onclick='closeApp()' style='background-color: rgb(255, 95, 95);'>Close App</button>
<button id="update_btn" onclick='updateApp()' style='background-color: rgb(127, 255, 95);'>Update EHR</button>
</div>
<script>let module = {};</script>
<script src="auc.js"></script>
<script src="node_modules/fhirclient/build/fhir-client.js"></script>
<script src="http://wzrd.in/standalone/uuid%2Fv4@latest"></script>
<script>
const QCDSMID = 'G-1011';
let appContext = null;
async function getContext(client) {
const appContextStr = client.state.tokenResponse.appContext || '{}';
appContext = JSON.parse(appContextStr);
const indications = appContext.indications || [-1];
const orders = appContext.orders || [-1];
return {
indication: indications.pop() || -1,
order: orders.pop() || -1,
patient: await client.patient.read(),
user: await client.user.read(),
};
}
function populateForm(context) {
const patient = context.patient;
const then = new Date(patient.birthDate),
now = new Date();
const msPerYear = 365.25 * 24 * 60 * 60 * 1000;
const age = (now.getTime() - then.getTime()) / msPerYear;
document.getElementById('provider').value = context.user.id;
document.getElementById('age').value = Math.round(age);
document.getElementById(context.patient.gender).setAttribute('selected', 1);
if (context.indication !== -1) {
document.getElementById('indications').value = context.indication;
}
if (context.order !== -1) {
document.getElementById('orders').value = context.order;
}
}
function evaluateFormContent() {
document.getElementById('rating').innerText = getRating();
return false; // prevent page refresh
}
function getRating() {
const order = document.getElementById('orders').value;
const reasons = document.getElementById('indications').value;
return evaluate(order, [reasons]);
}
function showRating() {
document.getElementById('rating').innerText = getRating();
}
function showButtons() {
// BONUS: only show these if there's a UI available *to* update.
document.getElementById('button_panel').style.display = 'block';
}
if (typeof FHIR === 'undefined') {
throw new Error('Unable to load the FHIR client. Halting page load.');
}
const messagingHandle = 'demo_auc_guideline_consultation_app';
const targetWindow = window.parent !== window.self ? window.parent : window.opener;
const targetOrigin = 'http://sandbox.cds-hooks.org';
FHIR.oauth2.ready()
.then(getContext)
.then(populateForm)
.then(showRating)
.then(showButtons)
.catch(console.error);
function closeApp() {
targetWindow.postMessage({
messagingHandle,
messageId: uuidv4(),
messageType: 'ui.done'
}, targetOrigin)
}
function addRating(draftOrder, rating) {
// BONUS: make this reuseable elsewhere, or import from a module.
draftOrder.resource.extension = [
{
"url": "http://fhir.org/argonaut/Extension/pama-rating",
"valueCodeableConcept": {
"coding": [
{
"system": "http://fhir.org/argonaut/CodeSystem/pama-rating",
"code": rating
}
]
}
},
{
"url": "http://fhir.org/argonaut/Extension/pama-rating-qcdsm-consulted",
"valueString": QCDSMID
},
{
"url": "http://fhir.org/argonaut/Extension/pama-rating-consult-id",
"valueUri": `urn:${ uuidv4() }`
}
];
}
function applyFormData(draftOrder) {
const orderId = document.getElementById('orders');
const orderText = document.getElementById(orderId.value).innerText;
const indicationId = document.getElementById('indications');
const indicationText = document.getElementById(indicationId.value).innerText;
draftOrder.resource.code.coding[0].code = orderId.value;
draftOrder.resource.code.coding[0].display = orderText;
draftOrder.resource.reasonCode[0].coding[0].code = indicationId.value;
draftOrder.resource.reasonCode[0].coding[0].display = indicationText;
}
function updateApp() {
const draftOrder = appContext.draftOrder;
const rating = getRating();
applyFormData(draftOrder);
addRating(draftOrder, rating);
targetWindow.postMessage({
payload: draftOrder,
messagingHandle,
messageId: uuidv4(),
messageType: 'scratchpad.update'
}, targetOrigin);
closeApp(); // Keep, enable once v3.0 is done.
}
</script>
</body>
</html>