markus/HL7v2
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HL7-1: add comments to code

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This commit is contained in:
Markus Thielker 2025-07-30 13:06:17 +02:00
parent ad48df97e5
commit 3898715915
4 changed files with 37 additions and 8 deletions
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6
packages/server/index.ts
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@ -17,6 +17,7 @@ for (const prefix of config.prefixes) {
}
}
// mixes the array randomly to avoid getting the same ID reassigned
function shake(arr: any[]) {
for (let i = arr.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
@ -71,9 +72,11 @@ wss.on('connection', (ws) => {
console.log(`Client connected. Assigning ID: ${stationId}`);
// listen for messages and defined message handling
ws.on('message', (message) => {
try {
// parse every message to type Message
const parsedMessage: Message = JSON.parse(message.toString());
console.log(`Received message from ${stationId}:`, parsedMessage);
@ -81,6 +84,7 @@ wss.on('connection', (ws) => {
if (parsedMessage.type === MessageType.send_hl7v2) {
const { message } = parsedMessage.payload;
// TODO: validate message
// get sender and recipient ID
@ -98,6 +102,7 @@ wss.on('connection', (ws) => {
// Find the recipient's WebSocket connection in our map.
const recipientWs = clients.get(recipientId);
// check if recipient exists and is connected
if (recipientWs && recipientWs.readyState === WebSocket.OPEN) {
// The recipient is connected. Forward the message.
@ -136,6 +141,7 @@ wss.on('connection', (ws) => {
if (stationId) {
availableIds.push(stationId);
}
// shake IDs to avoid getting the same ID reassigned
availableIds = shake(availableIds);
});