/
server.js
46 lines (42 loc) · 1.36 KB
/
server.js
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const express = require("express");
const { WebPubSubServiceClient } = require("@azure/web-pubsub");
const { WebPubSubEventHandler } = require("@azure/web-pubsub-express");
const app = express();
const hubName = "sample_chat";
const port = 8080;
let connectionString = process.env.WebPubSubConnectionString || process.argv[2];
console.log(connectionString);
let serviceClient = new WebPubSubServiceClient(connectionString, hubName);
let handler = new WebPubSubEventHandler(hubName, {
path: "/eventhandler",
onConnected: async (req) => {
console.log(`${req.context.userId} connected`);
await serviceClient.sendToAll({
type: "system",
message: `${req.context.userId} joined`,
});
},
handleUserEvent: async (req, res) => {
if (req.context.eventName === "message") {
await serviceClient.sendToAll({
from: req.context.userId,
message: req.data,
});
}
res.success();
},
});
app.use(handler.getMiddleware());
app.get("/negotiate", async (req, res) => {
let id = req.query.id;
if (!id) {
res.status(400).send("missing user id");
return;
}
let token = await serviceClient.getClientAccessToken({ userId: id });
res.json({
url: token.url,
});
});
app.use(express.static("public"));
module.exports = app.listen(port, () => console.log(`Event handler listening at http://localhost:${port}${handler.path}`));