Add discord endpoint

index.js

@@ -491,6 +491,28 @@ app.get("/api/v1/directory", (req, res) => {
 	});
 });
 
+// Other public endpoints that need special handling
+discordInviteCache = {time: 0, url: ""};
+
+app.get("/discord", (req, res) => {
+	// fetch from process.env.WIDGET_URL, get json body, redirect to body.instant_invite. Cache url for 5 minutes
+	if (Date.now() - discordInviteCache.time < 300000) {
+		res.redirect(discordInviteCache.url);
+		return;
+	}
+	fetch(process.env.WIDGET_URL)
+		.then(response => response.json())
+		.then(data => {
+			discordInviteCache.time = Date.now();
+			discordInviteCache.url = data.instant_invite;
+			res.redirect(data.instant_invite);
+		})
+		.catch(error => {
+			console.error('Error fetching discord invite:', error);
+			res.status(500).send('Internal server error');
+		});
+});
+
 // Query to get a route
 app.get('/api/v1/route/:apiKey/:ani/:number', (req, res) => {
 	const apiKey = req.params.apiKey;