add /stats API endpoint

api/src/index.ts

@@ -27,6 +27,7 @@ export { logger, app, db, PORT, SESSION_LIFETIME }
 
         import('./routes/internal/ws'),
         import('./routes/root'),
+        import('./routes/stats'),
         import('./routes/login'),
         import('./routes/dash/servers'),
         import('./routes/dash/server'),

api/src/routes/stats.ts

@@ -0,0 +1,24 @@
+import { app, logger } from '..';
+import { Request, Response } from 'express';
+import { botReq } from './internal/ws';
+
+let SERVER_COUNT = 0;
+
+const fetchStats = async () => {
+    try {
+        const res = await botReq('stats');
+        if (!res.success) return logger.warn(`Failed to fetch bot stats: ${res.statusCode} / ${res.error}`);
+        if (res.servers) SERVER_COUNT = Number(res.servers);
+    } catch(e) {
+        console.error(e);
+    }
+}
+
+fetchStats();
+setInterval(() => fetchStats(), 10000);
+
+app.get('/stats', async (req: Request, res: Response) => {
+    res.send({
+        servers: SERVER_COUNT,
+    });
+});

bot/src/bot/modules/api_communication.ts

@@ -136,6 +136,11 @@ wsEvents.on('req:requestLogin', async (data: any, cb: (data: WSResponse) => void
     }
 });
 
+wsEvents.on('req:stats', async (_data: any, cb: (data: { servers: number }) => void) => {
+    const servers = bot.servers.size;
+    cb({ servers });
+});
+
 export { wsEvents, wsSend, WSResponse }
 
 import('./api/servers');