changes

server/handlers.js

@@ -1,10 +1,28 @@
+import path from 'path'
+import fs from 'fs'
 import { broadcast } from './ws.js';
 
+const CSV_PATH = path.join(process.cwd(), 'db/logs.csv')
+
+function appendToCSV(row) {
+    const exists = fs.existsSync(CSV_PATH)
+
+    const header = 'name,latitude,longitude,timestamp\n'
+    const line = `${row.name},${row.latitude},${row.longitude},${row.timestamp}\n`
+
+    if (!exists) {
+        fs.appendFileSync(CSV_PATH, header + line, 'utf8')
+    } else {
+        fs.appendFileSync(CSV_PATH, line, 'utf8')
+    }
+}
+
 const handlers = {
     updateLocation(req, res) {
         const { name, latitude, longitude, timestamp } = req.body;
         console.log(`Received location: (${name}, ${latitude}, ${longitude}) at ${timestamp}`);
         broadcast("update-location", { name, latitude, longitude, timestamp });
+        appendToCSV({ name, latitude, longitude, timestamp })
         res.json({ success: true });
     },