fetch calendar data from urls

server.js

@@ -91,18 +91,31 @@ app.get('/:filename', (req, res) => {
     res.sendFile(filename, { root: '.' });
 });
 
-// Start the server
-const port = 3000;
-app.listen(port, () => {
-    console.log(`Server started on port ${port}`);
-});
-
 // Function to update the merged calendar
 async function updateMergedCalendar(){
     try {
         // Load calendars data from file
         const calendarsFile = 'calendars.json';
         const calendars = JSON.parse(fs.readFileSync(calendarsFile, 'utf8'));
+         
+        // Fetch calendar data from URLs
+         const promises = calendars.map((calendar) => {
+            return axios.get(calendar.url)
+                .then((response) => {
+                    return {
+                        data: response.data,
+                        prefix: calendar.prefix,
+                    };
+                })
+                .catch((error) => {
+                    console.error(error);
+                    return null;
+                });
+        });
+
+        const results = await Promise.all(promises);
+    }  catch (error) {
+        console.error(error);
     }
 }
 // Schedule a cron job to update the merged calendar every hour
@@ -110,3 +123,9 @@ cron.schedule('0 * * * *', () => {
     console.log('Updating merged calendar...');
     // TO DO: implement the logic to update the merged calendar
 });
+
+// Start the server
+const port = 3000;
+app.listen(port, () => {
+    console.log(`Server started on port ${port}`);
+});