Schedule cron job

script.js

@@ -40,5 +40,16 @@ const form = document.getElementById('merge-form');
                 result.innerHTML = 'Error merging calendars';
             });
         });
-
+        const refreshInterval = 60 * 60 * 1000; // 1 hour
+        setInterval(() => {
+            fetch('/merge')
+                .then((response) => response.json())
+                .then((data) => {
+                    result.innerHTML = `Merged calendar URL: <a href="${data.url}">${data.url}</a>`;
+                })
+                .catch((error) => {
+                    console.error(error);
+                    result.innerHTML = 'Error merging calendars';
+                });
+        }, refreshInterval);
    

server.js

@@ -114,14 +114,62 @@ async function updateMergedCalendar(){
         });
 
         const results = await Promise.all(promises);
+        // Filter out any failed requests
+    const validResults = results.filter((result) => result !== null);
+
+    // Parse calendar data
+    const mergedCal = [];
+    validResults.forEach((result) => {
+        const calendar = ical.parseICS(result.data);
+        Object.keys(calendar).forEach((key) => {
+            const event = calendar[key];
+            mergedCal.push({
+                start: event.start,
+                end: event.end,
+                summary: `${result.prefix} ${event.summary}`,
+            });
+        });
+    });
+
+    // Save merged calendar to file
+    const filename = `merged-${Date.now()}.ics`;
+    let icalString = `BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+METHOD:PUBLISH
+BEGIN:VEVENT
+`;
+    mergedCal.forEach((event) => {
+        icalString += `DTSTART:${event.start}
+DTEND:${event.end}
+SUMMARY:${event.summary}
+END:VEVENT
+`;
+    });
+    icalString += `END:VCALENDAR`;
+    fs.writeFileSync(filename, icalString);
+
+    // Generate a unique URL for the merged calendar
+    const mergedCalendarUrl = `http://localhost:3000/${filename}`;
+    console.log(`Merged calendar updated: ${mergedCalendarUrl}`);
+
+
     }  catch (error) {
         console.error(error);
     }
 }
+
+const refreshInterval = 60 * 60 * 1000; // 1 hour
+
+setInterval(() => {
+    // Fetch new calendar data and update the merged calendar
+    updateMergedCalendar();
+}, refreshInterval);
+
 // Schedule a cron job to update the merged calendar every hour
 cron.schedule('0 * * * *', () => {
     console.log('Updating merged calendar...');
-    // TO DO: implement the logic to update the merged calendar
+    updateMergedCalendar();
 });
 
 // Start the server