Update server.js

server.js

@@ -94,7 +94,7 @@ const downloadFile = async (fileUrl, filePath, requestId) => {
     return false;
 };
 
-// **API Route - Only Respond When Download is Done**
+// **API Route - Responds Immediately, Processes in Background**
 app.get("/download", async (req, res) => {
     const fileUrl = req.query.url;
 
@@ -115,15 +115,16 @@ app.get("/download", async (req, res) => {
     const hostUrl = `${req.protocol}://${req.get("host")}`;
     const servedUrl = `${hostUrl}/files/${filename}`;
 
-    // **Wait for download to complete before responding**
-    const success = await downloadFile(fileUrl, filePath, requestId);
+    // **Respond to the client immediately**
+    res.json({ message: "Processing in background", fileUrl: servedUrl });
 
-    if (success) {
-        scheduleFileDeletion(filePath);
-        res.json({ message: "✅ Download complete", fileUrl: servedUrl });
-    } else {
-        res.status(500).json({ error: "❌ Download failed" });
-    }
+    // **Background Processing (Download)**
+    (async () => {
+        const success = await downloadFile(fileUrl, filePath, requestId);
+        if (success) {
+            scheduleFileDeletion(filePath);
+        }
+    })();
 });
 
 // Serve files from downloads directory