Added a new method for file download and correct csv is getting added.

server/controllers/monitorController.js

@@ -727,8 +727,7 @@ class MonitorController {
 
 			const csv = pkg.unparse(csvData);
 
-			return res.success({
-				msg: this.stringService.monitorsExported,
+			return res.file({
 				data: csv,
 				headers: {
 					"Content-Type": "text/csv",

server/middleware/responseHandler.js

@@ -45,6 +45,21 @@ const responseHandler = (req, res, next) => {
 			data,
 		});
 	};
+
+	/**
+	 * Sends a raw file response (for CSV, PDF, etc.)
+	 * @param {Object} options
+	 * @param {Buffer|string} options.data - The file content
+	 * @param {Object} options.headers - Headers to set (e.g. Content-Type, Content-Disposition)
+	 * @param {number} [options.status=200] - HTTP status code
+	 */
+	res.file = ({ data, headers = {}, status = 200 }) => {
+		Object.entries(headers).forEach(([key, value]) => {
+			res.setHeader(key, value);
+		});
+		return res.status(status).send(data);
+	};
+
 	next();
 };