download link with filename from api

pages/api/proxy/[...route].js

@@ -61,7 +61,7 @@ const getSASToken = () => {
 };
 
 export default async function ApiProxy(req, res) {
-    console.log(req.method);
+    //console.log(req.method);
 
     var data = JSON.stringify(req.body);
     const SASToken = getSASToken();
@@ -121,18 +121,21 @@ export default async function ApiProxy(req, res) {
                 : config
         )
             .then((response) => {
-                // console.log(response);
                 res.statusCode = 200;
                 if (hasDocument) {
-                    res.setHeader("Content-Type", "text/plain");
+                    res.setHeader(
+                        "Content-disposition",
+                        "attachment; filename=" +
+                            response.headers["content-disposition"].split(
+                                "filename="
+                            )[1]
+                    );
                     res.end(response.data);
                 } else {
                     res.setHeader("Content-Type", "application/json");
-                    res.setHeader("Cache-Control", "max-age=1800000");
+                    // res.setHeader("Cache-Control", "max-age=1800000");
                     res.end(JSON.stringify(response.data));
                 }
-
-                //console.log("response data", response.data);
                 resolve();
             })
             .catch((error) => {