Download file for logs

Author: Peter Wilson

frontend/pages/api/clients/DayTraderClient.js

@@ -249,4 +249,16 @@ export function Quote(userId, stockSymbol, requestNum) {
     });
 }
 
+export function GetFile(filename) {
+    return new Promise((accept, reject) => {
+        DayTraderClient.File({ filename }, (err, value) => {
+            if (err == null) {
+                accept(value);
+            } else {
+                reject(err);
+            }
+        });
+    });
+}
+
 

frontend/pages/api/clients/day-trader.proto

@@ -42,6 +42,16 @@ service DayTrader {
   rpc Login(LoginRequest) returns (LoginResponse);
 
   rpc Quote(QuoteRequest) returns (QuoteRequestSimple);
+
+  rpc File(FileRequest) returns (FileResponse);
+}
+
+message FileRequest {
+  string filename = 1;
+}
+
+message FileResponse {
+  bytes contents = 1;
 }
 
 message QuoteRequestSimple {

frontend/pages/api/log/system.js

@@ -1,4 +1,4 @@
-import { DumpLog } from "../clients/DayTraderClient";
+import { DumpLog, GetFile } from "../clients/DayTraderClient";
 
 
 export default async function dumplog(req, res){
@@ -9,9 +9,11 @@ export default async function dumplog(req, res){
         }
         return res.status(200).json(response)
     }else{
-        const grpcCall = await DumpLog("dumplog.xml", -1);
+        const filename = "dumplog.xml";
+        const grpcCall = await DumpLog(filename, -1);
+        const grpcFileCall = await GetFile(grpcCall.xml)
         const response = {
-            xml: grpcCall.xml,
+            file: grpcFileCall.contents,
             success: true,
         }
         return res.status(200).json(response)

frontend/pages/api/log/user.js

@@ -1,4 +1,4 @@
-import { DumpLogUser } from "../clients/DayTraderClient";
+import { DumpLogUser, GetFile } from "../clients/DayTraderClient";
 
 export default async function userLog(req, res){
     const user = req.body.username;
@@ -9,9 +9,11 @@ export default async function userLog(req, res){
         }
         return res.status(200).json(response)
     }else{
-        const grpcCall = await DumpLogUser(user, "dumploguser.xml", -1);
+        const filename = "dumploguser.xml";
+        const grpcCall = await DumpLogUser(user, filename, -1);
+        const grpcFileCall = await GetFile(grpcCall.xml)
         const response = {
-            xml: grpcCall.xml,
+            file: grpcFileCall.contents,
             success: true,
         }
         return res.status(200).json(response)

frontend/pages/settings.js

@@ -2,6 +2,18 @@ import { Button, Container, Divider, Typography } from '@mui/material'
 import React, { useContext } from 'react'
 import { UserContext } from './_app'
 
+const downloadFile = (filename, data) => {
+    const link = document.createElement('a');
+    link.download = filename;
+    const bufferData = new Uint8Array(data);
+    const textData = new TextDecoder().decode(bufferData);
+    const blob = new Blob([textData], { type: 'text/xml' });
+    link.href = URL.createObjectURL(blob);
+    link.click();
+};
+
+
+
 function settings() {
     const user = useContext(UserContext).user
     if(!user){
@@ -22,6 +34,9 @@ function settings() {
         try{
             const response_parsed = await (await fetch(url, fetchArgs)).json()
             console.log(response_parsed);
+            if (response_parsed.success) {
+                downloadFile('SystemDumpLog.xml', response_parsed.file.data);
+            }
         }catch(error){
             console.log(error);
         }
@@ -41,6 +56,9 @@ function settings() {
         try{
             const response_parsed = await (await fetch(url, fetchArgs)).json()
             console.log(response_parsed);
+            if (response_parsed.success) {
+                downloadFile('UserDumpLog.xml', response_parsed.file.data);
+            }
         }catch(error){
             console.log(error);
         }

frontend/src/components/SignUp.js

@@ -26,11 +26,8 @@ export default function SignUp() {
       const responseParsed = await response.json();
       if (responseParsed.success) {
         localStorage.setItem('jwt', responseParsed.user);
-        window.location.href = "/"
-        setError("");
-      }else{
-        setError("Invalid username or password, please try again");
       }
+      window.location.href = "/"
     }catch(error){
       console.log("error:",error);
       setError("Invalid username or password, please try again");