Added IPC for files loading from external

newton/ipc.js

@@ -0,0 +1,81 @@
+const express    = require('express');
+const bodyParser = require('body-parser');
+const http       = require('http');
+const socketIO   = require('socket.io');
+const fetch      = require('electron-fetch').default
+
+
+const IPC_SERVER_IP         = "127.0.0.1";
+let window                  = null;
+let ipcServer               = null;
+let ipcServerPort           = "4563";
+let ipcServerURL            = `http://${IPC_SERVER_IP}:${ipcServerPort}`;
+
+
+const setWindow = (win) => {
+        window = win;
+}
+
+const loadIPCServer = (fpath) => {
+
+    const app = express();
+    ipcServer = http.createServer(app);
+    const io  = socketIO(ipcServer);
+
+    app.use(bodyParser.json());
+    app.use(
+        bodyParser.urlencoded({
+            extended: true,
+        }),
+    );
+
+    app.get("/is-up", (req, res) => {
+        res.status(200).send('yes');
+    });
+
+    app.post("/load-files", (req, res) => {
+        console.debug("Load File(s) : ", req.body);
+
+        window.webContents.send('load-files', req.body);
+        res.status(200).send('');
+    });
+
+    ipcServer.listen(ipcServerPort, () => {
+        console.debug(`IPCServer is up on port ${ipcServerPort}`);
+    });
+
+}
+
+const isIPCServerUp = async () => {
+    const response = await fetch(`${ipcServerURL}/is-up`).catch((err) => {
+        console.debug(err);
+        return {
+            text: () => {
+                return "no";
+            }
+        }
+    });
+
+    const body = await response.text();
+    return (body == "yes") ? true : false;
+}
+
+const sendFilesToIPC = async (files) => {
+    let request = {
+        method: "POST",
+        body: JSON.stringify(files),
+        headers: { 'Content-Type': 'application/json' }
+    };
+
+    await fetch(`${ipcServerURL}/load-files`, request);
+}
+
+
+module.exports = {
+    newtonIPC: {
+        setWindow: setWindow,
+        loadIPCServer: loadIPCServer,
+        isIPCServerUp: isIPCServerUp,
+        sendFilesToIPC: sendFilesToIPC,
+    }
+};