From 849aa131bad2302b00e0a22e2317e38dcad0026c Mon Sep 17 00:00:00 2001
From: ScriptyChris <ScriptyChris@gmail.com>
Date: Sun, 18 Jul 2021 16:54:48 +0200
Subject: [PATCH 1/9] Separate Http, WebSocket and variable constants to
 modules; Refactor code to use classes;

---
 src/index.js            | 168 ++--------------------------------------
 src/server/http.js      |  87 +++++++++++++++++++++
 src/server/webSocket.js |  99 +++++++++++++++++++++++
 src/vars.js             |  20 +++++
 4 files changed, 211 insertions(+), 163 deletions(-)
 create mode 100644 src/server/http.js
 create mode 100644 src/server/webSocket.js
 create mode 100644 src/vars.js

diff --git a/src/index.js b/src/index.js
index 3bb4bf8..f1968ca 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,164 +1,6 @@
-import http from 'http';
-import https from 'https';
-import express from 'express';
-import bodyParser from 'body-parser';
-import WebSocket from 'ws';
-import config, { sslConfig } from './config';
-import mailer from './mailer';
+import HttpServer from './server/http';
+import WebSocketServer from './server/webSocket';
 
-const app = express();
-app.use(bodyParser.json());
-const server = createServer();
-server.listen(config.port.http, () =>
-  console.log(`Server is listening on port ${config.port.http}, over ${config.protocol.toUpperCase()} protocol.`)
-);
-
-const HTTP_ERROR_CODES = Object.freeze({
-  FORBIDDEN: 403,
-  METHOD_NOT_ALLOWED: 405,
-  WS_CLOSE_ERROR_CODE: 4000,
-});
-const GROUP_REGEXPS = Object.freeze({
-  main: /^$|\/$/,
-  activity: /^(\/?)activity/,
-});
-const GROUP_NAMES = Object.freeze({
-  MAIN: 'main',
-  ACTIVITY: 'activity',
-});
-const ACTIONS = Object.freeze({
-  ADD_POST: 'add-post',
-});
-
-const wss = new WebSocket.Server({ server });
-wss.on('error', onWSSError);
-wss.on('connection', onWSSConnection);
-wss.on('close', onWSSClose);
-
-// check request
-app.all('*', onAll);
-
-// send new list html to users
-app.post('/', onPost);
-
-function createServer() {
-  if (config.protocol === 'https') {
-    return https.createServer(
-      {
-        key: sslConfig.key,
-        cert: sslConfig.cert,
-      },
-      app
-    );
-  }
-
-  return http.createServer(app);
-}
-
-let mailSent = false;
-
-function onWSSError(error) {
-  console.error('WebSocket server error: ', error);
-
-  if (!mailSent) {
-    mailer.sendMail(`<p>Wystąpił błąd na serwerze WebSocket!<br><output>${JSON.stringify(error)}</output></p>`);
-    mailSent = true;
-  }
-}
-
-function onWSSConnection(ws) {
-  ws.on('error', onWSError);
-  ws.on('message', onWSMessage);
-}
-
-function onWSSClose(event) {
-  console.log('WebSocket server closed: ', event);
-}
-
-function onWSMessage(event) {
-  const parsedEvent = parseWSMessage(this, event);
-
-  if (!parsedEvent) {
-    return;
-  }
-
-  assignWSClientToGroup(this, parsedEvent.pathname);
-}
-
-function onWSError(event) {
-  console.error('ws error event: ', event);
-
-  if (!event.errno) {
-    throw event;
-  }
-}
-
-function onAll(req, res, next) {
-  // check authorization
-  if (req.headers.token !== config.token) {
-    res.sendStatus(HTTP_ERROR_CODES.FORBIDDEN);
-    return;
-  }
-
-  if (req.method !== 'POST') {
-    res.sendStatus(HTTP_ERROR_CODES.METHOD_NOT_ALLOWED);
-    return;
-  }
-
-  next();
-}
-
-function parseWSMessage(ws, event) {
-  let parsedEvent = {};
-
-  try {
-    if (!event) {
-      throw Error('ws empty message event');
-    }
-
-    parsedEvent = JSON.parse(event);
-  } catch (exception) {
-    console.error('ws invalid JSON message: ', event, ' threw exception: ', exception);
-    ws.close(HTTP_ERROR_CODES.WS_CLOSE_ERROR_CODE, 'Message is not valid JSON!');
-
-    return null;
-  }
-
-  if (!parsedEvent.pathname) {
-    console.error('ws empty pathname: ', parsedEvent.pathname);
-    ws.close(HTTP_ERROR_CODES.WS_CLOSE_ERROR_CODE, 'Empty pathname!');
-
-    return null;
-  }
-
-  return parsedEvent;
-}
-
-function assignWSClientToGroup(ws, pathname) {
-  const pathName = pathname.replace(/\//g, '');
-  const groupName = Object.keys(GROUP_REGEXPS).find((groupName) => GROUP_REGEXPS[groupName].test(pathName));
-
-  if (!groupName) {
-    console.error('ws unexpected groupName: ', groupName, ' from pathName: ', pathName);
-    ws.close(HTTP_ERROR_CODES.WS_CLOSE_ERROR_CODE, 'Unexpected pathname!');
-  }
-
-  ws._GROUP_NAME = groupName;
-}
-
-function onPost(req, res) {
-  res.sendStatus(200);
-
-  const { action } = req.body;
-  const groupNames = [GROUP_NAMES.ACTIVITY];
-
-  if (action === ACTIONS.ADD_POST) {
-    groupNames.push(GROUP_NAMES.MAIN);
-  }
-
-  for (const wsClient of wss.clients) {
-    if (groupNames.includes(wsClient._GROUP_NAME)) {
-      wsClient.send(JSON.stringify({ action }));
-    }
-  }
-}
+const httpServer = new HttpServer();
+const wsServer = new WebSocketServer(httpServer.server);
+// console.log('wsServer:', wsServer.wss);
diff --git a/src/server/http.js b/src/server/http.js
new file mode 100644
index 0000000..0dfebfe
--- /dev/null
+++ b/src/server/http.js
@@ -0,0 +1,87 @@
+import http from 'http';
+import https from 'https';
+import express from 'express';
+import bodyParser from 'body-parser';
+import config, { sslConfig } from '../config';
+import { HTTP_STATUS_CODES, GROUP_NAMES, ACTIONS } from '../vars';
+
+class HttpServer {
+  constructor() {
+    this.server = null;
+    this.app = null;
+
+    this.initConnectionWithQ2A();
+    this.initServerForWebSocket();
+  }
+
+  initConnectionWithQ2A() {
+    this.app = express();
+    this.app.use(bodyParser.json());
+
+    // check request
+    this.app.all('*', this.onAll.bind(this));
+
+    // send new list html to users
+    this.app.post('/', this.onPost.bind(this));
+  }
+
+  initServerForWebSocket() {
+    this.server = this.createHttpServerWithOptionalCert();
+    this.server.listen(config.port.http, () =>
+      console.log(`Server is listening on port ${config.port.http}, over ${config.protocol.toUpperCase()} protocol.`)
+    );
+  }
+
+  createHttpServerWithOptionalCert() {
+    if (config.protocol === 'https') {
+      return https.createServer(
+        {
+          key: sslConfig.key,
+          cert: sslConfig.cert,
+        },
+      );
+    }
+  
+    return http.createServer();
+  }
+
+  onAll(req, res, next) {
+    console.log('(onAll) req.url', req.url);
+
+    // check authorization
+    if (req.headers.token !== config.token) {
+      res.sendStatus(HTTP_STATUS_CODES.FORBIDDEN);
+      return;
+    }
+  
+    if (req.method !== 'POST') {
+      res.sendStatus(HTTP_STATUS_CODES.METHOD_NOT_ALLOWED);
+      return;
+    }
+  
+    next();
+  }
+  
+  onPost(req, res) {
+      console.log('POST...', req.body)
+
+      res.sendStatus(200);
+    
+      const { action } = req.body;
+      const groupNames = [GROUP_NAMES.ACTIVITY];
+
+      console.log('(onPost) action:', action, ' /groupNames:', groupNames, ' /ACTIONS:', ACTIONS);
+    
+      if (action === ACTIONS.ADD_POST) {
+        groupNames.push(GROUP_NAMES.MAIN);
+      }
+    
+      for (const wsClient of wss.clients) {
+        if (groupNames.includes(wsClient._GROUP_NAME)) {
+          wsClient.send(JSON.stringify({ action }));
+        }
+      }
+    }
+}
+
+export default HttpServer;
\ No newline at end of file
diff --git a/src/server/webSocket.js b/src/server/webSocket.js
new file mode 100644
index 0000000..3dfdb14
--- /dev/null
+++ b/src/server/webSocket.js
@@ -0,0 +1,99 @@
+import WebSocket from 'ws';
+import mailer from '../mailer';
+import * as VARS from '../vars';
+
+const { HTTP_STATUS_CODES, GROUP_REGEXPS } = VARS;
+
+class WebSocketServer {
+  constructor(httpServer) {
+    // console.log('??? httpServer:', httpServer);
+
+    this.wss = new WebSocket.Server({ server: httpServer });
+    this.wss.on('open', (e) => console.log('????open', e))
+    this.wss.on('opening', (e) => console.log('????opening', e))
+    this.wss.on('error', this.onWSSError.bind(this));
+    this.wss.on('connection', this.onWSSConnection.bind(this));
+    this.wss.on('close', this.onWSSClose.bind(this));
+
+    this.mailSent = false;
+  }
+
+  assignWSClientToGroup(ws, pathname) {
+    const pathName = pathname.replace(/\//g, '');
+    const groupName = Object.keys(GROUP_REGEXPS).find((groupName) => GROUP_REGEXPS[groupName].test(pathName));
+  
+    if (!groupName) {
+      console.error('ws unexpected groupName: ', groupName, ' from pathName: ', pathName);
+      ws.close(HTTP_STATUS_CODES.WS_CLOSE_ERROR_CODE, 'Unexpected pathname!');
+    }
+  
+    ws._GROUP_NAME = groupName;
+  }
+
+  parseWSMessage(ws, event) {
+    let parsedEvent = {};
+  
+    try {
+      if (!event) {
+        throw Error('ws empty message event');
+      }
+  
+      parsedEvent = JSON.parse(event);
+    } catch (exception) {
+      console.error('ws invalid JSON message: ', event, ' threw exception: ', exception);
+      ws.close(HTTP_STATUS_CODES.WS_CLOSE_ERROR_CODE, 'Message is not valid JSON!');
+  
+      return null;
+    }
+  
+    if (!parsedEvent.pathname) {
+      console.error('ws empty pathname: ', parsedEvent.pathname);
+      ws.close(HTTP_STATUS_CODES.WS_CLOSE_ERROR_CODE, 'Empty pathname!');
+  
+      return null;
+    }
+  
+    return parsedEvent;
+  }
+
+  onWSSError(error) {
+    console.error('WebSocket server error: ', error);
+  
+    if (!this.mailSent) {
+      mailer.sendMail(`<p>Wystąpił błąd na serwerze WebSocket!<br><output>${JSON.stringify(error)}</output></p>`);
+      this.mailSent = true;
+    }
+  }
+  
+  onWSSConnection(ws) {
+    console.log('WS connected');
+
+    ws.on('error', this.onWSError.bind(this));
+    ws.on('message', this.onWSMessage.bind(this));
+  }
+  
+  onWSSClose(event) {
+    console.log('WebSocket server closed: ', event);
+  }
+  
+  onWSMessage(event) {
+    const parsedEvent = this.parseWSMessage(this, event);
+    console.log('parsedEvent:',parsedEvent);
+  
+    if (!parsedEvent) {
+      return;
+    }
+  
+    this.assignWSClientToGroup(this, parsedEvent.pathname);
+  }
+  
+  onWSError(event) {
+    console.error('ws error event: ', event);
+  
+    if (!event.errno) {
+      throw event;
+    }
+  }
+}
+
+export default WebSocketServer;
\ No newline at end of file
diff --git a/src/vars.js b/src/vars.js
new file mode 100644
index 0000000..343bd67
--- /dev/null
+++ b/src/vars.js
@@ -0,0 +1,20 @@
+export const HTTP_STATUS_CODES = Object.freeze({
+  OK: 20,
+  FORBIDDEN: 403,
+  METHOD_NOT_ALLOWED: 405,
+  WS_CLOSE_ERROR_CODE: 4000,
+});
+
+export const GROUP_REGEXPS = Object.freeze({
+  main: /^$|\/$/,
+  activity: /^(\/?)activity/,
+});
+
+export const GROUP_NAMES = Object.freeze({
+  MAIN: 'main',
+  ACTIVITY: 'activity',
+});
+
+export const ACTIONS = Object.freeze({
+  ADD_POST: 'add-post',
+});
\ No newline at end of file

From 78a06df5a8b4e8a9b5704c36f322ff6e2f66846b Mon Sep 17 00:00:00 2001
From: Krzysztof Pawelec <ScriptyChris@gmail.com>
Date: Sun, 18 Jul 2021 19:25:11 +0200
Subject: [PATCH 2/9] Fix issues with not responding Http server;

---
 src/index.js            |  3 +-
 src/server/http.js      | 57 ++++++++++++++++------------------
 src/server/webSocket.js | 68 +++++++++++++++++++++++------------------
 src/vars.js             |  5 +--
 4 files changed, 69 insertions(+), 64 deletions(-)

diff --git a/src/index.js b/src/index.js
index f1968ca..0d59249 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,5 +2,4 @@ import HttpServer from './server/http';
 import WebSocketServer from './server/webSocket';
 
 const httpServer = new HttpServer();
-const wsServer = new WebSocketServer(httpServer.server);
-// console.log('wsServer:', wsServer.wss);
+new WebSocketServer(httpServer);
diff --git a/src/server/http.js b/src/server/http.js
index 0dfebfe..deaf713 100644
--- a/src/server/http.js
+++ b/src/server/http.js
@@ -9,6 +9,7 @@ class HttpServer {
   constructor() {
     this.server = null;
     this.app = null;
+    this.socketClientsNotifier = () => console.error('Method not attached!');
 
     this.initConnectionWithQ2A();
     this.initServerForWebSocket();
@@ -17,11 +18,7 @@ class HttpServer {
   initConnectionWithQ2A() {
     this.app = express();
     this.app.use(bodyParser.json());
-
-    // check request
     this.app.all('*', this.onAll.bind(this));
-
-    // send new list html to users
     this.app.post('/', this.onPost.bind(this));
   }
 
@@ -39,49 +36,47 @@ class HttpServer {
           key: sslConfig.key,
           cert: sslConfig.cert,
         },
+        this.app
       );
     }
-  
-    return http.createServer();
+
+    return http.createServer(this.app);
   }
 
   onAll(req, res, next) {
-    console.log('(onAll) req.url', req.url);
-
-    // check authorization
     if (req.headers.token !== config.token) {
       res.sendStatus(HTTP_STATUS_CODES.FORBIDDEN);
       return;
     }
-  
+
     if (req.method !== 'POST') {
       res.sendStatus(HTTP_STATUS_CODES.METHOD_NOT_ALLOWED);
       return;
     }
-  
+
     next();
   }
-  
+
   onPost(req, res) {
-      console.log('POST...', req.body)
-
-      res.sendStatus(200);
-    
-      const { action } = req.body;
-      const groupNames = [GROUP_NAMES.ACTIVITY];
-
-      console.log('(onPost) action:', action, ' /groupNames:', groupNames, ' /ACTIONS:', ACTIONS);
-    
-      if (action === ACTIONS.ADD_POST) {
-        groupNames.push(GROUP_NAMES.MAIN);
-      }
-    
-      for (const wsClient of wss.clients) {
-        if (groupNames.includes(wsClient._GROUP_NAME)) {
-          wsClient.send(JSON.stringify({ action }));
-        }
-      }
+    console.log('POST...', req.body);
+
+    res.sendStatus(200);
+
+    const { action } = req.body;
+    const groupNames = [GROUP_NAMES.ACTIVITY];
+
+    console.log('(onPost) action:', action, ' /groupNames:', groupNames, ' /ACTIONS:', ACTIONS);
+
+    if (action === ACTIONS.ADD_POST) {
+      groupNames.push(GROUP_NAMES.MAIN);
     }
+
+    this.socketClientsNotifier(action, groupNames);
+  }
+
+  attachSocketClientsNotifier(fn) {
+    this.socketClientsNotifier = fn;
+  }
 }
 
-export default HttpServer;
\ No newline at end of file
+export default HttpServer;
diff --git a/src/server/webSocket.js b/src/server/webSocket.js
index 3dfdb14..350759c 100644
--- a/src/server/webSocket.js
+++ b/src/server/webSocket.js
@@ -6,94 +6,104 @@ const { HTTP_STATUS_CODES, GROUP_REGEXPS } = VARS;
 
 class WebSocketServer {
   constructor(httpServer) {
-    // console.log('??? httpServer:', httpServer);
+    this.mailSent = false;
 
-    this.wss = new WebSocket.Server({ server: httpServer });
-    this.wss.on('open', (e) => console.log('????open', e))
-    this.wss.on('opening', (e) => console.log('????opening', e))
+    this.wss = new WebSocket.Server({ server: httpServer.server });
+    this.wss.on('open', (e) => console.log('????open', e));
+    this.wss.on('opening', (e) => console.log('????opening', e));
     this.wss.on('error', this.onWSSError.bind(this));
     this.wss.on('connection', this.onWSSConnection.bind(this));
     this.wss.on('close', this.onWSSClose.bind(this));
 
-    this.mailSent = false;
+    httpServer.attachSocketClientsNotifier(this.socketClientsNotifier.bind(this));
   }
 
-  assignWSClientToGroup(ws, pathname) {
+  assignWSClientToGroup(pathname, ws) {
     const pathName = pathname.replace(/\//g, '');
     const groupName = Object.keys(GROUP_REGEXPS).find((groupName) => GROUP_REGEXPS[groupName].test(pathName));
-  
+
     if (!groupName) {
       console.error('ws unexpected groupName: ', groupName, ' from pathName: ', pathName);
       ws.close(HTTP_STATUS_CODES.WS_CLOSE_ERROR_CODE, 'Unexpected pathname!');
     }
-  
+
     ws._GROUP_NAME = groupName;
   }
 
   parseWSMessage(ws, event) {
     let parsedEvent = {};
-  
+
     try {
       if (!event) {
         throw Error('ws empty message event');
       }
-  
+
       parsedEvent = JSON.parse(event);
     } catch (exception) {
       console.error('ws invalid JSON message: ', event, ' threw exception: ', exception);
       ws.close(HTTP_STATUS_CODES.WS_CLOSE_ERROR_CODE, 'Message is not valid JSON!');
-  
+
       return null;
     }
-  
+
     if (!parsedEvent.pathname) {
       console.error('ws empty pathname: ', parsedEvent.pathname);
       ws.close(HTTP_STATUS_CODES.WS_CLOSE_ERROR_CODE, 'Empty pathname!');
-  
+
       return null;
     }
-  
+
     return parsedEvent;
   }
 
+  socketClientsNotifier(action, groupNames) {
+    for (const wsClient of this.wss.clients) {
+      console.log('(socketClientsNotifier) groupNames:', groupNames, ' /wsClient._GROUP_NAME:', wsClient._GROUP_NAME);
+
+      if (groupNames.includes(wsClient._GROUP_NAME)) {
+        wsClient.send(JSON.stringify({ action }));
+      }
+    }
+  }
+
   onWSSError(error) {
     console.error('WebSocket server error: ', error);
-  
+
     if (!this.mailSent) {
       mailer.sendMail(`<p>Wystąpił błąd na serwerze WebSocket!<br><output>${JSON.stringify(error)}</output></p>`);
       this.mailSent = true;
     }
   }
-  
+
   onWSSConnection(ws) {
-    console.log('WS connected');
+    console.log('WebSocket connected');
 
     ws.on('error', this.onWSError.bind(this));
-    ws.on('message', this.onWSMessage.bind(this));
+    ws.on('message', (event) => this.onWSMessage(event, ws));
   }
-  
+
   onWSSClose(event) {
     console.log('WebSocket server closed: ', event);
   }
-  
-  onWSMessage(event) {
+
+  onWSMessage(event, ws) {
     const parsedEvent = this.parseWSMessage(this, event);
-    console.log('parsedEvent:',parsedEvent);
-  
+    console.log('parsedEvent:', parsedEvent);
+
     if (!parsedEvent) {
       return;
     }
-  
-    this.assignWSClientToGroup(this, parsedEvent.pathname);
+
+    this.assignWSClientToGroup(parsedEvent.pathname, ws);
   }
-  
+
   onWSError(event) {
-    console.error('ws error event: ', event);
-  
+    console.error('WebSocket error event: ', event);
+
     if (!event.errno) {
       throw event;
     }
   }
 }
 
-export default WebSocketServer;
\ No newline at end of file
+export default WebSocketServer;
diff --git a/src/vars.js b/src/vars.js
index 343bd67..34c36fe 100644
--- a/src/vars.js
+++ b/src/vars.js
@@ -16,5 +16,6 @@ export const GROUP_NAMES = Object.freeze({
 });
 
 export const ACTIONS = Object.freeze({
-  ADD_POST: 'add-post',
-});
\ No newline at end of file
+  ADD_POST: 'q_post',
+  COMMENT_POST: 'c_post',
+});

From 76afc98715eaff71ed4a2e6ae9ca2aae63fca36b Mon Sep 17 00:00:00 2001
From: Krzysztof Pawelec <ScriptyChris@gmail.com>
Date: Mon, 19 Jul 2021 01:34:27 +0200
Subject: [PATCH 3/9] Prepare to match connected users by session - get their
 session cookie and id from database;

---
 .env.example            |  1 +
 package-lock.json       |  5 +++++
 package.json            |  1 +
 src/config.js           |  1 +
 src/server/webSocket.js | 45 ++++++++++++++++++++++++++++++++++++-----
 5 files changed, 48 insertions(+), 5 deletions(-)

diff --git a/.env.example b/.env.example
index 90df5d7..8162a05 100644
--- a/.env.example
+++ b/.env.example
@@ -3,6 +3,7 @@ PROTOCOL=http
 HOST=localhost
 HTTP_PORT=3000
 WS_PORT=3000
+Q2A_PORT=80
 SSL_KEY_PATH=
 SSL_CERT_PATH=
 MAILER_HOST=
diff --git a/package-lock.json b/package-lock.json
index 3346daa..08f472f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2913,6 +2913,11 @@
         "lower-case": "^1.1.1"
       }
     },
+    "node-fetch": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
+      "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw=="
+    },
     "nodemailer": {
       "version": "4.7.0",
       "resolved": "https://registry.npmjs.org/nodemailer/-/nodemailer-4.7.0.tgz",
diff --git a/package.json b/package.json
index ffd08ae..20f8d79 100644
--- a/package.json
+++ b/package.json
@@ -28,6 +28,7 @@
     "express": "^4.17.1",
     "html-minifier": "^3.5.3",
     "jsdom": "^16.3.0",
+    "node-fetch": "^2.6.1",
     "nodemailer": "^4.0.1",
     "rimraf": "^3.0.2",
     "ws": "^7.3.1"
diff --git a/src/config.js b/src/config.js
index dfad350..9096139 100644
--- a/src/config.js
+++ b/src/config.js
@@ -11,6 +11,7 @@ export default {
   port: {
     http: Number(process.env.HTTP_PORT) || 3000,
     ws: Number(process.env.WS_PORT) || 3000,
+    q2a: Number(process.env.Q2A_PORT) || 80,
   },
   mailer: {
     host: process.env.MAILER_HOST || '',
diff --git a/src/server/webSocket.js b/src/server/webSocket.js
index 350759c..f7afb29 100644
--- a/src/server/webSocket.js
+++ b/src/server/webSocket.js
@@ -1,9 +1,12 @@
 import WebSocket from 'ws';
+import fetch from 'node-fetch';
 import mailer from '../mailer';
 import * as VARS from '../vars';
+import config from '../config';
 
 const { HTTP_STATUS_CODES, GROUP_REGEXPS } = VARS;
 
+
 class WebSocketServer {
   constructor(httpServer) {
     this.mailSent = false;
@@ -27,7 +30,9 @@ class WebSocketServer {
       ws.close(HTTP_STATUS_CODES.WS_CLOSE_ERROR_CODE, 'Unexpected pathname!');
     }
 
-    ws._GROUP_NAME = groupName;
+    ws._CLIENT_META_DATA = {
+      groupName /*, cookie*/,
+    };
   }
 
   parseWSMessage(ws, event) {
@@ -56,11 +61,28 @@ class WebSocketServer {
     return parsedEvent;
   }
 
+  getSessionCookie(reqHeaders) {
+    const cookie = reqHeaders && reqHeaders.cookie;
+
+    if (cookie) {
+      const sessionCookie = cookie.split(' ').find((c) => c.includes('qa_session'));
+
+      return sessionCookie ? sessionCookie.split('=')[1] : null;
+    }
+
+    return null;
+  }
+
   socketClientsNotifier(action, groupNames) {
     for (const wsClient of this.wss.clients) {
-      console.log('(socketClientsNotifier) groupNames:', groupNames, ' /wsClient._GROUP_NAME:', wsClient._GROUP_NAME);
-
-      if (groupNames.includes(wsClient._GROUP_NAME)) {
+      console.log(
+        '(socketClientsNotifier) groupNames:',
+        groupNames,
+        ' /wsClient._CLIENT_META_DATA:',
+        wsClient._CLIENT_META_DATA
+      );
+
+      if (groupNames.includes(wsClient._CLIENT_META_DATA)) {
         wsClient.send(JSON.stringify({ action }));
       }
     }
@@ -75,8 +97,21 @@ class WebSocketServer {
     }
   }
 
-  onWSSConnection(ws) {
+  onWSSConnection(ws, req) {
     console.log('WebSocket connected');
+    
+    const sessionCookie =this.getSessionCookie(req.headers)
+    console.log('sessionCookie:', sessionCookie);
+    
+    fetch(`${config.protocol}://${config.host}:${config.port.q2a}/user-id`/*'http://localhost:4080/user-id'*/, {
+      headers: {
+        cookie: `qa_session=${sessionCookie}`,
+        token: config.token,
+      }
+    })
+      .then(res => res.text())
+      .then(userId => console.log('userId:', Number(userId)))
+      .catch(console.error)
 
     ws.on('error', this.onWSError.bind(this));
     ws.on('message', (event) => this.onWSMessage(event, ws));

From 03e42a21184f066ca7850421bb2882136e5eb545 Mon Sep 17 00:00:00 2001
From: Krzysztof Pawelec <ScriptyChris@gmail.com>
Date: Tue, 20 Jul 2021 19:42:00 +0200
Subject: [PATCH 4/9] Add ESLint with Node plugin; Modify Babel to target Node
 v11.9, which is used on forum production; Update ws library;

---
 .babelrc          |   10 +-
 .eslintrc.json    |    3 +
 package-lock.json | 2627 +++++++++++++++++++++++++++++++++++++++++++--
 package.json      |    9 +-
 4 files changed, 2539 insertions(+), 110 deletions(-)
 create mode 100644 .eslintrc.json

diff --git a/.babelrc b/.babelrc
index 181cce6..ea8aa0f 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,3 +1,9 @@
 {
-	"presets": ["env"]
-}
\ No newline at end of file
+	"presets": [
+		["env", {
+			"targets": {
+				"node": "11.9"
+			}
+		}]
+	]
+}
diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000..dfdf144
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,3 @@
+{
+  "extends": ["node"]
+}
diff --git a/package-lock.json b/package-lock.json
index 08f472f..6a40fb1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,318 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.12.11",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.12.11.tgz",
+      "integrity": "sha512-Zt1yodBx1UcyiePMSkWnU4hPqhwq7hGi2nFL1LeA3EUl+q2LQx16MISgJ0+z7dnmgvP9QtIleuETGOiOH1RcIw==",
+      "requires": {
+        "@babel/highlight": "^7.10.4"
+      }
+    },
+    "@babel/generator": {
+      "version": "7.14.5",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.14.5.tgz",
+      "integrity": "sha512-y3rlP+/G25OIX3mYKKIOlQRcqj7YgrvHxOLbVmyLJ9bPmi5ttvUmpydVjcFjZphOktWuA7ovbx91ECloWTfjIA==",
+      "requires": {
+        "@babel/types": "^7.14.5",
+        "jsesc": "^2.5.1",
+        "source-map": "^0.5.0"
+      },
+      "dependencies": {
+        "jsesc": {
+          "version": "2.5.2",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-2.5.2.tgz",
+          "integrity": "sha512-OYu7XEzjkCQ3C5Ps3QIZsQfNpqoJyZZA99wd9aWd05NCtC5pWOkShK2mkL6HXQR6/Cy2lbNdPlZBpuQHXE63gA=="
+        }
+      }
+    },
+    "@babel/helper-function-name": {
+      "version": "7.14.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.14.5.tgz",
+      "integrity": "sha512-Gjna0AsXWfFvrAuX+VKcN/aNNWonizBj39yGwUzVDVTlMYJMK2Wp6xdpy72mfArFq5uK+NOuexfzZlzI1z9+AQ==",
+      "requires": {
+        "@babel/helper-get-function-arity": "^7.14.5",
+        "@babel/template": "^7.14.5",
+        "@babel/types": "^7.14.5"
+      }
+    },
+    "@babel/helper-get-function-arity": {
+      "version": "7.14.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.14.5.tgz",
+      "integrity": "sha512-I1Db4Shst5lewOM4V+ZKJzQ0JGGaZ6VY1jYvMghRjqs6DWgxLCIyFt30GlnKkfUeFLpJt2vzbMVEXVSXlIFYUg==",
+      "requires": {
+        "@babel/types": "^7.14.5"
+      }
+    },
+    "@babel/helper-hoist-variables": {
+      "version": "7.14.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-hoist-variables/-/helper-hoist-variables-7.14.5.tgz",
+      "integrity": "sha512-R1PXiz31Uc0Vxy4OEOm07x0oSjKAdPPCh3tPivn/Eo8cvz6gveAeuyUUPB21Hoiif0uoPQSSdhIPS3352nvdyQ==",
+      "requires": {
+        "@babel/types": "^7.14.5"
+      }
+    },
+    "@babel/helper-split-export-declaration": {
+      "version": "7.14.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.14.5.tgz",
+      "integrity": "sha512-hprxVPu6e5Kdp2puZUmvOGjaLv9TCe58E/Fl6hRq4YiVQxIcNvuq6uTM2r1mT/oPskuS9CgR+I94sqAYv0NGKA==",
+      "requires": {
+        "@babel/types": "^7.14.5"
+      }
+    },
+    "@babel/helper-validator-identifier": {
+      "version": "7.14.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.14.5.tgz",
+      "integrity": "sha512-5lsetuxCLilmVGyiLEfoHBRX8UCFD+1m2x3Rj97WrW3V7H3u4RWRXA4evMjImCsin2J2YT0QaVDGf+z8ondbAg=="
+    },
+    "@babel/highlight": {
+      "version": "7.14.5",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.14.5.tgz",
+      "integrity": "sha512-qf9u2WFWVV0MppaL877j2dBtQIDgmidgjGk5VIMw3OadXvYaXn66U1BFlH2t4+t3i+8PhedppRv+i40ABzd+gg==",
+      "requires": {
+        "@babel/helper-validator-identifier": "^7.14.5",
+        "chalk": "^2.0.0",
+        "js-tokens": "^4.0.0"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+          "requires": {
+            "color-convert": "^1.9.0"
+          }
+        },
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        },
+        "color-convert": {
+          "version": "1.9.3",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+          "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+          "requires": {
+            "color-name": "1.1.3"
+          }
+        },
+        "color-name": {
+          "version": "1.1.3",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+          "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
+        },
+        "has-flag": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
+        },
+        "js-tokens": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
+          "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ=="
+        },
+        "supports-color": {
+          "version": "5.5.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+          "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        }
+      }
+    },
+    "@babel/parser": {
+      "version": "7.14.7",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.14.7.tgz",
+      "integrity": "sha512-X67Z5y+VBJuHB/RjwECp8kSl5uYi0BvRbNeWqkaJCVh+LiTPl19WBUfG627psSgp9rSf6ojuXghQM3ha6qHHdA=="
+    },
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+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.14.5.tgz",
+      "integrity": "sha512-6Z3Po85sfxRGachLULUhOmvAaOo7xCvqGQtxINai2mEGPFm6pQ4z5QInFnUrRpfoSV60BnjyF5F3c+15fxFV1g==",
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+        "@babel/code-frame": "^7.14.5",
+        "@babel/parser": "^7.14.5",
+        "@babel/types": "^7.14.5"
+      },
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+        "@babel/code-frame": {
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+          "requires": {
+            "@babel/highlight": "^7.14.5"
+          }
+        }
+      }
+    },
+    "@babel/traverse": {
+      "version": "7.14.7",
+      "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.14.7.tgz",
+      "integrity": "sha512-9vDr5NzHu27wgwejuKL7kIOm4bwEtaPQ4Z6cpCmjSuaRqpH/7xc4qcGEscwMqlkwgcXl6MvqoAjZkQ24uSdIZQ==",
+      "requires": {
+        "@babel/code-frame": "^7.14.5",
+        "@babel/generator": "^7.14.5",
+        "@babel/helper-function-name": "^7.14.5",
+        "@babel/helper-hoist-variables": "^7.14.5",
+        "@babel/helper-split-export-declaration": "^7.14.5",
+        "@babel/parser": "^7.14.7",
+        "@babel/types": "^7.14.5",
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+        "globals": "^11.1.0"
+      },
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+          }
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+            "ms": "2.1.2"
+          }
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+        }
+      }
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+      "requires": {
+        "@babel/helper-validator-identifier": "^7.14.5",
+        "to-fast-properties": "^2.0.0"
+      },
+      "dependencies": {
+        "to-fast-properties": {
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+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-0.4.3.tgz",
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+        "ajv": "^6.12.4",
+        "debug": "^4.1.1",
+        "espree": "^7.3.0",
+        "globals": "^13.9.0",
+        "ignore": "^4.0.6",
+        "import-fresh": "^3.2.1",
+        "js-yaml": "^3.13.1",
+        "minimatch": "^3.0.4",
+        "strip-json-comments": "^3.1.1"
+      },
+      "dependencies": {
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+          "version": "6.12.6",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
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+          "requires": {
+            "fast-deep-equal": "^3.1.1",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.4.1",
+            "uri-js": "^4.2.2"
+          }
+        },
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+          "version": "1.0.10",
+          "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+          "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+          "requires": {
+            "sprintf-js": "~1.0.2"
+          }
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+        "debug": {
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
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+            "ms": "2.1.2"
+          }
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+          }
+        },
+        "js-yaml": {
+          "version": "3.14.1",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+          "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^4.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        },
+        "strip-json-comments": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.1.tgz",
+          "integrity": "sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig=="
+        }
+      }
+    },
+    "@humanwhocodes/config-array": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.5.0.tgz",
+      "integrity": "sha512-FagtKFz74XrTl7y6HCzQpwDfXP0yhxe9lHLD1UZxjvZIcbyRz8zTFF/yYNfSfzU414eDwZ1SrO0Qvtyf+wFMQg==",
+      "requires": {
+        "@humanwhocodes/object-schema": "^1.2.0",
+        "debug": "^4.1.1",
+        "minimatch": "^3.0.4"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.2",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.2.tgz",
+          "integrity": "sha512-mOp8wKcvj7XxC78zLgw/ZA+6TSgkoE2C/ienthhRD298T7UNwAg9diBpLRxC0mOezLl4B0xV7M0cCO6P/O0Xhw==",
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
+      }
+    },
+    "@humanwhocodes/object-schema": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@humanwhocodes/object-schema/-/object-schema-1.2.0.tgz",
+      "integrity": "sha512-wdppn25U8z/2yiaT6YGquE6X8sSv7hNMWSXYSSU1jGv/yd6XqjXgTDJ8KP4NgjTXfJ3GbRjeeb8RTV7a/VpM+w=="
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+    },
+    "tslib": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
+      "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg=="
+    },
     "tunnel-agent": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -3996,6 +6359,11 @@
       "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
       "dev": true
     },
+    "type-fest": {
+      "version": "0.20.2",
+      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.20.2.tgz",
+      "integrity": "sha512-Ne+eE4r0/iWnpAxD852z3A+N0Bt5RN//NjJwRd2VFHEmrywxf5vsZlh4R6lixl6B+wz/8d+maTSAkN1FIkI3LQ=="
+    },
     "type-is": {
       "version": "1.6.18",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
@@ -4029,6 +6397,17 @@
         "source-map": "~0.5.1"
       }
     },
+    "unbox-primitive": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/unbox-primitive/-/unbox-primitive-1.0.1.tgz",
+      "integrity": "sha512-tZU/3NqK3dA5gpE1KtyiJUrEB0lxnGkMFHptJ7q6ewdZ8s12QrODwNbhIJStmJkd1QDXa1NRA8aF2A1zk/Ypyw==",
+      "requires": {
+        "function-bind": "^1.1.1",
+        "has-bigints": "^1.0.1",
+        "has-symbols": "^1.0.2",
+        "which-boxed-primitive": "^1.0.2"
+      }
+    },
     "undefsafe": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/undefsafe/-/undefsafe-0.0.3.tgz",
@@ -4102,6 +6481,11 @@
       "integrity": "sha1-Z+LoY3lyFVMN/zGOW/nc6/1Hsho=",
       "dev": true
     },
+    "v8-compile-cache": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz",
+      "integrity": "sha512-l8lCEmLcLYZh4nbunNZvQCJc5pv7+RCwa8q/LdUx8u7lsWvPDKmpodJAJNwkAhJC//dFY48KuIEmjtd4RViDrA=="
+    },
     "v8flags": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-2.1.1.tgz",
@@ -4111,6 +6495,15 @@
         "user-home": "^1.1.1"
       }
     },
+    "validate-npm-package-license": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
+      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
+      "requires": {
+        "spdx-correct": "^3.0.0",
+        "spdx-expression-parse": "^3.0.0"
+      }
+    },
     "vary": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -4181,11 +6574,22 @@
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
       "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
-      "dev": true,
       "requires": {
         "isexe": "^2.0.0"
       }
     },
+    "which-boxed-primitive": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz",
+      "integrity": "sha512-bwZdv0AKLpplFY2KZRX6TvyuN7ojjr7lwkg6ml0roIy9YeuSr7JS372qlNW18UQYzgYK9ziGcerWqZOmEn9VNg==",
+      "requires": {
+        "is-bigint": "^1.0.1",
+        "is-boolean-object": "^1.1.0",
+        "is-number-object": "^1.0.4",
+        "is-string": "^1.0.5",
+        "is-symbol": "^1.0.3"
+      }
+    },
     "wide-align": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
@@ -4265,6 +6669,14 @@
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
+    "write": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/write/-/write-1.0.3.tgz",
+      "integrity": "sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==",
+      "requires": {
+        "mkdirp": "^0.5.1"
+      }
+    },
     "write-file-atomic": {
       "version": "1.3.4",
       "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-1.3.4.tgz",
@@ -4277,9 +6689,9 @@
       }
     },
     "ws": {
-      "version": "7.3.1",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.3.1.tgz",
-      "integrity": "sha512-D3RuNkynyHmEJIpD2qrgVkc9DQ23OrN/moAwZX4L8DfvszsJxpjQuUq3LMx6HoYji9fbIOBY18XWBsAux1ZZUA=="
+      "version": "7.5.3",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.5.3.tgz",
+      "integrity": "sha512-kQ/dHIzuLrS6Je9+uv81ueZomEwH0qVYstcAQ4/Z93K8zeko9gtAbttJWzoC5ukqXY1PpoouV3+VSOqEAFt5wg=="
     },
     "xdg-basedir": {
       "version": "2.0.0",
@@ -4311,6 +6723,11 @@
       "integrity": "sha512-hsRUr4FFrvhhRH12wOdfs38Gy7k2FFzB9qgN9v3aLykRq0dRcdcpz5C9FxdS2NuhOrI/628b/KSTJ3rwHysYSg==",
       "dev": true
     },
+    "yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+    },
     "yargs": {
       "version": "16.2.0",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-16.2.0.tgz",
diff --git a/package.json b/package.json
index 20f8d79..b173e7c 100644
--- a/package.json
+++ b/package.json
@@ -5,9 +5,10 @@
   "main": "dist/index.js",
   "scripts": {
     "prettier": "node_modules/.bin/prettier --write src/ test/",
-    "dev": "nodemon src/index.js --exec babel-node",
+    "eslint": "eslint src/",
+    "dev": "nodemon --exec \"npm run prettier && npm run eslint && babel-node src/index.js\"",
     "debug": "node --inspect-brk dist/index.js",
-    "prebuild": "npm run prettier && rimraf dist",
+    "prebuild": "npm run prettier && npm run eslint && rimraf dist",
     "build": "babel src -d dist",
     "serve": "node dist/index.js",
     "pretest": "npm run build",
@@ -25,13 +26,15 @@
     "body-parser": "^1.19.0",
     "dotenv": "^8.2.0",
     "escape-html": "^1.0.3",
+    "eslint": "^7.31.0",
+    "eslint-config-node": "^4.1.0",
     "express": "^4.17.1",
     "html-minifier": "^3.5.3",
     "jsdom": "^16.3.0",
     "node-fetch": "^2.6.1",
     "nodemailer": "^4.0.1",
     "rimraf": "^3.0.2",
-    "ws": "^7.3.1"
+    "ws": "^7.5.3"
   },
   "devDependencies": {
     "babel-cli": "^6.24.1",

From b83a93979c61c57723a2d2f044daf45b12454572 Mon Sep 17 00:00:00 2001
From: Krzysztof Pawelec <ScriptyChris@gmail.com>
Date: Tue, 20 Jul 2021 19:45:08 +0200
Subject: [PATCH 5/9] Fixes for ESLint;

---
 src/config.js | 6 ++++--
 src/index.js  | 1 +
 src/mailer.js | 2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/config.js b/src/config.js
index 9096139..4a9f7b8 100644
--- a/src/config.js
+++ b/src/config.js
@@ -1,5 +1,7 @@
 import dotenv from 'dotenv';
 import { readFileSync } from 'fs';
+import { resolve } from 'path';
+
 dotenv.config();
 
 export const sslConfig = getSslConfig();
@@ -44,8 +46,8 @@ function getSslConfig() {
 
     if (!isSslConfigSpecified) {
       console.warn('SSL config not provided. Self signed certificate is used');
-      sslKeyPath = path.resolve(__dirname, '../ssl/develop.key');
-      sslCertPath = path.resolve(__dirname, '../ssl/develop.cert');
+      sslKeyPath = resolve(__dirname, '../ssl/develop.key');
+      sslCertPath = resolve(__dirname, '../ssl/develop.cert');
     }
     key = readFileSync(sslKeyPath, 'utf8');
     cert = readFileSync(sslCertPath, 'utf8');
diff --git a/src/index.js b/src/index.js
index 0d59249..ee7caa0 100644
--- a/src/index.js
+++ b/src/index.js
@@ -2,4 +2,5 @@ import HttpServer from './server/http';
 import WebSocketServer from './server/webSocket';
 
 const httpServer = new HttpServer();
+// eslint-disable-next-line no-new
 new WebSocketServer(httpServer);
diff --git a/src/mailer.js b/src/mailer.js
index d587997..82d6bd2 100644
--- a/src/mailer.js
+++ b/src/mailer.js
@@ -2,7 +2,7 @@ import nodemailer from 'nodemailer';
 import config from './config';
 
 export default {
-  sendMail: function (message) {
+  sendMail(message) {
     const transporter = nodemailer.createTransport(config.mailer);
 
     const mailOptions = {

From 123425e9507446e43aab81362a970688c50fcf91 Mon Sep 17 00:00:00 2001
From: Krzysztof Pawelec <ScriptyChris@gmail.com>
Date: Tue, 20 Jul 2021 19:50:55 +0200
Subject: [PATCH 6/9] Separate Http and WebSocket classes to core config and
 features implementations; Get user id from Q2A and match it with remaining
 user/socket-client metadata; Further ESLint fixes;

---
 src/server/http.js      |  55 ++++++++++---
 src/server/webSocket.js | 172 +++++++++++++++++++++++++---------------
 2 files changed, 152 insertions(+), 75 deletions(-)

diff --git a/src/server/http.js b/src/server/http.js
index deaf713..8285e63 100644
--- a/src/server/http.js
+++ b/src/server/http.js
@@ -5,21 +5,31 @@ import bodyParser from 'body-parser';
 import config, { sslConfig } from '../config';
 import { HTTP_STATUS_CODES, GROUP_NAMES, ACTIONS } from '../vars';
 
-class HttpServer {
+class HttpServerCore {
   constructor() {
     this.server = null;
     this.app = null;
     this.socketClientsNotifier = () => console.error('Method not attached!');
-
-    this.initConnectionWithQ2A();
-    this.initServerForWebSocket();
   }
 
-  initConnectionWithQ2A() {
+  initConnectionWithQ2A(middlewareList) {
     this.app = express();
     this.app.use(bodyParser.json());
-    this.app.all('*', this.onAll.bind(this));
-    this.app.post('/', this.onPost.bind(this));
+
+    if (!Array.isArray(middlewareList) || middlewareList.length === 0) {
+      throw TypeError('middlewareList argument must be non empty array!');
+    }
+
+    middlewareList.forEach(({ method, path, listener }) => {
+      if (!method || !path || !listener) {
+        throw ReferenceError(`
+          middleware must contain: method, path and listener params!
+          Received method: "${method}", path: "${path}", listener: "${listener}"
+        `);
+      }
+
+      this.app[method](path, listener);
+    });
   }
 
   initServerForWebSocket() {
@@ -43,7 +53,30 @@ class HttpServer {
     return http.createServer(this.app);
   }
 
-  onAll(req, res, next) {
+  attachSocketClientsNotifier(fn) {
+    this.socketClientsNotifier = fn;
+  }
+}
+
+class HttpServer extends HttpServerCore {
+  constructor() {
+    super();
+    this.initConnectionWithQ2A([
+      {
+        method: 'all',
+        path: '*',
+        listener: HttpServer.onAll,
+      },
+      {
+        method: 'post',
+        path: '/',
+        listener: this.onPost.bind(this),
+      },
+    ]);
+    this.initServerForWebSocket();
+  }
+
+  static onAll(req, res, next) {
     if (req.headers.token !== config.token) {
       res.sendStatus(HTTP_STATUS_CODES.FORBIDDEN);
       return;
@@ -65,7 +98,7 @@ class HttpServer {
     const { action } = req.body;
     const groupNames = [GROUP_NAMES.ACTIVITY];
 
-    console.log('(onPost) action:', action, ' /groupNames:', groupNames, ' /ACTIONS:', ACTIONS);
+    console.log('(onPost) action:', action, '\n/groupNames:', groupNames, '\n/ACTIONS:', ACTIONS);
 
     if (action === ACTIONS.ADD_POST) {
       groupNames.push(GROUP_NAMES.MAIN);
@@ -73,10 +106,6 @@ class HttpServer {
 
     this.socketClientsNotifier(action, groupNames);
   }
-
-  attachSocketClientsNotifier(fn) {
-    this.socketClientsNotifier = fn;
-  }
 }
 
 export default HttpServer;
diff --git a/src/server/webSocket.js b/src/server/webSocket.js
index f7afb29..a726bf1 100644
--- a/src/server/webSocket.js
+++ b/src/server/webSocket.js
@@ -1,41 +1,68 @@
 import WebSocket from 'ws';
 import fetch from 'node-fetch';
 import mailer from '../mailer';
+// eslint-disable-next-line import/no-namespace
 import * as VARS from '../vars';
 import config from '../config';
 
 const { HTTP_STATUS_CODES, GROUP_REGEXPS } = VARS;
 
-
-class WebSocketServer {
+class WebSocketServerCore {
   constructor(httpServer) {
     this.mailSent = false;
-
     this.wss = new WebSocket.Server({ server: httpServer.server });
-    this.wss.on('open', (e) => console.log('????open', e));
-    this.wss.on('opening', (e) => console.log('????opening', e));
-    this.wss.on('error', this.onWSSError.bind(this));
-    this.wss.on('connection', this.onWSSConnection.bind(this));
-    this.wss.on('close', this.onWSSClose.bind(this));
+  }
 
-    httpServer.attachSocketClientsNotifier(this.socketClientsNotifier.bind(this));
+  initWebSocketEvents(externalEventListenerList) {
+    if (!Array.isArray(externalEventListenerList) || externalEventListenerList.length === 0) {
+      throw TypeError('eventList argument must be non empty array!');
+    }
+
+    const coreEventListenerList = [
+      {
+        eventName: 'error',
+        listener: this.onWSSError.bind(this),
+      },
+      {
+        eventName: 'close',
+        listener: WebSocketServerCore.onWSSClose,
+      },
+    ];
+
+    [...coreEventListenerList, ...externalEventListenerList].forEach(({ eventName, listener }) => {
+      if (!eventName || !listener) {
+        throw ReferenceError(`
+          event listener must contain: eventName and listener params!
+          Received eventName: "${eventName}", listener: "${listener}"
+        `);
+      }
+
+      this.wss.on(eventName, listener);
+    });
   }
 
-  assignWSClientToGroup(pathname, ws) {
-    const pathName = pathname.replace(/\//g, '');
-    const groupName = Object.keys(GROUP_REGEXPS).find((groupName) => GROUP_REGEXPS[groupName].test(pathName));
+  static onWSSClose(event) {
+    console.log('WebSocket server closed: ', event);
+  }
 
-    if (!groupName) {
-      console.error('ws unexpected groupName: ', groupName, ' from pathName: ', pathName);
-      ws.close(HTTP_STATUS_CODES.WS_CLOSE_ERROR_CODE, 'Unexpected pathname!');
+  onWSSError(error) {
+    console.error('WebSocket server error: ', error);
+
+    if (!this.mailSent) {
+      mailer.sendMail(`<p>Wystąpił błąd na serwerze WebSocket!<br><output>${JSON.stringify(error)}</output></p>`);
+      this.mailSent = true;
     }
+  }
 
-    ws._CLIENT_META_DATA = {
-      groupName /*, cookie*/,
-    };
+  static onWSError(event) {
+    console.error('WebSocket error event: ', event);
+
+    if (!event.errno) {
+      throw event;
+    }
   }
 
-  parseWSMessage(ws, event) {
+  static parseWSMessage(event, ws) {
     let parsedEvent = {};
 
     try {
@@ -60,25 +87,70 @@ class WebSocketServer {
 
     return parsedEvent;
   }
+}
+
+class WebSocketServer extends WebSocketServerCore {
+  constructor(httpServer) {
+    super(httpServer);
+    this.USER_ID_URL = `${config.protocol}://${config.host}:${config.port.q2a}/user-id`;
+    this.initWebSocketEvents([
+      {
+        eventName: 'connection',
+        listener: this.onWSSConnection.bind(this),
+      },
+    ]);
+    httpServer.attachSocketClientsNotifier(this.socketClientsNotifier.bind(this));
+  }
+
+  static assignWSClientToGroup(pathname, ws) {
+    if (!ws._CLIENT_META_DATA) {
+      throw ReferenceError(
+        'ws._CLIENT_META_DATA object does not exist! It should be declared inside WSS connection event listener.'
+      );
+    } else if (ws._CLIENT_META_DATA.groupName) {
+      throw Error(`ws._CLIENT_META_DATA.groupName with "${ws._CLIENT_META_DATA.groupName}" already exists!`);
+    }
+
+    const pathName = pathname.replace(/\//g, '');
+    const groupName = Object.keys(GROUP_REGEXPS).find((groupName) => GROUP_REGEXPS[groupName].test(pathName));
+
+    if (!groupName) {
+      console.error('ws unexpected groupName: ', groupName, ' from pathName: ', pathName);
+      ws.close(HTTP_STATUS_CODES.WS_CLOSE_ERROR_CODE, 'Unexpected pathname!');
+    }
+
+    ws._CLIENT_META_DATA.groupName = groupName;
+  }
 
-  getSessionCookie(reqHeaders) {
+  static getSessionCookie(reqHeaders) {
     const cookie = reqHeaders && reqHeaders.cookie;
 
     if (cookie) {
-      const sessionCookie = cookie.split(' ').find((c) => c.includes('qa_session'));
-
-      return sessionCookie ? sessionCookie.split('=')[1] : null;
+      const sessionCookie = cookie.split(' ').find((keyValuePair) => keyValuePair.split('=')[0] === 'qa_session');
+      return sessionCookie || null;
     }
 
     return null;
   }
 
+  getUserId(sessionCookie) {
+    return fetch(this.USER_ID_URL, {
+      headers: {
+        cookie: sessionCookie,
+        token: config.token,
+      },
+    })
+      .then((res) => res.text())
+      .then((userId) => Number(userId))
+      .catch(console.error);
+  }
+
   socketClientsNotifier(action, groupNames) {
     for (const wsClient of this.wss.clients) {
       console.log(
         '(socketClientsNotifier) groupNames:',
         groupNames,
-        ' /wsClient._CLIENT_META_DATA:',
+        '\n/wsClient._CLIENT_META_DATA:',
         wsClient._CLIENT_META_DATA
       );
 
@@ -88,56 +160,32 @@ class WebSocketServer {
     }
   }
 
-  onWSSError(error) {
-    console.error('WebSocket server error: ', error);
-
-    if (!this.mailSent) {
-      mailer.sendMail(`<p>Wystąpił błąd na serwerze WebSocket!<br><output>${JSON.stringify(error)}</output></p>`);
-      this.mailSent = true;
+  async onWSSConnection(ws, req) {
+    if (ws._CLIENT_META_DATA) {
+      throw ReferenceError(
+        'ws._CLIENT_META_DATA object should not exist at that moment! WebSocket client duplication might happened.'
+      );
+    } else {
+      ws._CLIENT_META_DATA = {};
     }
-  }
 
-  onWSSConnection(ws, req) {
-    console.log('WebSocket connected');
-    
-    const sessionCookie =this.getSessionCookie(req.headers)
-    console.log('sessionCookie:', sessionCookie);
-    
-    fetch(`${config.protocol}://${config.host}:${config.port.q2a}/user-id`/*'http://localhost:4080/user-id'*/, {
-      headers: {
-        cookie: `qa_session=${sessionCookie}`,
-        token: config.token,
-      }
-    })
-      .then(res => res.text())
-      .then(userId => console.log('userId:', Number(userId)))
-      .catch(console.error)
+    ws._CLIENT_META_DATA.sessionCookie = WebSocketServer.getSessionCookie(req.headers);
 
-    ws.on('error', this.onWSError.bind(this));
-    ws.on('message', (event) => this.onWSMessage(event, ws));
-  }
+    ws.on('error', WebSocketServerCore.onWSError);
+    ws.on('message', (event) => WebSocketServer.onWSMessage(event, ws));
 
-  onWSSClose(event) {
-    console.log('WebSocket server closed: ', event);
+    ws._CLIENT_META_DATA.userId = await this.getUserId(ws._CLIENT_META_DATA.sessionCookie);
   }
 
-  onWSMessage(event, ws) {
-    const parsedEvent = this.parseWSMessage(this, event);
+  static onWSMessage(event, ws) {
+    const parsedEvent = WebSocketServerCore.parseWSMessage(event, ws);
     console.log('parsedEvent:', parsedEvent);
 
     if (!parsedEvent) {
       return;
     }
 
-    this.assignWSClientToGroup(parsedEvent.pathname, ws);
-  }
-
-  onWSError(event) {
-    console.error('WebSocket error event: ', event);
-
-    if (!event.errno) {
-      throw event;
-    }
+    WebSocketServer.assignWSClientToGroup(parsedEvent.pathname, ws);
   }
 }
 

From f2f5e340449009a3e6a4346c19f19de3c52a6ac3 Mon Sep 17 00:00:00 2001
From: Krzysztof Pawelec <ScriptyChris@gmail.com>
Date: Wed, 21 Jul 2021 01:16:36 +0200
Subject: [PATCH 7/9] Improve group names regexes; Add counting socket clients
 per specific subpage;

---
 src/server/webSocket.js | 56 +++++++++++++++++++++++++++++++++++------
 src/vars.js             |  6 +++--
 2 files changed, 52 insertions(+), 10 deletions(-)

diff --git a/src/server/webSocket.js b/src/server/webSocket.js
index a726bf1..b5bf94a 100644
--- a/src/server/webSocket.js
+++ b/src/server/webSocket.js
@@ -92,7 +92,37 @@ class WebSocketServerCore {
 class WebSocketServer extends WebSocketServerCore {
   constructor(httpServer) {
     super(httpServer);
+
     this.USER_ID_URL = `${config.protocol}://${config.host}:${config.port.q2a}/user-id`;
+    this.SUBPAGE_VISITORS_AMOUNT_MAP = (() => {
+      // create pure object, without prototype
+      const visitorsMap = Object.create(null);
+
+      return {
+        incrementIfExists(subPageName) {
+          if (!(subPageName in visitorsMap)) {
+            visitorsMap[subPageName] = 0;
+          }
+
+          visitorsMap[subPageName]++;
+        },
+        decrementAndEventuallyRemove(subPageName) {
+          if (!(subPageName in visitorsMap) || visitorsMap[subPageName] === 0) {
+            throw Error(`
+              visitorsMap does not have property subPageName or it's value is 0!
+              visitorsMap entries: "${Object.entries(visitorsMap)}", subPageName: "${subPageName}"
+            `);
+          }
+
+          visitorsMap[subPageName]--;
+
+          if (visitorsMap[subPageName] === 0) {
+            delete visitorsMap[subPageName];
+          }
+        },
+      };
+    })();
+
     this.initWebSocketEvents([
       {
         eventName: 'connection',
@@ -102,24 +132,27 @@ class WebSocketServer extends WebSocketServerCore {
     httpServer.attachSocketClientsNotifier(this.socketClientsNotifier.bind(this));
   }
 
-  static assignWSClientToGroup(pathname, ws) {
+  assignWSClientToGroup(pathName, ws) {
     if (!ws._CLIENT_META_DATA) {
       throw ReferenceError(
         'ws._CLIENT_META_DATA object does not exist! It should be declared inside WSS connection event listener.'
       );
-    } else if (ws._CLIENT_META_DATA.groupName) {
+    } else if (ws._CLIENT_META_DATA.groupName || ws._CLIENT_META_DATA.subPage) {
       throw Error(`ws._CLIENT_META_DATA.groupName with "${ws._CLIENT_META_DATA.groupName}" already exists!`);
     }
 
-    const pathName = pathname.replace(/\//g, '');
     const groupName = Object.keys(GROUP_REGEXPS).find((groupName) => GROUP_REGEXPS[groupName].test(pathName));
 
     if (!groupName) {
       console.error('ws unexpected groupName: ', groupName, ' from pathName: ', pathName);
       ws.close(HTTP_STATUS_CODES.WS_CLOSE_ERROR_CODE, 'Unexpected pathname!');
+
+      return;
     }
 
     ws._CLIENT_META_DATA.groupName = groupName;
+    ws._CLIENT_META_DATA.subPage = pathName;
+    this.SUBPAGE_VISITORS_AMOUNT_MAP.incrementIfExists(pathName);
   }
 
   static getSessionCookie(reqHeaders) {
@@ -154,7 +187,7 @@ class WebSocketServer extends WebSocketServerCore {
         wsClient._CLIENT_META_DATA
       );
 
-      if (groupNames.includes(wsClient._CLIENT_META_DATA)) {
+      if (groupNames.includes(wsClient._CLIENT_META_DATA.groupName)) {
         wsClient.send(JSON.stringify({ action }));
       }
     }
@@ -172,20 +205,27 @@ class WebSocketServer extends WebSocketServerCore {
     ws._CLIENT_META_DATA.sessionCookie = WebSocketServer.getSessionCookie(req.headers);
 
     ws.on('error', WebSocketServerCore.onWSError);
-    ws.on('message', (event) => WebSocketServer.onWSMessage(event, ws));
+    ws.on('message', (event) => this.onWSMessage(event, ws));
+    ws.on('close', (event) => this.onWSClose(event, ws));
 
     ws._CLIENT_META_DATA.userId = await this.getUserId(ws._CLIENT_META_DATA.sessionCookie);
   }
 
-  static onWSMessage(event, ws) {
+  onWSMessage(event, ws) {
     const parsedEvent = WebSocketServerCore.parseWSMessage(event, ws);
-    console.log('parsedEvent:', parsedEvent);
+    console.log('(onWSMessage) parsedEvent:', parsedEvent);
 
     if (!parsedEvent) {
       return;
     }
 
-    WebSocketServer.assignWSClientToGroup(parsedEvent.pathname, ws);
+    this.assignWSClientToGroup(parsedEvent.pathname, ws);
+  }
+
+  onWSClose(event, ws) {
+    console.log('(onWSClose) event:', event, ' /ws._CLIENT_META_DATA:', ws._CLIENT_META_DATA);
+
+    this.SUBPAGE_VISITORS_AMOUNT_MAP.decrementAndEventuallyRemove(ws._CLIENT_META_DATA.subPage);
   }
 }
 
diff --git a/src/vars.js b/src/vars.js
index 34c36fe..b07d6bc 100644
--- a/src/vars.js
+++ b/src/vars.js
@@ -6,13 +6,15 @@ export const HTTP_STATUS_CODES = Object.freeze({
 });
 
 export const GROUP_REGEXPS = Object.freeze({
-  main: /^$|\/$/,
-  activity: /^(\/?)activity/,
+  main: /^\/?$/,
+  activity: /^\/?activity\/?$/,
+  topic: /^\/?\d+\/.*\/?$/,
 });
 
 export const GROUP_NAMES = Object.freeze({
   MAIN: 'main',
   ACTIVITY: 'activity',
+  TOPIC: 'topic',
 });
 
 export const ACTIONS = Object.freeze({

From 276975053643e4b9eec388138c4dadce53c4a952 Mon Sep 17 00:00:00 2001
From: Krzysztof Pawelec <ScriptyChris@gmail.com>
Date: Wed, 21 Jul 2021 21:30:05 +0200
Subject: [PATCH 8/9] Move matching socket's client group from HttpServer class
 to WebSocket class;

---
 src/server/http.js      | 16 +++-------------
 src/server/webSocket.js | 15 ++++++++++-----
 2 files changed, 13 insertions(+), 18 deletions(-)

diff --git a/src/server/http.js b/src/server/http.js
index 8285e63..ee3bf22 100644
--- a/src/server/http.js
+++ b/src/server/http.js
@@ -3,7 +3,7 @@ import https from 'https';
 import express from 'express';
 import bodyParser from 'body-parser';
 import config, { sslConfig } from '../config';
-import { HTTP_STATUS_CODES, GROUP_NAMES, ACTIONS } from '../vars';
+import { HTTP_STATUS_CODES } from '../vars';
 
 class HttpServerCore {
   constructor() {
@@ -91,20 +91,10 @@ class HttpServer extends HttpServerCore {
   }
 
   onPost(req, res) {
-    console.log('POST...', req.body);
+    console.log('(onPost) rq.body:', req.body);
 
     res.sendStatus(200);
-
-    const { action } = req.body;
-    const groupNames = [GROUP_NAMES.ACTIVITY];
-
-    console.log('(onPost) action:', action, '\n/groupNames:', groupNames, '\n/ACTIONS:', ACTIONS);
-
-    if (action === ACTIONS.ADD_POST) {
-      groupNames.push(GROUP_NAMES.MAIN);
-    }
-
-    this.socketClientsNotifier(action, groupNames);
+    this.socketClientsNotifier(req.body.action);
   }
 }
 
diff --git a/src/server/webSocket.js b/src/server/webSocket.js
index b5bf94a..0d3e299 100644
--- a/src/server/webSocket.js
+++ b/src/server/webSocket.js
@@ -1,11 +1,8 @@
 import WebSocket from 'ws';
 import fetch from 'node-fetch';
 import mailer from '../mailer';
-// eslint-disable-next-line import/no-namespace
-import * as VARS from '../vars';
 import config from '../config';
-
-const { HTTP_STATUS_CODES, GROUP_REGEXPS } = VARS;
+import { HTTP_STATUS_CODES, ACTIONS, GROUP_NAMES, GROUP_REGEXPS } from '../vars';
 
 class WebSocketServerCore {
   constructor(httpServer) {
@@ -178,7 +175,15 @@ class WebSocketServer extends WebSocketServerCore {
       .catch(console.error);
   }
 
-  socketClientsNotifier(action, groupNames) {
+  socketClientsNotifier(action) {
+    const groupNames = [GROUP_NAMES.ACTIVITY];
+
+    if (action === ACTIONS.ADD_POST) {
+      groupNames.push(GROUP_NAMES.MAIN);
+    }
+
+    console.log('(socketClientsNotifier) \n/groupNames:', groupNames, '\n/ACTIONS:', ACTIONS, '\n/action:', action);
+
     for (const wsClient of this.wss.clients) {
       console.log(
         '(socketClientsNotifier) groupNames:',

From 72c1c3db8fc005585248c3c92b8285c2e6aab454 Mon Sep 17 00:00:00 2001
From: Krzysztof Pawelec <ScriptyChris@gmail.com>
Date: Thu, 22 Jul 2021 13:45:12 +0200
Subject: [PATCH 9/9] Fix tests;

---
 src/server/http.js | 2 +-
 src/vars.js        | 2 +-
 test/index.js      | 4 +++-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/server/http.js b/src/server/http.js
index ee3bf22..5bd2b8f 100644
--- a/src/server/http.js
+++ b/src/server/http.js
@@ -93,7 +93,7 @@ class HttpServer extends HttpServerCore {
   onPost(req, res) {
     console.log('(onPost) rq.body:', req.body);
 
-    res.sendStatus(200);
+    res.sendStatus(HTTP_STATUS_CODES.OK);
     this.socketClientsNotifier(req.body.action);
   }
 }
diff --git a/src/vars.js b/src/vars.js
index b07d6bc..2294329 100644
--- a/src/vars.js
+++ b/src/vars.js
@@ -1,5 +1,5 @@
 export const HTTP_STATUS_CODES = Object.freeze({
-  OK: 20,
+  OK: 200,
   FORBIDDEN: 403,
   METHOD_NOT_ALLOWED: 405,
   WS_CLOSE_ERROR_CODE: 4000,
diff --git a/test/index.js b/test/index.js
index b15f339..5e4d8d4 100644
--- a/test/index.js
+++ b/test/index.js
@@ -3,6 +3,7 @@ import chaiHttp from 'chai-http';
 import config from '../src/config';
 import WebSocket from 'ws';
 import { minify } from 'html-minifier';
+import { HTTP_STATUS_CODES } from '../src/vars';
 import '../dist/index.js';
 
 chai.use(chaiHttp);
@@ -21,6 +22,7 @@ const { beforeEachCb, afterEachCb, getWsClient } = (() => {
 
     wsClient.on('error', (e) => console.log('errored! ', e));
     wsClient.on('open', () => {
+      wsClient.send(JSON.stringify({ pathname: '/' }));
       done();
     });
   }
@@ -49,7 +51,7 @@ describe('HTTP Server', () => {
       .post('/')
       .set({ token })
       .end((err, res) => {
-        expect(res).to.have.status(200);
+        expect(res).to.have.status(HTTP_STATUS_CODES.OK);
         done();
       });
   });