first commit

.env.example

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+APP_PORT=0
+
+DB_HOST=
+DB_USER=
+DB_PASSWORD=
+DB_NAME=
+DB_PORT=

.gitignore

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+# ignore visual studio code
+/.vs/
+
+# dotenv environment variable files
+.env
+.env.*
+!.env.example
+
+# Dependency directories
+node_modules/

README.md

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+# INVESA-NODE
+
+Aplikasi INVESA Service
+
+## Deskripsi
+
+Aplikasi basis NodeJS untuk Web Aplikasi INVESA, pengontrol supervisi dan lalu lintas data monitor pada display depan kasir.
+
+## Install
+
+```
+$ git clone https://git.trifonia.cloud/CMASA-MEMPAWAH/invesa-node.git
+$ cd invesa-node
+$ npm install
+```
+
+## Penggunaan
+
+Jalankan service dengan perintah :
+
+```$ npm start```
+
+## Authors
+
+Developer dan programmer
+
+[@siaupheng](mailto:[email protected])
+
+## Version History
+
+* 1.0
+    * Initial Release
+
+## License
+
+This project is licensed.

index.js

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+const express = require('express');
+const { createServer } = require('node:http');
+const { join } = require('node:path');
+const { Server } = require('socket.io');
+const mysql = require('mysql2/promise');
+const dotenv = require('@dotenvx/dotenvx');
+const { PoolConnection } = require('mysql2');
+
+const app = express();
+const server = createServer(app);
+const io = new Server(server, { 'path': '/io' });
+
+dotenv.config();
+
+const db = mysql.createPool({
+    host: process.env.DB_HOST || '127.0.0.1',
+    user: process.env.DB_USER || 'mariadb',
+    password: process.env.DB_PASSWORD || '',
+    database: process.env.DB_NAME || '',
+    port: process.env.DB_PORT || 3306,
+});
+
+const app_port = process.env.APP_PORT || 3000;
+
+io.on('connection', (socket) => {
+    let pollPPOB = null;
+    let pollSuper = null;
+    let pollMonitor = null;
+    // get ip address
+    const forwardedIp = socket.handshake.headers["x-forwarded-for"];
+    //const cloudflareIp = socket.handshake.headers["cf-connecting-ip"];
+    const clientIp = forwardedIp ? forwardedIp.split(',')[0] : socket.handshake.address;    
+    //console.log("Real Client IP:", clientIp);
+
+    // PPOB
+    socket.on('ppob-check', (ajson) => {
+        if (!ajson || typeof ajson !== 'object') return socket.emit('ppob-error', { 'message': 'Invalid payload format' });
+        const { CabID, UserID } = ajson;
+        if (!CabID || !UserID) return socket.emit('ppob-error', { 'message': 'Missing required CabID and UserID' });
+
+        if (pollPPOB) clearInterval(pollPPOB);
+        pollPPOB = setInterval(async () => {
+            try {
+                const [rows, fields] = await db.query("SELECT No_TX,Status FROM ppob_tx WHERE No_TX IN (SELECT No_TX FROM ppob_pend WHERE CabID=? AND UserID=?)", [ CabID, UserID ]);
+                socket.emit('ppob-data', { 'prabayar': rows });
+            } catch (error) {
+                console.error("db query failed :", error);
+            }
+        }, 1500);
+    });
+    socket.on('ppob-update', (ajson) => {
+        if (!ajson || typeof ajson !== 'object') return socket.emit('ppob-error', { 'message': 'Invalid payload format' });
+        const { CabID, UserID } = ajson;
+        if (!CabID || !UserID) return socket.emit('ppob-error', { 'message': 'Missing required CabID and UserID' });
+        try {
+            db.execute("DELETE FROM ppob_pend WHERE Status=4 AND CabID=? AND UserID=?", [ CabID, UserID ]);
+        } catch (error) {
+            console.error("db execute failed :", error);
+        }
+    });
+    socket.on('ppob-done', () => {
+        if (pollPPOB) clearInterval(pollPPOB);
+        pollPPOB = null;
+    });
+
+    // SUPERVISI
+    socket.on('super-check', (ajson) => {
+        if (pollSuper) return;
+        pollSuper = setInterval(async () => {
+            try {
+                const [rows, fields] = await db.query({sql: "SELECT A.AuthID,O.Nama Nama_User,A.Tanggal,M.Judul,A.Catatan,A.REQ,'<a class=\"table-icon unlock2\" title=\"Proses\"><i class=\"bi-unlock2\"></i></a>' Aksi FROM (SELECT AuthID,UserID,Kode,DATE_FORMAT(Tanggal,'%d-%m-%Y %H:%i:%s') Tanggal,REQ,Catatan FROM app_auth WHERE Auth=0) A LEFT JOIN app_operator O ON (A.UserID=O.UserID) LEFT JOIN app_menu M ON (A.Kode=M.Kode)", rowsAsArray: true});
+                socket.emit('super-data', { 'data': rows });
+            } catch (error) {
+                console.error("db query failed :", error);
+            }
+        }, 1500);
+    });
+    socket.on('super-done', () => {
+        if (pollSuper) clearInterval(pollSuper);
+        pollSuper = null;
+    });
+
+    // MONITOR
+    socket.on('monitor-check', (ajson) => {
+        if (!ajson || typeof ajson !== 'object') return socket.emit('monitor-error', { 'message': 'Invalid payload format' });
+        const { CabID, UserID } = ajson;
+        if (pollMonitor) return;
+        pollMonitor = setInterval(async () => {
+            try {
+                const adata = { 'total': 0, 'thank': 0 };
+                const [row_pos, fields_pos] = await db.query("SELECT * FROM disp_login WHERE CabID=? AND IP=? ORDER BY Date DESC", [ CabID, clientIp ]);
+                if (row_pos.length) {
+                    const [row_total, fields_total] = await db.query("SELECT SUM(-Qty*(Harga_Jual-Disk_Rupiah)) Total FROM tmp_inv_detail WHERE No_Ref=? AND Unix=?", [ row_pos[0].No_Pos, row_pos[0].Unix ]);
+                    const [row_thank, fields_thank] = await db.query("SELECT IF(No_Cetak='',0,1) Ada FROM disp_login WHERE CabID=? AND UserID=? AND Unix=?", [ CabID, row_pos[0].UserID, row_pos[0].Unix ]);
+                    if (row_total.length) adata.total = row_total[0].Total || 0;
+                    if (row_thank.length) adata.thank = row_thank[0].Ada || 0;
+                }
+                socket.emit('monitor-data', { 'data': adata });
+            } catch (error) {
+                console.error("db query failed :", error);
+            }
+        }, 1500);
+    });
+    socket.on('monitor-done', () => {
+        if (pollMonitor) clearInterval(pollMonitor);
+        pollMonitor = null;
+    });
+
+    // DISCONNECT
+    socket.on('disconnect', () => {
+        if (pollPPOB) clearInterval(pollPPOB);
+        if (pollSuper) clearInterval(pollSuper);
+        if (pollMonitor) clearInterval(pollMonitor);
+    });
+});
+
+app.get('/', (req, res) => {
+    res.sendFile(join(__dirname, 'public', 'index.html'));
+});
+app.use(express.static('public'));
+
+server.listen(app_port, () => {
+    console.log('Server running at http://localhost:' + app_port);
+});

package.json

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+{
+  "name": "invesa-node",
+  "version": "0.0.1",
+  "description": "service apps for invesa",
+  "dependencies": {
+    "@dotenvx/dotenvx": "^1.69.1",
+    "express": "^4.22.2",
+    "mysql2": "^3.22.4",
+    "socket.io": "^4.8.3"
+  },
+  "devDependencies": {
+    "nodemon": "^3.1.14"
+  }
+}

public/index.html

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+<!DOCTYPE html>
+<html>
+  <head>
+    <title>Socket.IO for INVESA</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+    <meta name="author" content="Siau Pheng <siaupheng[at]3fonia.com>">
+    <meta name="description" content="Socket.IO for Invesa v1.0.0, 3fonia Software">
+    <meta name="viewport" content="width=device-width,initial-scale=1.0">
+    <style>
+    body {
+        margin: 200px 0 0 0;
+        padding: 0;
+        width: 100%;
+        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
+        text-align: center;
+        color: #aaa;
+        font-size: 13pt;
+    }
+    h1 {
+        color: #719e40;
+        letter-spacing: -4px;
+        font-family: 'Lato', sans-serif;
+        font-size: 50pt;
+        font-weight: 300;
+        margin: 0;
+    }
+    </style>
+  </head>
+  <body>
+    <img src="/images/logo300.png">
+    <h1>INVESA Socket.IO</h1>
+    <div>power by 3fonia Software, a web-base software house</div>
+  </body>
+</html>