add exceljs for xlsx file gen
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main.js
137
main.js
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@ -6,7 +6,8 @@ const config = require("./config/db.config.js");
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const session = require('express-session');
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const bcrypt = require('bcrypt');
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const signupRouter = require('./signup'); // Adjust path as necessary
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const ExcelJS = require('exceljs');
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const cors = require('cors');
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const PORT = process.env.PORT || 8080; // Default port is 5000
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@ -33,11 +34,13 @@ const pool = mysql.createPool({
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});
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const app = express();
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app.use(cors()); // Enable CORS for all origins
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// app.use(cors({
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// origin: '[ http://192.168.1.6:8081 , http://localhost:8081 ]'
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// }));
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app.set('view engine', 'ejs');
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app.set('views', path.join(__dirname, 'views'));
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@ -54,6 +57,19 @@ app.use(express.static(path.join(__dirname, 'static')));
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app.use(signupRouter);
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app.get('/x', function (request, response) {
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if (request.session.loggedin) {
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// Output username
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// response.send('Welcome back, ' + request.session.username + '!');
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console.log(request.session.username, 'open main page');
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// Render home page with username
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response.render('home', { username: request.session.username });
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} else {
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// response.send('Please login to view this page!');
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response.redirect('/login');
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}
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});
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app.get('/login', function (request, response) {
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/// Render login template with any message from query parameters
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console.log('Message:', request.query.message); // Log the message
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@ -64,6 +80,7 @@ app.get('/login', function (request, response) {
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});
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app.post('/auth', async function (request, response) {
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// Capture the input fields
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const { login, password } = request.body;
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@ -151,37 +168,99 @@ app.get('/logout', function (request, response) {
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});
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});
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// Serve the signup form
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app.get('/signup', function (request, response) {
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// Check if signup is enabled
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if (!config.enableSignup) {
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return response.status(403).send(`
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Signup Disabled</title>
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<style>
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body { font-family: Arial, sans-serif; text-align: center; margin-top: 50px; }
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h1 { color: red; }
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button { padding: 10px 20px; font-size: 16px; }
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</style>
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</head>
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<body>
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<h1>Signup is currently disabled.</h1>
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<p>Please contact the adminstrator for assistance.</p>
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<button onclick="window.location.href='/'">Back to < POS Diagnostic Assist > </button>
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</body>
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</html>
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`);
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}
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// Check if signup is enabled
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if (!config.enableSignup) {
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return response.status(403).send(`
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Signup Disabled</title>
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<style>
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body { font-family: Arial, sans-serif; text-align: center; margin-top: 50px; }
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h1 { color: red; }
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button { padding: 10px 20px; font-size: 16px; }
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</style>
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</head>
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<body>
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<h1>Signup is currently disabled.</h1>
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<p>Please contact the adminstrator for assistance.</p>
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<button onclick="window.location.href='/'">Back to < POS Diagnostic Assist > </button>
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</body>
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</html>
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`);
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}
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response.render('signup', { message: request.query.message || '' });
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response.render('signup', { message: request.query.message || '' });
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});
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app.get('/download', async (req, res) => {
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const filename = req.query.filename || 'default.xlsx'; // Get filename from query parameter
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console.log('got the filename', filename);
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const workbook = new ExcelJS.Workbook();
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const worksheet = workbook.addWorksheet('Sheet1');
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// Set column widths
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worksheet.columns = [
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{ width: 9 },
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{ width: 16 },
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{ width: 42 },
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{ width: 94 }
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];
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// Add header row
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const headerRow = worksheet.addRow(['Модель', 'Сер.номер', 'Заявленная неисправность', 'Произведенная работа']);
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// Define border style
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const thinBlackBorder = {
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top: { style: 'thin', color: { argb: 'FF000000' } },
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left: { style: 'thin', color: { argb: 'FF000000' } },
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bottom: { style: 'thin', color: { argb: 'FF000000' } },
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right: { style: 'thin', color: { argb: 'FF000000' } }
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};
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// Style the header row
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headerRow.eachCell({ includeEmpty: true }, (cell, colNumber) => {
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cell.fill = {
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type: 'pattern',
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pattern: 'solid',
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fgColor: { argb: '92D050' }
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};
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cell.font = {
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name: 'Calibri',
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size: 11,
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color: { argb: '000000' },
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bold: false
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};
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cell.alignment = { vertical: 'middle', horizontal: 'center' };
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cell.border = thinBlackBorder;
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});
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// Style the rest of the cells with border
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worksheet.eachRow({ includeEmpty: true }, (row) => {
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row.eachCell({ includeEmpty: true }, (cell) => {
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if (!cell.border) { // Apply border only if not already defined
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cell.border = thinBlackBorder;
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}
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});
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});
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// Generate buffer from workbook
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const buffer = await workbook.xlsx.writeBuffer();
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// Set headers and send file
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res.setHeader('Content-Disposition', `attachment; filename*=UTF-8''${encodeURIComponent(filename)}.xlsx`);
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res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
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res.send(buffer);
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});
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app.listen(PORT, () => {
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console.info(`Listening on http://0.0.0.0:${PORT}/`);
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});
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