MVP
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@ -11,13 +11,13 @@ app.use(express.static('public'));
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app.use(express.json());
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// Test print function
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app.post('/test-print', async (req, res) => {
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app.post('/print', async (req, res) => {
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try {
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const { username, studentId } = req.body;
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if (!username || !studentId) {
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return res.status(400).json({ message: 'Username and Student ID are required.' });
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}
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await Thermal.generateFile(username, studentId, req, res);
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await Thermal.printCredentials(username, studentId, req, res);
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} catch (error) {
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console.error('Print Error:', error);
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res.status(500).json({ message: 'Print Error', error: error.message });
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@ -4,7 +4,7 @@ const { spawn } = require('child_process');
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const path = require('path');
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module.exports = {
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generateFile(username, studentId, req, res) {
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printCredentials(username, studentId, req, res) {
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// Create the output text
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const infoArray = [
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'Username:',
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@ -3,19 +3,38 @@
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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>Thermal Printer Test</title>
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<title>Credential Printer</title>
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<script src="https://cdn.tailwindcss.com"></script>
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</head>
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<body>
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<h1>Thermal Printer Test</h1>
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<form id="printForm">
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<label for="username">Username:</label>
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<input type="text" id="username" name="username" required><br><br>
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<body class="bg-gray-100 font-sans leading-normal tracking-normal">
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<div class="max-w-lg mx-auto mt-10 bg-white p-8 rounded-lg shadow-lg">
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<h1 class="text-2xl font-bold text-center mb-4 text-gray-700">ITS Credential Printer</h1>
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<p class="text-center text-gray-600 mb-6">
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Provide the username and student ID in the fields below, then click the Print button.
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A pre-formatted receipt will print with the information from the thermal printer.
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</p>
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<label for="studentId">Student ID:</label>
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<input type="text" id="studentId" name="studentId" required><br><br>
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<form id="printForm" class="space-y-4">
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<div>
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<label for="username" class="block text-sm font-medium text-gray-700">Username:</label>
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<input type="text" id="username" name="username" required
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class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm">
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</div>
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<button type="submit">Test Print</button>
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</form>
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<div>
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<label for="studentId" class="block text-sm font-medium text-gray-700">Student ID:</label>
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<input type="text" id="studentId" name="studentId" required
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class="mt-1 block w-full px-3 py-2 border border-gray-300 rounded-md shadow-sm focus:outline-none focus:ring-indigo-500 focus:border-indigo-500 sm:text-sm">
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</div>
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<div class="text-center">
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<button type="submit"
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class="w-full bg-indigo-600 text-white py-2 px-4 rounded-md hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:ring-opacity-50">
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Print
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</button>
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</div>
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</form>
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</div>
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<script>
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document.getElementById('printForm').addEventListener('submit', (event) => {
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@ -27,7 +46,7 @@
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const studentId = formData.get('studentId');
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// Send a POST request with the form data to the server
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fetch('/test-print', {
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fetch('/print', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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