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@ -7,10 +7,17 @@ const port = 3000;
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// Middleware to serve static files (HTML)
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app.use(express.static('public'));
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// Middleware to parse JSON request bodies
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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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try {
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Thermal.generateFile('Grant.Aiden2', '5012345', req, res);
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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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} 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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@ -3,30 +3,48 @@
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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>Test Print</title>
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<style>
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#pdfViewer {
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width: 100%;
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height: 600px; /* Adjust as needed */
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border: none;
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}
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</style>
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<title>Thermal Printer Test</title>
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</head>
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<body>
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<h1>Thermal Printer Test</h1>
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<button id="testPrintBtn">Test Print</button>
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<iframe id="pdfViewer" style="display:none;"></iframe>
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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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<label for="studentId">Student ID:</label>
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<input type="text" id="studentId" name="studentId" required><br><br>
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<button type="submit">Test Print</button>
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</form>
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<script>
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document.getElementById('testPrintBtn').addEventListener('click', () => {
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fetch('/test-print', { method: 'POST' })
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.then(response => response.blob())
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.then(blob => {
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const url = URL.createObjectURL(blob);
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const pdfViewer = document.getElementById('pdfViewer');
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pdfViewer.src = url;
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pdfViewer.style.display = 'block'; // Show the iframe
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document.getElementById('printForm').addEventListener('submit', (event) => {
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event.preventDefault(); // Prevent the form from submitting normally
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// Get the form data
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const formData = new FormData(event.target);
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const username = formData.get('username');
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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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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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},
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body: JSON.stringify({
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username: username,
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studentId: studentId,
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}),
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})
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.then(response => {
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if (response.ok) {
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return response.text(); // or .json() if your server returns JSON
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} else {
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throw new Error('Failed to send print request');
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}
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})
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.then(message => alert(message))
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.catch(error => alert('Error: ' + error));
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});
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</script>
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