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mccs-it/thermal/modules/Thermal.js

@@ -42,6 +42,28 @@ module.exports = {
 			
 			// Send the PDF file as the response
 			res.end(pdfData);
+			
+			// Print the PDF using lp command
+			const printer = spawn('lp', ['-d', 'ITThermal']); // Replace 'printer_name' with your actual printer name
+			
+			// Handle error if the printing process fails
+			printer.on('error', (err) => {
+				console.error('Failed to start printing process:', err);
+				res.status(500).send('Failed to start printing process');
+			});
+			
+			// Pipe the PDF data to the printer
+			printer.stdin.write(pdfData);
+			printer.stdin.end();
+			
+			// Handle the process exit event
+			printer.on('close', (code) => {
+				if (code === 0) {
+					res.send('PDF sent to printer successfully.');
+				} else {
+					res.status(500).send('Failed to print PDF');
+				}
+			});
 		});
 		
 		// Add content (image, text) to the PDF