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mccs-it/thermal/modules/Thermal.js

@@ -19,37 +19,50 @@ module.exports = {
 			'For further assistance contact ithelp@mainecc.edu'
 		];
 		const infoString = infoArray.join('\n');
-        // Create a new PDF document
+		// Create a new PDF document in-memory
-        const doc = new PDFDocument();
+		const doc = new PDFDocument({
+			size: [204, 1000],
+			margin: 0
+		});
 		
-        // Create a print process (e.g., using `lp` to print the PDF directly)
+		// Store the PDF in a buffer
-        const printer = spawn('lp', ['-d', 'ITThermal']); // Replace 'printer_name' with your actual printer
+		let buffers = [];
+		doc.on('data', buffers.push.bind(buffers));
+		doc.on('end', () => {
+			// Combine all the chunks into a single buffer
+			const pdfData = Buffer.concat(buffers);
 			
-        // Pipe the PDF document output to the printing process
+			// Set the response headers to serve the PDF file
-        doc.pipe(printer.stdin);
+			res.writeHead(200, {
+				'Content-Type': 'application/pdf',
+				'Content-Disposition': 'inline; filename="output.pdf"', // Or 'attachment' for download
+				'Content-Length': pdfData.length,
+			});
 			
-        // Add image and text to the PDF
+			// Send the PDF file as the response
+			res.end(pdfData);
+		});
+		
+		// Add content (image, text) to the PDF
 		doc.image('./public/itslogo.jpg', {
 			fit: [576, 261],
 			align: 'center',
-        valign: 'top'
+			valign: 'top',
 		});
 		
+		doc.moveDown();
+		doc.moveDown();
+		doc.moveDown();
+		doc.moveDown();
 		doc.moveDown();
 		doc.fontSize(16).text(infoString, {
-        align: 'left'
+			align: 'left',
 		});
 		
-        // Finalize the PDF and close the stream
+		// Finalize the PDF
 		doc.end();
+	},
+	generatePdf() {
 		
-        // Listen for the print process to finish
-        printer.on('close', (code) => {
-        if (code === 0) {
-            console.log('Printed successfully');
-        } else {
-            console.error('Failed to print');
-        }
-        });
 	}
 }