84 lines
2.8 KiB
JavaScript
84 lines
2.8 KiB
JavaScript
// server.js
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const express = require('express');
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const multer = require('multer');
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const Docxtemplater = require('docxtemplater');
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const PizZip = require('pizzip');
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const app = express();
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// Configure multer to accept any field
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const upload = multer({
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storage: multer.memoryStorage(),
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}).any();
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app.use(express.json());
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app.post('/process-template', (req, res) => {
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upload(req, res, function(err) {
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if (err instanceof multer.MulterError) {
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console.error('Multer error:', err);
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return res.status(400).json({ error: 'File upload error', details: err.message });
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} else if (err) {
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console.error('Unknown error:', err);
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return res.status(500).json({ error: 'Unknown error', details: err.message });
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}
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// Log incoming request details
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console.log('Files received:', req.files);
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console.log('Body received:', req.body);
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try {
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// Find the template file from the uploaded files
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const templateFile = req.files?.find(file => file.fieldname === 'template');
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const templateData = req.body?.data ? JSON.parse(req.body.data) : null;
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console.log(templateData)
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if (!templateFile || !templateData) {
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return res.status(400).json({
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error: 'Missing required fields',
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received: {
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templateFile: !!templateFile,
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templateData: !!templateData
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}
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});
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}
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// Get the template file buffer
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const content = templateFile.buffer;
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// Create a new PizZip instance with the template content
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const zip = new PizZip(content);
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// Create the template processor
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const doc = new Docxtemplater(zip, {
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paragraphLoop: true,
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linebreaks: true,
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});
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// Render the document with the provided data
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doc.render(templateData);
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// Generate the document as a buffer
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const buffer = doc.getZip().generate({
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type: 'nodebuffer',
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compression: 'DEFLATE',
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});
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// Set response headers for file download
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res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document');
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res.setHeader('Content-Disposition', 'attachment; filename=generated-document.docx');
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// Send the generated document
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res.send(buffer);
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} catch (error) {
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console.error('Processing error:', error);
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res.status(500).json({ error: 'Processing error', details: error.message });
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}
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});
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});
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const PORT = process.env.PORT || 3000;
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app.listen(PORT, () => {
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console.log(`Server is running on port ${PORT}`);
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});
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