add shipping label generation and email functionality

This commit is contained in:
Alaguraj0361 2026-06-03 17:03:17 +05:30
parent a6e413a593
commit a15558d565
5 changed files with 400 additions and 21 deletions

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@ -7,9 +7,10 @@ const path = require('path');
* Sends a premium custom email with the PDF attachment.
* @param {string} toEmail - The recipient's email address
* @param {Object} orderData - The Shopify order payload
* @param {Buffer} pdfBuffer - The PDF data buffer
* @param {Buffer} pdfBuffer - The invoice PDF data buffer
* @param {Buffer} [shippingLabelBuffer] - Optional shipping label PDF buffer
*/
const sendEmailWithAttachment = async (toEmail, orderData, pdfBuffer) => {
const sendEmailWithAttachment = async (toEmail, orderData, pdfBuffer, shippingLabelBuffer = null) => {
const transporter = nodemailer.createTransport({
host: process.env.SMTP_HOST,
port: Number(process.env.SMTP_PORT) || 465,
@ -209,8 +210,8 @@ const sendEmailWithAttachment = async (toEmail, orderData, pdfBuffer) => {
</html>
`;
// Build attachments array - always include PDF, add logo as CID inline if it exists
const attachments = [
// --- Customer attachments: Invoice PDF only ---
const customerAttachments = [
{
filename: `Invoice_${orderNumber}.pdf`,
content: pdfBuffer,
@ -219,26 +220,65 @@ const sendEmailWithAttachment = async (toEmail, orderData, pdfBuffer) => {
];
if (logoExists) {
attachments.push({
customerAttachments.push({
filename: 'logo.png',
path: localLogoPath,
cid: 'store_logo' // Referenced in HTML as src="cid:store_logo"
cid: 'store_logo'
});
}
const mailOptions = {
// --- Seller attachments: Invoice PDF + Shipping Label PDF ---
const sellerAttachments = [
{
filename: `Invoice_${orderNumber}.pdf`,
content: pdfBuffer,
contentType: 'application/pdf'
}
];
if (shippingLabelBuffer) {
sellerAttachments.push({
filename: `ShippingLabel_${orderNumber}.pdf`,
content: shippingLabelBuffer,
contentType: 'application/pdf'
});
}
if (logoExists) {
sellerAttachments.push({
filename: 'logo.png',
path: localLogoPath,
cid: 'store_logo'
});
}
try {
// 1. Send to customer (Invoice only)
const customerMail = await transporter.sendMail({
from: `"${process.env.SHOP_NAME || 'Your Store'}" <${process.env.SMTP_FROM_EMAIL}>`,
to: toEmail,
subject: `Invoice for your order #${orderNumber}`,
text: `Thank you for your order! Attached is the invoice for order #${orderNumber}.`,
html: htmlTemplate,
attachments
};
attachments: customerAttachments
});
console.log(`Customer email sent: ${customerMail.messageId}`);
try {
const info = await transporter.sendMail(mailOptions);
console.log(`Email sent: ${info.messageId}`);
return info;
// 2. Send to seller (Invoice + Shipping Label)
const sellerEmail = process.env.SELLER_EMAIL;
if (sellerEmail) {
const sellerMail = await transporter.sendMail({
from: `"${process.env.SHOP_NAME || 'Your Store'}" <${process.env.SMTP_FROM_EMAIL}>`,
to: sellerEmail,
subject: `[NEW ORDER] #${orderNumber} - Invoice & Shipping Label`,
text: `New order #${orderNumber} received. Invoice and Shipping Label attached.`,
html: htmlTemplate,
attachments: sellerAttachments
});
console.log(`Seller email sent: ${sellerMail.messageId}`);
}
return customerMail;
} catch (error) {
console.error('Error sending email:', error);
throw error;

80
send-label-test.js Normal file
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@ -0,0 +1,80 @@
require('dotenv').config({ override: true });
const nodemailer = require('nodemailer');
const { generateShippingLabelPDF } = require('./shippingLabelGenerator');
async function sendTestShippingLabelEmail() {
try {
console.log('Generating dummy Shipping Label...');
const dummyOrder = {
name: '#9999',
order_number: 9999,
created_at: new Date().toISOString(),
currency: 'INR',
subtotal_price: '660.00',
total_tax: '0.00',
total_price: '660.00',
gateway: 'Request Quote',
shipping_lines: [{ title: 'Delhivery Courier' }],
billing_address: {
first_name: 'Alagu', last_name: 'Raj',
address1: 'South Street', address2: 'Near Temple',
city: 'Tuticorin', province: 'Tamil Nadu', zip: '628304',
country: 'India', phone: '7871207631'
},
shipping_address: {
first_name: 'Alagu', last_name: 'Raj',
address1: 'South Street', address2: 'Near Temple',
city: 'Tuticorin', province: 'Tamil Nadu', zip: '628304',
country: 'India', phone: '7871207631'
},
email: process.env.SMTP_USER,
line_items: [
{ name: 'Flat Bangle 4 Cut - Each Box', quantity: 1, price: '130.00', image_url: 'https://picsum.photos/200' },
{ name: 'Glue Stick pencil - 1 piece', quantity: 3, price: '35.00', image_url: 'https://picsum.photos/200' },
{ name: 'E-8000 - 50ML - 1 Piece', quantity: 2, price: '60.00', image_url: 'https://picsum.photos/200' }
]
};
const shippingLabelBuffer = await generateShippingLabelPDF(dummyOrder);
console.log('Shipping Label PDF generated successfully.');
const fs = require('fs');
fs.writeFileSync('shipping-label-test.pdf', shippingLabelBuffer);
console.log('Saved shipping-label-test.pdf to disk.');
const transporter = nodemailer.createTransport({
host: process.env.SMTP_HOST,
port: Number(process.env.SMTP_PORT) || 465,
secure: process.env.SMTP_SECURE === 'true',
auth: {
user: process.env.SMTP_USER,
pass: process.env.SMTP_PASS,
},
tls: {
rejectUnauthorized: false
}
});
const targetEmail = process.env.SMTP_USER;
console.log(`Sending email with shipping label attached to ${targetEmail}...`);
const mailInfo = await transporter.sendMail({
from: `"${process.env.SHOP_NAME || 'Your Store'}" <${process.env.SMTP_FROM_EMAIL}>`,
to: targetEmail,
subject: `Test Shipping Label - Order #9999`,
text: `Hello, this is a test email with the generated Shipping Label PDF attached.`,
attachments: [
{
filename: `ShippingLabel_9999.pdf`,
content: shippingLabelBuffer,
contentType: 'application/pdf'
}
]
});
console.log(`Success! Test email sent: ${mailInfo.messageId}`);
} catch (error) {
console.error('Error sending test shipping label email:', error);
}
}
sendTestShippingLabelEmail();

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@ -3,6 +3,7 @@ const express = require('express');
const cors = require('cors');
const crypto = require('crypto');
const { generateInvoicePDF } = require('./pdfGenerator');
const { generateShippingLabelPDF } = require('./shippingLabelGenerator');
const { sendEmailWithAttachment } = require('./mailer');
const app = express();
@ -105,10 +106,13 @@ app.post('/webhooks/orders/create', verifyShopifyWebhook, async (req, res) => {
}));
}
// 1. Generate the PDF invoice
const pdfBuffer = await generateInvoicePDF(orderData);
// 1. Generate the PDF invoice and shipping label in parallel
const [pdfBuffer, shippingLabelBuffer] = await Promise.all([
generateInvoicePDF(orderData),
generateShippingLabelPDF(orderData)
]);
// 2. Send the email with the attached PDF
// 2. Send the email with the attached PDFs
const customerEmail = orderData.email || orderData.contact_email;
if (!customerEmail) {
const errorMsg = `[${new Date().toISOString()}] Order ${orderData.order_number} has no email address associated.\n`;
@ -119,7 +123,8 @@ app.post('/webhooks/orders/create', verifyShopifyWebhook, async (req, res) => {
await sendEmailWithAttachment(
customerEmail,
orderData,
pdfBuffer
pdfBuffer,
shippingLabelBuffer
);
const successMsg = `[${new Date().toISOString()}] Successfully processed and sent email for Order ${orderData.order_number}\n`;

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shipping-label-test.pdf Normal file

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254
shippingLabelGenerator.js Normal file
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@ -0,0 +1,254 @@
const PDFDocument = require('pdfkit');
const fs = require('fs');
const path = require('path');
/**
* Helper to draw a clean, structured mock barcode
*/
function drawBarcode(doc, x, y, width, height, text) {
doc.save();
let currentX = x;
const endX = x + width;
// Draw barcode bars
while (currentX < endX) {
// Vary the bar width and spacing to make it look like a real barcode
const isWide = Math.random() > 0.6;
const lineWidth = isWide ? 2.2 : 0.9;
const spacing = Math.random() > 0.4 ? 1.5 : 2.5;
if (currentX + lineWidth > endX) break;
doc.rect(currentX, y, lineWidth, height - 16).fill('#000000');
currentX += lineWidth + spacing;
}
// Barcode number text below bars (with extra vertical gap and letter spacing)
doc.fontSize(8.5)
.font('Helvetica-Bold')
.fillColor('#000000')
.text(text, x, y + height - 11, { width: width, align: 'center', characterSpacing: 1.5 });
doc.restore();
}
/**
* Helper to adjust order number using ORDER_NUMBER_OFFSET
*/
const getAdjustedOrderNumber = (orderNumberOrName) => {
if (!orderNumberOrName) return '';
const offset = parseInt(process.env.ORDER_NUMBER_OFFSET, 10) || 0;
const str = orderNumberOrName.toString();
const matches = str.match(/\d+/);
if (!matches) return str;
const num = parseInt(matches[0], 10);
return (num + offset).toString();
};
/**
* Generates a professional 4x6 inch shipping label PDF.
* @param {Object} orderData - The Shopify order payload
* @returns {Promise<Buffer>} - A promise that resolves to a Buffer containing the PDF data
*/
const generateShippingLabelPDF = async (orderData) => {
return new Promise(async (resolve, reject) => {
try {
// 4x6 inch = 288 x 432 points (1 inch = 72 points)
const doc = new PDFDocument({
margin: 0,
size: [288, 432]
});
let buffers = [];
doc.on('data', buffers.push.bind(buffers));
doc.on('end', () => resolve(Buffer.concat(buffers)));
const W = 288;
const H = 432;
const PAD = 16;
// --- BACKGROUND ---
doc.rect(0, 0, W, H).fill('#ffffff');
// --- OUTER BORDER (Thicker, professional frame) ---
doc.rect(6, 6, W - 12, H - 12)
.lineWidth(2)
.strokeColor('#1e293b')
.stroke();
// ============================================================
// SECTION 1: HEADER STRIP (FROM shop info)
// ============================================================
const headerY = 6;
const headerH = 58;
doc.rect(6, headerY, W - 12, headerH).fill('#1e293b');
// Load local logo if it exists
const localLogoPath = path.join(__dirname, 'logo.png');
let logoLoaded = false;
if (fs.existsSync(localLogoPath)) {
try {
doc.image(localLogoPath, PAD, headerY + 9, { height: 40 });
logoLoaded = true;
} catch (e) { /* silent fail */ }
}
// Shop name text (right side of header)
doc.fontSize(12.5)
.font('Helvetica-Bold')
.fillColor('#ffffff')
.text('RAY AARI SHOP', logoLoaded ? 95 : PAD, headerY + 13, { width: W - (logoLoaded ? 111 : PAD * 2) });
doc.fontSize(7.5)
.font('Helvetica')
.fillColor('#cbd5e1')
.text('Sivanatham Salai, Arappalayam Cross Rd,', logoLoaded ? 95 : PAD, headerY + 28, { width: W - (logoLoaded ? 111 : PAD * 2) })
.text('Madurai 625016, Tamil Nadu, India | Ph: 9994333548', logoLoaded ? 95 : PAD, headerY + 38, { width: W - (logoLoaded ? 111 : PAD * 2) });
// ============================================================
// SECTION 2: ORDER INFO STRIP (Left-Right Aligned)
// ============================================================
const orderStripY = headerY + headerH;
const orderStripH = 30;
doc.rect(6, orderStripY, W - 12, orderStripH).fill('#f1f5f9');
const orderNumber = getAdjustedOrderNumber(orderData.order_number || orderData.name);
const orderDate = new Date(orderData.created_at || Date.now()).toLocaleDateString('en-GB');
const shippingMethod = orderData.shipping_lines?.[0]?.title || 'Standard Courier';
// Order Number on Left
doc.fontSize(9.5)
.font('Helvetica-Bold')
.fillColor('#0f172a')
.text(`ORDER: #${orderNumber}`, PAD, orderStripY + 10);
// Date | Courier Method on Right
doc.fontSize(8)
.font('Helvetica-Bold')
.fillColor('#475569')
.text(`${orderDate} | ${shippingMethod}`, PAD, orderStripY + 11, { width: W - PAD * 2, align: 'right' });
// ============================================================
// SECTION 3: SHIP TO SECTION
// ============================================================
const shipToLabelY = orderStripY + orderStripH;
const shipToLabelH = 18;
doc.rect(6, shipToLabelY, W - 12, shipToLabelH).fill('#0f172a');
doc.fontSize(8.5)
.font('Helvetica-Bold')
.fillColor('#ffffff')
.text('SHIP TO', PAD, shipToLabelY + 5, { width: W - PAD * 2, align: 'center' });
// ============================================================
// SECTION 4: CUSTOMER ADDRESS (Clean typesetting)
// ============================================================
const addressStartY = shipToLabelY + shipToLabelH + 12;
const shipping = orderData.shipping_address || orderData.billing_address || {};
const toName = `${shipping.first_name || ''} ${shipping.last_name || ''}`.trim() || 'Customer';
const toPhone = shipping.phone || orderData.phone || orderData.billing_address?.phone || '';
const toAddr1 = shipping.address1 || '';
const toAddr2 = shipping.address2 || '';
const toCity = shipping.city || '';
const toProvince = shipping.province || '';
const toZip = shipping.zip || '';
const toCountry = shipping.country || 'India';
// Customer Name
doc.fontSize(14)
.font('Helvetica-Bold')
.fillColor('#0f172a')
.text(toName, PAD, addressStartY, { width: W - PAD * 2 });
let currentY = addressStartY + 18;
// Customer Phone (Clean phone icon fallback)
if (toPhone) {
doc.fontSize(9.5)
.font('Helvetica-Bold')
.fillColor('#0f172a')
.text(`Phone: ${toPhone}`, PAD, currentY, { width: W - PAD * 2 });
currentY += 14;
}
// Customer Address lines combined with consistent spacing
const addressParts = [];
if (toAddr1) addressParts.push(toAddr1);
if (toAddr2) addressParts.push(toAddr2);
if (toCity || toProvince || toZip) {
const parts = [];
if (toCity) parts.push(toCity);
if (toProvince) parts.push(toProvince);
const cityState = parts.join(', ');
addressParts.push(cityState + (toZip ? ' - ' + toZip : ''));
}
addressParts.push(toCountry);
const addressText = addressParts.join('\n');
doc.fontSize(9.5)
.font('Helvetica')
.fillColor('#334155')
.text(addressText, PAD, currentY, { width: W - PAD * 2, lineGap: 3.5 });
// Calculate height of the address block to dynamically place the separator
const addressHeight = doc.heightOfString(addressText, { width: W - PAD * 2, lineGap: 3.5 });
currentY += addressHeight + 10;
// Ensure the separator doesn't overflow if address is short or long
const minSeparatorY = 250;
const sepY = Math.max(currentY, minSeparatorY);
// ============================================================
// SECTION 5: HORIZONTAL SEPARATOR
// ============================================================
doc.moveTo(PAD, sepY)
.lineTo(W - PAD, sepY)
.lineWidth(1)
.strokeColor('#cbd5e1')
.stroke();
// ============================================================
// SECTION 6: FROM ADDRESS (Ray Aari Shop - Return address)
// ============================================================
const fromY = sepY + 10;
doc.fontSize(7.5)
.font('Helvetica-Bold')
.fillColor('#64748b')
.text('FROM / SENDER:', PAD, fromY);
doc.fontSize(9)
.font('Helvetica-Bold')
.fillColor('#1e293b')
.text('Ray Aari Shop', PAD, fromY + 12);
const shopAddressText = [
'Sivanatham Salai, Arappalayam Cross Rd, Near Madura Coats pvt',
'Madurai 625016, Tamil Nadu, India | Ph: 9994333548'
].join('\n');
doc.fontSize(7.5)
.font('Helvetica')
.fillColor('#475569')
.text(shopAddressText, PAD, fromY + 24, { width: W - PAD * 2, lineGap: 2 });
// ============================================================
// SECTION 7: BARCODE STRIP (Locked to Bottom)
// ============================================================
const barcodeAreaY = H - 75;
doc.rect(6, barcodeAreaY, W - 12, 1).fill('#cbd5e1');
const barcodeText = `RA${orderNumber}IN`;
drawBarcode(doc, PAD + 15, barcodeAreaY + 12, W - PAD * 2 - 30, 52, barcodeText);
doc.end();
} catch (error) {
reject(error);
}
});
};
module.exports = { generateShippingLabelPDF };