// Customer Data Structure Customer { id, name, email, phone, address, notes, interactions: [Interaction], deals: [Deal] } // Interaction Data Structure Interaction { id, customerId, date, type, // call, email, meeting notes } // Deal Data Structure Deal { id, customerId, amount, status, // open, closed-won, closed-lost expectedCloseDate } // Customer object structure const customer = { name: "Customer Name", phoneNumber: "123-456-7890", email: "customer@example.com", address: "123 Main Street, City, State, ZIP" };// Product object structure const product = { code: "PRD001", name: "Product Name", validity: "12 months" // or a date like "2024-12-31" };// Sample product with expiry date const product = { code: "PRD001", name: "Sample Product", expiryDate: "2024-05-01" }; // Function to check expiry status function checkExpiry(product) { const today = new Date(); const expiry = new Date(product.expiryDate); const timeDiff = expiry - today; const daysLeft = Math.ceil(timeDiff / (1000 * 60 * 60 * 24)); if (daysLeft > 0) { console.log(`Product "${product.name}" will expire in ${daysLeft} days.`); } else if (daysLeft === 0) { console.log(`Product "${product.name}" expires today.`); } else { console.log(`Product "${product.name}" has expired ${-daysLeft} days ago.`); } } // Run the check checkExpiry(product);const nodemailer = require('nodemailer'); // Configure your email service const transporter = nodemailer.createTransport({ service: 'YourEmailService', // e.g., 'Gmail' auth: { user: 'your_email@example.com', pass: 'your_email_password' } }); // Function to send expiry alert email function sendExpiryAlert(customerEmail, productName, expiryDate) { const mailOptions = { from: 'your_email@example.com', to: customerEmail, subject: `Product Expiry Notice: ${productName}`, text: `Dear Customer,\n\nYour product "${productName}" is set to expire on ${expiryDate}. Please take necessary action.\n\nThank you!` }; transporter.sendMail(mailOptions, (error, info) => { if (error) { console.error('Error sending email:', error); } else { console.log('Email sent:', info.response); } }); } // Example usage sendExpiryAlert('customer@example.com', 'Sample Product', '2024-05-01'); const nodemailer = require('nodemailer'); // Sample data: list of products with customer emails const products = [ { name: 'Product A', expiryDate: '2024-05-01', customerEmail: 'customer1@example.com' }, { name: 'Product B', expiryDate: '2024-04-28', customerEmail: 'customer2@example.com' }, // add more products as needed ]; // Configure your email transporter const transporter = nodemailer.createTransport({ service: 'Gmail', // or your email service auth: { user: 'your_email@gmail.com', pass: 'your_email_password' } }); // Function to check expiry and send alert if within 7 days function checkAndSendAlerts() { const today = new Date(); products.forEach(product => { const expiry = new Date(product.expiryDate); const timeDiff = expiry - today; const daysLeft = Math.ceil(timeDiff / (1000 * 60 * 60 * 24)); if (daysLeft > 0 && daysLeft <= 7) { // Send alert const mailOptions = { from: 'your_email@gmail.com', to: product.customerEmail, subject: `Reminder: Your product "${product.name}" is expiring soon`, text: `Dear Customer,\n\nYour product "${product.name}" will expire on ${product.expiryDate}. Please take necessary action.\n\nThank you!` }; transporter.sendMail(mailOptions, (error, info) => { if (error) { console.error(`Error sending email to ${product.customerEmail}:`, error); } else { console.log(`Alert sent to ${product.customerEmail}: ${info.response}`); } }); } }); } // Run the check (you can schedule this to run daily) checkAndSendAlerts();