salix/print/core/smtp.js

const nodemailer = require('nodemailer');
const config = require('./config');
const db = require('./database');

module.exports = {
    init() {
        if (!this.transporter)
            this.transporter = nodemailer.createTransport(config.smtp);
    },

    send(options) {
        options.from = `${config.app.senderName} <${config.app.senderEmail}>`;

        if (process.env.NODE_ENV !== 'production') {
            if (!config.smtp.auth.user)
                return Promise.resolve(true);

            options.to = config.app.senderEmail;
        }

        let error;
        return this.transporter.sendMail(options).catch(err => {
            error = err;

            throw err;
        }).finally(async() => {
            await db.rawSql(`
                INSERT INTO vn.mail (sender, replyTo, sent, subject, body, status)
                    VALUES (:recipient, :sender, 1, :subject, :body, :status)`, {
                sender: config.app.senderEmail,
                recipient: options.to,
                subject: options.subject,
                body: options.text || options.html,
                status: error && error.message || 'Sent'
            });
        });
    }
};