salix/services/mailer/application/mail.js

var nodemailer = require('nodemailer');
var settings = require('./settings.js');
var template = require('./template.js');

/**
 * Mail module
 */
module.exports = {
    transporter: null,
    /**
     * Load mail settings.
     */
    init: function() {
        this.transporter = nodemailer.createTransport(settings.smtp());

        this.transporter.verify(function(error, success) {
            if (error) {
                throw new Error(error);
            } else if (settings.app().debug) {
                console.log('SMTP connection stablished');
            }
        });
    },

    /**
     * Send email.
     * @param {Object} recipient - Mail destinatary
     * @param {String} subject - Subject
     * @param {String} body - Mail body
     * @param {Object} attachments - Mail attachments
     * @param {Object} cb - Callback
     */
    send: function(recipient, subject, body, attachments, cb) {
        let mailOptions = {
            from: '"' + settings.app().senderName + '" <' + settings.app().senderMail + '>',
            to: recipient,
            subject: subject,
            html: body,
            attachments
        };

        if (process.env.NODE_ENV !== 'production') {
            mailOptions.to = settings.testEmail;
        }

        this.transporter.sendMail(mailOptions, (error, info) => {
            if (error) {
                return cb({status: 'REJECT', data: {message: 'Email not sent: ' + error}});
            } else if (settings.app().debug) {
                console.log('Mail sent ' + info.messageId + ' [' + info.response + ']');
            }
            cb({status: 'ACCEPT', data: {message: 'Email sent'}});
        });
    },

    /**
     * Send email with template.
     * @param {String} tplName - Template name
     * @param {Object} params - Params object
     * @param {Object} cb - Callback
     */
    sendWithTemplate: function(tplName, params, cb) {
        template.get(tplName, params, data => {
            this.send(data.recipient, data.subject, data.body, data.attachments, result => {
                cb(result);
            });
        });
    }
};