kibana-with-account/src/server/account/mailer.js

kibana-with-account is develop based kibana project

var Hoek = require('hoek');
var Fs = require('fs');
var Handlebars = require('handlebars');
var Nodemailer = require('nodemailer');
var markdown = require('nodemailer-markdown').markdown;
var Config = require('./config');


var transport = Nodemailer.createTransport(Config.get('/nodemailer'));
transport.use('compile', markdown({useEmbeddedImages: true}));


var templateCache = {};


var renderTemplate = function (signature, context, callback) {

  if (templateCache[signature]) {
    return callback(null, templateCache[signature](context));
  }

  var filePath = __dirname + '/emails/' + signature + '.hbs.md';
  var options = {encoding: 'utf-8'};

  Fs.readFile(filePath, options, function (err, source) {

    if (err) {
      return callback(err);
    }

    templateCache[signature] = Handlebars.compile(source);
    callback(null, templateCache[signature](context));
  });
};


var sendEmail = exports.sendEmail = function (options, template, context, callback) {

  renderTemplate(template, context, function (err, content) {

    if (err) {
      return callback(err);
    }

    options = Hoek.applyToDefaults(options, {
      from: Config.get('/system/fromAddress'),
      markdown: content
    });

    transport.sendMail(options, callback);
  });
};


exports.register = function (server, options, next) {

  server.expose('sendEmail', sendEmail);
  server.expose('transport', transport);

  next();
};


exports.register.attributes = {
  name: 'mailer'
};