salix/services/mailer/application/locale.js

var fs = require('fs');
var settings = require('./settings.js');
var path = require('path');

module.exports = {
    /**
     * Returns template locale
     * @param {String} template - Template name
     * @param {String} countryCode - Language code
     * @param {Object} cb - Callback
     */
    load: function(template, countryCode, cb) {
        var localeFile = path.join(__dirname, 'template', `${template}`, 'locale', `${countryCode}.json`);
        var defaultLocaleFile = path.join(__dirname, 'template', `${template}`, 'locale', `${settings.app().defaultLanguage}.json`);

        fs.stat(localeFile, (error, stats) => {
            if (error) {
                fs.stat(defaultLocaleFile, (error, stats) => {
                    if (error)
                        return cb({status: 'REJECT', data: {message: 'Translation not found for template ' + template + '.'}});

                    cb({status: 'ACCEPT', data: {locale: require(defaultLocaleFile)}});
                });
            } else {
                cb({status: 'ACCEPT', data: {locale: require(localeFile)}});
            }
        });
    }
};