Sails.js simple example of localization with database

models-locale.js

module.exports = {

  adapter:'exampleDB',
  //tableName:'locale',

  attributes: {
    text: {
      type: 'string'
    },
    // locale config
    locale: {
      type: 'string',
      // dafault locale
      defaultsTo: 'us-en'
    }

    // others atribs here ...
  }
};

services-LocaleService.js

exports.i18n = function LSi18n(text, locale, callback){
  if(!locale){
    locale = 'en-us';
  }

  // get string from db
  Locale.findOne({
    text: text,
    locale: locale
  }).exec(function(err, locale){
    if(err){
      sails.log.error(err);
      return callback(err, text);
    }

    if(locale){
      return callback(err, locale);
    }else{
      // if dont are translated return the default text
      return callback(err, text);
    }
  });
};

simple-db-localization-usage-example.js

// ...
  exampleAction: function (req,res){

    var content = LocaleService.i18n('Hello Word', req.lang, function(err, translatedText){
      res.view({
        title:translatedText
      });
    });

  }

// ...