.js

  function buildTranslations(message, originLanguage, destLanguages){
    translations = {}; 
    return Promise.map(destLanguages,function(currentLang){
      translations[currentLang.code] = {}
      return db.model('Translation').translate(message,originLanguage.code,currentLang.code).then(function(translation){
        translations[currentLang.code] = translation;
      }); 
    }).then(function(){
      return translations;
    }); 
  }