QuestionController-after.js

module.exports = function(app) {
  var resourcePath = '/api/questions';

  app.use(resourcePath, auth.isAuthenticated, new MongooseService(Question));

  app.service(resourcePath)
    .before({
      create: [setAuthor],
      update: [updateLastActivityDate],
      remove: [checkRemovePermissions],
      addToCollection: [setAuthor]
    }).after({
      create: [notifyMentorsWithLabel],
      addToCollection: [updateFollowers, notifyFollowers]
    });
};

/**
 * Set author (current user) for a new answer
 *
 * @param hook {Object}   - Contains data about the hooked methods
 * @param next {Function} - Callback to invoke when done
 */
function setAuthor(hook, next) {
  if (hook.collection !== 'answers') {
    return next();
  }
  
  var question = hook.data;
  var user = hook.params.user;

  question.author = user;

  next();
}