A template of filter for pomelo framework.

pomelo_filter_template.js

/**
 * Filter 
 */

module.exports = function() {
  return new Filter();
};

var Filter = function() {
};

/**
 * before filter
 * Requests go though here first. This is for a preparation for anything you want to do.
 * @param {Object} msg Requested content from a client
 * @param {Object} session Current session of a player
 * @param {Function} next The next callback function. |function next(){}|
 */
Filter.prototype.before = function(msg, session, next){

};

/**
 * after filter
 * Requests go though here at last, even an error occurred.
 * You can also do anything you want, except changing the content of the response body.
 * Because they've been already sent to the client.
 * @param {Object} err The Error object
 * @param {Object} msg Requested content from a client
 * @param {Object} session Current session of a player
 * @param {Object} resp Response content from the server
 * @param {Function} next The next callback function. |function next(err, resp){}|
 */
Filter.prototype.after = function(err, msg, session, resp, next) {

};