yoanm / alfred-personal-assistant

server/profile.js

var express = require('express');

var extend  = require('extend');


// ------------------------------------------

//  CONSTRUCTOR

// ------------------------------------------


var init = function(){

  info('Starting ProfileManager ...');

  

  // Expose properties to global

  var Profile = {}

  global.Profile = Profile;

  

  return ProfileManager;

}


// ------------------------------------------

//  ROUTER

// ------------------------------------------



var updateProfile = function(req, res, next) { 

  

  var name = req.params.name;

  var query   = {}; 

  var profile = {};


  var keys = Object.keys(req.query);

  for(var i=0 ; i < keys.length ; i++){

    var key = keys[i];

    var value = req.query[key];

    

    if (!key.startsWith('profile_')){

      query[key] = value;

      continue; 

    }

    

    profile[key.substring(8)] = parse(value);

  }


  if (profile.face){

    

    // Merge previous with new profile

    var previous = Profile[profile.face];

    if (previous){

      extend(true, previous, profile);

      profile = previous;

    }

    

    // Save profile for given face

    Profile[profile.face] = profile;

  }

   

  // Local profile

  req.query = query;

  req.query.profile = profile;

  Profile.last = profile;

  

  next();

}


var parse = function(str){

  if (str === 'true')  return true;

Curly braces around statements make for more readable code and help prevent bugs when you add further statements.

  if (str === 'false') return false;

Curly braces around statements make for more readable code and help prevent bugs when you add further statements.

  var num = parseInt(str);

  return isNaN(num) ? str : num;

}


var Router = express.Router();


Router.all('/sarah/:name', updateProfile);

Router.all('/standby',     updateProfile);

Router.all('/motion',      updateProfile);

Router.all('/askme',       updateProfile);



// ------------------------------------------

//  PUBLIC

// ------------------------------------------


var ProfileManager = {

  'init'   : init,

  'Router' : Router

}


// Exports Manager

exports.init = ProfileManager.init;