Structured-Hack

structured.js

// JavaScript Code
var connected = false;
var doorOpen = false;
var timer = false;

// assume these are real things - NOT REAL! :)
var door = new DoggyDoor();
var collar = new CollarListener();

var app = {
   init:function(){
      collar.onConnect = app.handleCollarConnect;
      collar.onDisconnect = app.handleCollarDisconnect;
   },
   handleCollarConnect:function(data){
      connected = true;
      manageTimer();
   },
   handleCollarDisconnect:function() {
      connected = false;
      openCloseDoor();
      clearInterval(timer); // manually clear timer
      timer = false;
   },
   onTimerTick:function(evt) {  
      openCloseDoor();
      manageTimer();
   },
   manageTimer:function() {
      if(!timer){
           timer = setInterval(onTimerTick, 30000);
      }else{
           clearInterval(timer);
      }
   },
   openCloseDoor:function(){
      if(connected && !doorOpen){
         door.open();
         doorOpen = true;
      }else{
         door.close();
         doorOpen = false;
      }
   }
}

// start the program
app.init();