From a53114e7b617bb96a735eb481555467aa81066a2 Mon Sep 17 00:00:00 2001
From: Andrew Cay <Lemony-Andrew@users.noreply.github.com>
Date: Mon, 15 Jun 2015 22:47:17 -0700
Subject: [PATCH] Update and rename coursewaresJSFramework_0.0.5.js to
 coursewaresJSFramework_0.0.6.js

Added auto save(to local storage) for any progress. It will set the IDE text to whatever the user last saw within 24 hours.
The auto save happens every 1.5 seconds _after_ someone lifts a key.
---
 ...0.5.js => coursewaresJSFramework_0.0.6.js} | 66 ++++++++++++++++++-
 1 file changed, 63 insertions(+), 3 deletions(-)
 rename public/js/lib/coursewares/{coursewaresJSFramework_0.0.5.js => coursewaresJSFramework_0.0.6.js} (77%)

diff --git a/public/js/lib/coursewares/coursewaresJSFramework_0.0.5.js b/public/js/lib/coursewares/coursewaresJSFramework_0.0.6.js
similarity index 77%
rename from public/js/lib/coursewares/coursewaresJSFramework_0.0.5.js
rename to public/js/lib/coursewares/coursewaresJSFramework_0.0.6.js
index 5e6de0e413..a339037b0e 100644
--- a/public/js/lib/coursewares/coursewaresJSFramework_0.0.5.js
+++ b/public/js/lib/coursewares/coursewaresJSFramework_0.0.6.js
@@ -40,6 +40,66 @@ editor.setOption("extraKeys", {
 });
 
 
+/*
+	Local Storage Update System By Andrew Cay(Resto)
+	localBonfire: singleton object that contains properties and methods related to
+		dealing with the localStorage system.
+	The keys work off of the variable challenge_name to make unique identifiers per bonfire
+	
+	Two extra functionalities: 
+	Added anonymous version checking system incase of future updates to the system
+	Added keyup listener to editor(myCodeMirror) so the last update has been saved to storage
+*/
+var localBonfire = {
+	version: 0.01,
+	keyVersion:"saveVersion",
+	keyStamp: challenge_Name + 'Stamp',
+	keyValue: challenge_Name + 'Val',
+	stampExpireTime: (1000 *60) *60 *24,
+	updateWait: 1500,// 1.5 seconds
+	updateTimeoutId: null
+};
+localBonfire.getEditorValue = function(){
+	return localStorage.getItem(localBonfire.keyValue);
+};
+localBonfire.getStampTime = function(){
+	//localstorage always saves as strings.
+	return Number.parseInt( localStorage.getItem(localBonfire.keyStamp) );
+};
+localBonfire.isAlive = function(){// returns true if IDE was edited within expire time
+	return ( Date.now() - localBonfire.getStampTime() < localBonfire.stampExpireTime );
+};
+localBonfire.updateStorage = function(){
+	if(typeof(Storage) !== undefined) {
+		var stamp = Date.now(),
+			value = editor.getValue();
+		localStorage.setItem(localBonfire.keyValue, value);
+		localStorage.setItem(localBonfire.keyStamp, stamp);
+	} else {
+		if( debugging ){
+			console.log('no web storage');
+		}
+	}
+	localBonfire.updateTimeoutId = null;
+	console.log('updated!');
+};
+// ANONYMOUS 1 TIME UPDATE VERSION
+(function(){
+	var savedVersion = localStorage.getItem('saveVersion');
+	if( savedVersion === null ){
+		localStorage.setItem(localBonfire.keyVersion, localBonfire.version);//just write current version
+	}else{
+		//do checking if not current version
+		if( savedVersion !== localBonfire.version ){
+			//update version
+		}
+	}
+})();
+
+editor.on('keyup', function(codMir, event){ 
+	window.clearTimeout(localBonfire.updateTimeoutId);
+	localBonfire.updateTimeoutId = window.setTimeout(localBonfire.updateStorage, localBonfire.updateWait);
+});
 
 var attempts = 0;
 if (attempts) {
@@ -71,15 +131,15 @@ var editorValue;
 var challengeSeed = challengeSeed || null;
 var tests = tests || [];
 
+
 var allSeeds = '';
 (function() {
   challengeSeed.forEach(function(elem) {
-    allSeeds += elem + '\n';
+	allSeeds += elem + '\n';
   });
 })();
 
-editorValue = allSeeds;
-
+editorValue = (localBonfire.isAlive())? localBonfire.getEditorValue() : allSeeds;
 
 myCodeMirror.setValue(editorValue);