Release 0.3-1 (Including all changes)

[marketstoday] / src / qml / Library / js / CoreLogic.js

diff --git a/src/qml/Library/js/CoreLogic.js b/src/qml/Library/js/CoreLogic.js
index 3fde6d5..e39d016 100644 (file)
--- a/src/qml/Library/js/CoreLogic.js
+++ b/src/qml/Library/js/CoreLogic.js
@@ -1,5 +1,5 @@
 /*
-@version: 0.1
+@version: 0.2
 @author: Sudheer K. <scifi1947 at gmail.com>
 @license: GNU General Public License
 */
@@ -44,7 +44,7 @@ function refreshDataModel(responseXML){
 
                 var quoteElements = quoteNodes[i].childNodes;
                 var j = 0;
-                var symbol,stockName,lastTradedPrice,change,changePercentage
+                var symbol,stockName,lastTradedPrice,change,changePercentage,volume,marketCap
 
                 for (j = 0; j < quoteElements.length; j++){
 
@@ -59,23 +59,30 @@ function refreshDataModel(responseXML){
                             lastTradedPrice = quoteElements[j].childNodes[0].nodeValue;
                             break;
                         case 'Change':
-                            change = quoteElements[j].childNodes[0].nodeValue;
+                            change = (quoteElements[j].childNodes[0])? quoteElements[j].childNodes[0].nodeValue:"";
                             break;
                         case 'ChangeinPercent':
-                            changePercentage = quoteElements[j].childNodes[0].nodeValue;
+                            changePercentage = (quoteElements[j].childNodes[0])? quoteElements[j].childNodes[0].nodeValue:"";
+                            break;
+                        case 'Volume':
+                            volume = (quoteElements[j].childNodes[0])? quoteElements[j].childNodes[0].nodeValue:"";
+                            break;
+                        case 'MarketCapitalization':
+                            marketCap = (quoteElements[j].childNodes[0])? quoteElements[j].childNodes[0].nodeValue:"";
                             break;
                         default:
                     }
                 }
-                stockQuoteDataModel.append({"symbol":symbol,"stockName":stockName,"lastTradedPrice":lastTradedPrice,"change":change,"changePercentage":changePercentage});
-                logUtility.logMessage("Symbol: "+stockQuoteDataModel.get(i).symbol+", Name: "+ stockQuoteDataModel.get(i).stockName+", LastTraded: "+stockQuoteDataModel.get(i).lastTradedPrice+", Change: "+stockQuoteDataModel.get(i).change+", ChangePercent: "+stockQuoteDataModel.get(i).changePercentage);
+                stockQuoteDataModel.append({"symbol":symbol,"stockName":stockName,"lastTradedPrice":lastTradedPrice,"change":change,"changePercentage":changePercentage,"volume":volume,"marketCap":marketCap});
+                //logUtility.logMessage("Symbol: "+stockQuoteDataModel.get(i).symbol+", Name: "+ stockQuoteDataModel.get(i).stockName+", LastTraded: "+stockQuoteDataModel.get(i).lastTradedPrice+", Change: "+stockQuoteDataModel.get(i).change+", ChangePercent: "+stockQuoteDataModel.get(i).changePercentage+", Volume: "+stockQuoteDataModel.get(i).volume+", MarketCap: "+stockQuoteDataModel.get(i).marketCap);
+                logUtility.logMessage(stockQuoteDataModel.get(i).symbol+", "+stockQuoteDataModel.get(i).lastTradedPrice+", "+stockQuoteDataModel.get(i).change+", "+stockQuoteDataModel.get(i).changePercentage+", "+stockQuoteDataModel.get(i).volume+", "+stockQuoteDataModel.get(i).marketCap);
             }
         }
     }
 
     var queryNode = xmlDoc;
     if (queryNode) {
-        var i = 0;
+        i = 0;
         var queryAttributes = queryNode.attributes;
         for (i = 0; i < queryAttributes.length; i++) {
             if (queryAttributes[i].name == 'created') {
@@ -87,6 +94,49 @@ function refreshDataModel(responseXML){
     }
 }
 
+function refreshNewsModel(responseXML){
+    if (!(responseXML && newsDataModel)) return;
+
+    var xmlDoc = responseXML.documentElement;
+    var channel = xmlDoc.firstChild;
+
+    //Not the best code I ever wrote, but got no choice
+    //Refer to Memory leak issue with XMLListModel --> http://bugreports.qt.nokia.com/browse/QTBUG-15191
+
+    if (channel) {
+        var itemNodes = channel.childNodes;
+        if (itemNodes){
+
+            logUtility.logMessage("Clearing News Model");
+            newsDataModel.clear();
+
+            var i = 0;
+            for (i = 0; i < itemNodes.length; i++) {
+
+                if (itemNodes[i].nodeName === 'item'){
+                    var newsElements = itemNodes[i].childNodes;
+                    var j = 0;
+                    var newsTitle,newsLink
+                    for (j = 0; j < newsElements.length; j++){
+
+                        switch (newsElements[j].nodeName){
+                            case 'title':
+                                newsTitle = newsElements[j].childNodes[0].nodeValue;
+                                break;
+                            case 'link':
+                                newsLink = newsElements[j].childNodes[0].nodeValue;
+                                break;
+                            default:
+                        }
+                    }
+                    newsDataModel.append({"title":newsTitle,"link":newsLink});
+                    //logUtility.logMessage("Title: "+newsDataModel.get(i).title+", Link: "+ newsDataModel.get(i).link);
+                    //logUtility.logMessage("Title: "+newsTitle+", Link: "+ newsLink);
+                }
+            }
+        }
+    }
+}
 
 function reloadQuotes(){
     var query = getQuery();
@@ -95,7 +145,7 @@ function reloadQuotes(){
         logUtility.logMessage("Reloading Data..");
 
         //var queryURL = 'http://query.yahooapis.com/v1/public/yql?q=select * from yahoo.finance.quotes where symbol in ("INDU","^IXIC","^GSPC","CLJ11.NYM","YHOO","AAPL","GOOG","MSFT")&env=store://datatables.org/alltableswithkeys';
-        var queryURL = 'http://query.yahooapis.com/v1/public/yql?q=select Symbol,Name,LastTradePriceOnly,Change,ChangeinPercent from yahoo.finance.quotes where symbol in ('+query+')&env=store://datatables.org/alltableswithkeys';
+        var queryURL = 'http://query.yahooapis.com/v1/public/yql?q=select Symbol,Name,LastTradePriceOnly,Change,ChangeinPercent,Volume,MarketCapitalization from yahoo.finance.quotes where symbol in ('+query+')&env=store://datatables.org/alltableswithkeys';
         logUtility.logMessage(queryURL);
 
         var response = new XMLHttpRequest();
@@ -115,10 +165,32 @@ function reloadQuotes(){
     }
 }
 
+function reloadNews(){
+    if (!rssURL || rssURL == "Unknown") {
+        logUtility.logMessage("Invalid RSS URL: "+rssURL);
+    }
+    else{
+        logUtility.logMessage("Reloading news from "+rssURL);
+        //var queryURL = "http://finance.yahoo.com/rss/topstories";
+        logUtility.logMessage(rssURL);
+        var response = new XMLHttpRequest();
+        response.onreadystatechange = function() {
+            if (response.readyState == XMLHttpRequest.DONE) {
+                refreshNewsModel(response.responseXML);
+                logUtility.logMessage("News Reload Completed..");
+            }
+        }
+
+        response.open("GET", rssURL);
+        response.send();
+    }
+}
+
+
 function loadSettings(){
     var value;
     value  = DBUtility.getSetting("UpdateFreqency");
-    if (!value || value == "0.0" || value === ""){
+    if (!value || value == "0.0" || value === "" || isNaN(value)){
         autoUpdateInterval = 0;
     }
     else{
@@ -132,6 +204,7 @@ function loadSettings(){
         updateWeekDaysOnly = true;
     }
 
+/*
     value  = DBUtility.getSetting("UpdateOnSavedNetworksOnly");
     if (!value || value == "0.0" || value === ""){
         updateOnSavedNetworksOnly = false;
@@ -139,13 +212,22 @@ function loadSettings(){
     else{
         updateOnSavedNetworksOnly = true;
     }
+*/
 
+    value  = DBUtility.getSetting("RSSURL");
+    if (!value || value == "Unknown" || value === ""){
+        //Do Nothing
+    }
+    else{
+        rssURL = value;
+    }
 }
 
 function initialize(){
     if (autoUpdateTimer.running) autoUpdateTimer.stop();
     loadSettings();
     reloadQuotes();
+    reloadNews();
 
     if (autoUpdateInterval !== 0) {
         logUtility.logMessage("Starting Timer..");