@license: GNU General Public License
*/
+var strErrorMessage;
+
+function reloadQuotes(){
+ var query = getQuery();
+ if (query){
+ quoteRefreshStarted();
+ 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,Volume,MarketCapitalization from yahoo.finance.quotes where symbol in ('+query+')&env=store://datatables.org/alltableswithkeys';
+ logUtility.logMessage(queryURL);
+
+ var response = new XMLHttpRequest();
+ response.onreadystatechange = function() {
+ if (response.readyState == XMLHttpRequest.DONE) {
+ var success = refreshDataModel(response);
+ if (success === true){
+ logUtility.logMessage("Data Reload Completed..");
+ }
+ else{
+ logUtility.logMessage("Data Reload Failed..");
+ }
+ quoteRefreshCompleted(success,strErrorMessage);
+ }
+ }
+
+ response.open("GET", queryURL);
+ response.send();
+ }
+ else{
+ logUtility.logMessage("No stock symbols found in configuration.");
+ strErrorMessage = "Tap the title bar to add stock tickers and update settings."
+ stockQuoteDataModel.clear();
+ quoteRefreshCompleted(false,strErrorMessage);
+ }
+}
+
function getQuery(){
var query;
var symbolsArray = DBUtility.getAllSymbols();
return query;
}
-function refreshDataModel(responseXML){
- if (!(responseXML && stockQuoteDataModel)) return;
+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/topfinstories";
+ logUtility.logMessage(rssURL);
+ var response = new XMLHttpRequest();
+ response.onreadystatechange = function() {
+ if (response.readyState == XMLHttpRequest.DONE) {
+ var success = refreshNewsModel(response);
+ if (success === true){
+ logUtility.logMessage("News Reload Completed..");
+ }
+ else{
+ logUtility.logMessage("News Reload Failed..");
+ }
+ newsReloadCompleted(success,strErrorMessage);
+ }
+ }
- var xmlDoc = responseXML.documentElement;
+ response.open("GET", rssURL);
+ response.send();
+ }
+}
+
+function refreshDataModel(response){
+ var status = false;
+ if (!response.responseXML) {
+ //This shouldn't happen
+ strErrorMessage = "Error occurred while loading stock quotes. Please contact the developer."
+ if (response.responseText)
+ logUtility.logMessage(response.responseText);
+ else
+ logUtility.logMessage("No responseXML for quotes");
+ return status;
+ }
+
+ var xmlDoc = response.responseXML.documentElement;
var results = xmlDoc.firstChild;
//Not the best code I ever wrote, but got no choice
if (results) {
var quoteNodes = results.childNodes;
- if (quoteNodes){
+ if (quoteNodes && quoteNodes.length > 0){
logUtility.logMessage("Clearing Data Model");
stockQuoteDataModel.clear();
//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);
}
+
+ status = true;
+ }
+ else
+ {
+ strErrorMessage = "Quotes could not be fetched from Yahoo! Finance. Please verify the tickers and try again later."
+ logUtility.logMessage(response.responseText);
+ status = false;
}
}
+ else{
+ strErrorMessage = "Stock quote data from Yahoo! Finance is currently not available. Please try again later."
+ logUtility.logMessage(response.responseText);
+ status = false;
+ }
+
var queryNode = xmlDoc;
if (queryNode) {
var queryAttributes = queryNode.attributes;
for (i = 0; i < queryAttributes.length; i++) {
if (queryAttributes[i].name == 'created') {
- screen.lastUpdatedTimeStamp = "Updated: "+DateLib.ISODate.format(queryAttributes[i].value);
- logUtility.logMessage(screen.lastUpdatedTimeStamp);
+ lastUpdatedTimeStamp = "Updated: "+DateLib.ISODate.format(queryAttributes[i].value);
+ logUtility.logMessage(lastUpdatedTimeStamp);
break;
}
}
}
-}
-function refreshNewsModel(responseXML){
- if (!(responseXML && newsDataModel)) return;
+ return status;
+}
- var xmlDoc = responseXML.documentElement;
- var channel = xmlDoc.firstChild;
+function refreshNewsModel(response){
+ var status = false;
+ if (!response.responseXML) {
+ //This shouldn't happen
+ strErrorMessage = "Error occurred while loading news. Please contact the developer."
+ if (response.responseText)
+ logUtility.logMessage(response.responseText);
+ else
+ logUtility.logMessage("No responseXML for news");
+ return status;
+ }
//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
+
+ var xmlDoc = response.responseXML.documentElement;
+ //var channel = xmlDoc.firstChild; Doesn't work with some RSS providers. THANK YOU, YAHOO
+
+ var channel;
+
+ var i = 0;
+ for (i = 0; i < xmlDoc.childNodes.length; i++){
+ if (xmlDoc.childNodes[i].nodeName === 'channel') {
+ channel = xmlDoc.childNodes[i];
+ break;
+ }
+ }
+
if (channel) {
var itemNodes = channel.childNodes;
if (itemNodes){
logUtility.logMessage("Clearing News Model");
newsDataModel.clear();
+ logUtility.logMessage("No. of news stories = "+itemNodes.length);
- var i = 0;
for (i = 0; i < itemNodes.length; i++) {
-
if (itemNodes[i].nodeName === 'item'){
var newsElements = itemNodes[i].childNodes;
var j = 0;
//logUtility.logMessage("Title: "+newsTitle+", Link: "+ newsLink);
}
}
+ status = true;
}
- }
-}
-
-function reloadQuotes(){
- var query = getQuery();
- if (query){
- screen.quoteRefreshStarted();
- 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,Volume,MarketCapitalization from yahoo.finance.quotes where symbol in ('+query+')&env=store://datatables.org/alltableswithkeys';
- logUtility.logMessage(queryURL);
-
- var response = new XMLHttpRequest();
- response.onreadystatechange = function() {
- if (response.readyState == XMLHttpRequest.DONE) {
- refreshDataModel(response.responseXML);
- logUtility.logMessage("Data Reload Completed..");
- screen.quoteRefreshCompleted();
- }
+ else{
+ strErrorMessage = "The RSS feed did not contain any news stories. Please try again later."
+ logUtility.logMessage(response.responseText);
+ status = false;
}
-
- response.open("GET", queryURL);
- response.send();
}
else{
- logUtility.logMessage("No stock symbols found in configuration.");
+ strErrorMessage = "The RSS feed did not return valid data. Please check the URL and try again later."
+ logUtility.logMessage(response.responseText);
+ status = false;
}
-}
-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();
- }
+ return status;
}
-
function loadSettings(){
var value;
value = DBUtility.getSetting("UpdateFreqency");
if (!value || value == "Unknown" || value === ""){
//Do Nothing
}
- else{
+ else if (value === 'http://finance.yahoo.com/rss/topstories'){
+ /*
+ Yahoo changed their Top New rss feed from http://finance.yahoo.com/rss/topstories to http://finance.yahoo.com/rss/topfinstories.
+ Since the application has a hardcoded default rss feed, it is better to update it here. Not sure if this is the best way to deal with such changes.
+ */
+
+ rssURL = "http://finance.yahoo.com/rss/topfinstories";
+ DBUtility.setSetting("RSSURL",rssURL);
+ }
+ else
+ {
rssURL = value;
}
}
projects / marketstoday / blobdiff