private void miSubscribe_Click(object sender, EventArgs e)
{
ToolStripMenuItem item = (ToolStripMenuItem)sender;
FoeClientCatalogItem catItem = (FoeClientCatalogItem)item.Tag;
// Reverse the check (i.e. change to checked if currently not checked, and vice versa.)
item.Checked = !item.Checked;
try
{
// Record change to DB
FoeClientCatalog.SetSubscription(catItem.Code, item.Checked);
// Update subscription
SendSubscriptionRequest();
// Redisplay feed
DisplayFeeds();
}
catch (Exception)
{
MessageBox.Show("Error loading catalog. Data file probably corrupted, please reinstall Foe. Program will now close.");
Close();
}
}
private void DisplayFeeds()
{
try
{
wbFeedDisplay.DocumentText = "";
string html =
"<html><head><meta http-equiv=\"content-type\" content=\"text/html; charset=UTF-8\"></head>" +
"<body bgcolor=\"#ffffff\" style=\"font-family:Verdana,Arial;font-size:10px;margin:0px;\">\n";
List <FoeClientCatalogItem> catalog = FoeClientCatalog.GetAll();
foreach (FoeClientCatalogItem item in catalog)
{
if (item.IsSubscribed)
{
// Add a header
html += "<table border=\"0\" cellpadding=\"4\" cellspacing=\"0\" width=\"100%\" style=\"font-family:Verdana,Arial;font-size:13px;\">\n" +
"<tr><td bgcolor=\"#CCCCFF\"><b>" + item.Name + "</b></td></tr>\n";
// Check if feed file is available
try
{
TextReader reader = new StreamReader("rss\\" + item.Code + ".rss");
string feed = reader.ReadToEnd();
// Parse RSS
XmlDocument doc = new XmlDocument();
doc.LoadXml(feed);
XmlNodeList news = doc.GetElementsByTagName("item");
bool isGray = false;
foreach (XmlNode newsItem in news)
{
html += "<tr><td bgcolor=\"" + (isGray ? "#F7F7F7" : "#FFFFFF") + "\">";
html += "<a target=\"foe\" href=\"" + newsItem["link"].InnerText + "\" style=\"color:#0000ff;text-decoration:none;\">" + newsItem["title"].InnerText + "</a><br>\n";
//html += "<a href=\"#\" onclick=\"window.external.LoadPage('" + newsItem["link"].InnerText + "')\" style=\"color:#0000ff;text-decoration:none;\">" + newsItem["title"].InnerText + "</a><br>\n";
html += "</td></tr>\n";
isGray = !isGray;
}
}
catch (Exception)
{
// RSS file doesn't exist.
// Can't do much, probably feed hasn't arrived yet.
}
html += "</table><br /> <br />\n";
}
}
html += "</body></html>";
wbFeedDisplay.Document.OpenNew(true);
wbFeedDisplay.DocumentText = html;
}
catch (Exception)
{
tssStatus.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " error displaying feeds.";
}
}
private void CheckUpdate()
{
Trace.WriteLine("Entered CheckUpdate().");
LoadCatalog();
try
{
bool hasUpdate = false;
Trace.WriteLine(" Downloading messages.");
FoeClientMessage.DownloadMessages();
Trace.WriteLine(" Downloaded messages.");
// Check if there is any update that's newer than what are currently displayed
List <FoeClientCatalogItem> catalog = FoeClientCatalog.GetAll();
foreach (FoeClientCatalogItem item in catalog)
{
Trace.WriteLine(" Checking updated news.");
Trace.WriteLine(" " + item.Code + " updated at " + item.DtLastUpdated.ToString("yyyy-MM-dd HH:mm:ss"));
Trace.WriteLine(" _lastUpdated = " + _lastUpdated.ToString("yyyy-MM-dd HH:mm:ss"));
if (item.DtLastUpdated > _lastUpdated)
{
Trace.WriteLine(" Updated news is available.");
// Set timer to normal interval
timerCheckUpdate.Interval = _checkInterval;
// Redisplay feed
DisplayFeeds();
Trace.WriteLine(" Displayed feed.");
// record keeping
hasUpdate = true;
tssStatus.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " updated feeds.";
_lastUpdated = DateTime.Now;
Trace.WriteLine(" Updated _lastUpdated.");
break;
}
}
if (!hasUpdate)
{
tssStatus.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " no new feeds.";
Trace.WriteLine(" No update available.");
}
}
catch (Exception except)
{
tssStatus.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " error .";
Trace.WriteLine(" Error occured:\r\n" + except.ToString());
}
Trace.WriteLine("Exiting CheckUpdate().");
}
private void SendSubscriptionRequest()
{
try
{
// Delete all previous content requests
FoeClientRequest.DeleteOldRequest(_requestInterval);
// Create Foe Message
string catalogs = "";
List <FoeClientCatalogItem> catalog = FoeClientCatalog.GetAll();
if (catalog.Count == 0)
{
return;
}
foreach (FoeClientCatalogItem item in catalog)
{
if (item.IsSubscribed)
{
catalogs += item.Code + ",";
}
}
string requestId = FoeClientRequest.GenerateId();
FoeClientMessage.SendMessage(
FoeClientMessage.GetSmtpServer(),
FoeClientRegistry.GetEntry("useremail").Value,
FoeClientRegistry.GetEntry("processoremail").Value,
SubjectGenerator.RequestSubject(RequestType.Content, requestId, FoeClientRegistry.GetEntry("userid").Value),
catalogs);
// save requestid to DB
FoeClientRequestItem reqItem = new FoeClientRequestItem();
reqItem.Id = requestId;
reqItem.Type = "content";
reqItem.DtRequested = DateTime.Now;
FoeClientRequest.Add(reqItem);
// remember when the request was sent
_lastRequestSent = DateTime.Now;
// Set status
tssStatus.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " requested update.";
}
catch (Exception)
{
tssStatus.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " error sending request.";
}
}
private void CheckUpdate()
{
try
{
bool hasUpdate = false;
FoeClientMessage.DownloadMessages();
// Check if there is any update that's newer than what are currently displayed
List <FoeClientCatalogItem> catalog = FoeClientCatalog.GetAll();
foreach (FoeClientCatalogItem item in catalog)
{
if (item.DtLastUpdated > _lastUpdated)
{
// Set timer to normal interval
timerCheckUpdate.Interval = _checkInterval;
// Redisplay feed
DisplayFeeds();
// record keeping
hasUpdate = true;
tssStatus.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " updated feeds.";
_lastUpdated = DateTime.Now;
break;
}
}
if (!hasUpdate)
{
tssStatus.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " no new feeds.";
}
}
catch (Exception)
{
tssStatus.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " error .";
}
}
private void LoadCatalog()
{
try
{
// Clear existing catalog in menu
miSubscribe.DropDownItems.Clear();
// Load catalog from DB
List <FoeClientCatalogItem> catalog = FoeClientCatalog.GetAll();
foreach (FoeClientCatalogItem item in catalog)
{
ToolStripMenuItem newMenu = new ToolStripMenuItem(item.Code);
newMenu.Tag = item;
newMenu.Click += miSubscribe_Click;
newMenu.Checked = item.IsSubscribed;
miSubscribe.DropDownItems.Add(newMenu);
}
}
catch (Exception)
{
MessageBox.Show("Error loading catalog. Data file probably corrupted, please reinstall Foe. Program will now close.");
Close();
}
}
private void DisplayFeeds()
{
//string rssURL = "http://www.ckxx.info/rss/rss.xml";
//WebClient client = new WebClient();
////XmlTextReader client = new XmlTextReader(rssURL);
//byte[] feedBytes = client.DownloadData(rssURL);
//// Change feed to base64
//string feed64 = Convert.ToBase64String(feedBytes);
//string feed = Encoding.UTF8.GetString(feedBytes);
//XmlDocument feedRss = new XmlDocument();
//feedRss.Load(rssURL);
try
{
wbFeedDisplay.DocumentText = "";
string html =
"<html><head><meta http-equiv=\"content-type\" content=\"text/html; charset=UTF-8\"></head>" +
"<body bgcolor=\"#ffffff\" style=\"font-family:Verdana,Arial;font-size:10px;margin:0px;\">\n";
List <FoeClientCatalogItem> catalog = FoeClientCatalog.GetAll();
foreach (FoeClientCatalogItem item in catalog)
{
if (item.IsSubscribed)
{
// Add a header
html += "<table border=\"0\" cellpadding=\"4\" cellspacing=\"0\" width=\"100%\" style=\"font-family:Verdana,Arial;font-size:13px;\">\n" +
"<tr><td bgcolor=\"#CCCCFF\"><b>" + item.Code + "</b></td></tr>\n";
// Check if feed file is available
try
{
// Parse RSS
XmlTextReader rssReader = new XmlTextReader(@"rss\\" + item.Code + ".rss");
XmlDocument rssDoc = new XmlDocument();
// Load the XML content into a XmlDocument
rssDoc.Load(rssReader);
XmlNodeList news = rssDoc.GetElementsByTagName("item");
bool isGray = false;
foreach (XmlNode newsItem in news)
{
html += "<tr><td bgcolor=\"" + (isGray ? "#F7F7F7" : "#FFFFFF") + "\">";
html += "<a target=\"foe\" href=\"" + newsItem["link"].InnerText + "\" style=\"color:#0000ff;text-decoration:none;\">" + newsItem["title"].InnerText + "</a><br>\n";
//html += "<a href=\"#\" onclick=\"window.external.LoadPage('" + newsItem["link"].InnerText + "')\" style=\"color:#0000ff;text-decoration:none;\">" + newsItem["title"].InnerText + "</a><br>\n";
html += "</td></tr>\n";
isGray = !isGray;
}
}
catch (Exception)
{
// RSS file doesn't exist.
// Can't do much, probably feed hasn't arrived yet.
}
html += "</table><br /> <br />\n";
}
}
html += "</body></html>";
wbFeedDisplay.Document.OpenNew(true);
wbFeedDisplay.DocumentText = html;
}
catch (Exception)
{
tssStatus.Text = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " error displaying feeds.";
}
}
