/// <summary>
/// Processes the news feed.
/// </summary>
/// <param name="subscriptionUrl">The RSS URL.</param>
public static ArrayList ProcessNewsFeed(string subscriptionUrl)
{
if (subscriptionUrl == null) throw new ArgumentNullException("subscriptionUrl");
ArrayList returnList = new ArrayList();
try
{
WebRequest myRequest = WebRequest.Create(subscriptionUrl);
WebResponse myResponse = myRequest.GetResponse();
Stream rssStream = myResponse.GetResponseStream();
XmlDocument rssDoc = new XmlDocument();
if (rssStream != null) rssDoc.Load(rssStream);
XmlNodeList rssItems = rssDoc.SelectNodes("rss/channel/item");
if (rssItems != null)
foreach (XmlNode currentRssItem in rssItems)
{
var tempNewsItem = new NewsItem();
//Gets the title of the current RSS node.
XmlNode rssDetail = currentRssItem.SelectSingleNode("title");
tempNewsItem.Title = rssDetail != null ? rssDetail.InnerText : "";
//Gets the links of the current RSS node.
rssDetail = currentRssItem.SelectSingleNode("link");
tempNewsItem.Link = rssDetail != null ? rssDetail.InnerText : "";
//Gets the description of the current RSS node.
rssDetail = currentRssItem.SelectSingleNode("description");
tempNewsItem.Description = rssDetail != null ? rssDetail.InnerText : "";
//Add the temporary news item to the return ArrayList.
returnList.Add(tempNewsItem);
}
}
catch (Exception ex)
{
ErrorHandler.HandleException(ex);
}
return returnList;
}
public static List<NewsItem> GetNewsItemList()
{
List<NewsItem> returnData = new List<NewsItem>();
try
{
using (SQLiteConnection sqLiteConnection = new SQLiteConnection(ConnectionString))
{
sqLiteConnection.Open();
SQLiteCommand sqLiteCommand = new SQLiteCommand(sqLiteConnection)
{
CommandText = "SELECT * " +
"FROM NEWS_STORAGE "
};
SQLiteDataReader reader = sqLiteCommand.ExecuteReader();
DataTable dataTable = new DataTable();
dataTable.Load(reader);
for (int i = 0; i < dataTable.Rows.Count; i++)
{
NewsItem newsItem = new NewsItem
{
Title = dataTable.Rows[i][1] as string,
Link = dataTable.Rows[i][2] as string,
Description = dataTable.Rows[i][3] as string,
AquisitionDate = dataTable.Rows[i][5] as DateTime?
};
returnData.Add(newsItem);
}
reader.Close();
sqLiteConnection.Close();
}
}
catch (Exception ex)
{
ErrorHandler.HandleException(ex);
}
return returnData;
}
protected void UpdateNewsItemDisplay(NewsItem item)
{
newsTitleLabel.Content = item.Title;
newsUrlLabel.Content = item.Link;
newsDescriptionTextBlock.Text = item.Description;
}