public Rss CalendarError(int errorCode)
{
Rss _errorReturn = new Rss();
if (errorCode != 0) // verify error exists
{
_errorReturn.Link = "emailto:[email protected]"; // set for all errors
_errorReturn.PubDateString = DateTime.Now;
_errorReturn.Title = "Error Code = " + errorCode.ToString();
_errorReturn.Description = "Contact website administrator. ";
if (errorCode >= 1000) // XML error
{
errorCode -= 1000;
_errorReturn.Description += "XML error occured. Unable to retrieve calendar events.";
}
if (errorCode >= 100) // RSS error
{
errorCode -= 100;
_errorReturn.Description += "RSS error occured. Unable to retrieve calendar events.";
}
if (errorCode >= 10) // URL error
{
errorCode -= 10;
_errorReturn.Description += "URL error occured. Unable to retrieve calendar events.";
}
if (errorCode == 1) // Group ID error
{
errorCode -= 1;
_errorReturn.Description += "Group ID error. All events displayed.";
}
if (errorCode == 2) // Group ID error
{
_errorReturn.Description += "Number of days out of range. 7 days displayed.";
}
}
return(_errorReturn);
}
// Format for URL "http://calendar.churchart.com/Calendar/RSS.ashx?days=14&ci=L6N8N8J4I3I3O9L6I3&igd=";
/*
* Constructors
*/
/*
* Methods
*/
public IEnumerable <Rss> GetRssFeed(string groupID, string numDays, string rssURL)
{
// Local Data
int _errorCode = 0;
int _index;
string _groupIndex;
Uri uriResult;
bool GoodUrl;
// bool testUrl = true;
XDocument feedXml;
IEnumerable <Rss> returnData = new Rss[0];
// Validate Group ID
_index = Array.IndexOf(CalendarData.GroupIdTable, groupID);
if (_index < 0)
{
_errorCode = 1; // assign error code
_groupIndex = ""; // if group index is bad set to empty and continue
}
else
{
_groupIndex = CalendarData.GroupIdIndex[_index];
}
// Create URL and verify
var numDaysInteger = Convert.ToInt32(numDays);
if (numDaysInteger > 0 && numDaysInteger < 31)
{
rssFeedUrl = rssURL + "&days=" + numDays + "&igd=" + _groupIndex;
}
else if (numDaysInteger == 0) // Used for testing
{
rssFeedUrl = rssURL;
GoodUrl = Uri.TryCreate(rssFeedUrl, UriKind.Absolute, out uriResult) && uriResult.Scheme == Uri.UriSchemeHttp;
}
else
{
_errorCode += 2; // assign error code for out of range
numDays = "7"; // set to default value if out of range
rssFeedUrl = rssURL + "&days=" + numDays + "&igd=" + _groupIndex;
}
GoodUrl = Uri.TryCreate(rssFeedUrl, UriKind.Absolute, out uriResult) && uriResult.Scheme == Uri.UriSchemeHttp;
// Extract Data
if (GoodUrl)
{
try
{
feedXml = XDocument.Load(rssFeedUrl);
}
catch (Exception e)
{
feedXml = null;
}
if (feedXml != null)
{
var feeds = from feed in feedXml.Descendants("item")
select new Rss
{
Title = feed.Element("title").Value,
Link = feed.Element("link").Value,
//Description = Regex.Match(feed.Element("description").Value, @"^.{1,180}\b(?<!\s)").Value,
Description = feed.Element("description").Value,
PubDateString = Convert.ToDateTime(feed.Element("pubDate").Value).ToLocalTime()
};
if (feeds.Any())
{
returnData = feeds; // good XML data
}
else
{
_errorCode += 1000; // XML data corrupt
}
}
else
{
_errorCode += 100; // RSS data read error
}
}
else
{
// Process Bad URL
_errorCode += 10;
}
if (_errorCode > 0)
{
// if it was a groupid error all events are passed and error message is appended to the end
returnData = returnData.Concat(new[] { CalendarError(_errorCode) });
}
return(returnData);
}
