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SendAppointment Method ASP.NET ,ICalendar format

Feb 23 2005
2511

/// Sends a appointment in a ICalendar format.
/// Date of the meeting.
/// Start time of the meeting.
/// End time of the meeting.
/// Subject of the Meeting.
/// Name of the attendees for the meeting.
/// Email addresses of the attendess,seperated by ;.
/// Email address of the organizer.
/// Path of the current working directory.
/// bool indicating the status of the method call.
/// Need to give the current working directory path as the meeting request is
/// stored in the current directory before attaching it to the mail.
/// Will be adding more customisations in the parameters. and a class to encapsulate the parameter passing.
/// meetingRequest.CreateMeeting("12/3/2004",
///"12:30:00 PM",
///"12:50:00 PM",
///"Discuss demo issues",
///"we need to have this meeting to discuss certain issues related to demo.",
///"Conference room 1st floor",
///shounak pandit,
///"c:\\prj\\temp"); currently requires the filepath to store the ICalendar file in.
////
 
public bool SendAppoinment(string startDate,
string startTime,
string endTime,
string subject,
string summary,
string location,
string attendeeName,
string attendeeEmail,
string organizerEmail,
string filePath)
{
 
const string c_strTimeFormat = "yyyyMMdd\\THHmmss\\Z";
string strStartTime="";
string strEndTime="";
string strTimeStamp="";
string strTempStartTime ="";
string strTempEndTime = "";
string vCalendarFile = "";
 
// VCalendar Format.
const string VCAL_FILE =
"BEGIN:VCALENDAR\n" +
"VERSION:1.0\n" +
"BEGIN:VEVENT\n" +
"DTSTART{0}\n" +
"DTEND{1}\n" +
"LOCATION;ENCODING=QUOTED-PRINTABLE:{2}\n" +
"DESCRIPTION;ENCODING=QUOTED-PRINTABLE:{3}\n" +
"SUMMARY;ENCODING=QUOTED-PRINTABLE:{4}\n" +
"TRIGGER:-PT15M\n" +
"PRIORITY:3\n" +
"END:VEVENT\n" +
"END:VCALENDAR" ;
 
try
{
 
DateTime dtmStartDate = DateTime.Parse(startDate.ToString());
DateTime dtmStartTime = DateTime.Parse(startDate + " " + startTime.ToString());
DateTime dtmEndTime = DateTime.Parse(startDate + " " + endTime.ToString());
strTempStartTime = string.Format("{0} {1}",
dtmStartDate.ToShortDateString(),dtmStartTime.ToLongTimeString());
strTempEndTime = string.Format("{0} {1}",
dtmStartDate.ToShortDateString(),dtmEndTime.ToLongTimeString());
strTimeStamp = (DateTime.Parse(strTempStartTime)).ToUniversalTime().ToString(c_strTimeFormat);
strStartTime = string.Format(":{0}", strTimeStamp);
strEndTime = string.Format(":{0}",
(DateTime.Parse(strTempEndTime)).ToUniversalTime().ToString(c_strTimeFormat));
 
vCalendarFile =
String.Format(VCAL_FILE, strStartTime, strEndTime, location, summary, subject , strTimeStamp, attendeeEmail.Trim() , "shaunak", attendeeName.Trim(), attendeeEmail.Trim(), organizerEmail.Trim());
 
filePath += "\\" + subject+ ".ics";
TextWriter tw = new StreamWriter(filePath);
 
// write a line of text to the file
tw.WriteLine(vCalendarFile.ToString());
 
// close the stream
tw.Close();
 
// Create object for sending mails
 
MailMessage mail = new MailMessage();
mail.To = attendeeEmail.Trim();
mail.From = organizerEmail.Trim();
mail.Subject = "You have got a Appointment.";
 
// create the attachment
MailAttachment attachment = new MailAttachment(filePath, MailEncoding.UUEncode);
// Attach
mail.Attachments.Add( attachment );
SmtpMail.SmtpServer = _smtpServer;
SmtpMail.Send( mail );
 
}
catch (Exception ex)
{
throw new Exception(ex.Message + "for email address : " + attendeeEmail.Trim() + ";"
,ex.InnerException);
}
return true;
}
 
)
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