public static bool AddUpdateDeleteEvent(List <GoogleCalendarAppointmentModel> GoogleCalendarAppointmentModelList, List <GoogleTokenModel> GoogleTokenModelList, double TimeOffset)
{
//Get the calendar service for a user to add/update/delete events
CalendarService calService = GetCalendarService(GoogleTokenModelList[0]);
if (GoogleCalendarAppointmentModelList != null && GoogleCalendarAppointmentModelList.Count > 0)
{
foreach (GoogleCalendarAppointmentModel GoogleCalendarAppointmentModelObj in GoogleCalendarAppointmentModelList)
{
EventsResource er = new EventsResource(calService);
string ExpKey = "EventID";
string ExpVal = GoogleCalendarAppointmentModelObj.EventID;
var queryEvent = er.List(calID);
queryEvent.SharedExtendedProperty = ExpKey + "=" + ExpVal; //"EventID=9999"
var EventsList = queryEvent.Execute();
//to restrict the appointment for specific staff only
//Delete this appointment from google calendar
if (GoogleCalendarAppointmentModelObj.DeleteAppointment == true)
{
string FoundEventID = String.Empty;
foreach (Event evItem in EventsList.Items)
{
FoundEventID = evItem.Id;
if (!String.IsNullOrEmpty(FoundEventID))
{
er.Delete(calID, FoundEventID).Execute();
}
}
return(true);
}
//Add if not found OR update if appointment already present on google calendar
else
{
Event eventEntry = new Event();
EventDateTime StartDate = new EventDateTime();
EventDateTime EndDate = new EventDateTime();
StartDate.Date = GoogleCalendarAppointmentModelObj.EventStartTime.ToString("yyyy-MM-dd"); //"2014-11-17";
EndDate.Date = StartDate.Date; //GoogleCalendarAppointmentModelObj.EventEndTime
//Always append Extended Property whether creating or updating event
Event.ExtendedPropertiesData exp = new Event.ExtendedPropertiesData();
exp.Shared = new Dictionary <string, string>();
exp.Shared.Add(ExpKey, ExpVal);
eventEntry.Summary = GoogleCalendarAppointmentModelObj.EventTitle;
eventEntry.Start = StartDate;
eventEntry.End = EndDate;
eventEntry.Location = GoogleCalendarAppointmentModelObj.EventLocation;
eventEntry.Description = GoogleCalendarAppointmentModelObj.EventDetails;
eventEntry.ExtendedProperties = exp;
string FoundEventID = String.Empty;
foreach (var evItem in EventsList.Items)
{
FoundEventID = evItem.Id;
if (!String.IsNullOrEmpty(FoundEventID))
{
//Update the event
er.Update(eventEntry, calID, FoundEventID).Execute();
}
}
if (String.IsNullOrEmpty(FoundEventID))
{
//create the event
er.Insert(eventEntry, calID).Execute();
}
return(true);
}
}
}
return(false);
}
