protected override void ProcessRecord()
{
AttendeeInfo attendee = new AttendeeInfo(this.EmailAddress, MeetingAttendeeType.Required, false);
List<AttendeeInfo> attendeeList = new List<AttendeeInfo>();
attendeeList.Add(attendee);
AvailabilityOptions options = new AvailabilityOptions();
options.MeetingDuration = 30;
options.RequestedFreeBusyView = FreeBusyViewType.FreeBusy;
GetUserAvailabilityResults freeBusyAvailability = this.EwsSession.GetUserAvailability(
attendeeList,
new TimeWindow(this.StartTime, this.EndTime),
AvailabilityData.FreeBusy,
options
);
foreach ( AttendeeAvailability availability in freeBusyAvailability.AttendeesAvailability )
{
if (availability.Result == ServiceResult.Success)
this.WriteObject(availability.CalendarEvents, true);
else
this.WriteObject(availability);
}
}
public static List<CalendarEvent> GetRoomAvailability(string roomAddress)
{
//short cache just to prevent crazy accesses
//it is recommended to keep this cache shorter than the page refresh
//otherwise the frequent refresh doesn't do any good
string RoomEventsKey = GetRoomEventsKey(roomAddress);
var returnValue = (List<CalendarEvent>)_memoryCache.Get(RoomEventsKey);
if (returnValue == null)
{
var attendee = new AttendeeInfo(roomAddress, MeetingAttendeeType.Room, false);
var results = _exchangeService.GetUserAvailability(new List<AttendeeInfo>() { attendee },
new TimeWindow(DateTime.Today, DateTime.Today.AddDays(1)),
AvailabilityData.FreeBusy);
returnValue = results.AttendeesAvailability.SelectMany(a => a.CalendarEvents).Select(e => new CalendarEvent()
{
Subject = e.Details.Subject,
StartTime = e.StartTime,
EndTime = e.EndTime,
Status = e.FreeBusyStatus.ToString()
}).OrderBy(e => e.StartTime).ToList();
//add the pending item if necessary
var pendingItem = (CalendarEvent)_memoryCache.Get(GetRoomPendingEventKey(roomAddress));
//match on StartTime/EndTime because we know its unique for a given room
if (pendingItem != null && !returnValue.Any(c => c.EndTime.Equals(pendingItem.EndTime) && c.StartTime.Equals(pendingItem.StartTime)))
{
returnValue.Add(pendingItem);
}
_memoryCache.Add(RoomEventsKey, returnValue, DateTime.Now.AddSeconds(45));
}
return returnValue;
//if we need attendee details in the future - use this
// var appointments = exchangeService.FindAppointments(new FolderId(WellKnownFolderName.Calendar,new Mailbox(roomAddress)),
// new CalendarView(DateTime.Today, DateTime.Today.AddDays(4)));
}
