// for creates
// throws event doesn't exist exception
// throws not found exception
// throws attendeeOverlay
public static void AttendeeOverlay(DateTime?start, DateTime?end, IList <EventAttendee> eventAttendees, string calendarId)
{
// tests if there are attendees added
if (eventAttendees == null)
{
// no attendees == no tests needed = no overlay
return;
}
// can throw event doesn't exist exception
var events = Eventss.IgetAllNotDeletedEvent(calendarId);
// tests if there are any events
if (events != null)
{
foreach (var ev in events.Items)
{
foreach (var attendee in eventAttendees)
{ // tests the overlay
if (ev.Attendees != null && ev.Attendees.Contains(attendee))
{ // tests the overlay
if (Math.Max(end.Value.Ticks, ev.End.DateTime.Value.Ticks) - Math.Min(start.Value.Ticks, ev.Start.DateTime.Value.Ticks) < (end.Value.Ticks - start.Value.Ticks) + (ev.End.DateTime.Value.Ticks - ev.Start.DateTime.Value.Ticks))
{ // overlay
throw new AttendeeOverlayException("attendee overlay");
}
}
}
}
}
// there are no events = no test needed = no overlay
return;
}
// for updated
// throws event doesn't exist exception
// throws not found exception
// throws locationOverlay
public static void LocationOverlay(DateTime?start, DateTime?end, string location, string calendarId, string eventId)
{
// can throw event doesn't exist exception
var events = Eventss.IgetAllNotDeletedEvent(calendarId);
// tests if there are any events
if (events != null)
{
foreach (Event ev in events.Items)
{ // tests the overlay
if (ev.Location == location)
{ // tests the overlay
if (Math.Max(end.Value.Ticks, ev.End.DateTime.Value.Ticks) - Math.Min(start.Value.Ticks, ev.Start.DateTime.Value.Ticks) < (end.Value.Ticks - start.Value.Ticks) + (ev.End.DateTime.Value.Ticks - ev.Start.DateTime.Value.Ticks))
{ // makes sure the overlay is not from the notUpdated version of the event
if (eventId != ev.Id)
{ // overlay
throw new LocationOverlayException("there is an location overlay");
}
}
}
}
}
// there are no events = no test needed = no overlay
return;
}
