/// <summary>
/// Merges the recurrence.
/// </summary>
/// <param name="outlookCalendarItem">The outlook calendar item.</param>
/// <param name="recurrence">The recurrence.</param>
/// <returns>True if Change.</returns>
public static bool MergeRecurrence(this AppointmentItem outlookCalendarItem, Recurrence recurrence)
{
if (recurrence != null && !string.IsNullOrWhiteSpace(recurrence.Value))
{
var result = false;
var outlookRecurrencePattern = outlookCalendarItem.GetRecurrencePattern();
var googleRecurrencePattern = RecurrenceSerializer.Deserialize(recurrence.Value);
try { result |= outlookCalendarItem.ApplyProperty(r => r.AllDayEvent, googleRecurrencePattern.AllDayEvent); } catch (TargetInvocationException) { }
result |= outlookRecurrencePattern.ApplyProperty(r => r.RecurrenceType, googleRecurrencePattern.RecurrenceType);
result |= outlookRecurrencePattern.ApplyProperty(r => r.PatternStartDate, googleRecurrencePattern.StartPattern.HasValue ? googleRecurrencePattern.StartPattern.Value.Date : DateTime.Today);
if (googleRecurrencePattern.EndPattern.HasValue)
{
result |= outlookRecurrencePattern.ApplyProperty(r => r.PatternEndDate, googleRecurrencePattern.EndPattern.Value.Date);
}
else
{
result |= outlookRecurrencePattern.ApplyProperty(r => r.NoEndDate, true);
}
result |= outlookRecurrencePattern.ApplyProperty(r => r.DayOfMonth, googleRecurrencePattern.DayOfMonth);
result |= outlookRecurrencePattern.ApplyProperty(r => r.DayOfWeekMask, googleRecurrencePattern.DayOfWeek);
result |= outlookRecurrencePattern.ApplyProperty(r => r.MonthOfYear, googleRecurrencePattern.MonthOfYear);
if (outlookRecurrencePattern.StartTime.TimeOfDay.Ticks != googleRecurrencePattern.StartTime.TimeOfDay.Ticks)
{
result |= outlookRecurrencePattern.ApplyProperty(r => r.StartTime, googleRecurrencePattern.StartTime);
}
if (outlookRecurrencePattern.EndTime.TimeOfDay.Ticks != googleRecurrencePattern.EndTime.TimeOfDay.Ticks)
{
result |= outlookRecurrencePattern.ApplyProperty(r => r.EndTime, googleRecurrencePattern.EndTime);
}
if (googleRecurrencePattern.Count.HasValue)
{
result |= outlookRecurrencePattern.ApplyProperty(r => r.Occurrences, googleRecurrencePattern.Count.Value);
}
if (googleRecurrencePattern.Interval.HasValue)
{
result |= outlookRecurrencePattern.ApplyProperty(r => r.Interval, googleRecurrencePattern.Interval.Value);
}
return(result);
}
if (outlookCalendarItem.RecurrenceState == OlRecurrenceState.olApptNotRecurring)
{
outlookCalendarItem.ClearRecurrencePattern();
return(true);
}
return(false);
}
