public async Task <bool> AddAsync(Calendars.Calendar customCalendar)
{
await CalendarService.AddOrUpdateCalendarAsync(customCalendar);
items.Add(customCalendar);
return(true);
}
public async Task <bool> UpdateAsync(Calendars.Calendar calendar)
{
await CalendarService.AddOrUpdateCalendarAsync(calendar);
var oldItem = items.Where(c => c.ExternalID == calendar.ExternalID).Single();
items.Remove(oldItem);
items.Add(calendar);
return(true);
}