public async Task <Unit> Handle(RemoveCalendarEventCommand command, CancellationToken cancellationToken)
        {
            var calendarEvent = await _calendarEventRepository.FindOne(command.Id);

            if (calendarEvent == null)
            {
                throw new ResourceNotFoundException();
            }

            await _calendarEventRepository.Remove(calendarEvent);

            return(Unit.Value);
        }