could::correctWorkTime

public function correctWorkTime(DateTime $startDate, Datetime $endDate, $duration)
{
	if (!$this->getMatchWorkTime())
	{
		return; // do nothing, dates are okay already
	}
	else
	{
		$calendar = Calendar::getInstance();

		if(!$calendar->isWorkTime($startDate))
		{
			$this->setStartDatePlanUserTimeGmt($calendar->getClosestWorkTime($startDate, true)->toStringGmt());
			$this->setEndDatePlanUserTimeGmt($calendar->calculateEndDate($startDate, $duration)->toStringGmt());
		}
		else
		{
			$this->setEndDatePlanUserTimeGmt($calendar->calculateEndDate($startDate, $duration)->toStringGmt());
		}
	}
}