/**
* @param DateTimeInterval $interval
* @param \DateTime $date
* @return static
*/
public static function fromDateTimeInterval(DateTimeInterval $interval, \DateTime $date) : SingleDayTimeInterval
{
$thisDayInterval = self::buildWholeDayInterval($date);
/** @var DateTimeInterval $intersection */
$intersection = $thisDayInterval->getIntersection($interval);
if ($intersection === NULL) {
throw new InvalidArgumentException('Given day does not hits given interval. No intersection possible.');
}
$left = SingleDayTime::fromDateTime($intersection->getLeft()->getValue());
$right = SingleDayTime::fromDateTime($intersection->getRight()->getValue());
return new static(new SingleDayTimeBoundary($left, $intersection->getLeft()->getState()), new SingleDayTimeBoundary($right, $intersection->getRight()->getState()));
}
/**
* @param SingleDayTime $other
* @param int $sign -1 (sub) or 1 (add)
* @throws ModificationNotPossibleException
*/
private function addOrSub(SingleDayTime $other, int $sign)
{
$seconds = $this->seconds;
$minutes = $this->minutes;
$hours = $this->hours;
$seconds += $sign * $other->getSeconds();
$carryMinutes = 0;
if ($seconds > 59 || $seconds < 0) {
$carryMinutes = 1;
$seconds += -$sign * 60;
}
$minutes += $sign * ($other->getMinutes() + $carryMinutes);
$carryHours = 0;
if ($minutes > 59 || $minutes < 0) {
$carryHours = 1;
$minutes += -$sign * 60;
}
$hours += $sign * ($other->getHours() + $carryHours);
$this->validateModification($hours, $sign);
$this->seconds = $seconds;
$this->minutes = (int) $minutes;
$this->hours = (int) $hours;
}
/**
* @param string $string
* @return SingleDayTimeBoundary
*/
protected static function parseBoundary(string $string) : Boundary
{
list($elementString, $state) = self::parseBoundaryDataFromString($string);
return new SingleDayTimeBoundary(SingleDayTime::from($elementString), $state);
}
/**
* @param \DateTime|string|int $element
* @param bool $state
* @return SingleDayTimeBoundary
*/
public static function create($element, bool $state) : SingleDayTimeBoundary
{
return new SingleDayTimeBoundary(SingleDayTime::from($element), $state);
}
