/**
* @param $start DateTime
* @param $end DateTime
* @param $resolution int
*
* Clamps the datetimes down to the nearest resolution step.
* Also move the end datetime to the next step, so that
* the entire step is included in the result.
*
* @throws InvalidArgumentException
*/
public static function normalizeTimeRange(&$start, &$end, $resolution)
{
if ($resolution == Resolution::MINUTE) {
$start = DateTimeHelper::clampToMinute($start);
$end = DateTimeHelper::clampToMinute($end);
$end->add(DateInterval::createFromDateString('1 minute'));
} else {
if ($resolution == Resolution::FIVE_MINUTES) {
$start = DateTimeHelper::clampToFiveMin($start);
$end = DateTimeHelper::clampToFiveMin($end);
$end->add(DateInterval::createFromDateString('5 minutes'));
} else {
if ($resolution == Resolution::FIFTEEEN_MINUTES) {
$start = DateTimeHelper::clampToFifteenMin($start);
$end = DateTimeHelper::clampToFifteenMin($end);
$end->add(DateInterval::createFromDateString('15 minutes'));
} else {
if ($resolution == Resolution::HOUR) {
$start = DateTimeHelper::clampToHour($start);
$end = DateTimeHelper::clampToHour($end);
$end->add(DateInterval::createFromDateString('1 hour'));
} else {
if ($resolution == Resolution::DAY) {
$start = DateTimeHelper::clampToDay($start);
$end = DateTimeHelper::clampToDay($end);
$end->add(DateInterval::createFromDateString('1 day'));
} else {
throw new InvalidArgumentException('Invalid resolution given');
}
}
}
}
}
}
