/**
* Set the current time of the running assessment test session.
*
* @param \DateTime $time
*/
public function setTime(DateTime $time)
{
// Force $time to be UTC.
$time = Time::toUtc($time);
if ($this->hasTimeReference() === true) {
if ($this->getState() === AssessmentTestSessionState::INTERACTING) {
$diffSeconds = abs(Time::timeDiffSeconds($this->getTimeReference(), $time));
$diffDuration = new QtiDuration("PT{$diffSeconds}S");
// Update the duration store.
$routeItem = $this->getCurrentRouteItem();
$durationStore = $this->getDurationStore();
$assessmentTestDurationId = $routeItem->getAssessmentTest()->getIdentifier();
$testPartDurationId = $routeItem->getTestPart()->getIdentifier();
$assessmentSectionDurationIds = $routeItem->getAssessmentSections()->getKeys();
foreach (array_merge(array($assessmentTestDurationId), array($testPartDurationId), $assessmentSectionDurationIds) as $id) {
$durationStore[$id]->add($diffDuration);
}
// Adjust durations if they exceed the time limits in force.
$timeConstraints = $this->getTimeConstraints();
foreach ($timeConstraints as $timeConstraint) {
if ($timeConstraint->maxTimeInForce() === true) {
$identifier = $timeConstraint->getSource()->getIdentifier();
$maxTime = $timeConstraint->getSource()->getTimeLimits()->getMaxTime();
if (($duration = $durationStore[$identifier]) !== null && $duration->longerThanOrEquals($maxTime)) {
$durationStore[$identifier] = clone $maxTime;
}
}
}
// Let's update item sessions time.
foreach ($this->getAssessmentItemSessionStore()->getAllAssessmentItemSessions() as $itemSession) {
$itemSession->setTime($time);
}
// Let's now check if the test itself, the current test part
// or current sections are timed out. If it's the case, we will
// have to close some item sessions.
foreach ($timeConstraints as $timeConstraint) {
if ($timeConstraint->maxTimeInforce() && $timeConstraint->getMaximumRemainingTime()->getSeconds(true) === 0) {
$routeItemsToClose = new RouteItemCollection();
$route = $this->getRoute();
$source = $timeConstraint->getSource();
if ($source instanceof AssessmentTest) {
$this->endTestSession();
break;
} elseif ($source instanceof TestPart) {
$routeItemsToClose = $route->getRouteItemsByTestPart($source);
} elseif ($source instanceof AssessmentSection) {
$routeItemsToClose = $route->getRouteItemsByAssessmentSection($source);
}
if (count($routeItemsToClose) > 0) {
foreach ($routeItemsToClose as $routeItem) {
$itemRef = $routeItem->getAssessmentItemRef();
$occurence = $routeItem->getOccurence();
$session = $this->getItemSession($itemRef, $occurence)->endItemSession();
}
break;
}
}
}
}
}
// Update reference time with $time.
$this->setTimeReference($time);
}
/**
* Set the current time of the running assessment item session.
*
* If the session is in INTERACTING mode, the difference between the last time reference provided
* with the previous call on the setTime() method and $time will be computed. This
* time difference will be added to the current value of the built-in outcome variable
* 'duration'.
*
* If the value of the built-in outcome variable 'duration' exceeds the maximum time limit
* in force, the session will be closed by performing an internal call to the endItemSession()
* method.
*
* @param \DateTime $time The current time that will be taken into account for all next interactions with the object.
* @see \qtism\runtime\tests\AssessmentItemSession::endItemSession() The endItemSession() method.
*/
public function setTime(DateTime $time)
{
// Force time to be UTC.
$time = Time::toUtc($time);
if ($this->hasTimeReference() === true) {
if ($this->getState() === AssessmentItemSessionState::INTERACTING) {
// The session state is INTERACTING. Thus, we need to update the built-in
// duration variable.
$diffSeconds = Time::timeDiffSeconds($this->getTimeReference(), $time);
$diffDuration = new QtiDuration("PT{$diffSeconds}S");
$this['duration']->add($diffDuration);
}
if ($this->isMaxTimeReached() === true) {
// -- Maximum time is reached, close the session.
// Limit duration to max time if needed.
$tl = $this->getTimeLimits();
if (($maxTime = $tl->getMaxTime()) !== null && $maxTime->shorterThan($this['duration']) === true) {
$newDuration = clone $maxTime;
$this['duration'] = $newDuration;
}
$this->endItemSession();
}
}
// Update reference time with $time.
$this->setTimeReference($time);
}
public function testBasicToUtc()
{
$originalTime = DateTime::createFromFormat('Y-m-d G:i:s', '2014-07-15 16:56:20', new DateTimeZone('Europe/Luxembourg'));
$utcTime = TimeUtils::toUtc($originalTime);
$this->assertEquals('2014-07-15 14:56:20', $utcTime->format('Y-m-d H:i:s'));
}