/**
* Get the next offering for this course
*/
public function getNextOffering()
{
/**
* Filter out offerings which are not available
*/
$this->getOfferings()->filter(function ($offering) {
return $offering->getStatus() == Offering::COURSE_NA;
});
$offerings = $this->getOfferings();
if ($offerings->isEmpty()) {
//TODO: Handle it correctly
// Create a offering
$offering = new Offering();
$offering->setCourse($this);
$offering->setId(-1);
$offering->setUrl($this->getUrl());
$dt = new \DateTime();
$dt->add(new \DateInterval("P1Y"));
$offering->setStartDate($dt);
$offering->setStatus(Offering::START_DATES_UNKNOWN);
return $offering;
}
$nextOffering = $offerings->first();
$now = new \DateTime();
$upcoming = array();
foreach ($offerings as $offering) {
if ($offering->getStartDate() > $now) {
$upcoming[] = $offering;
}
if ($offering->getStartDate() > $nextOffering->getStartDate()) {
$nextOffering = $offering;
}
}
if (count($upcoming) > 1) {
// Multiple upcoming. Pick the earliest one
$nextOffering = array_pop($upcoming);
foreach ($upcoming as $offering) {
if ($offering->getStartDate() < $nextOffering->getStartDate()) {
$nextOffering = $offering;
}
}
}
return $nextOffering;
}
private function buildOffering($id, $date, $state)
{
$o = new Offering();
$o->setId($id);
$o->setStartDate($date);
// End date
$endDate = clone $date;
$endDate->add(new \DateInterval("P1M"));
$o->setEndDate($endDate);
$o->setStatus($state);
return $o;
}
