private function spawnActivationEvent(Area $area, $output)
{
if ($output instanceof CourseProgress) {
$this->eventDispatcher->dispatch(MilestoneEvents::ACTIVATION_EVENT, new ActivationEvent($area->getProject(), $area->getEntity(), 'course.completed', function () use($output) {
if ($output->getMandatoryCourseNum() == 0) {
return NewMilestoneStatus::create(100);
} else {
return NewMilestoneStatus::create((int) ($output->getPassedCourseNum() / $output->getMandatoryCourseNum() * 100));
}
}));
}
}