/**
* Subscribes a Use to an Exercise.
*
* @param Exercise $exercise
* @param User $user
* @param bool $flush
*
* @return SubscriptionManager
*/
public function subscribe(Exercise $exercise, User $user, $flush = false)
{
$subscription = new Subscription();
$subscription->setUser($user);
$subscription->setExercise($exercise);
$subscription->setAdmin(true);
$subscription->setCreator(true);
$this->om->persist($subscription);
if ($flush) {
$this->om->flush();
}
return $this;
}
