/**
* @param User $user
* @throws \InvalidArgumentException if user isn't valid
* @throws \DomainException if username is taken
*/
public function create(User $user)
{
if (!$user->isValid()) {
throw new \InvalidArgumentException('User is not valid');
}
if ($this->getByUsername($user->getUsername())) {
throw new \DomainException('Username is taken');
}
$this->database->insert($user);
}
/**
* @param User $user
*/
public function login(User $user)
{
$this->user = $user;
$this->setSession($user->getUsername());
}