public function touch(DeligatedUser $user)
{
// Check if we already have this one.
$original = $this->getFromUniqueID($user->getType(), $user->getUniqueId());
if ($original) {
$original->merge($user);
$this->update($original);
return $original;
} else {
$this->create($user);
return $user;
}
}
