/**
* @param string $email
* @param string|NULL $listName
*/
public function unsubscribe($email, $listName = NULL)
{
$subscriber = Subscriber::where('email', $email)->first();
if (is_null($subscriber)) {
return;
}
foreach ($subscriber->lists as $list) {
if ($list->name == $listName || $listName === NULL) {
$list->subscribers()->detach($subscriber);
}
}
if (is_null($listName)) {
$subscriber->delete();
}
}
