public function seenAnnotationThanksModal()
{
if (!Auth::check()) {
throw new Exception("Unauthorized");
}
$userId = Auth::user()->id;
$userMeta = UserMeta::firstOrNew(array('user_id' => $userId, 'meta_key' => UserMeta::TYPE_SEEN_ANNOTATION_THANKS));
$userMeta->meta_value = true;
$userMeta->save();
}
