public function addTagsForUser($phrase, $userId)
{
// split phrase into individual tags
$tags = Tag::splitPhrase($phrase . ' ' . sfConfig::get('app_permanent_tag'));
// add tags
foreach ($tags as $tag) {
$questionTag = new QuestionTag();
$questionTag->setQuestionId($this->getId());
$questionTag->setUserId($userId);
$questionTag->setTag($tag);
try {
$questionTag->save();
} catch (PropelException $e) {
// duplicate tag for this user and question
}
}
}
