public function userContributor($id)
 {
     $dbUser = new Model_DbTable_UserStoryContributor();
     $user_contributor = $dbUser->getByContributorId($id);
     return $user_contributor['nama'];
     //return nama user contributor
 }
 public function updateRating($id, $score_rating, $rating_status)
 {
     if ($rating_status == 1) {
         $db = new Model_DbTable_UserStory();
         $db->rating($id, $score_rating);
     } else {
         $db = new Model_DbTable_UserStoryContributor();
         $db->rating($id, $score_rating);
     }
 }
 public function deleteContributor($contributor_id)
 {
     $db = new Model_DbTable_UserStoryContributor();
     $db->deleteContributor($contributor_id);
 }