public function votequestion($post)
 {
     $role = Yii::app()->user->role;
     $userid = Yii::app()->user->getId();
     $question_id = $post['question_id'];
     $v = new QuestionVotes();
     $v->question_id = $question_id;
     $v->voted_by = $userid;
     $v->voted_user_type = $role;
     if ($v->save()) {
         $status = true;
     } else {
         $status = false;
         $return['message'] = $q->getErrors();
     }
     $question = Questions::model()->findByPk($question_id);
     $return['status'] = $status;
     $return['votecount'] = $question->voteCount;
     $return['id'] = $question_id;
     $this->renderJSON($return, $status);
 }
 /** 
  * Controller for viewing a
  * tag and loading up all questions
  * from within that tag
  */
 public function actionTag()
 {
     error_reporting(E_ALL);
     ini_set("display_errors", 1);
     $tag = Tag::model()->findByPk(Yii::app()->request->getParam('id'));
     // Find all questions with that tag
     $criteria = new CDbCriteria();
     $criteria->condition = "tag_id=:tag_id";
     $criteria->params = array(':tag_id' => $tag->id);
     $questions = Question::model()->with('tags')->findAll($criteria);
     // User has just voted on a question
     $questionVotesModel = new QuestionVotes();
     if (isset($_POST['QuestionVotes'])) {
         $questionVotesModel->attributes = $_POST['QuestionVotes'];
         $questionVotesModel->created_by = Yii::app()->user->id;
         if ($questionVotesModel->validate()) {
             // TODO: If the user has previously voted on this, drop it
             $previousVote = QuestionVotes::model()->find('post_id=:post_id AND created_by=:user_id', array('post_id' => $questionVotesModel->post_id, 'user_id' => Yii::app()->user->id));
             if ($previousVote) {
                 $previousVote->delete();
             }
             $questionVotesModel->save();
             $this->redirect($this->createUrl('//questionanswer/main/index'));
         }
     }
     $this->render('tags', array('tag' => $tag, 'questions' => Question::model()->tag_overview($tag->id)));
 }