public function teams_selected()
 {
     $teams = Team::model()->findAllByAttributes(array('tournament_id' => $this->id));
     $players = PlayerTournament::model()->findAllByAttributes(array('tournament_id' => $this->id));
     return count($teams) == count($players) && count($teams) > 0;
 }
 public function actionRedrawTeams()
 {
     if (Yii::app()->request->isPostRequest) {
         throw new CHttpException(400, 'Invalid request. Please do not repeat this request again.');
     }
     $message = 'fail';
     if (isset($_GET['data'])) {
         $tournament_id = $_GET['data']['tournament_id'];
         $tournament = Tournament::model()->findByPk($tournament_id);
         $teams = $tournament->teams;
         $ids = array();
         foreach ($teams as $player) {
             $ids[] = $player->challonge_participant_id;
         }
         if (count($ids)) {
             $c = new ChallongeAPI(Yii::app()->params['challonge_api']);
             foreach (array_unique($ids) as $challonge_id) {
                 if ($challonge_id) {
                     $c->deleteParticipant($tournament->challonge_id, $challonge_id);
                 }
             }
         }
         $deleted = Team::model()->deleteAllByAttributes(array('tournament_id' => $tournament_id));
         $updated = PlayerTournament::model()->updateAll(array('chip_pulled' => null), 'tournament_id = ' . $tournament_id);
         if ($deleted > 0 && $updated > 0) {
             $message = 'success';
         }
     }
     echo CJSON::encode(array('status' => $message));
 }