/**
  * @param $tournament
  * @var $trn Tournaments
  * @return string|\yii\web\Response
  */
 public function actionAlias($tournament)
 {
     //getting the list of teams for the tournament
     $teams = TeamTournaments::getTournamentParticipantsTeams($tournament);
     $trn = Tournaments::findOne($tournament);
     if (TeamTournaments::loadMultiple($teams, Yii::$app->request->post())) {
         foreach ($teams as $team) {
             $team->save(false);
         }
         return $this->redirect(['tournaments/update', 'id' => $trn->id_tournament]);
     }
     return $this->render('aliasAssign', compact('teams', 'trn'));
 }