/**
     * получение списка средств обучения по ajax
     *
     * @param null $name - название средства обучения
     * @param null $page - номер страницы
     *
     * @return \yii\web\Response
     */
    public function actionAjaxList($name = null, $page = null)
    {
        $directoryLearningToolSearch = new DirectoryLearningToolSearch(['name' => $name]);
        $directoryLearningToolActiveProvider = $directoryLearningToolSearch->getActiveDataProvider($page);

        $moreExists =  $page < $directoryLearningToolActiveProvider->pagination->pageCount;

        $learningToolNameList = [];
        /** @var DirectoryLearningTool $directoryLearningTool */
        foreach ($directoryLearningToolActiveProvider->models as $index => $directoryLearningTool) {
            $learningToolNameList[] = ['id' => $directoryLearningTool->name, 'text' => $directoryLearningTool->name];
        }

        return $this->asJson(['results' => $learningToolNameList, 'moreExists' => $moreExists]);
    }