TbToggleAction.php

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<?php
class TbToggleAction extends CAction
{
        public $modelName;

        public $exceptionOnNullModel = true;

        public $additionalCriteriaOnLoadModel = array();

        public $redirectRoute;

        public $yesValue = 1;

        public $noValue = 0;

        public $ajaxResponseOnSuccess = 1;

        public $ajaxResponseOnFailed = 0;


        public function run() {
                
                $pk = Yii::app()->request->getParam('pk');
                $attribute = Yii::app()->request->getParam('attribute');
                
                if (Yii::app()->getRequest()->isPostRequest) {
                        $model = $this->loadModel($pk);
                        $model->$attribute = ($model->$attribute == $this->noValue) ? $this->yesValue : $this->noValue;
                        $success = $model->save(false, array($attribute));

                        if (Yii::app()->getRequest()->isAjaxRequest) {
                                echo $success ? $this->ajaxResponseOnSuccess : $this->ajaxResponseOnFailed;
                                exit(0);
                        }
                        if ($this->redirectRoute !== null) {
                                $this->getController()->redirect($this->redirectRoute);
                        }
                } else {
                        throw new CHttpException(Yii::t('zii', 'Invalid request'));
                }
        }

        protected function loadModel($id)
        {
                $finder = CActiveRecord::model($this->modelName);
                if ($this->additionalCriteriaOnLoadModel) {
                        $c = new CDbCriteria($this->additionalCriteriaOnLoadModel);
                        $c->mergeWith(
                                array(
                                        'condition' => $finder->tableSchema->primaryKey . '=:id',
                                        'params' => array(':id' => $id),
                                )
                        );
                        $model = $finder->find($c);
                } else {
                        $model = $finder->findByPk($id);
                }

                if (!$model)
                        throw new CHttpException(404, 'Unable to find the requested object.');

                return $model;
        }
}