public function actionCreate($label)
 {
     $model = new ContentRecord();
     if ($model->load(Yii::$app->request->post()) && $model->save()) {
         $imageName = $model->name;
         //get the instance of uploaded file
         $model->{$label} = UploadedFile::getInstance($model, $label);
         $model->{$label}->saveAs('Uploads/' . $imageName . '.' . $model->{$label}->extension);
         // save the path in db
         $model->address = 'Uploads/' . $imageName . '.' . $model->{$label}->extension;
         $model->save();
         return $this->redirect(['content/view', 'id' => $model->id]);
     } else {
         return $this->render('create', ['model' => $model, 'label' => $label]);
     }
 }
 /**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = ContentRecord::find();
     $dataProvider = new ActiveDataProvider(['query' => $query]);
     $this->load($params);
     if (!$this->validate()) {
         // uncomment the following line if you do not want to return any records when validation fails
         // $query->where('0=1');
         return $dataProvider;
     }
     $query->andFilterWhere(['id' => $this->id, 'topic_id' => $this->topic_id]);
     $query->andFilterWhere(['like', 'name', $this->name]);
     return $dataProvider;
 }
 /**
  * Finds the ContentRecord model based on its primary key value.
  * If the model is not found, a 404 HTTP exception will be thrown.
  * @param integer $id
  * @return ContentRecord the loaded model
  * @throws NotFoundHttpException if the model cannot be found
  */
 protected function findModel($id)
 {
     if (($model = ContentRecord::findOne($id)) !== null) {
         return $model;
     } else {
         throw new NotFoundHttpException('The requested page does not exist.');
     }
 }