/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = Configuration::find();
     $dataProvider = new ActiveDataProvider(['query' => $query, 'sort' => ['defaultOrder' => ['group' => SORT_ASC, 'ordering' => SORT_ASC, 'key' => SORT_ASC]]]);
     $this->load($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, 'ordering' => $this->ordering]);
     $query->andFilterWhere(['like', 'key', $this->key])->andFilterWhere(['like', 'value', $this->value])->andFilterWhere(['like', 'group', $this->group])->andFilterWhere(['like', 'type', $this->type])->andFilterWhere(['like', 'description', $this->description])->andFilterWhere(['like', 'options', $this->options]);
     return $dataProvider;
 }
 /**
  * Finds the Configuration model based on its primary key value.
  * If the model is not found, a 404 HTTP exception will be thrown.
  * @param integer $id
  * @return Configuration the loaded model
  * @throws NotFoundHttpException if the model cannot be found
  */
 protected function findModel($id)
 {
     if (($model = Configuration::findOne($id)) !== null) {
         return $model;
     } else {
         throw new NotFoundHttpException('The requested page does not exist.');
     }
 }