/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = Productpricehistories::find();
     $dataProvider = new ActiveDataProvider(['query' => $query]);
     if (!($this->load($params) && $this->validate())) {
         return $dataProvider;
     }
     $query->andFilterWhere(['ProductPriceHistoryId' => $this->ProductPriceHistoryId, 'ProductId' => $this->ProductId, 'ProductOptionCombinationId' => $this->ProductOptionCombinationId, 'ProductOptionPriceId' => $this->ProductOptionPriceId, 'OldPrice' => $this->OldPrice, 'NewPrice' => $this->NewPrice, 'created_by' => $this->created_by, 'LastUpdatedBy' => $this->LastUpdatedBy, 'created_at' => $this->created_at, 'updated_at' => $this->updated_at, 'deleted_at' => $this->deleted_at]);
     $query->andFilterWhere(['like', 'Comment', $this->Comment]);
     return $dataProvider;
 }
 /**
  * @return \yii\db\ActiveQuery
  */
 public function getProductpricehistories()
 {
     return $this->hasMany(Productpricehistories::className(), ['ProductOptionPriceId' => 'ProductOptionPriceId']);
 }
 /**
  * Finds the Productpricehistories model based on its primary key value.
  * If the model is not found, a 404 HTTP exception will be thrown.
  * @param integer $id
  * @return Productpricehistories the loaded model
  * @throws NotFoundHttpException if the model cannot be found
  */
 protected function findModel($id)
 {
     if (($model = Productpricehistories::findOne($id)) !== null) {
         return $model;
     } else {
         throw new NotFoundHttpException('The requested page does not exist.');
     }
 }