/**
* @return \yii\db\ActiveQuery
*/
public function getTariffGroups()
{
return $this->hasMany(TariffGroup::className(), ['parent_id' => 'id']);
}
/**
* Finds the TariffGroup model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return TariffGroup the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = TariffGroup::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
/**
* @return \yii\db\ActiveQuery
*/
public function getTariffGroup()
{
return $this->hasOne(TariffGroup::className(), ['id' => 'tariff_group_id']);
}