/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = Cities::find();
//->with('country');
$query->joinWith(['country']);
$dataProvider = new ActiveDataProvider(['query' => $query]);
// Lets do the same with country now
$dataProvider->sort->attributes['country'] = ['asc' => ['country.name' => SORT_ASC], 'desc' => ['country.name' => SORT_DESC]];
$this->load($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(['like', 'country_code', $this->country_code])->andFilterWhere(['like', 'city_code', $this->city_code])->andFilterWhere(['like', 'city_name', $this->city_name]);
$query->andFilterWhere(['like', 'country.name', $this->country]);
return $dataProvider;
}
/**
* @return \yii\db\ActiveQuery
*/
public function getCities()
{
return $this->hasMany(Cities::className(), ['country_code' => 'code']);
}
/**
* Finds the Cities model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param string $id
* @return Cities the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Cities::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}