/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = CityModel::find();
$dataProvider = new ActiveDataProvider(['query' => $query]);
$this->load($params);
if (!$this->validate()) {
// uncomment the following line if you do not want to any records when validation fails
// $query->where('0=1');
return $dataProvider;
}
$query->andFilterWhere(['ID' => $this->ID, 'Population' => $this->Population]);
$query->andFilterWhere(['like', 'Name', $this->Name])->andFilterWhere(['like', 'CountryCode', $this->CountryCode])->andFilterWhere(['like', 'District', $this->District]);
return $dataProvider;
}
/**
* @return \yii\db\ActiveQuery
*/
public function getCities()
{
return $this->hasMany(\giiant\world\models\City::className(), ['CountryCode' => 'Code']);
}
/**
* Finds the City model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $ID
* @return City the loaded model
* @throws HttpException if the model cannot be found
*/
protected function findModel($ID)
{
if (($model = City::findOne($ID)) !== null) {
return $model;
} else {
throw new HttpException(404, 'The requested page does not exist.');
}
}