/**
* 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 $id
* @return City the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
$model = Yii::$app->db->cache(function ($db) use($id) {
return City::findOne($id);
}, Yii::$app->params['dbCacheValidTime']);
if ($model !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
/**
* Сохранение выбранных городов
* @param bool $insert
* @param array $changedAttributes
*/
public function afterSave($insert, $changedAttributes)
{
$oldCities = ArrayHelper::getColumn($this->cities, 'id');
$newCities = empty($this->ids_city) ? [] : $this->ids_city;
$diff = array_diff($oldCities, $newCities);
foreach ($diff as $idCity) {
$city = City::getById($idCity);
$this->unlink('cities', $city, true);
}
$diff = array_diff($newCities, $oldCities);
foreach ($diff as $idCity) {
$city = City::getById($idCity);
$this->link('cities', $city);
}
parent::afterSave($insert, $changedAttributes);
}
/**
* Получить город по ключу
* @param $idCity
* @return mixed
* @throws \Exception
*/
public static function getById($idCity)
{
return Yii::$app->db->cache(function ($db) use($idCity) {
return City::findOne($idCity);
}, Yii::$app->params['dbCacheValidTime']);
}
/**
* Добавление нового города из Кладр через Ajax
* @return array
*/
public function actionCityCreate()
{
$model = new City();
if ($model->load(Yii::$app->request->post())) {
Yii::$app->response->format = Response::FORMAT_JSON;
if ($model->save()) {
return ['status' => 'success', 'id' => $model->id, 'name' => $model->name];
} else {
return $model->getFormattedError();
}
}
}
