/**
* Updates an existing Goods model.
* If update is successful, the browser will be redirected to the 'view' page.
* @param string $id
* @return mixed
*/
public function actionUpdate($id)
{
$model = $this->findModel($id);
$oldPrice = $model->price;
if ($model->load(Yii::$app->request->post()) && $model->save()) {
if ($oldPrice !== $model->price) {
//价格不同 就增加 价格修改日志
$goodspricelog = new GoodsPriceLog();
$goodspricelog->goods_id = $model->id;
$goodspricelog->price = $model->price;
$time = time();
$goodspricelog->year = date('Y', $time);
$goodspricelog->month = date('m', $time);
$goodspricelog->day = date('d', $time);
$x = $goodspricelog->save();
if (!$x) {
var_dump($goodspricelog);
die;
}
}
return $this->redirect(['view', 'id' => $model->id]);
} else {
return $this->render('update', ['model' => $model]);
}
}
/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = GoodsPriceLog::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, 'goods_id' => $this->goods_id, 'year' => $this->year, 'month' => $this->month, 'day' => $this->day, 'price' => $this->price, 'created_at' => $this->created_at, 'updated_at' => $this->updated_at]);
return $dataProvider;
}
/**
* Finds the GoodsPriceLog model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param string $id
* @return GoodsPriceLog the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = GoodsPriceLog::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
