/**
* Updates an existing Books model.
* If update is successful, the browser will be redirected to the 'view' page.
* @param integer $id
* @return mixed
*/
public function actionUpdate($id)
{
$authors = Authors::getAuthorsForDropDownList();
$model = $this->findModel($id);
//Request from form
if (Yii::$app->request->isPost) {
$model->load(Yii::$app->request->post());
$model->cover = UploadedFile::getInstance($model, 'cover');
if ($model->save()) {
$absoluteUrl = Yii::$app->session->has('absoluteUrl') ? Yii::$app->session->get('absoluteUrl') : Yii::$app->urlManager->createUrl("books");
return $this->redirect($absoluteUrl);
}
}
//Render update form
return $this->render('update', ['model' => $model, 'authors' => $authors]);
}