BrandsController.php
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<?php
namespace backend\controllers;
use Yii;
use common\models\Brands;
use common\models\BrandsSearch;
use yii\web\Controller;
use yii\web\NotFoundHttpException;
use yii\filters\VerbFilter;
use yii\filters\AccessControl;
use yii\web\UploadedFile;
/**
* BrandsController implements the CRUD actions for Brands model.
*/
class BrandsController extends Controller
{
public $layout = "/column";
/**
* @inheritdoc
*/
public function behaviors()
{
return [
'access' => [
'class' => AccessControl::className(),
'rules' => [
[
'actions' => ['login', 'error', 'download-photo', 'delete-image'],
'allow' => true,
],
[
'actions' => ['logout', 'index', 'create', 'update', 'view', 'delete',],
'allow' => true,
'roles' => ['@'],
],
],
],
'verbs' => [
'class' => VerbFilter::className(),
'actions' => [
'logout' => ['post'],
],
],
];
}
/**
* Lists all Brands models.
* @return mixed
*/
public function actionIndex()
{
$searchModel = new BrandsSearch();
$dataProvider = $searchModel->search(Yii::$app->request->queryParams);
return $this->render('index', [
'searchModel' => $searchModel,
'dataProvider' => $dataProvider,
]);
}
/**
* Displays a single Brands model.
* @param string $id
* @return mixed
*/
public function actionView($id)
{
return $this->render('view', [
'model' => $this->findModel($id),
]);
}
/**
* Creates a new Brands model.
* If creation is successful, the browser will be redirected to the 'view' page.
* @return mixed
*/
public function actionCreate()
{
$model = new Brands();
if ($model->load(Yii::$app->request->post())) {
return $this->saveModelWithImg($model);
} else {
return $this->render('create', [
'model' => $model,
]);
}
}
/**
* Updates an existing Brands 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);
if ($model->load(Yii::$app->request->post())) {
if ($model->delete_img) {
// удаляем изображение (как из базы так и с сервера), сохраняем модель
return $this->saveModelWithDeleteImg($model);
} else {
// сохраняем модель с сохранением изображения (как в базу так и на сервер)
return $this->saveModelWithImg($model);
}
} else {
return $this->render('update', [
'model' => $model,
]);
}
}
/**
* Deletes an existing Brands model.
* If deletion is successful, the browser will be redirected to the 'index' page.
* @param string $id
* @return mixed
*/
public function actionDelete($id)
{
$this->findModel($id)->delete();
return $this->redirect(['index']);
}
/**
* Finds the Brands model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param string $id
* @return Brands the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Brands::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
/**
* @param $model
* @return string|\yii\web\Response
* сохраняет картинку и валидирует модель
* выбрасывает исключение в случае ошибки
*/
protected function saveModelWithImg($model)
{
$model->file = UploadedFile::getInstance($model, 'file');
$model->IMG = $model->file->name;
// первый проход - валидируем, сохраняем файл,
if ($model->validate()) {
// сохраним файл
$model->file->saveAs(Yii::getAlias('@storage') . '/files/brands/' . $model->IMG);
if ($model->save()) {
return $this->redirect(['index']);
}
}
$model->throwStringErrorException();
}
/**
* @param $model
* @return \yii\web\Response
* сохраняет модель с удалением картинки
* выбрасывает исключение в случае ошибки
*/
protected function saveModelWithDeleteImg($model)
{
if ($model->validate()) {
$img_path = Yii::getAlias('@storage') . '/files/brands/' . $model->IMG;
// удалим файл
if(file_exists( $img_path ))
unlink( $img_path );
$model->IMG = '';
if ($model->save()) {
return $this->redirect(['index']);
}
}
$model->throwStringErrorException();
}
}