/**
* @return string
* @throws ServerErrorHttpException
*/
public function actionIndex()
{
$searchModel = new Product();
$params = Yii::$app->request->get();
/** @var ActiveDataProvider $dataProvider */
$dataProvider = $searchModel->search($params);
if (null !== ($catId = Yii::$app->request->get('parent_id'))) {
$dataProvider->query->leftJoin(Object::getForClass(Product::className())->categories_table_name . ' cp', 'cp.object_model_id=product.id')->andWhere('product.parent_id=0 AND cp.category_id=:cur', [':cur' => $catId]);
}
return $this->render('index', ['dataProvider' => $dataProvider, 'searchModel' => $searchModel]);
}
