public function actionDefault()
{
if (empty($this->app->request->get->id)) {
$this->app->flash->message = 'Не передан идентификатор категории';
$this->redirect('/sales/categories/default');
}
$category = Category::findByColumn('__id', $this->app->request->get->id);
$this->data->items = Product::findProductsByCat($category);
}