/**
* remove item from cart
*/
public function actionRemove()
{
$shoppingCartModel = new ShoppingCart();
$sku_id = Yii::$app->request->post('sku_id');
if ($shoppingCartModel->remove($sku_id)) {
echo Json::encode(['message' => 'remove success', 'redirect' => 'index']);
} else {
echo Json::encode(['message' => 'remove fail', 'redirect' => 'index']);
}
}
