如何获取在prestashop中应用的优惠券的折扣金额代码

问题描述

我附上以下prestashop购物车的快照，因此我将如何从兑换的凭单中获得折扣金额的代码.

I am attaching the below snapshots of prestashop shopping cart So how I will get the code of discount amount from the voucher redeemed.

http://imgur.com/a/bvx7J

http://imgur.com/a/XgT9p

推荐答案

您可以使用getCartRules()函数来获取应用于任何购物车的所有购物车规则.该功能在Cart.php类文件中定义.

You can use the getCartRules() function to fetch all the cart rules applied on any cart. This function is defined in the Cart.php class file.

您可以使用以下代码来获取当前购物车上的所有优惠券详细信息:

You can use the following code to fetch all the coupon details on current cart:

$this->context->cart->getCartRules();

，您可以使用以下代码来了解客户是否是首次使用优惠券.

and you can use below code to know if the customer is using the voucher for the first time.

if ($context->cart->id_customer) {
        $quantityUsed = Db::getInstance()->getValue('
        SELECT count(*)
        FROM '._DB_PREFIX_.'orders o
        LEFT JOIN '._DB_PREFIX_.'order_cart_rule od ON o.id_order = od.id_order
        WHERE o.id_customer = '.$context->cart->id_customer.'
        AND od.id_cart_rule = '.(int)$this->id.'
        AND '.(int)Configuration::get('PS_OS_ERROR').' != o.current_state
        ');
        if ($quantityUsed == 0) {
          // Customer is using the coupon for first time.
        }
    }

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