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如何根据之前在 WooCommerce 中的购买限制产品访问?

DDD
DDD原创
2024-11-14 13:16:02189浏览

How can I restrict product access based on previous purchases in WooCommerce?

确定客户购买的产品访问控制

问题陈述:

在 WooCommerce 中,您需要限制以下能力购买特定产品(c、d、e),除非客户之前购买过产品 a 或 b。如果满足此条件,则应启用产品 c、d 和 e 的购买按钮;

解决方案:

实现一个条件函数来检查客户是否曾经购买过指定产品,并利用此函数来控制可见性和受限产品的购买按钮的功能。

代码:

将以下条件函数添加到您的functions.php文件中:

function has_bought_items() {
    $bought = false;

    // Specify the product IDs of restricted products
    $prod_arr = array( '21', '67' );

    // Retrieve all customer orders
    $customer_orders = get_posts( array(
        'numberposts' => -1,
        'meta_key' => '_customer_user',
        'meta_value' => get_current_user_id(),
        'post_type' => 'shop_order', // WC orders post type
        'post_status' => 'wc-completed' // Only orders with status "completed"
    ) );

    foreach($customer_orders as $customer_order) {
        // Compatibility for WooCommerce 3+
        $order_id = method_exists( $order, 'get_id' ) ? $order->get_id() : $order->id;
        $order = wc_get_order( $customer_order );

        // Iterate through purchased products in the order
        foreach($order->get_items() as $item) {
            // Compatibility for WC 3+
            if(version_compare(WC_VERSION, '3.0', '<')){
                $product_id = $item['product_id'];
            }else{
                $product_id = $item->get_product_id();
            }

            // Check if any of the designated products were purchased
            if(in_array($product_id, $prod_arr)){
                $bought = true;
            }
        }
    }

    // Return true if a designated product was purchased
    return $bought;
}

用法:

在相关的 WooCommerce 模板(例如,loop/add-to-cart.php)中,您可以使用 has_bought_items() 函数来控制购买按钮的可见性和功能受限产品:​​

// Replace restricted product IDs as needed
$restricted_products = array( '20', '32', '75' );

// Compatibility for WC +3
$product_id = method_exists( $product, 'get_id' ) ? $product->get_id() : $product->id;

// Customer has not purchased a designated product for restricted products
if( !has_bought_items() && in_array( $product_id, $restricted_products ) ) {
    // Display inactive add-to-cart button with custom text
}else{
    // Display normal add-to-cart button
}

通过实施此条件检查,您可以有效防止客户在满足指定的购买要求之前购买受限产品。

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