如何减少 WooCommerce 中特定订单状态的库存 [英] How to reduce the stock for specific order status in WooCommerce

问题描述

我在 WooCommerce 上管理我的库存.

I am managing my stock on WooCommerce.

当订单状态更改为特定状态(例如(待处理)或其他状态)时，我想减少库存.

I would like to reduce the stock when the order status changes to a specific status for example (pending) or other status.

所以我使用了这个代码:

So I used this code:

function manageStock ($order_id, $old_status, $new_status, $instance ) {
   if ($old_status === 'on-hold'){
      wc_reduce_stock_levels($order_id);
   }
}
add_action( 'woocommerce_order_status_changed', 'manageStock', 10, 4 );

但不幸的是不起作用.有没有其他方法可以解决这个问题?

But unfortunately does not work. Is there another way to solve this problem?

推荐答案

on-hold"、processing" 和 的库存已经减少>已完成" 订单状态，如您所见 for wc_maybe_reduce_stock_levels() 函数源代码，将函数挂接到以下钩子:

Stock is already reduced for "on-hold", "processing" and "completed" order statuses, as you can see for wc_maybe_reduce_stock_levels() function source code, hooking the function to the following hooks:

add_action( 'woocommerce_payment_complete', 'wc_maybe_reduce_stock_levels' );
add_action( 'woocommerce_order_status_completed', 'wc_maybe_reduce_stock_levels' );
add_action( 'woocommerce_order_status_processing', 'wc_maybe_reduce_stock_levels' );
add_action( 'woocommerce_order_status_on-hold', 'wc_maybe_reduce_stock_levels' );

所以不要直接使用wc_reduce_stock_levels()，而是用wc_maybe_reduce_stock_levels()代替.

So don't use directly wc_reduce_stock_levels() and replace by wc_maybe_reduce_stock_levels().

但是在 WooCommerce 待处理 订单状态下，函数 wc_maybe_increase_stock_levels() 被触发增加库存水平，因此我们需要删除该行为首先.

But on WooCommerce pending order status the function wc_maybe_increase_stock_levels() is triggered that increase back stock levels, so we need to remove that behavior first.

现在允许减少待定"库存订单状态，添加以下代码行:

Now to allow stock reduction for "pending" order status, add this code lines:

add_action('init', function() {
    remove_action( 'woocommerce_order_status_pending', 'wc_maybe_increase_stock_levels' );
    add_action( 'woocommerce_order_status_pending', 'wc_maybe_reduce_stock_levels' );
});

代码位于活动子主题(或活动主题)的functions.php 文件中.它应该可以工作.

Code goes in functions.php file of the active child theme (or active theme). It should work.

请注意，woocommerce_order_status_{$status_transition_to} 是一个复合挂钩，可用于任何其他自定义订单状态.

Note that woocommerce_order_status_{$status_transition_to} is a composite hook that can be used with any other custom order status.

因此对于任何自定义订单状态(例如已发货")，我们将使用:

So for any custom order status (let say "shipped" for example), we will use:

add_action( 'woocommerce_order_status_shipped', 'wc_maybe_reduce_stock_levels' );

代码位于活动子主题(或活动主题)的functions.php 文件中.它应该可以工作.

Code goes in functions.php file of the active child theme (or active theme). It should work.

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