在“woocommerce_package_rates"中自定义税额；钩 [英] Customize Tax amount in "woocommerce_package_rates" hook

问题描述

我最近尝试使用钩子修改所有运费以应用折扣.

I recently tried to modify all my shipping rates with hook to apply discount.

这是我的代码:

add_filter( 'woocommerce_package_rates', 'woocommerce_package_rates' );
function woocommerce_package_rates( $rates ) {
    $user_id = get_current_user_id();
    if ( ! wc_memberships_is_user_active_member( $user_id, 'silver' ) ) { return $rates; }
    $discount_amount = 30; // 30%

    foreach($rates as $key => $rate ) {
        $rates[$key]->cost = $rates[$key]->cost - ( $rates[$key]->cost * ( $discount_amount/100 ) );
    }

    return $rates;
}

但还有一步是税收！我的税错了.
例如，我的运费是 3$.有了折扣，现在是 2,10$.

But one more step is the tax ! I got wrong tax.
For example I have my shipping rate who cost 3$. With the discount, it's now 2,10$.

我用 2$ 购买一件商品，运费 2.10$.我收到了 1 美元的税款(作为 3 美元的运费.看起来他没有接受更改)，通常是 0.82$.

I buy one item for 2$ and the shipping 2.10$. I got 1$ for the tax (as the 3$ shipping cost. look like he doesn't take the changes) and normally it's 0.82$.

我需要什么才能获得正确的税收计算?

What do I need to get the correct tax calculation?

推荐答案

更新:关于运输方式的税费计算

Update: related to tax cost calculation for the shipping methods

您的代码有一些小错误，您错过了税收计算折扣.我重新审视了你的代码，你应该试试这个:

There is some little errors on your code and you have missed the tax calculation discount. I have revisited your code a bit, you should try this:

add_filter( 'woocommerce_package_rates', 'conditional_shipping_discount', 10, 2 );
function conditional_shipping_discount( $rates, $packages ) {

    $user_id = get_current_user_id();
    if ( ! wc_memberships_is_user_active_member( $user_id, 'silver' ) ) return $rates;

    $percent = 30; // 30%
    $discount = 1 - ($percent / 100);

    foreach($rates as $rate_key => $rate_values ) {
        // Get original cost
        $original_cost = $rates[$rate_id]->cost;
        // Calculate the discounted rate cost
        $new_cost = $original_cost * $discount;
        // Set the discounted rate cost
        $rates[$rate_key]->cost = number_format(new_cost, 2);
        // calculate the conversion rate (for taxes)
        $conversion_rate = $new_cost / $original_cost;

        // Taxes rate cost (if enabled)
        $taxes = array();
        foreach ($rate->taxes as $key => $tax){
            if( $tax > 0 ){ // set the new tax cost
                // set the new line tax cost in the taxes array
                $taxes[$key] = number_format( $tax * $conversion_rate, 2 );
            }
        }
        // Set the new taxes costs
        $rates[$rate_key]->taxes = $taxes
    }
    return $rates;
}

代码位于活动子主题(或主题)的 function.php 文件或任何插件文件中.

此代码已经过测试且有效.

This code is tested and works.

您应该需要刷新运输缓存:

1. 首先，此代码已保存在您的 function.php 文件中.
   
2. 在配送设置中，输入配送区域并禁用配送方式并保存".然后重新启用该运输方式并保存".大功告成.
   

1. First this code is already saved on your function.php file.
   
2. In Shipping settings, enter in a Shipping Zone and disable a Shipping Method and "save". Then re-enable that Shipping Method and "save". You are done.
   

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