基于产品类别的运输方式的额外费用

debugcn 发表于 Dev

ADv

我正在尝试根据产品类别向用户选择的运输方式添加额外费用（使用 $multiplier）。

所以，我需要检查购物车中是否有任何产品在 $product_category_id 上。如果是这样，那么我需要将选定的运输成本乘以 $multiplier 值。

此 $multiplier 应应用于按运输方式计算的总运输成本（而不是购物车中的每件商品）。

add_filter( 'woocommerce_package_rates','overwrite_shipping_cost', 100, 2 );
function overwrite_shipping_cost($rates, $package ) {
    global $woocommerce;

        if ( get_field( 'multiplier', 'option' ) ) :
            $multiplier = get_field( 'multiplier', 'option' );
        else :
            $multiplier = 1;
        endif;

        $product_category_id    = array( 86, 21, 47 ); 
        $product_cats_ids       = wc_get_product_term_ids( $product_id, 'product_cat' ); 
        $product_category_id_check = false;

        foreach( $products as $cart_item ){
            $product_id = $cart_item['product_id'];
        }

        foreach ( $product_category_id as $key => $value ) {
            if ( in_array( $value, $product_cats_ids ) ) { 
                $product_category_id_check = true;
            }
        }

        if ( ! is_admin() && $product_category_id_check ) {
                    // If Shiptor 1
                    if ( isset( $rates['shiptor-shiptor:14:delivery-point_shiptor_terminal'] )) {
                        $rates['shiptor-shiptor:14:delivery-point_shiptor_terminal']->cost = $rates['shiptor-shiptor:14:delivery-point_shiptor_terminal']->cost * $multiplier;
                    } 

                    // If Shiptor 2
                    if ( isset( $rates['shiptor-shiptor:14:to-door_shiptor_courier'] )) {
                        $rates['shiptor-shiptor:14:to-door_shiptor_courier']->cost = $rates['shiptor-shiptor:14:to-door_shiptor_courier']->cost * $multiplier;
                    }

                    //If anothee shipping method
                    if ( isset( $rates['rpaefw_post_calc:16'] )) {
                        $rates['rpaefw_post_calc:16']->cost = $rates['rpaefw_post_calc:16']->cost * $multiplier;
                    }
        }


    return $rates;
}

执行代码后没有结果。我在代码中提供的运输方式没有应用 $multiplier。

茨梅霍坎

在活动主题的functions.php中添加以下代码片段 -

function add_extra_woocommerce_shipping_rate_cost( $cost, $method ) {
    /* let's assume its applicable for flat rate and local pickup
     * And instance id for flat rate = 12
     * And instance id for local pickup = 14 
     * 
     */
    if ( in_array( $method->get_instance_id(), array( 12, 14) ) && WC()->cart ) {
        if ( get_field( 'multiplier', 'option' ) ) :
            $multiplier = get_field( 'multiplier', 'option' );
        else :
            $multiplier = 1;
        endif;

        $product_category_id = array( 86, 21, 47 ); // applicable categories
        $product_category_id_check = false;
        $items = WC()->cart->get_cart();
        foreach( $items as $item => $values ) { 
            $product_cats_ids = wp_get_post_terms($values['data']->get_id(),'product_cat',array('fields'=>'ids'));
            foreach ( $product_cats_ids as $id ) {
                if( in_array( $id, $product_category_id ) ) 
                    $product_category_id_check = true;
            }
        }
        if( $product_category_id_check ){
            $cost = $cost * $multiplier;
        }
    }
    return $cost;
}
add_filter( 'woocommerce_shipping_rate_cost', 'add_extra_woocommerce_shipping_rate_cost', 99, 2 );

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