在WooCommerce中将优惠券字段强制设置为产品类别 [英] Make coupon field mandatory for a product category in WooCommerce

问题描述

我正在努力做到这一点，因此Woocommerce上的产品类别必须使用优惠券字段。我试图使用

I am trying to make it so the coupon field is mandatory on Woocommerce for a product category. I have tried to use the code from this answer but it only works with a set of coupon code. I need it to work with any valid coupon code.

Thank you for any help.

解决方案

Try the following that will make the coupon field mandatory when a cart item from a specific product category is found:

add_action( 'woocommerce_check_cart_items', 'mandatory_coupon_code' );
function mandatory_coupon_code() {
     // Set your product categories in the array (can be term IDs, slugs or names)
    $product_categories = array( 'clothing' );

    $found = false;

    // Loop through cart items to check for the product categories
    foreach ( WC()->cart->get_cart() as $cart_item ){
        if( has_term( $product_categories, 'product_cat', $cart_item['product_id'] ) ){
            $found = true; // cart item from the product category is found
            break; // We can stop the loop
        }
    }

    // If not found we exit
    if( ! $found ) return; // exit

    $applied_coupons = WC()->cart->get_applied_coupons();

    // Coupon not applied and product category found
    if( is_array($applied_coupons) && sizeof($applied_coupons) == 0 ) {
        // Display an error notice preventing checkout
        $message = __( 'Please enter a coupon code to be able to checkout.', 'woocommerce' );
        wc_add_notice( $message, 'error' );
    }
}

Code goes in function.php file of your active child theme (or active theme). Tested and works

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