问在Woocommerce中当购物车重量超过特定限制时的自定义消息

EN

// Add to cart validation - Add an error message when total weight exeeds a limit
add_filter( 'woocommerce_add_to_cart_validation', 'custom_price_field_add_to_cart_validation', 20, 3 );
function custom_price_field_add_to_cart_validation( $passed, $product_id, $quantity ) {
    $cart_weight = WC()->cart->get_cart_contents_weight();
    $product     = wc_get_product($product_id);
    $total_weight = ( $product->get_weight() * $quantity ) + $cart_weight;

    if ( $total_weight >= 70 ) {
        $passed = false ;
        $message = __( "Your order exceeds the shipping limit weight. Please contact us.", "woocommerce" );
        wc_add_notice( $message, 'error' );
    }
    return $passed;
}

// Disable all shipping methods when cart weight exeeds a limit
add_filter( 'woocommerce_package_rates', 'cart_weight_disable_shipping_methods', 20, 2 );
function cart_weight_disable_shipping_methods( $rates, $package ) {
    if( WC()->cart->get_cart_contents_weight() >= 70 ) {
        $rates = array();
    }
    return $rates;
}

// Display a custom shipping message when cart weight exeeds a limit
add_filter( 'woocommerce_no_shipping_available_html', 'weight_limit_no_shipping_message', 20, 1 );
add_filter( 'woocommerce_cart_no_shipping_available_html', 'weight_limit_no_shipping_message', 20, 1 );
function weight_limit_no_shipping_message( $message ) {
    if (WC()->cart->get_cart_contents_weight() >= 70 )
        $message = wpautop( __( "Your order exceeds the shipping limit weight. Split into multiple orders or call us to place order.", "woocommerce") );

    return $message;
}

// Display an error notice on order submit when cart weight exeeds a limit
add_action( 'woocommerce_checkout_process', 'cart_weight_limit_submit_alert', 20, 1 );
function cart_weight_limit_submit_alert() {
    if ( WC()->cart->get_cart_contents_weight() >= 70 ){
        $message = __( "Your order exceeds the shipping limit weight. Split into multiple orders or call us to place order.", "woocommerce");
        wc_clear_notices();
        wc_add_notice( $message, 'error' );
    }
}