Polestar Display WooCommerce category image

/**
 * Display WooCommerce category image on category archive page.
 */
function polestar_child_woocommerce_category_image() {
    if ( function_exists( 'is_woocommerce' ) && is_product_category() ) {
        global $wp_query;
        $cat = $wp_query->get_queried_object();
        $thumbnail_id = get_woocommerce_term_meta( $cat->term_id, 'thumbnail_id', true );
        $image = wp_get_attachment_url( $thumbnail_id );
        if ( $image ) {
            echo '<div class="polestar-wc-category-banner" style="background: url(' . $image . ') no-repeat; background-size: cover; height: 200px; margin-bottom: 30px; width: 100%;"></div>';
        }
    }
}
add_action( 'polestar_content_before', 'polestar_child_woocommerce_category_image', 2 );

/**
 * Adds child theme custom classes to the array of body classes.
 *
 * @param array $classes Classes for the body element.
 * @return array
 */
function polestar_child_body_classes( $classes ) {

    // Header margin.
    if ( function_exists( 'is_woocommerce' ) && is_product_category() ) {
        global $wp_query;
        $cat = $wp_query->get_queried_object();
        $thumbnail_id = get_woocommerce_term_meta( $cat->term_id, 'thumbnail_id', true );
        $image = wp_get_attachment_url( $thumbnail_id );
        if ( $image ) {
            $classes[] = 'no-header-margin';
        }
        return $classes;
    }
}
add_filter( 'body_class', 'polestar_child_body_classes' );