Fix - Sale badge issue for ridestyle theme (The 7up WordPress Team)

Fix the sale badge issue for the Ridestyle theme (by The 7up WordPress Team).

if (!function_exists('s7upf_product_label')) {
    function s7upf_product_label($echo = true)
    {
        global $product, $post;
        $date_pro = strtotime($post->post_date);
        $date_now = strtotime('now');
        $set_timer = s7upf_get_option('sv_set_time_woo', 30);
        $uppsell = ($date_now - $date_pro - $set_timer * 24 * 60 * 60);
        $html = '';
        if ($product->is_on_sale() || $uppsell < 0) {
            $html .= '<div class="product-label">';
        }

        if ($product->is_on_sale()) {
            $from = $product->get_regular_price();
            $to = $product->get_price();
            if ($from) {
                $percent = round(($from - $to) / $from * 100);
                $html .= apply_filters('woocommerce_sale_flash', '<span class="sale">-' . esc_html($percent) . '%</span>', $post, $product);
            }
        }
        if ($uppsell < 0) {
            $html .= '<span class="new">' . esc_html__("New", "ridestyle") . '</span>';
        }

        if ($product->is_on_sale() || $uppsell < 0) {
            $html .= '</div>';
        }

        if ($echo) {
            echo apply_filters('s7upf_product_label', $html);
        } else {
            return apply_filters('s7upf_product_label', $html);
        }

    }
}