sale badge issue By Mikado Themes

Resolve the sale badge issue with Mikado Themes.

add_action('after_setup_theme', function () {
    remove_all_filters('woocommerce_sale_flash');
    add_filter('woocommerce_sale_flash', 'awdr_display_percentage_on_sale_badge', 30, 3);
});

if(!function_exists('awdr_display_percentage_on_sale_badge')){

function awdr_display_percentage_on_sale_badge($html, $post, $product)
{
    $percentage = 0;
    $discount_percentage = apply_filters('advanced_woo_discount_rules_get_product_discount_percentage', 0, $product);
    if ($discount_percentage > 0) {
        $percentage = $discount_percentage . '%';
    } else {
        if ($product->is_type('variable')) {
            $percentages = array();

            // This will get all the variation prices and loop throughout them
            $prices = $product->get_variation_prices();

            foreach ($prices['price'] as $key => $price) {
                // Only on sale variations
                if ($prices['regular_price'][$key] !== $price) {
                    // Calculate and set in the array the percentage for each variation on sale
                    $percentages[] = round(100 - (floatval($prices['sale_price'][$key]) / floatval($prices['regular_price'][$key]) * 100));
                }
            }
            // Displays maximum discount value
            $percentage = max($percentages) . '%';

        } elseif ($product->is_type('grouped')) {
            $percentages = array();

            // This will get all the variation prices and loop throughout them
            $children_ids = $product->get_children();

            foreach ($children_ids as $child_id) {
                $child_product = wc_get_product($child_id);

                $regular_price = (float)$child_product->get_regular_price();
                $sale_price = (float)$child_product->get_sale_price();

                if ($sale_price != 0 || !empty($sale_price)) {
                    // Calculate and set in the array the percentage for each child on sale
                    $percentages[] = round(100 - ($sale_price / $regular_price * 100));
                }
            }
            // Displays maximum discount value
            $percentage = max($percentages) . '%';

        } else {
            $regular_price = (float)$product->get_regular_price();
            $sale_price = (float)$product->get_sale_price();

            if ($sale_price != 0 || !empty($sale_price)) {
                $percentage = round(100 - ($sale_price / $regular_price * 100)) . '%';
            } else {
                return $html;
            }
        }
    }
   
        if ($percentage > 0) {
            $html = '<span class="onsale">' . esc_html__('-', 'woocommerce') . ' ' . $percentage . '</span>'; // If needed then change or remove "up to -" text
        }
        return $html;
   }
}