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Как сделать ajax обновление цены от количества товаров в мини корзине?

Здравствуйте!
Есть мини-корзина, хочу сделать обновление цены от количества товаров. Как это сделать?
Код мини корзины:
<?php
/**
 * Mini-cart
 *
 * Contains the markup for the mini-cart, used by the cart widget.
 *
 * This template can be overridden by copying it to yourtheme/woocommerce/cart/mini-cart.php.
 *
 * HOWEVER, on occasion WooCommerce will need to update template files and you
 * (the theme developer) will need to copy the new files to your theme to
 * maintain compatibility. We try to do this as little as possible, but it does
 * happen. When this occurs the version of the template file will be bumped and
 * the readme will list any important changes.
 *
 * @see     https://docs.woocommerce.com/document/template-structure/
 * @package WooCommerce\Templates
 * @version 5.2.0
 */

defined('ABSPATH') || exit;

do_action('woocommerce_before_mini_cart'); ?>

<?php if (!WC()->cart->is_empty()) : ?>

    <div class="minicart__order">
    <?php
    do_action('woocommerce_before_mini_cart_contents');

    foreach (WC()->cart->get_cart() as $cart_item_key => $cart_item) {
        $_product = apply_filters('woocommerce_cart_item_product', $cart_item['data'], $cart_item, $cart_item_key);
        $product_id = apply_filters('woocommerce_cart_item_product_id', $cart_item['product_id'], $cart_item, $cart_item_key);

        if ($_product && $_product->exists() && $cart_item['quantity'] > 0 && apply_filters('woocommerce_widget_cart_item_visible', true, $cart_item, $cart_item_key)) {
            $product_name = apply_filters('woocommerce_cart_item_name', $_product->get_name(), $cart_item, $cart_item_key);
            $thumbnail = apply_filters('woocommerce_cart_item_thumbnail', $_product->get_image(), $cart_item, $cart_item_key);
            $product_price = apply_filters('woocommerce_cart_item_price', WC()->cart->get_product_price($_product), $cart_item, $cart_item_key);
            $product_permalink = apply_filters('woocommerce_cart_item_permalink', $_product->is_visible() ? $_product->get_permalink($cart_item) : '', $cart_item, $cart_item_key);
            ?>
            <div class="minicart__product" <?php echo esc_attr(apply_filters('woocommerce_mini_cart_item_class', 'mini_cart_item', $cart_item, $cart_item_key)); ?>>
            <div class="minicart__product__title">
                <div class="minicart__product__name">
                    <?php echo wp_kses_post($product_name); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
                </div>
                <div class="minicart__product__desc">
                    Ø23см
                </div>
            </div>
            <div class="minicart__product__counter">
                <div class="minicart__product__counter__minus" data-id = "<?php echo wp_kses_post($product_id); ?>">-</div>
                <div class="minicart__product__counter__amount" data-id = "<?php echo wp_kses_post($product_id); ?>" data-quantity = "<?php echo wp_kses_post($cart_item['quantity']); ?>"><?php
						if ( $_product->is_sold_individually() ) {
							$product_quantity = sprintf( '1 <input type="hidden" name="cart[%s][qty]" value="1" />', $cart_item_key );
						} else {
							$product_quantity = woocommerce_quantity_input(
								array(
									'input_name'   => "cart[{$cart_item_key}][qty]",
									'input_value'  => $cart_item['quantity'],
									'max_value'    => $_product->get_max_purchase_quantity(),
									'min_value'    => '0',
									'product_name' => $_product->get_name(),
								),
								$_product,
								false
							);
						}

						echo apply_filters( 'woocommerce_cart_item_quantity', $product_quantity, $cart_item_key, $cart_item ); // PHPCS: XSS ok.
						?></div>
                <div class="minicart__product__counter__plus" data-id = "<?php echo wp_kses_post($product_id); ?>">+</div>
            </div>
            <div class="minicart__product__price">
                <div>
                    <span>
                        <?php echo apply_filters( 'woocommerce_cart_item_subtotal', WC()->cart->get_product_subtotal( $_product, $cart_item['quantity'] ), $cart_item, $cart_item_key ); // PHPCS: XSS ok. ?>
                    </span>
                </div>
            </div>
            <?php echo wc_get_formatted_cart_item_data($cart_item); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
            </div>
            <?php
        }
    }

    do_action('woocommerce_mini_cart_contents');
    ?>
    </div>

    <div class="minicart__total">
        <?php
        /**
         * Hook: woocommerce_widget_shopping_cart_total.
         *
         * @hooked woocommerce_widget_shopping_cart_subtotal - 10
         */
        do_action('woocommerce_widget_shopping_cart_total');
        ?>
    </div>

    <?php do_action('woocommerce_widget_shopping_cart_before_buttons'); ?>

    <p class="woocommerce-mini-cart__buttons buttons"><?php do_action('woocommerce_widget_shopping_cart_buttons'); ?></p>

    <?php do_action('woocommerce_widget_shopping_cart_after_buttons'); ?>

<?php else : ?>

    <p class="woocommerce-mini-cart__empty-message"><?php esc_html_e('No products in the cart.', 'woocommerce'); ?></p>

<?php endif; ?>

<?php do_action('woocommerce_after_mini_cart'); ?>
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