Add WooCommerce Product Addon full costs to Dynamically Adjusted Price

woocommerce-dynamic-pricing-and-product-addons.php

class WC_Dynamic_Pricing_Product_Addons_Compatibility {
	private static $instance;

	public static function register() {

		if ( self::$instance == null ) {
			self::$instance = new WC_Dynamic_Pricing_Product_Addons_Compatibility();
		}

	}

	private $add_on_prices = array();

	protected function __construct() {

		add_filter( 'woocommerce_dynamic_pricing_get_price_to_discount', array(
			$this,
			'get_price_to_discount'
		), 10, 3 );

		add_filter( 'wc_dynamic_pricing_apply_cart_item_adjustment', array(
			$this,
			'apply_cart_item_adjustment'
		), 10, 2 );

	}

	function get_price_to_discount( $price, $cart_item, $cart_item_key ) {
		if ( isset( $cart_item['addons_price_before_calc'] ) ) {
			$this->add_on_prices[ $cart_item_key ] = floatval( $price ) - floatval( $cart_item['addons_price_before_calc'] );
			$price                                 = floatval( $cart_item['addons_price_before_calc'] );
		}

		return $price;
	}

	function apply_cart_item_adjustment( $adjusted_price, $cart_item_key ) {
		if ( isset($this->add_on_prices[ $cart_item_key ]) ) {
			$adjusted_price += $this->add_on_prices[ $cart_item_key ];
		}

		return $adjusted_price;
	}
}

add_action( 'init', function () {
	WC_Dynamic_Pricing_Product_Addons_Compatibility::register();
} );