Algol Plus Ltd

class WDP_WCPA_Custom_Compatibility {
  const KEY = 'acowebs-woo-custom-product-addons';
  const WDP_VERSION = '2.2.4';
  const TARGET_VERSION = '4.3.10';

  protected $tm_keys = array(
    'wcpa_data',
    'wcpa_cart_rules',
    'wcpa_options_price_end',
    'wcpa_options_price_start',
    'wcpa_options_price',
  );

  public function is_required() {
    return class_exists( 'WCPA_Front_End' );
  }

  public function admin_install() {
  }

  public function remove_admin_hooks() {
  }

  /**
   * @param WDP_Price_Display $price_display
   */
  public function install( $price_display ) {
    add_action( 'init', function () {
      add_filter( 'wdp_cart_item_data_before_apply', array( $this, 'wdp_cart_item_data_before_apply' ), 10, 2 );
      add_filter( 'wdp_original_cart_item_data', array( $this, 'wdp_original_cart_item_data' ), 10, 1 );
      add_filter( 'wdp_save_cart_item_keys', array( $this, 'wdp_save_cart_item_keys' ), 10, 1 );
      add_filter( "wdp_get_product_regular_price", array( $this, 'wdp_get_product_any_price' ), 10, 3 );
      add_filter( "wdp_get_product_sale_price", array( $this, 'wdp_get_product_any_price' ), 10, 3 );
      add_filter( "wdp_get_product_initial_price", array( $this, 'wdp_get_product_any_price' ), 10, 3 );
    } );
  }

  public function remove_hooks() {
    if ( did_action( 'init' ) ) {
      remove_filter( 'wdp_cart_item_data_before_apply', array( $this, 'wdp_cart_item_data_before_apply' ), 10 );
      remove_filter( 'wdp_original_cart_item_data', array( $this, 'wdp_original_cart_item_data' ), 10 );
      remove_filter( 'wdp_save_cart_item_keys', array( $this, 'wdp_save_cart_item_keys' ), 10 );
      remove_filter( "wdp_get_product_regular_price", array( $this, 'wdp_get_product_any_price' ), 10 );
      remove_filter( "wdp_get_product_sale_price", array( $this, 'wdp_get_product_any_price' ), 10 );
      remove_filter( "wdp_get_product_initial_price", array( $this, 'wdp_get_product_any_price' ), 10 );
    }
  }

  public function wdp_cart_item_data_before_apply( $cart_item_data, $original_cart_item_data ) {
    foreach ( $this->tm_keys as $key ) {
      if ( isset( $original_cart_item_data[ $key ] ) ) {
        $cart_item_data[ $key ] = $original_cart_item_data[ $key ];
      }
    }

    return $cart_item_data;
  }

  public function wdp_original_cart_item_data( $original_cart_item_data ) {
    foreach ( $this->tm_keys as $key ) {
      if ( isset( $original_cart_item_data[ $key ] ) ) {
        unset( $original_cart_item_data[ $key ] );
      }
    }

    return $original_cart_item_data;
  }

  public function wdp_save_cart_item_keys( $keys ) {
    return array_merge( $keys, $this->tm_keys );
  }

  public function wdp_get_product_any_price( $price, $product, $item_meta ) {
    if ( $price !== "" && isset( $item_meta['wcpa_options_price_start'] ) &&
    isset( $item_meta['wcpa_options_price_end'] ) ) {
      $wcpa_price = floatval( $item_meta['wcpa_options_price_start'] ) + 
        floatval( $item_meta['wcpa_options_price_end'] );

      $mc = new WCPA_MC();
            $wcpa_price = $mc->mayBeConvert($wcpa_price);

            if (isset($item_meta['wcpa_cart_rules']['pric_overide_base_price']) && $item_meta['wcpa_cart_rules']['pric_overide_base_price'] === true) {
                $price = max($wcpa_price, $price);
            } else if (isset($item_meta['wcpa_cart_rules']['pric_overide_base_price_if_gt_zero']) && $item_meta['wcpa_cart_rules']['pric_overide_base_price_if_gt_zero'] === true && $wcpa_price > 0) {
                $price = $wcpa_price;
            } else {

                $price = $wcpa_price + floatval($price);

            }
            if ($price < 0) {
                $price = 0;
            }
    }

    return $price;
  }
}

$comp = new WDP_WCPA_Custom_Compatibility();
if($comp->is_required()) {
  $comp->install(null);
}