Bug Magento 2: undefined method in getConfigurableAttributeCollection

 

Show bug Error: Call to undefined method Magento\Bundle\Model\Product\Type\Interceptor::getConfigurableAttributeCollection() in module-configurable-product/Helper/Product/Options/Loader.php:52

In magento 2.4.3:

Fix override function core: 

+ Create di.xml:

<?xml version="1.0"?>

<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">

    <preference for="Magento\ConfigurableProduct\Helper\Product\Options\Loader" type="Lexim\BundleFix\Helper\Product\Options\Loader"/>

</config>

+ Override Loader.php:

<?php

/**

 * Copyright ©  All rights reserved.

 * See COPYING.txt for license details.

 */

namespace Lexim\BundleFix\Helper\Product\Options;

use Magento\Catalog\Api\Data\ProductInterface;

use Magento\ConfigurableProduct\Api\Data\OptionInterface;

use Magento\ConfigurableProduct\Model\Product\Type\Configurable;

use Magento\ConfigurableProduct\Api\Data\OptionValueInterfaceFactory;

use Magento\Framework\Api\ExtensionAttribute\JoinProcessorInterface;

/**

 * Class Loader

 * @package Lexim\BundleFix\Helper\Product\Options

 */

class Loader extends \Magento\ConfigurableProduct\Helper\Product\Options\Loader

{

    /**

     * @var OptionValueInterfaceFactory

     */

    private $optionValueFactory;

    /**

     * @var JoinProcessorInterface

     */

    private $extensionAttributesJoinProcessor;

    /**

     * Loader constructor.

     * @param OptionValueInterfaceFactory $optionValueFactory

     * @param JoinProcessorInterface $extensionAttributesJoinProcessor

     */

    public function __construct(

        OptionValueInterfaceFactory $optionValueFactory,

        JoinProcessorInterface $extensionAttributesJoinProcessor

    ) {

        $this->optionValueFactory = $optionValueFactory;

        $this->extensionAttributesJoinProcessor = $extensionAttributesJoinProcessor;

    }

    /**

     * @param ProductInterface $product

     * @return OptionInterface[]

     */

    public function load(ProductInterface $product): array

    {

        $options = [];

        /** @var Configurable $typeInstance */

        $typeInstance = $product->getTypeInstance();

        if ($typeInstance instanceof \Magento\Catalog\Model\Product\Type\Simple ||

            $typeInstance instanceof \Magento\Bundle\Model\Product\Type) {

            return $options;

        }

        $attributeCollection = $typeInstance->getConfigurableAttributeCollection($product);

        $this->extensionAttributesJoinProcessor->process($attributeCollection);

        foreach ($attributeCollection as $attribute) {

            $values = [];

            $attributeOptions = $attribute->getOptions();

            if (is_array($attributeOptions)) {

                foreach ($attributeOptions as $option) {

                    /** @var \Magento\ConfigurableProduct\Api\Data\OptionValueInterface $value */

                    $value = $this->optionValueFactory->create();

                    $value->setValueIndex($option['value_index']);

                    $values[] = $value;

                }

            }

            $attribute->setValues($values);

            $options[] = $attribute;

        }

        return $options;

    }

}