SUPPORT MULTI-SELECT ATTRIBUTES

[kestraly]

Preconditions (*)

1. Magento 2.4.6
2. PHP 8.1

Steps to reproduce (*)

1. Create attribute set it as multiselect.
2. Select two options on the attribute for the product
3. Save product
4. Go to Meta > Configuration and select custom attribute mapping

Expected result (*)

1. Catalog correctly syncs

Actual result (*)

1. Failure to sync
2. Cannot convert array to string vendor/meta/module-catalog/Model/Product/Feed/Builder.php - Line 295

Possible solution

if (is_array($attrValue)) $attrValue = implode(',', $attrValue);

[kestraly]

Alternative solution

/app/code/Meta/Catalog/Model/Product/Feed/Builder/AdditionalAttributes.php

public function getCorrectText(Product $product, string $attribute)
    {
        if ($product->getData($attribute)) {
            $text = $product->getAttributeText($attribute);
            if (!$text) {
                $text = $product->getData($attribute);   
            }
            if (is_array($text))  $text = implode(', ', $text);
            return $text;
        }
        return false;
    }

[kestraly]

Pull request added
#45