Cannot use processFilter on product Collection

[jaydainn]

Preconditions and environment

• 2.4.6-p11
• Magento 2 EE

Steps to reproduce

1. Create a product collection using a productCollectionFactory
2. Create Multiple Filters Using filterBuilder on different product attributes
3. Create a filter group using a filterGroupBuilder and the previously created filters.
4. Create a Search Criteria using SearchCriteriaBuilder with the previously created group of filters.
5. Use the FilterProcessor Class and the process function to filter this collection using the search Criteria
6. It will fail

{
$filters = [];
$data = "black"

    $filters[] = $this->filterBuilder
     ->setField('description')
     ->setValue($data)
     ->setConditionType('eq')
     ->create();

    $filters[] = $this->filterBuilder
     ->setField('color')
     ->setValue($data)
     ->setConditionType('eq')
     ->create();

    $filters[] = $this->filterBuilder
     ->setField('country_of_manufacture')
     ->setValue($data)
     ->setConditionType('eq')
     ->create();

    // Create a filter group with OR logic
    $filterGroup = $this->filterGroupBuilder
     ->setFilters($filters)
     ->create();

    // Build search criteria
    $searchCriteria = $this->searchCriteriaBuilder
     ->setFilterGroups([$filterGroup])
     ->create();


    $this->collection = $this->productCollectionFactory->create();
    $this->collection->addAttributeToSelect('*');

    // Apply the search criteria to the collection
    $this->filterProcessor->process($searchCriteria, $this->collection);
    $this->collection->load();
    return $this->collection->getFirstItem(); 
}

Expected result

Get the products from the collection with the correct filters.

Actual result

Cannot access offset of type string on string at /var/www/src/vendor/magento/module-eav/Model/Entity/Collection/AbstractCollection.php:373

It seems that in the addAttributeToFilter function from module eav the condition parameter from the function is never used and actually replaced by the attribute array passed in the function.

Additional information

No response

Release note

No response

Triage and priority

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

Hi @jaydainn. Thank you for your report.
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[m2-assistant]

Hi @engcom-November. Thank you for working on this issue.
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