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Prevent side effect when building widgets conditions based on virtual… #2391

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Original file line number Diff line number Diff line change
Expand Up @@ -52,11 +52,14 @@ public function __construct(Provider $filterProvider)
*/
public function beforeAddCategoryFilter(Collection $subject, Category $category)
{
$category = clone $category; // Do not apply side-effect on the category itself.

if ($category && $category->getData('is_virtual_category')) {
$query = $this->filterProvider->getQueryFilter($category);
if ($query !== null) {
$subject->addQueryFilter($query);
}
// This is where cloning is useful. Otherwise, we could have a category without id later in the call stack.
$category->setId(null);
}

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