Cursor-Based Pagination is completely broken / not working as documented

[Ayurka]

Cursor-Based Pagination simply does not work at all!

[kupicz-jan]

I ran into same problem. The problem seems to be that Pagination Query returns AbstractPaginator which is then directly mapped to the output Resource instead of the Doctrine Entity.

The Paginator returns something interfaced AbstractPaginanor

// vendor/api-platform/doctrine-orm/Extension/PaginationExtension.php

if ($isPartialEnabled) {
    return new class($doctrineOrmPaginator) extends AbstractPaginator {
    };
}

AbstractPaginator does not implement PaginatorInterface so it jumps directly into the ObjectMapper

// vendor/api-platform/state/Provider/ObjectMapperProvider.php

if ($data instanceof PaginatorInterface) {
    $data = new MappedObjectPaginator(
        . . .
    );
} elseif (\is_array($data)) {
    . . .
} else {
    $data = $this->objectMapper->map($data, $class); // <----------
}

and then the ObjectMapper tries to get property value from entity while passing the Paginator itself ($source)

// vendor/symfony/object-mapper/ObjectMapper.php

private function getRawValue(object $source, string $propertyName): mixed
{
    if ($this->propertyAccessor) {
        try {
	        return $this->propertyAccessor->getValue($source, $propertyName);  // < ------------ 1
	 } catch (PropertyAccessorNoSuchPropertyException $e) {
	        throw new NoSuchPropertyException($e->getMessage(), $e->getCode(), $e); // <---- 2
	 }
    }
    . . . 
}

[soyuka]

wasn't that fixed by 0f025e8 ? I think @kupicz-jan problem is not the same as @Ayurka

[kupicz-jan]

@soyuka Thanks for the info. Yes, this 0f025e8 looks exactly like a fix for my issue.