ApiPlatform\Core\Bridge\Doctrine\Orm\Filter\OrderFilter::filterProperty PHP Method

    protected function filterProperty(string $property, $direction, QueryBuilder $queryBuilder, QueryNameGeneratorInterface $queryNameGenerator, string $resourceClass, string $operationName = null)
    {
        if (!$this->isPropertyEnabled($property) || !$this->isPropertyMapped($property, $resourceClass)) {
            return;
        }
        if (empty($direction) && isset($this->properties[$property])) {
            // fallback to default direction
            $direction = $this->properties[$property];
        }
        $direction = strtoupper($direction);
        if (!in_array($direction, ['ASC', 'DESC'])) {
            return;
        }
        $alias = 'o';
        $field = $property;
        if ($this->isPropertyNested($property)) {
            list($alias, $field) = $this->addJoinsForNestedProperty($property, $alias, $queryBuilder, $queryNameGenerator);
        }
        $queryBuilder->addOrderBy(sprintf('%s.%s', $alias, $field), $direction);
    }