PartKeepr\PartBundle\Action\PartPutAction::__invoke PHP Method

    public function __invoke(Request $request, $id)
    {
        /**
         * @var $resourceType ResourceInterface
         */
        list($resourceType, $format) = $this->extractAttributes($request);
        /*
         * Workaround to ensure stockLevels are not overwritten in a PUT request.
         * @see https://github.com/partkeepr/PartKeepr/issues/551
         */
        $data = json_decode($request->getContent(), true);
        if (array_key_exists('stockLevels', $data)) {
            unset($data['stockLevels']);
        }
        $requestData = json_encode($data);
        $data = $this->getItem($this->dataProvider, $resourceType, $id);
        $context = $resourceType->getDenormalizationContext();
        $context['object_to_populate'] = $data;
        /**
         * @var $part Part
         */
        $part = $this->serializer->deserialize($requestData, $resourceType->getEntityClass(), $format, $context);
        if (!$this->partService->isInternalPartNumberUnique($part->getInternalPartNumber(), $part)) {
            throw new InternalPartNumberNotUniqueException();
        }
        return $part;
    }