JMS\Serializer\Construction\DoctrineObjectConstructor::construct()

Complexity

Conditions	15
Paths	50

Size

Total Lines	77
Code Lines	38

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	40
CRAP Score	15.0242

Importance

Changes

0

<?php
    public function construct(VisitorInterface $visitor, ClassMetadata $metadata, $data, array $type, DeserializationContext $context)
    {
        // Locate possible ObjectManager
        $objectManager = $this->managerRegistry->getManagerForClass($metadata->name);

        if (!$objectManager) {
            // No ObjectManager found, proceed with normal deserialization
            return $this->fallbackConstructor->construct($visitor, $metadata, $data, $type, $context);
        }

        // Locate possible ClassMetadata
        $classMetadataFactory = $objectManager->getMetadataFactory();

        if ($classMetadataFactory->isTransient($metadata->name)) {
            // No ClassMetadata found, proceed with normal deserialization
            return $this->fallbackConstructor->construct($visitor, $metadata, $data, $type, $context);
        }

        // Managed entity, check for proxy load
        if (!is_array($data)) {
            // Single identifier, load proxy
            return $objectManager->getReference($metadata->name, $data);
        }

        // Fallback to default constructor if missing identifier(s)
        /** @var DoctrineClassMetadata $classMetadata*/
        $classMetadata  = $objectManager->getClassMetadata($metadata->name);
        $identifierList = array();
        /** @var array $deserializingGroups */
        $deserializingGroups = $context->getGroups()->getOrElse(array());

        // Avoid calling objectManager->find if the deserialization context groups exclude identification properties
        foreach ($classMetadata->getIdentifierFieldNames() as $name) {
            $missingIdentifier = !array_key_exists($name, $data);

            if (0 < count($deserializingGroups) && false === $missingIdentifier) {
                $propertyGroups = $this->getPropertyGroups($context, $metadata->name, $name);
                $groupForIdentFound = false;

                // group list match on at least one group?
                foreach ($deserializingGroups as $deserializingGroup) {
                    if (in_array($deserializingGroup, $propertyGroups)) {
                        $groupForIdentFound = true;
                        break;
                    }
                }

                $missingIdentifier = $missingIdentifier || (!$groupForIdentFound);
            }

            if (true === $missingIdentifier) {
                return $this->fallbackConstructor->construct($visitor, $metadata, $data, $type, $context);
            }

            $identifierList[$name] = $data[$name];
        }

        // Entity update, load it from database
        $object = $objectManager->find($metadata->name, $identifierList);

        if (null === $object) {
            switch ($this->fallbackStrategy) {
                case self::ON_MISSING_NULL:
                    return null;
                case self::ON_MISSING_EXCEPTION:
                    throw new ObjectConstructionException(sprintf("Entity %s can not be found", $metadata->name));
                case self::ON_MISSING_FALLBACK:
                    return $this->fallbackConstructor->construct($visitor, $metadata, $data, $type, $context);
                default:
                    throw new InvalidArgumentException("The provided fallback strategy for the object constructor is not valid");
            }
        }

        $objectManager->initializeObject($object);

        return $object;
    }
}