/**
* {@inheritdoc}
*/
public function transform($class, $property, $value, $config)
{
if (isset($config[ConfigUtil::DATA_TRANSFORMER])) {
foreach ((array) $config[ConfigUtil::DATA_TRANSFORMER] as $transformer) {
$value = $this->transformByCustomTransformer($transformer, $class, $property, $value, $config);
}
}
return null !== $this->baseDataTransformer ? $this->baseDataTransformer->transform($class, $property, $value, $config) : $value;
}
/**
* @param mixed $entity
* @param string $entityClass
* @param array $config
*
* @return array
*/
protected function serializeItem($entity, $entityClass, $config)
{
if (!$entity) {
return [];
}
$result = [];
$entityMetadata = $this->doctrineHelper->getEntityMetadata($entityClass);
$resultFields = $this->getFieldsToSerialize($entityClass, $config);
foreach ($resultFields as $field) {
$value = null;
if ($this->dataAccessor->tryGetValue($entity, $field, $value)) {
$targetConfig = $this->getFieldConfig($config, $field);
if ($entityMetadata->isAssociation($field)) {
if ($value !== null) {
if (!empty($targetConfig['fields'])) {
if (is_string($targetConfig['fields'])) {
$value = $this->dataAccessor->getValue($value, $targetConfig['fields']);
$value = $this->dataTransformer->transform($entityClass, $field, $value, $targetConfig);
} else {
$value = $this->serializeItem($value, $entityMetadata->getAssociationTargetClass($field), $targetConfig);
}
} else {
$value = $this->dataTransformer->transform($entityClass, $field, $value, $targetConfig);
}
}
} else {
$value = $this->dataTransformer->transform($entityClass, $field, $value, $targetConfig);
}
$result[$this->getResultFieldName($field, $targetConfig)] = $value;
} elseif ($this->isMetadataField($field)) {
$result[$this->getResultFieldName($field, $this->getFieldConfig($config, $field))] = $this->getMetadataFieldValue($entity, $field, $entityMetadata);
}
}
return $result;
}
/**
* @param mixed $entity
* @param string $entityClass
* @param array $config
*
* @return array
*/
protected function serializeItem($entity, $entityClass, $config)
{
if (!$entity) {
return [];
}
$result = [];
$entityMetadata = $this->doctrineHelper->getEntityMetadata($entityClass);
$resultFields = $this->fieldAccessor->getFieldsToSerialize($entityClass, $config);
foreach ($resultFields as $field) {
$value = null;
if ($this->dataAccessor->tryGetValue($entity, $field, $value)) {
$targetConfig = ConfigUtil::getFieldConfig($config, $field);
if ($entityMetadata->isAssociation($field)) {
if ($value !== null) {
if (!empty($targetConfig[ConfigUtil::FIELDS])) {
$targetEntityClass = $entityMetadata->getAssociationTargetClass($field);
$targetEntityId = $this->dataAccessor->getValue($value, $this->doctrineHelper->getEntityIdFieldName($targetEntityClass));
$value = $this->serializeItem($value, $targetEntityClass, $targetConfig);
$items = [$value];
$this->loadRelatedData($items, $targetEntityClass, [$targetEntityId], $targetConfig);
$value = reset($items);
if (isset($targetConfig[ConfigUtil::POST_SERIALIZE])) {
$value = $this->postSerialize($value, $targetConfig[ConfigUtil::POST_SERIALIZE]);
}
} else {
$value = $this->dataTransformer->transform($entityClass, $field, $value, $targetConfig);
}
}
} else {
$value = $this->dataTransformer->transform($entityClass, $field, $value, $targetConfig);
}
$result[$field] = $value;
} elseif ($this->fieldAccessor->isMetadataProperty($field)) {
$result[$field] = $this->fieldAccessor->getMetadataProperty($entity, $field, $entityMetadata);
}
}
return $result;
}
