/**
* prepares array of values to be stored in mongo
* to represent embedded object
* @param ClassMetadata $class
* @param Document $doc
* @return array
*/
private function _prepareDocEmbeded($class, $doc)
{
$changeset = array();
if (is_array($doc) || $doc instanceof Collection) {
foreach ($doc as $val) {
$changeset[] = $this->_prepareDocEmbeded($class, $val);
}
} else {
foreach ($class->fieldMappings as $mapping) {
$rawValue = $class->getFieldValue($doc, $mapping['fieldName']);
if (!isset($rawValue)) {
continue;
}
if (isset($mapping['embedded']) || isset($mapping['reference'])) {
$classMetadata = $this->_dm->getClassMetadata($mapping['targetDocument']);
if (isset($mapping['embedded'])) {
if ($mapping['type'] == 'many') {
$value = array();
foreach ($rawValue as $doc) {
$value[] = $this->_prepareDocEmbeded($classMetadata, $doc);
}
} elseif ($mapping['type'] == 'one') {
$value = $this->_prepareDocEmbeded($classMetadata, $rawValue);
}
} elseif (isset($mapping['reference'])) {
if ($mapping['type'] == 'many') {
$value = array();
foreach ($rawValue as $doc) {
$value[] = $this->_prepareDocReference($classMetadata, $doc);
}
} else {
$value = $this->_prepareDocReference($classMetadata, $rawValue);
}
}
} else {
$value = Types::getType($mapping['type'])->convertToDatabaseValue($rawValue);
}
$changeset[$mapping['fieldName']] = $value;
}
}
return $changeset;
}
/**
* Hydrate array of MongoDB document data into the given document object
* based on the mapping information provided in the ClassMetadata instance.
*
* @param ClassMetadata $metadata The ClassMetadata instance for mapping information.
* @param string $document The document object to hydrate the data into.
* @param array $data The array of document data.
* @return array $values The array of hydrated values.
*/
public function hydrate(ClassMetadata $metadata, $document, $data)
{
$values = array();
foreach ($metadata->fieldMappings as $mapping) {
if (!isset($data[$mapping['fieldName']])) {
continue;
}
if (isset($mapping['embedded'])) {
$embeddedMetadata = $this->_dm->getClassMetadata($mapping['targetDocument']);
$embeddedDocument = $embeddedMetadata->newInstance();
if ($mapping['type'] === 'many') {
$documents = new ArrayCollection();
foreach ($data[$mapping['fieldName']] as $docArray) {
$doc = clone $embeddedDocument;
$this->hydrate($embeddedMetadata, $doc, $docArray);
$documents->add($doc);
}
$metadata->setFieldValue($document, $mapping['fieldName'], $documents);
$value = $documents;
} else {
$value = clone $embeddedDocument;
$this->hydrate($embeddedMetadata, $value, $data[$mapping['fieldName']]);
$metadata->setFieldValue($document, $mapping['fieldName'], $value);
}
} elseif (isset($mapping['reference'])) {
$targetMetadata = $this->_dm->getClassMetadata($mapping['targetDocument']);
$targetDocument = $targetMetadata->newInstance();
$value = isset($data[$mapping['fieldName']]) ? $data[$mapping['fieldName']] : null;
if ($mapping['type'] === 'one' && isset($value['$id'])) {
$id = (string) $value['$id'];
$proxy = $this->_dm->getReference($mapping['targetDocument'], $id);
$metadata->setFieldValue($document, $mapping['fieldName'], $proxy);
} elseif ($mapping['type'] === 'many' && (is_array($value) || $value instanceof Collection)) {
$documents = new PersistentCollection($this->_dm, $targetMetadata, new ArrayCollection());
$documents->setInitialized(false);
foreach ($value as $v) {
$id = (string) $v['$id'];
$proxy = $this->_dm->getReference($mapping['targetDocument'], $id);
$documents->add($proxy);
}
$metadata->setFieldValue($document, $mapping['fieldName'], $documents);
}
} else {
$value = $data[$mapping['fieldName']];
$value = Types::getType($mapping['type'])->convertToPHPValue($value);
$metadata->setFieldValue($document, $mapping['fieldName'], $value);
}
if (isset($value)) {
$values[$mapping['fieldName']] = $value;
}
}
if (isset($data['_id'])) {
$metadata->setIdentifierValue($document, (string) $data['_id']);
}
return $values;
}