protected function saveLinks(Master $master, $model, $pk, $data)
{
$schema = $this->schema;
$data = get_object_vars($data);
unset($pk['v_end']);
$makeKey = function ($fields, $data) {
$items = array();
foreach ($fields as $field) {
$items[] = $data[$field];
}
return implode(':', $items);
};
$convertPkForModel = function ($linkName, $pk) use($schema, $model) {
$linkModel = $schema->getModel($linkName);
$parentModel = $schema->getModel($model);
$reference = $linkModel->getOutReference($parentModel->getName());
$properties = $reference->getProperties();
foreach ($properties as $property) {
foreach ($pk as $key => $value) {
if ($key == $property->getForeignName()) {
unset($pk[$key]);
$pk[$property->getName()] = $value;
}
}
}
return $pk;
};
foreach ($data as $linkName => $records) {
$linkPk = $schema->getModel($linkName)->getPk();
unset($linkPk[array_search('v_end', $linkPk)]);
$repository = $master->getRepository($linkName);
$existingLinks = $repository->findAll($convertPkForModel($linkName, $pk));
$hash = array();
foreach ($existingLinks as $existingLink) {
$key = $makeKey($linkPk, $existingLink->asArray());
$hash[$key] = $existingLink;
}
foreach ($records as $record) {
$record = get_object_vars($record);
$key = $makeKey($linkPk, $record);
if (isset($hash[$key])) {
$existingLink = $hash[$key];
$existingLink->merge($record);
unset($hash[$key]);
} else {
$existingLink = $repository->create($record);
}
$existingLink->save();
}
foreach ($hash as $key => $record) {
$record->delete();
}
}
}
