/**
* Saves the objects, and executes the supplied callback, wrapping in a try / catch and transaction.
* This meant to be used to save associated relationships when overriding the the saveAll() method.
*
* Functions will receive an array parameter with the objects that have just been saved
*
* @param DataObjectInterface[] $objects
* @param callable $afterSave
* @param callable $exceptionHandler
*/
protected function saveAllWith(array $objects, callable $afterSave, callable $exceptionHandler = null)
{
$this->objectMapper->unitOfWork()->executeTransaction(function () use($objects, $afterSave) {
self::saveAll($objects);
$afterSave($objects);
}, $exceptionHandler);
}
/**
* Saves relationship data to a link table containing the id's of both objects.
*
* This method inserts / updates the foreign objects.
* Missing foreign objects will be removed from the link table, but not deleted.
*
* @param DataObjectInterface[] $objects
* @param string $className Class name of foreign objects to load
* @param string $linkTable Table that links two objects together
* @param string $foreignObjectGetter Name of getter to retrieve foreign objects
* @param string $idColumn Column on link table = the id on this object
* @param string $foreignIdColumn Column on link table = the id on the foreign object table
*/
public function saveManyToMany(array $objects, $className, $linkTable, $foreignObjectGetter = null, $idColumn = null, $foreignIdColumn = null)
{
if (empty($objects)) {
return;
}
if (!$foreignObjectGetter) {
$foreignObjectGetter = 'get' . $this->inflector->methodNameFromClass($className, true);
}
$foreignObjectsToSave = [];
foreach ($objects as $object) {
if (!method_exists($object, $foreignObjectGetter)) {
throw new MethodNotImplementedException("{$foreignObjectGetter} must be defined on {$object->getClassName()} to save relationship");
}
/** @var DataObjectInterface[] $foreignObjects */
$foreignObjects = $object->{$foreignObjectGetter}();
if (!empty($foreignObjects)) {
if (!is_array($foreignObjects)) {
throw new MethodNotImplementedException("{$foreignObjectGetter} on {$object->getClassName()} must return an array to save relationship");
}
foreach ($foreignObjects as $foreignObject) {
$foreignObjectsToSave[] = $foreignObject;
}
}
}
$this->objectMapper->unitOfWork()->executeTransaction(function () use($foreignObjectsToSave, $objects, $className, $linkTable, $foreignObjectGetter, $idColumn, $foreignIdColumn) {
$this->objectMapper->saveAll($foreignObjectsToSave);
$this->saveManyToManyLinks($objects, $className, $linkTable, $foreignObjectGetter, $idColumn, $foreignIdColumn);
});
}
