/**
* Find by a specification.
*
* It is highly recommend to pass a QuerySpecification. Otherwise all items have to be loaded!.
*
* @param Specification $specification The specification.
*
* @return array|CollectionInterface|ModelInterface[]|\string[]
*/
public function findBySpecification(Specification $specification)
{
if ($specification instanceof QuerySpecification) {
$config = $this->provider->getEmptyConfig();
$specification->prepare($config);
return $this->provider->fetchAll($config);
}
$result = $this->provider->fetchAll($this->provider->getEmptyConfig());
$filtered = array();
foreach ($result as $entity) {
if ($specification->isSatisfiedBy($entity)) {
$filtered[] = $entity;
}
}
return $filtered;
}
/**
* Retrieve the children of a model (if any exist).
*
* @param DataProviderInterface $dataProvider The data provider.
*
* @param ModelInterface $model The model.
*
* @param ParentChildConditionInterface $childCondition The condition.
*
* @return CollectionInterface|null
*/
private function getChildrenOfModel($dataProvider, $model, $childCondition)
{
$childIds = $dataProvider->fetchAll($dataProvider->getEmptyConfig()->setFilter($childCondition->getFilter($model))->setIdOnly(true));
if (!$childIds) {
return null;
}
return $dataProvider->fetchAll($dataProvider->getEmptyConfig()->setSorting(array('sorting' => 'ASC'))->setFilter(FilterBuilder::fromArray()->getFilter()->andPropertyValueIn('id', $childIds)->getAllAsArray()));
}
