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<?php
declare(strict_types=1);
namespace Damax\Media\Domain\Metadata;
use Damax\Common\Domain\Model\Metadata;
final class Collector implements Reader
{
/**
* @var Reader[]
*/
private $items = [];
public function __construct(iterable $items = [])
foreach ($items as $item) {
$this->add($item);
}
public function add(Reader $reader): void
$this->items[] = $reader;
public function supports($context): bool
foreach ($this->items as $item) {
if ($item->supports($context)) {
return true;
return false;
public function extract($context): Metadata
$reduce = function (Metadata $metadata, Reader $reader) use ($context): Metadata {
return $metadata->merge($reader->extract($context));
};
$filter = function (Reader $reader) use ($context): bool {
return $reader->supports($context);
return array_reduce(array_filter($this->items, $filter), $reduce, Metadata::create());
damax-solutions /
media
