searchanddisplace-core/app/SearchDisplace/Searchers/SearchersCollection.php

<?php

namespace App\SearchDisplace\Searchers;

class SearchersCollection
{
    const PARAM_REQUIRED = 'required';
    const PARAM_OPTIONAL = 'optional';

    public function all()
    {
        $collection = [];

        foreach ((new SearchersStorage())->all() as $item) {
            $collection[] = array_merge($item, [
                'type' => 'custom',
            ]);
        }

        foreach ((new Mapper)->all() as $item) {
            $collection[] = array_merge($item, [
                'type' => 'duckling',
            ]);
        }

        return $collection;
    }

    public function get($id)
    {
        $searcherStorage = new SearchersStorage();

        if ($searcherStorage->has($id)) {
            return array_merge($searcherStorage->get($id), [
                'type' => 'custom',
            ]);
        }

        $ducklingMapper = new Mapper();

        if ($ducklingMapper->has($id)) {
            return array_merge($ducklingMapper->get($id), [
                'type' => 'duckling',
            ]);
        }

        return null;
    }

    public function has($id)
    {
        $searcherStorage = new SearchersStorage();
        $ducklingMapper = new Mapper();

        return $searcherStorage->has($id) || $ducklingMapper->has($id);
    }
}