RoleRecommendationRetrieval.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\Repository\RecommendedContent;
 
use ILIAS\Data\Order;
use ILIAS\Data\Range;
use ILIAS\Repository\RetrievalBase;
use ILIAS\Repository\RetrievalInterface;
 
class RoleRecommendationRetrieval implements RetrievalInterface
{
    use RetrievalBase;
 
    public function __construct(
        protected \ilRecommendedContentManager $manager,
        protected \ilTree $tree,
        protected int $role_id
    ) {
    }
 
    public function getData(
        array $fields,
        ?Range $range = null,
        ?Order $order = null,
        array $filter = [],
        array $parameters = []
    ): \Generator {
        $data = $this->collectData();
        $data = $this->applyOrder($data, $order);
        $data = $this->applyRange($data, $range);
 
        yield from $data;
    }
 
    public function count(array $filter, array $parameters): int
    {
        return count($this->collectData());
    }
 
    public function isFieldNumeric(string $field): bool
    {
        return $field === 'id' || $field === 'ref_id';
    }
 
    protected function collectData(): array
    {
        $data = [];
 
        foreach ($this->manager->getRecommendationsOfRole($this->role_id) as $ref_id) {
            $ref_id = (int) $ref_id;
            $data[] = [
                'id' => $ref_id,
                'ref_id' => $ref_id,
                'title' => \ilObject::_lookupTitle(\ilObject::_lookupObjectId($ref_id)),
                'path' => $this->formatPath($this->tree->getPathFull($ref_id))
            ];
        }
 
        return $data;
    }
 
    protected function formatPath(array $path): string
    {
        return implode(' &raquo; ', array_column($path, 'title'));
    }
 
}