GradesRetrieval.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\Exercise\Grades;
 
use ILIAS\Data\Order;
use ILIAS\Data\Range;
use ILIAS\Exercise\InternalDomainService;
use ILIAS\Repository\RetrievalBase;
use ILIAS\Repository\RetrievalInterface;
 
class GradesRetrieval implements RetrievalInterface
{
    use RetrievalBase;
 
    public function __construct(
        protected InternalDomainService $domain,
        protected \ilObjExercise $exercise,
        protected \ilExerciseMembers $members,
        protected array $assignments
    ) {
    }
 
    public function getData(
        array $fields,
        ?Range $range = null,
        ?Order $order = null,
        array $filter = [],
        array $parameters = []
    ): \Generator {
        $data = $this->collectData();
        $data = $this->applyOrder($data, $order ?? new Order('name', Order::ASC));
        $data = $this->applyRange($data, $range);
 
        foreach ($data as $row) {
            yield $row;
        }
    }
 
    public function count(array $filter = [], array $parameters = []): int
    {
        return count($this->collectData());
    }
 
    public function isFieldNumeric(string $field): bool
    {
        return $field === 'id';
    }
 
    protected function collectData(): array
    {
        $data = [];
        $user_ids = $this->domain->access()->filterUserIdsByRbacOrPositionOfCurrentUser(
            'edit_submissions_grades',
            'edit_submissions_grades',
            $this->exercise->getRefId(),
            $this->members->getMembers()
        );
 
        foreach ($user_ids as $user_id) {
            $user = \ilObjUser::_lookupName($user_id);
            $row = [
                'id' => (int) $user_id,
                'name' => $user['lastname'] . ', ' . $user['firstname'],
                'login' => $user['login'],
                'mark' => (string) \ilLPMarks::_lookupMark($user_id, $this->exercise->getId()),
                'remark' => (string) \ilLPMarks::_lookupComment($user_id, $this->exercise->getId()),
                'total' => \ilExerciseMembers::_lookupStatus($this->exercise->getId(), $user_id)
            ];
 
            foreach ($this->assignments as $assignment) {
                $status = new \ilExAssignmentMemberStatus($assignment->getId(), $user_id);
                $row['assignment_' . $assignment->getId()] = $status->getStatus();
            }
 
            $data[] = $row;
        }
 
        return $data;
    }
}