class.PresentationSessionRepository.php

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<?php

declare(strict_types=1);

namespace ILIAS\Glossary\Presentation;

class PresentationSessionRepository
{
    public const KEY_BASE = "glo_presentation_";

    public function __construct()
    {
    }

    public function setPageLength(int $ref_id, int $page_length): void
    {
        $key = self::KEY_BASE . $ref_id . "_page_length";
        \ilSession::set($key, $page_length);
    }

    public function getPageLength(int $ref_id): int
    {
        $key = self::KEY_BASE . $ref_id . "_page_length";
        if (\ilSession::has($key)) {
            return \ilSession::get($key);
        }
        return 0;
    }

    public function setLetter(int $ref_id, string $letter): void
    {
        $key = self::KEY_BASE . $ref_id . "_letter";
        \ilSession::set($key, $letter);
    }

    public function getLetter(int $ref_id): string
    {
        $key = self::KEY_BASE . $ref_id . "_letter";
        if (\ilSession::has($key)) {
            return \ilSession::get($key);
        }
        return "";
    }
}