class.ProviderMemberships.php

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<?php

namespace ILIAS\Awareness\User;

use ILIAS\DI\Container;

class ProviderMemberships implements Provider
{
    protected \ilObjUser $user;
    protected \ilLanguage $lng;
    protected \ilDBInterface $db;

    public function __construct(Container $DIC)
    {
        $this->db = $DIC->database();
        $this->lng = $DIC->language();
        $this->user = $DIC->user();
    }

    public function getProviderId(): string
    {
        return "mmbr_user_grpcrs";
    }

    public function getTitle(): string
    {
        $this->lng->loadLanguageModule("mmbr");
        return $this->lng->txt("mmbr_awrn_my_groups_courses");
    }

    public function getInfo(): string
    {
        $this->lng->loadLanguageModule("crs");
        return $this->lng->txt("mmbr_awrn_my_groups_courses_info");
    }

    public function getInitialUserSet(?array $user_ids = null): array
    {
        $ilDB = $this->db;

        $groups_and_courses_of_user = \ilParticipants::_getMembershipByType(
            $this->user->getId(),
            ["grp", "crs"]
        );

        $set = $ilDB->query(
            "SELECT DISTINCT usr_id FROM obj_members " .
            " WHERE " . $ilDB->in("obj_id", $groups_and_courses_of_user, false, "integer") . ' ' .
            'AND (admin > ' . $ilDB->quote(0, 'integer') . ' ' .
            'OR tutor > ' . $ilDB->quote(0, 'integer') . ' ' .
            'OR member > ' . $ilDB->quote(0, 'integer') . ")"
        );
        $ub = array();
        while ($rec = $ilDB->fetchAssoc($set)) {
            $ub[] = (int) $rec["usr_id"];
        }

        return $ub;
    }

    public function isHighlighted(): bool
    {
        return false;
    }
}