class.ilOrgUnitUserRepository.php

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<?php
namespace OrgUnit\User;

use ilOrgUnitPosition;
use ilOrgUnitUserAssignment;

class ilOrgUnitUserRepository
{
    protected \ILIAS\DI\Container $dic;
    protected static array $instance;
    protected array $orgu_users;
    protected bool $with_superiors = false;
    protected bool $with_positions = false;

    public function __construct()
    {
        global $DIC;
        $this->dic = $DIC;
    }

    public function withSuperiors(): ilOrgUnitUserRepository
    {
        $this->with_superiors = true;

        return $this;
    }

    public function withPositions(): ilOrgUnitUserRepository
    {
        $this->with_positions = true;

        return $this;
    }

    public function getOrgUnitUsers(array $arr_user_id): array
    {
        $this->orgu_users = $this->loadUsersByUserIds($arr_user_id);

        if ($this->with_superiors === true) {
            $this->loadSuperiors($arr_user_id);
        }

        if ($this->with_positions === true) {
            $this->loadPositions($arr_user_id);
        }

        return $this->orgu_users;
    }

    public function getOrgUnitUser(int $user_id): ?ilOrgUnitUser
    {
        $this->orgu_users = $this->loadUsersByUserIds([$user_id]);

        if (count($this->orgu_users) == 0) {
            return null;
        }

        if ($this->with_superiors === true) {
            $this->loadSuperiors([$user_id]);
        }

        return $this->orgu_users[0];
    }

    public function loadSuperiors(array $user_ids): void
    {
        global $DIC;

        $st = $DIC->database()->query($this->getSuperiorsSql($user_ids));

        $empl_id_sup_ids = [];
        while ($data = $DIC->database()->fetchAssoc($st)) {
            $org_unit_user = ilOrgUnitUser::getInstanceById($data['empl_usr_id']);
            $superior = ilOrgUnitUser::getInstance(
                $data['sup_usr_id'],
                (string) $data['sup_login'],
                (string) $data['sup_email'],
                (string) $data['sup_second_email']
            );
            $org_unit_user->addSuperior($superior);
        }
    }

    public function getEmailAdressesOfSuperiors(array $user_ids): array
    {
        global $DIC;

        $st = $DIC->database()->query($this->getSuperiorsSql($user_ids));

        $arr_email_sup = [];
        while ($data = $DIC->database()->fetchAssoc($st)) {
            $arr_email_sup[] = $data['sup_email'];
        }

        return $arr_email_sup;
    }

    protected function getSuperiorsSql(array $user_ids): string
    {
        global $DIC;

        $sql = "SELECT 
                                orgu_ua.orgu_id AS orgu_id,
                                orgu_ua.user_id AS empl_usr_id,
                                orgu_ua2.user_id as sup_usr_id,
                                superior.email as sup_email,
                                superior.second_email as sup_second_email,
                                superior.login as sup_login
                                FROM
                                il_orgu_ua as orgu_ua,
                                il_orgu_ua as orgu_ua2
                                inner join usr_data as superior on superior.usr_id = orgu_ua2.user_id
                                WHERE
                                orgu_ua.orgu_id = orgu_ua2.orgu_id 
                                and orgu_ua.user_id <> orgu_ua2.user_id 
                                and orgu_ua.position_id = " . \ilOrgUnitPosition::CORE_POSITION_EMPLOYEE . "
                                and orgu_ua2.position_id = " . \ilOrgUnitPosition::CORE_POSITION_SUPERIOR . " 
                                AND " . $DIC->database()->in('orgu_ua.user_id', $user_ids, false, 'integer');

        return $sql;
    }

    public function loadPositions(array $user_ids): array
    {
        $positions = [];

        $assignments = ilOrgUnitUserAssignment::where(['user_id' => $user_ids])->get();
        if (count($assignments) > 0) {
            foreach ($assignments as $assignment) {
                $org_unit_user = ilOrgUnitUser::getInstanceById($assignment->getUserId());
                $org_unit_user->addPositions(ilOrgUnitPosition::find($assignment->getPositionId()));
            }
        }

        return $positions;
    }

    private function loadUsersByUserIds(array $user_ids): array
    {
        $users = array();

        $q = "SELECT * FROM usr_data WHERE " . $this->dic->database()->in('usr_id', $user_ids, false, 'int');

        $set = $this->dic->database()->query($q);

        while ($row = $this->dic->database()->fetchAssoc($set)) {
            $users[] = ilOrgUnitUser::getInstance(
                $row['usr_id'],
                (string) $row['login'],
                (string) $row['email'],
                (string) $row['second_email']
            );
        }

        return $users;
    }
}