attendeecollection.php

См. документацию.

<?php
 
namespace Bitrix\Calendar\Core\Event\Properties;
 
use ArrayIterator;
use Bitrix\Calendar\Core\Base\PropertyCollection;
use Bitrix\Calendar\Core\Role\Helper;
 
 
class AttendeeCollection extends PropertyCollection
{
    private array $attendeesIdCollection = [];
    private array $attendeesCodesCollection = [];

    public function getFields(): array
    {
        return array_merge(parent::getFields(), [
            'attendeesIdCollection' => $this->attendeesIdCollection,
            'attendeesCodesCollection' => $this->attendeesCodesCollection
        ]);
    }

    public function getIterator(): ArrayIterator
    {
        if (!$this->collection && $this->attendeesIdCollection)
        {
            $this->loadAttendees();
        }
 
        return parent::getIterator();
    }

    public function count(): int
    {
        if (!$this->collection && $this->attendeesIdCollection)
        {
            return count($this->attendeesIdCollection);
        }
 
        if (!$this->collection && $this->attendeesCodesCollection)
        {
            return count($this->attendeesCodesCollection);
        }
 
        return parent::count();
    }

    public function setAttendeesId(array $attendeesId): AttendeeCollection
    {
        $this->attendeesIdCollection = $attendeesId;
 
        return $this;
    }
 
    public function setAttendeesCodes(array $attendeesCodes): AttendeeCollection
    {
        $this->attendeesCodesCollection = $attendeesCodes;
 
        return $this;
    }
 
    public function getAttendeesCodes(): array
    {
        return $this->attendeesCodesCollection;
    }

    private function loadAttendees(): void
    {
        foreach ($this->attendeesIdCollection as $attendee)
        {
            if (!$attendee)
            {
                continue;
            }
 
            // if (mb_strpos($attendee, 'U') === 0)
            // {
            //  $attendee = mb_substr($attendee, 1);
            // }
            if ((int)$attendee)
            {
                $this->add(
                    Helper::getUserRole((int)$attendee)
                );
            }
        }
    }

    public function toString($separator = ', '): string
    {
        if (!$this->collection)
        {
            $this->loadAttendees();
        }
 
        return parent::toString($separator);
    }

    public function getAttendeesIdCollection(): array
    {
        return $this->attendeesIdCollection;
    }
}