projectuserprovider.php

<?php
 
namespace Bitrix\Socialnetwork\Integration\UI\EntitySelector;
 
use Bitrix\Main\ArgumentException;
use Bitrix\Main\Entity\Query;
use Bitrix\Main\ORM\Fields\Relations\Reference;
use Bitrix\Main\ORM\Query\Join;
use Bitrix\Main\SystemException;
use Bitrix\Main\UserTable;
use Bitrix\Socialnetwork\Helper\Workgroup;
use Bitrix\Socialnetwork\UserToGroupTable;
 
class ProjectUserProvider extends UserProvider
{
    protected function prepareOptions(array $options = []): void
    {
        parent::prepareOptions($options);
        $this->options['projectId'] = (int)($options['projectId'] ?? null);
    }
 
    protected static function getQuery(array $options = []): Query
    {
        $projectId = $options['projectId'];
        if ($projectId <= 0 || !static::isMember($projectId))
        {
            return static::getEmptyQuery();
        }
 
        return parent::getQuery($options)->registerRuntimeField(
            'GROUP_MEMBERS',
            new Reference(
                'USER_TO_GROUP',
                UserToGroupTable::getEntity(),
                Join::on('this.ID', 'ref.USER_ID')
                    ->where('ref.GROUP_ID', $projectId)
                    ->whereIn('ref.ROLE', UserToGroupTable::getRolesMember()),
                ['join_type' => Join::TYPE_INNER]
            )
        );
    }
 
    protected static function getExtranetUsersQuery(int $currentUserId): ?Query
    {
        // return null because static::getQuery() adds the necessary conditions
        return null;
    }
 
    private static function isMember(int $projectId): bool
    {
        $permissions = Workgroup::getPermissions([
            'groupId' => $projectId,
            'userId' => static::getCurrentUserId(),
        ]);
 
        return $permissions['UserIsMember'] ?? false;
    }
 
    private static function getEmptyQuery(): Query
    {
        return UserTable::query()->setSelect(['ID'])->where('ID', 0);
    }
}