Department::getGroup

static function getGroup($params)
{
	if (!self::checkModules())
		return false;

	$params = is_array($params)? $params: Array();

	if (!isset($params['CURRENT_USER']) && is_object($GLOBALS['USER']))
	{
		$params['CURRENT_USER'] = $GLOBALS['USER']->GetID();
	}

	$userId = intval($params['CURRENT_USER']);
	if ($userId <= 0)
	{
		return false;
	}

	$cacheId = 'im_sonet_extranet_v3_'.$userId;
	$cachePath = '/bx/imc/sonet/extranet'.BitrixImCommon::getCacheUserPostfix($userId);

	$cache = BitrixMainApplication::getInstance()->getCache();
	$taggedCache = BitrixMainApplication::getInstance()->getTaggedCache();

	if($cache->initCache(self::CACHE_TOKEN_TTL, $cacheId, $cachePath))
	{
		return $cache->getVars();
	}

	$taggedCache->startTagCache($cachePath);

	$db = CSocNetUserToGroup::GetList(
		array(),
		array(
			"USER_ID" => $userId,
			"<=ROLE" => SONET_ROLES_USER,
			"GROUP_SITE_ID" => CExtranet::GetExtranetSiteID(),
			"GROUP_ACTIVE" => "Y",
			"GROUP_CLOSED" => "N"
		),
		false,
		false,
		array("ID", "GROUP_ID", "GROUP_NAME")
	);

	$groups = Array();
	$groupIds = Array();
	while ($row = $db->GetNext(true, false))
	{
		$groupIds[] = $row["GROUP_ID"];
		$groups['SG'.$row['GROUP_ID']] = array(
			'ID' => 'SG'.$row['GROUP_ID'],
			'NAME' => Loc::getMessage('IM_INT_SN_GROUP_EXTRANET', Array('#GROUP_NAME#' => $row['GROUP_NAME'])),
			'USERS' => Array()
		);

		$taggedCache->registerTag('sonet_group_'.$row['GROUP_ID']);
		$taggedCache->registerTag('sonet_user2group_G'.$row['GROUP_ID']);
	}

	if (count($groups) <= 0)
	{
		return false;
	}

	$taggedCache->endTagCache();

	$db = CSocNetUserToGroup::GetList(
		array(),
		array(
			"GROUP_ID" => $groupIds,
			"<=ROLE" => SONET_ROLES_USER,
			"USER_ACTIVE" => "Y",
			"USER_CONFIRM_CODE" => false
		),
		false,
		false,
		array("ID", "USER_ID", "GROUP_ID")
	);
	while ($ar = $db->GetNext(true, false))
	{
		if($ar["USER_ID"] == $userId)
			continue;

		$groups['SG'.$row['GROUP_ID']]['USERS'][] = $ar["USER_ID"];
	}

	$cache->startDataCache();
	$cache->endDataCache($groups);

	return $groups;
}