CTaskNotifications::checkUserCanViewGroup

static function checkUserCanViewGroup($userId, $groupId)
{
	if(!CModule::IncludeModule('socialnetwork'))
	{
		return false;
	}

	if(!isset(self::$cache['GROUP_ACCESS'][$groupId][$userId]) || !self::$cacheData)
	{
		self::$cache['GROUP_ACCESS'][$groupId][$userId] = CSocNetGroup::CanUserViewGroup($userId, $groupId);
	}

	return self::$cache['GROUP_ACCESS'][$groupId][$userId];
}