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<?php |
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/** |
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* XOOPS Kernel Class |
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* |
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* You may not change or alter any portion of this comment or credits |
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* of supporting developers from this source code or any supporting source code |
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* which is considered copyrighted (c) material of the original comment or credit authors. |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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* |
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* @copyright XOOPS Project (http://xoops.org) |
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* @license GNU GPL 2 or later (http://www.gnu.org/licenses/gpl-2.0.html) |
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* @package kernel |
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* @since 2.0.0 |
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* @author Kazumi Ono (AKA onokazu) http://www.myweb.ne.jp/, http://jp.xoops.org/ |
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* @version $Id$ |
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*/ |
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namespace Xoops\Core\Kernel\Handlers; |
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use Xoops\Core\Database\Connection; |
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use Xoops\Core\Kernel\Criteria; |
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use Xoops\Core\Kernel\XoopsPersistableObjectHandler; |
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/** |
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* A handler for "Who is Online?" information |
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* |
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* @category Xoops\Core\Kernel\Handlers\XoopsOnlineHandler |
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* @package Xoops\Core\Kernel |
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* @author Kazumi Ono <[email protected]> |
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* @copyright 2000-2015 XOOPS Project (http://xoops.org) |
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* @license GNU GPL 2 or later (http://www.gnu.org/licenses/gpl-2.0.html) |
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* @link http://xoops.org |
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*/ |
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class XoopsOnlineHandler extends XoopsPersistableObjectHandler |
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{ |
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/** |
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* Constructor |
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* |
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* @param Connection|null $db database |
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*/ |
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public function __construct(Connection $db = null) |
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{ |
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parent::__construct( |
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$db, |
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'system_online', |
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'\Xoops\Core\Kernel\Handlers\XoopsOnline', |
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'online_uid', |
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'online_uname' |
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); |
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} |
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/** |
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* Write online information to the database |
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* |
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* @param int $uid UID of the active user |
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* @param string $uname Username |
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* @param string $time time |
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* @param string $module Current module |
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* @param string $ip User's IP address |
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* |
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* @return bool TRUE on success |
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*/ |
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public function write($uid, $uname, $time, $module, $ip) |
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{ |
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$criteria = array(); |
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$criteria['online_uid'] = $uid; |
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if ($uid == 0) { |
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$criteria['online_ip'] = $ip; |
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} |
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$rows = $this->db2->updatePrefix( |
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'system_online', |
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array( |
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'online_uname' => $uname, |
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'online_updated' => $time, |
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'online_module' => $module, |
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), |
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$criteria |
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); |
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if ($rows === false) { |
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return false; |
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} |
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if ($rows == 0) { |
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$rows = $this->db2->insertPrefix( |
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'system_online', |
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array( |
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'online_uid' => $uid, |
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'online_uname' => $uname, |
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'online_updated' => $time, |
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'online_ip' => $ip, |
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'online_module' => $module, |
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) |
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); |
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} |
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if ($rows === false) { |
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return false; |
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} |
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return ($rows>0); |
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} |
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/** |
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* Delete online information for a user |
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* |
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* @param int $uid UID |
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* |
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* @return bool TRUE on success |
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*/ |
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public function destroy($uid) |
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{ |
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$criteria = new Criteria('online_uid', (int)($uid)); |
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if (false === $this->deleteAll($criteria)) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Garbage Collection |
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* |
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* Delete all online information that has not been updated for a certain time |
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* |
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* @param int $expire Expiration time in seconds |
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* |
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* @return bool |
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*/ |
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public function gc($expire) |
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{ |
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$criteria = new Criteria('online_updated', time() - (int)($expire), '<'); |
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if (false === $this->deleteAll($criteria)) { |
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return false; |
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} |
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return true; |
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} |
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} |
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geekwright /
XoopsCore
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