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path: root/app/Core/Session/SessionHandler.php
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<?php

namespace Kanboard\Core\Session;

use PicoDb\Database;
use SessionHandlerInterface;

/**
 * Class SessionHandler
 *
 * @package Kanboard\Core\Session
 */
class SessionHandler implements SessionHandlerInterface
{
    const TABLE = 'sessions';

    /**
     * @var Database
     */
    private $db;

    public function __construct(Database $db)
    {
        $this->db = $db;
    }

    public function close()
    {
        return true;
    }

    public function destroy($sessionID)
    {
        return $this->db->table(self::TABLE)->eq('id', $sessionID)->remove();
    }

    public function gc($maxlifetime)
    {
        return $this->db->table(self::TABLE)->lt('expire_at', time())->remove();
    }

    public function open($savePath, $name)
    {
        return true;
    }

    public function read($sessionID)
    {
        $result = $this->db->table(self::TABLE)->eq('id', $sessionID)->findOneColumn('data');
        return $result ?: '';
    }

    public function write($sessionID, $data)
    {
        $lifetime = time() + (ini_get('session.gc_maxlifetime') ?: 1440);

        if ($this->db->table(self::TABLE)->eq('id', $sessionID)->exists()) {
            return $this->db->table(self::TABLE)->eq('id', $sessionID)->update(array(
                'expire_at' => $lifetime,
                'data'      => $data,
            ));
        }

        return $this->db->table(self::TABLE)->insert(array(
            'id'        => $sessionID,
            'expire_at' => $lifetime,
            'data'      => $data,
        ));
    }
}