MIF_E31222691/laravel/session/database.php

104 lines
2.0 KiB
PHP

<?php namespace Laravel\Session;
use Laravel\Database\Connection;
class Database extends Driver implements Sweeper {
/**
* The database connection.
*
* @var Connection
*/
private $connection;
/**
* The database table to which the sessions should be written.
*
* @var string
*/
private $table;
/**
* Create a new database session driver.
*
* @param Connection $connection
* @param string $table
* @return void
*/
public function __construct(Connection $connection, $table)
{
$this->table = $table;
$this->connection = $connection;
}
/**
* Load a session by ID.
*
* The session will be retrieved from persistant storage and returned as an array.
* The array contains the session ID, last activity UNIX timestamp, and session data.
*
* @param string $id
* @return array
*/
protected function load($id)
{
$session = $this->table()->find($id);
if ( ! is_null($session))
{
return array(
'id' => $session->id,
'last_activity' => $session->last_activity,
'data' => unserialize($session->data)
);
}
}
/**
* Save the session to persistant storage.
*
* @return void
*/
protected function save()
{
$this->delete($this->session['id']);
$this->table()->insert(array(
'id' => $this->session['id'],
'last_activity' => $this->session['last_activity'],
'data' => serialize($this->session['data'])
));
}
/**
* Delete the session from persistant storage.
*
* @return void
*/
protected function delete()
{
$this->table()->delete($this->session['id']);
}
/**
* Delete all expired sessions from persistant storage.
*
* @param int $expiration
* @return void
*/
public function sweep($expiration)
{
$this->table()->where('last_activity', '<', $expiration)->delete();
}
/**
* Get a session database query.
*
* @return Query
*/
private function table()
{
return $this->connection->table($this->table);
}
}