bintzwing/lib/zerobin_db.php

176 lines
3.4 KiB
PHP

<?php
/**
* ZeroBin
*
* a zero-knowledge paste bin
*
* @link http://sebsauvage.net/wiki/doku.php?id=php:zerobin
* @copyright 2012 Sébastien SAUVAGE (sebsauvage.net)
* @license http://www.opensource.org/licenses/zlib-license.php The zlib/libpng License
* @version 0.15
*/
/**
* zerobin_db
*
* Model for DB access, implemented as a singleton.
*/
class zerobin_db
{
/*
* @access private
* @static
* @var PDO instance of database connection
*/
private static $_db;
/**
* singleton instance
*
* @access private
* @static
* @var zerobin
*/
private static $_instance = null;
/**
* enforce singleton, disable constructor
*
* Instantiate using {@link getInstance()}, zerobin is a singleton object.
*
* @access protected
*/
protected function __construct() {}
/**
* enforce singleton, disable cloning
*
* Instantiate using {@link getInstance()}, zerobin is a singleton object.
*
* @access private
*/
private function __clone() {}
/**
* get instance of singleton
*
* @access public
* @static
* @return zerobin
*/
public static function getInstance($options)
{
// if needed initialize the singleton
if(null === self::$_instance) {
self::$_instance = new self;
self::_init();
}
if (
is_array($options) &&
array_key_exists('dsn', $options) &&
array_key_exists('usr', $options) &&
array_key_exists('pwd', $options) &&
array_key_exists('opt', $options)
) self::$_db = new PDO(
$options['dsn'],
$options['usr'],
$options['pwd'],
$options['opt']
);
return self::$_instance;
}
/**
* Create a paste.
*
* @access public
* @param string $pasteid
* @param array $paste
* @return int|false
*/
public function create($pasteid, $paste)
{
}
/**
* Read a paste.
*
* @access public
* @param string $pasteid
* @return string
*/
public function read($pasteid)
{
}
/**
* Delete a paste and its discussion.
*
* @access public
* @param string $pasteid
* @return void
*/
public function delete($pasteid)
{
}
/**
* Test if a paste exists.
*
* @access public
* @param string $dataid
* @return void
*/
public function exists($pasteid)
{
}
/**
* Create a comment in a paste.
*
* @access public
* @param string $pasteid
* @param string $parentid
* @param string $commentid
* @param array $comment
* @return int|false
*/
public function createComment($pasteid, $parentid, $commentid, $comment)
{
}
/**
* Read all comments of paste.
*
* @access public
* @param string $pasteid
* @return array
*/
public function readComments($pasteid)
{
}
/**
* Test if a comment exists.
*
* @access public
* @param string $dataid
* @param string $parentid
* @param string $commentid
* @return void
*/
public function existsComment($pasteid, $parentid, $commentid)
{
}
/**
* initialize zerobin
*
* @access private
* @static
* @return void
*/
private static function _init()
{
}
}