forked from Wavyzz/dolibarr
506 lines
8.4 KiB
PHP
506 lines
8.4 KiB
PHP
<?PHP
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/* Copyright (C) 2001 Fabien Seisen <seisen@linuxfr.org>
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* Copyright (C) 2002-2004 Rodolphe Quiedeville <rodolphe@quiedeville.org>
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* Copyright (C) 2004 Laurent Destailleur <eldy@users.sourceforge.net>
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*
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* $Id$
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* $Source$
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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/**
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* classe DoliDb
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*
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* Classe contenant les fonctions pour gere la database de dolibarr
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*
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* @package mysql.lib.php
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* @author Fabien Seisen
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* @author Rodolphe Quiedeville
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* @author Laurent Destailleur
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* @version 1.2
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*
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*/
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class DoliDb {
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var $db, $results, $ok, $connected, $database_selected;
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// Constantes pour code erreurs
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var $ERROR_DUPLICATE=1062;
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var $ERROR_TABLEEXISTS=1050;
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/**
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* ouverture d'une connection vers le serveur et/ou une database
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*
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* @access public
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* @param string $type
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* @param string $host
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* @param string $user
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* @param string $pass
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* @param string $name
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*/
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Function DoliDb($type = 'mysql', $host = '', $user = '', $pass = '', $name = '')
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// Se connecte au serveur et éventuellement à une base (si spécifié)
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// Renvoie 1 en cas de succès, 0 sinon
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{
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global $conf;
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if ($host == '')
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{
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$host = $conf->db->host;
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}
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if ($user == '')
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{
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$user = $conf->db->user;
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}
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if ($pass == '')
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{
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$pass = $conf->db->pass;
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}
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if ($name == '')
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{
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$name = $conf->db->name;
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}
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//print "Name DB: $host,$user,$pass,$name<br>";
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// Essai connexion serveur
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$this->db = $this->connect($host, $user, $pass);
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if ($this->db)
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{
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$this->connected = 1;
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$this->ok = 1;
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}
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else
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{
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$this->connected = 0;
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$this->ok = 0;
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}
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// Si connexion serveur ok et si connexion base demandée, on essaie connexion base
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if ($this->connected && $name)
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{
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if ($this->select_db($name) == 1)
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{
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$this->database_selected = 1;
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$this->ok = 1;
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}
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else
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{
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$this->database_selected = 0;
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$this->ok = 0;
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}
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}
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else
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{
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// Pas de selection de base demandée, mais tout est ok
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$this->database_selected = 0;
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$this->ok = 1;
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}
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return $this->ok;
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}
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/**
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* selectionne une database
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*
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* @access public
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* @param string $database
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* @return resource
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*/
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Function select_db($database)
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{
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return mysql_select_db($database, $this->db);
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}
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/**
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* connection vers une database
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*
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* @access public
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* @param string $host
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* @param string $login
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* @param string $passwd
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* @return resource
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*/
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Function connect($host, $login, $passwd)
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{
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$this->db = @mysql_connect($host, $login, $passwd);
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//print "Resultat fonction connect: ".$this->db;
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return $this->db;
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}
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/**
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* création d'une database
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*
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* @access public
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* @param string $database
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* @return integer
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*/
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Function create_db($database)
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{
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if (mysql_create_db ($database, $this->db))
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{
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return 1;
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}
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else
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{
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return 0;
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}
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}
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/**
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* copie d'une database
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*
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* @access public
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* @return resource
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*/
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Function clone()
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{
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$db2 = new DoliDb("", "", "", "", "");
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$db2->db = $this->db;
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return $db2;
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}
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/**
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* ouverture d'une connection vers une database
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*
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* @access public
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* @param string $host
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* @param string $login
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* @param string $passwd
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* @return resource
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*/
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Function pconnect($host, $login, $passwd)
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{
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$this->db = mysql_pconnect($host, $login, $passwd);
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return $this->db;
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}
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/**
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* fermeture d'une connection vers une database
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*
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* @access public
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* @return resource
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*/
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Function close()
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{
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return mysql_close($this->db);
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}
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/**
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* debut d'un transaction
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*
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* @access public
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* @param integer $do
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* @return string
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*/
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Function begin($do=1)
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{
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if ($do)
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{
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return $this->query("BEGIN");
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}
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else
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{
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return 1;
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}
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}
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/**
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* écriture d'un transaction
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*
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* @access public
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* @param integer $do
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* @return string
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*/
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Function commit($do=1)
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{
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if ($do)
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{
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return $this->query("COMMIT");
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}
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else
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{
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return 1;
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}
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}
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/**
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* effacement d'un transaction et retour au ancienne valeurs
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*
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* @access public
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* @param integer $do
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* @return string
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*/
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Function rollback($do=1)
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{
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if ($do)
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{
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return $this->query("ROLLBACK");
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}
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else
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{
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return 1;
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}
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}
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/**
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* requete vers une database
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*
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* @access public
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* @param string $query
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* @param string $limit
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* @param string $offset
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* @return resource
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*/
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Function query($query, $limit="", $offset="")
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{
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$query = trim($query);
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//print "<p>$query</p>\n";
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$this->results = mysql_query($query, $this->db);
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return $this->results;
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}
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/**
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* liste des tables vers une database
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*
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* @access public
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* @param string $database
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* @return resource
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*/
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Function list_tables($database)
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{
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$this->results = mysql_list_tables($database, $this->db);
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return $this->results;
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}
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/**
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* renvoie les données de la requete
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*
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* @access public
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* @param integer $nb
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* @param string $fieldname
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* @return resource
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*/
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Function result($nb, $fieldname)
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{
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return mysql_result($this->results, $nb, $fieldname);
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}
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/**
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* désalloue la memoire de la requete
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*
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* @access public
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* @return resource
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*/
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Function free()
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{
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return mysql_free_result($this->results);
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}
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/**
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* renvoie les données comme un objet
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*
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* @access public
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* @return resource
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*/
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Function fetch_object()
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{
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return mysql_fetch_object($this->results);
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}
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/**
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* défini les limites de la requète
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*
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* @access public
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* @param integer $limit
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* @param integer $offset
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* @return string
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*/
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Function plimit($limit=0,$offset=0)
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{
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if ($offset > 0)
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{
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return " LIMIT $offset,$limit ";
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}
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else
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{
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return " LIMIT $limit ";
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}
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}
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Function pdate($fname)
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{
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return "unix_timestamp($fname)";
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}
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/**
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* formatage de la date en fonction des locales
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*
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* @access public
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* @param integer $fname
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* @return string
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*/
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Function idate($fname)
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{
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return strftime("%Y%m%d%H%M%S",$fname);
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}
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/**
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* renvoie les données dans un tableau
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*
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* @access public
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* @return array
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*/
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Function fetch_array()
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{
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return mysql_fetch_array($this->results);
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}
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/**
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* renvoie les données comme un tableau
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*
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* @access public
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* @return array
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*/
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Function fetch_row()
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{
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return mysql_fetch_row($this->results);
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}
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/**
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* Get column information from a result and return as an object
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*
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* @access public
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* @return object
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*/
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Function fetch_field()
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{
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return mysql_fetch_field($this->results);
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}
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/**
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* renvoie le nombre de lignes dans le resultat de la requete
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*
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* @access public
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* @return int
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*/
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Function num_rows()
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{
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return mysql_num_rows($this->results);
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}
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/**
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* renvoie le nombre de champs dans le resultat de la requete
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*
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* @access public
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* @return int
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*/
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Function num_fields()
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{
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return mysql_num_fields($this->results);
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}
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/**
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* renvoie le texte de l'erreur mysql de l'operation precedente
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*
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* @access public
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* @return string
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*/
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Function error()
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{
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return mysql_error($this->db);
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}
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/**
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* renvoie la valeur numerique de l'erreur mysql de l'operation precedente
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*
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* @access public
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* @return int
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*/
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Function errno()
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{
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// $ERROR_DUPLICATE=1062;
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// $ERROR_TABLEEXISTS=1050;
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return mysql_errno($this->db);
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}
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/**
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* obtient l'id genéré par le précedent INSERT
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*
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* @access public
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* @return int
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*/
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Function last_insert_id()
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{
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return mysql_insert_id();
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}
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/**
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* obtient le nombre de lignes affectées dans la précédente opération
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*
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* @access public
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* @return int
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*/
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Function affected_rows()
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{
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return mysql_affected_rows();
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}
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}
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?>
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