dolibarr/htdocs/product/stock/mouvementstock.class.php
2008-10-23 21:54:30 +00:00

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<?php
/* Copyright (C) 2003-2006 Rodolphe Quiedeville <rodolphe@quiedeville.org>
* Copyright (C) 2005 Laurent Destailleur <eldy@users.sourceforge.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id$
* $Source$
*/
/**
\file htdocs/product/stock/mouvementstock.class.php
\ingroup stock
\brief Fichier de la classe de gestion des mouvements de stocks
\version $Revision$
*/
/**
\class MouvementStock
\brief Classe permettant la gestion des mouvements de stocks
*/
class MouvementStock
{
function MouvementStock($DB)
{
$this->db = $DB;
}
/**
* \brief Add a mouvement in stock (in one direction only)
* \param type Direction of movement: 2=output (stock decrease), 3=input (stock increase)
* \return int <0 if KO, >0 if OK
*/
function _create($user, $fk_product, $entrepot_id, $qty, $type, $price=0)
{
$error = 0;
dolibarr_syslog("MouvementStock::_Create $user->id, $fk_product, $entrepot_id, $qty, $type, $price");
$this->db->begin();
// $nbOfSubproduct=$this->nbOfSubProdcuts();
if (1 == 1) // Always change stock for current product
{
$sql = "INSERT INTO ".MAIN_DB_PREFIX."stock_mouvement";
$sql.= " (datem, fk_product, fk_entrepot, value, type_mouvement, fk_user_author, price)";
$sql.= " VALUES (".$this->db->idate(mktime()).", ".$fk_product.", ".$entrepot_id.", ".$qty.", ".$type.", ".$user->id;
$sql.= ",'".price2num($price)."')";
dolibarr_syslog("MouvementStock::_create sql=".$sql, LOG_DEBUG);
if ($resql = $this->db->query($sql))
{
$mvid = $this->db->last_insert_id($resql);
}
else
{
dolibarr_syslog("MouvementStock::_Create echec insert ".$this->error);
$error = -1;
}
// Get current value of stock
$num = 0;
if ($error == 0)
{
$sql = "SELECT rowid FROM ".MAIN_DB_PREFIX."product_stock";
$sql.= " WHERE fk_entrepot = ".$entrepot_id." AND fk_product = ".$fk_product;
if ($this->db->query($sql))
{
$num = $this->db->num_rows($resql);
$this->db->free($resql);
}
else
{
dolibarr_syslog("MouvementStock::_Create echec update ".$this->error);
$error = -2;
}
}
// Update value
if ($error == 0)
{
if ($num > 0)
{
$sql = "UPDATE ".MAIN_DB_PREFIX."product_stock SET reel = reel + ".$qty;
$sql.= " WHERE fk_entrepot = ".$entrepot_id." AND fk_product = ".$fk_product;
}
else
{
$sql = "INSERT INTO ".MAIN_DB_PREFIX."product_stock";
$sql.= " (reel, fk_entrepot, fk_product) VALUES ";
$sql.= " (".$qty.",".$entrepot_id.",".$fk_product.")";
}
dolibarr_syslog("MouvementStock::_create sql=".$sql, LOG_DEBUG);
if ($this->db->query($sql))
{
}
else
{
dolibarr_syslog("MouvementStock::_Create echec update ".$this->error);
$error = -3;
}
}
if ($error == 0)
{
$valo_mouvement = 0;
$error = $this->CalculateValoPmp($mvid, $fk_product, $qty, $price, $valo_mouvement);
}
if ($error == 0)
{
$error = $this->CalculateEntrepotValoPmp($user, $entrepot_id, $valo_mouvement);
}
}
// Add movement for sub products
$error = $this->_createSubProduct($user, $fk_product, $entrepot_id, $qty, $type, $price=0);
if ($error == 0)
{
$this->db->commit();
return 1;
}
else
{
$this->db->rollback();
$this->error=$this->db->error() . " - $sql";
dolibarr_syslog("MouvementStock::_Create ERROR : ".$this->error);
return -2;
}
}
/**
* \brief Cr<43>e un mouvement en base pour tous les sous-produits
* \return int <0 si ko, 0 si ok
*/
function _createSubProduct($user, $idProduct, $entrepot_id, $qty, $type, $price=0)
{
$error = 0;
$pids = array();
$sql = "SELECT fk_product_pere, fk_product_fils, qty";
$sql.= " FROM ".MAIN_DB_PREFIX."product_association";
$sql.= " WHERE fk_product_pere = ".$idProduct;
dolibarr_syslog("MouvementStock::_createSubProduct sql=".$sql, LOG_DEBUG);
$resql=$this->db->query($sql);
if ($resql)
{
while ($obj=$this->db->fetch_object($resql))
{
$pids[]=$obj->fk_product_fils;
}
$this->db->free($resql);
}
else
{
dolibarr_syslog("MouvementStock::_createSubProduct echec update ".$this->error, LOG_ERROR);
$error = -2;
}
// Create movement for each subproduct
foreach($pids as $pid)
{
$this->_create($user, $pid, $entrepot_id, $qty, $type, $price);
}
return $error;
}
/**
* \brief Calcul ???
* \return int <0 si ko, >0 si ok
*/
function CalculateEntrepotValoPmp($user, $entrepot_id, $valo_mouvement)
{
$error = 0;
dolibarr_syslog("MouvementStock::CalculateEntrepotValoPmp $user->id, $entrepot_id, $valo_mouvement");
if ( $valo_mouvement <> 0 )
{
$entrepot_value_pmp = 0;
if ($error === 0)
{
$sql = "SELECT valo_pmp,".$this->db->pdate("date_calcul")." FROM ".MAIN_DB_PREFIX."entrepot_valorisation";
$sql.= " WHERE fk_entrepot = $entrepot_id ORDER BY date_calcul DESC LIMIT 1;";
if ($this->db->query($sql))
{
while ($row = $this->db->fetch_row($resql) )
{
$entrepot_value_pmp = $row[0];
$entrepot_value_date = $row[1];
}
$this->db->free($resql);
}
else
{
$error = -26;
dolibarr_syslog("MouvementStock::CalculateEntrepotValoPmp ERRORSQL[$error]");
}
}
$new_value = $entrepot_value_pmp + $valo_mouvement;
$now = time();
if ($error === 0)
{
if ( strftime('%Y%m%d',$entrepot_value_date) == strftime('%Y%m%d',$now) )
{
$sql = "UPDATE ".MAIN_DB_PREFIX."entrepot_valorisation";
$sql.= " SET valo_pmp='".ereg_replace(",",".",$new_value)."'";
$sql.= " WHERE fk_entrepot = $entrepot_id ";
$sql.= " AND ".$this->db->pdate("date_calcul")."='".$entrepot_value_date."';";
}
else
{
$sql = "INSERT INTO ".MAIN_DB_PREFIX."entrepot_valorisation";
$sql.= " (date_calcul, fk_entrepot, valo_pmp)";
$sql.= " VALUES (".$this->db->idate(mktime()).", ".$entrepot_id;
$sql.= ",'".ereg_replace(",",".",$new_value)."');";
}
if ($this->db->query($sql))
{
}
else
{
$error = -27;
dolibarr_syslog("MouvementStock::CalculateEntrepotValoPmp ERRORSQL[$error]");
}
}
if ($error === 0)
{
$sql = "UPDATE ".MAIN_DB_PREFIX."entrepot";
$sql.= " SET valo_pmp='".ereg_replace(",",".",$new_value)."'";
$sql.= " WHERE rowid = $entrepot_id ";
if ($this->db->query($sql))
{
}
else
{
$error = -28;
dolibarr_syslog("MouvementStock::CalculateEntrepotValoPmp ERRORSQL[$error]");
}
}
if ($error === 0)
{
return 0;
}
else
{
dolibarr_syslog("MouvementStock::CalculateEntrepotValoPmp RETURN IN ERROR[$error]");
return $error;
}
}
else
{
return 0;
}
}
/**
* \brief ???
* \param mvid int Id du mouvement
* \param fk_product int Id produit
* \param qty float Quantit<69>
* \param price float Prix unitaire du produit
* \param value_ope float Valeur du mouvement en retour
* \return int <0 si ko, 0 si ok
*/
function CalculateValoPmp($mvid, $fk_product, $qty, $price=0, &$value_ope)
{
$error = 0;
dolibarr_syslog("MouvementStock::CalculateValoPmp $mvid, $fk_product, $qty, $price");
if ( $qty <> 0 )
{
$price_pmp = 0;
$qty_stock = 0;
$stock_value_pmp = 0;
if ($error === 0)
{
$sql = "SELECT price_pmp, qty_stock, valo_pmp FROM ".MAIN_DB_PREFIX."stock_valorisation";
$sql.= " WHERE fk_product = $fk_product ORDER BY date_valo DESC LIMIT 1;";
if ($this->db->query($sql))
{
while ($row = $this->db->fetch_row($resql) )
{
$price_pmp = $row[0];
$qty_stock = $row[1];
$stock_value_pmp = $row[2];
}
$this->db->free($resql);
}
else
{
dolibarr_syslog("MouvementStock::CalculateValoPmp ERRORSQL[1] ".$this->error);
$error = -16;
}
}
/*
* Calcul
*/
if ($qty > 0)
{
// on stock
if (($qty + $qty_stock) <> 0)
$new_pmp = ( ($qty * $price) + ($qty_stock * $price_pmp ) ) / ($qty + $qty_stock);
$value_ope = $qty * $price;
$new_stock_qty = $qty_stock + $qty;
$new_stock_value_pmp = $stock_value_pmp + $value_ope;
}
else
{
// on destock
$new_pmp = $price_pmp;
$price = $price_pmp;
$value_ope = $qty * $price_pmp;
}
$new_stock_qty = $qty_stock + $qty;
$new_stock_value_pmp = $stock_value_pmp + $value_ope;
/*
* Fin calcul
*/
if ($error === 0)
{
$sql = "INSERT INTO ".MAIN_DB_PREFIX."stock_valorisation";
$sql.= " (date_valo, fk_product, fk_stock_mouvement, qty_ope, price_ope, valo_ope, price_pmp, qty_stock, valo_pmp)";
$sql.= " VALUES (".$this->db->idate(mktime()).", $fk_product, $mvid";
$sql.= ",'".price2num($qty)."'";
$sql.= ",'".price2num($price)."'";
$sql.= ",'".price2num($value_ope)."'";
$sql.= ",'".price2num($new_pmp)."'";
$sql.= ",'".price2num($new_stock_qty)."'";
$sql.= ",'".price2num($new_stock_value_pmp)."')";
if ($this->db->query($sql))
{
}
else
{
dolibarr_syslog("MouvementStock::CalculateValoPmp ERRORSQL[2] insert ".$this->error);
$error = -17;
}
}
if ($error === 0)
{
return 0;
}
else
{
dolibarr_syslog("MouvementStock::CalculateValoPmp ERROR : $error");
return -21;
}
}
else
{
return 0;
}
}
/**
* \brief Decrease stock for product and subproducts
*
*/
function livraison($user, $fk_product, $entrepot_id, $qty)
{
return $this->_create($user, $fk_product, $entrepot_id, (0 - $qty), 2);
}
/**
* \brief Increase stock for product and subproducts
*
*/
function reception($user, $fk_product, $entrepot_id, $qty, $price=0)
{
return $this->_create($user, $fk_product, $entrepot_id, $qty, 3, $price);
}
/**
* Return nb of subproducts for a product
*
* @param unknown_type $id
* @return unknown
*/
function nbOfSubProdcuts($id)
{
$nbSP=0;
$resql = "SELECT count(*) as nb FROM ".MAIN_DB_PREFIX."product_association";
$resql.= " WHERE fk_product_pere = ".$id;
if ($this->db->query($resql))
{
$obj=$this->db->fetch_object($resql);
$nbSP=$obj->nb;
}
$this->db->free($resql);
return $nbSP;
}
}
?>