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dolibarr/htdocs/lib/price.lib.php
2008-03-18 23:24:24 +00:00

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3.8 KiB
PHP

<?php
/* Copyright (C) 2002-2006 Rodolphe Quiedeville <rodolphe@quiedeville.org>
* Copyright (C) 2006-2008 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.
*/
/**
\file htdocs/lib/price.lib.php
\brief Librairie contenant les fonctions pour calculer un prix.
\author Rodolphe Quiedeville.
\version $Id$
*/
/**
\brief Permet de calculer les parts total HT, TVA et TTC d'une ligne de
facture, propale, commande ou autre depuis:
quantity, unit price, remise_percent_ligne, txtva, remise_percent_global
\param qty Quantity
\param pu Prix unitaire (HT ou TTC selon price_base_type)
\param remise_percent_ligne Remise ligne
\param txtva Taux tva
\param remise_percent_global 0
\param price_base_type HT=on calcule sur le HT, TTC=on calcule sur le TTC
\param info_bits Miscellanous informations on line
\return result[0,1,2,3,4,5] (total_ht, total_tva, total_ttc, pu_ht, pu_tva, pu_ttc)
*/
function calcul_price_total($qty, $pu, $remise_percent_ligne, $txtva, $remise_percent_global=0, $price_base_type='HT', $info_bits=0)
{
global $conf;
$result=array();
//dolibarr_syslog("price.lib::calcul_price_total $qty, $pu, $remise_percent_ligne, $txtva, $price_base_type $info_bits");
if ($price_base_type == 'HT')
{
// On travaille par defaut en partant du prix HT
$tot_sans_remise = $pu * $qty;
$tot_avec_remise_ligne = $tot_sans_remise * ( 1 - ($remise_percent_ligne / 100));
$tot_avec_remise = $tot_avec_remise_ligne * ( 1 - ($remise_percent_global / 100));
$result[0] = price2num($tot_avec_remise, 'MT');
$result[2] = price2num($tot_avec_remise * ( 1 + ( (($info_bits & 1)?0:$txtva) / 100)), 'MT'); // Selon TVA NPR ou non
$result2bis= price2num($tot_avec_remise * ( 1 + ( $txtva / 100)), 'MT'); // Si TVA consideree normale (non NPR)
$result[1] = $result2bis - $result[0];
$result[3] = price2num($pu, 'MU');
$result[5] = price2num($pu * ( 1 + ((($info_bits & 1)?0:$txtva) / 100)), 'MU'); // Selon TVA NPR ou non
$result5bis= price2num($pu * ( 1 + ($txtva / 100)), 'MU'); // Si TVA consideree normale (non NPR)
$result[4] = $result5bis - $result[3];
}
else
{
// On cacule a l'envers en partant du prix TTC
// Utilise pour les produits a prix TTC reglemente (livres, ...)
$tot_sans_remise = $pu * $qty;
$tot_avec_remise_ligne = $tot_sans_remise * ( 1 - ($remise_percent_ligne / 100));
$tot_avec_remise = $tot_avec_remise_ligne * ( 1 - ($remise_percent_global / 100));
$result[2] = price2num($tot_avec_remise, 'MT');
$result[0] = price2num($tot_avec_remise / ( 1 + ((($info_bits & 1)?0:$txtva) / 100)), 'MT'); // Selon TVA NPR ou non
$result0bis= price2num($tot_avec_remise / ( 1 + ($txtva / 100)), 'MT'); // Si TVA consideree normale (non NPR)
$result[1] = $result[2] - $result0bis;
$result[5] = price2num($pu, 'MU');
$result[3] = price2num($pu / ( 1 + ((($info_bits & 1)?0:$txtva) / 100)), 'MU'); // Selon TVA NPR ou non
$result3bis= price2num($pu / ( 1 + ($txtva / 100)), 'MU'); // Si TVA consideree normale (non NPR)
$result[4] = $result[5] - $result3bis;
}
return $result;
}