<?php
/* Copyright (C) 2003      Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (C) 2004-2005 Destailleur Laurent  <eldy@users.sourceforge.net>
 * Copyright (C) 2006 Andre Cianfarani  <acianfa@free.fr>
 * 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/contrat/contrat.class.php
        \ingroup    contrat
		\brief      Fichier de la classe des contrats
		\version    $Revision$
*/

require_once(DOL_DOCUMENT_ROOT ."/commonobject.class.php");
require_once(DOL_DOCUMENT_ROOT."/product.class.php");


/**
        \class      Contrat
		\brief      Classe permettant la gestion des contrats
*/

class Contrat extends CommonObject
{
    var $db;
	var $element='contrat';
    
    var $id;
    var $ref;
    var $socid;
    var $societe;		// Objet societe

    var $product;

    var $user_author;
    var $user_service;
    var $user_cloture;
    var $date_creation;
    var $date_validation;
    var $date_cloture;
    var $commercial_signature_id;
    var $commercial_suivi_id;

	var $note;
	var $note_public;
	
    var $fk_projet;
        
    var $statuts=array();
    
        
    /**
     *    \brief      Constructeur de la classe
     *    \param      DB          handler accès base de données
     */
    function Contrat($DB)
    {
        global $langs;
        
        $this->db = $DB ;
        $this->product = new Product($DB);
        $this->societe = new Societe($DB);
        $this->user_service = new User($DB);
        $this->user_cloture = new User($DB);
        
        // Statut 0=ouvert, 1=actif, 2=cloturé
        $this->statuts[0]=$langs->trans("Draft");
        $this->statuts[1]=$langs->trans("Validated");
        $this->statuts[2]=$langs->trans("Closed");
    }

    /**
     *      \brief      Active une ligne detail d'un contrat
     *      \param      user        Objet User qui avtice le contrat
     *      \param      line_id     Id de la ligne de detail à activer
     *      \param      date        Date d'ouverture
     *      \param      date_end     Date fin prévue
     *      \return     int         < 0 si erreur, > 0 si ok
     */
    function active_line($user, $line_id, $date, $date_end='')
    {
        global $langs,$conf;
        
        // statut actif : 4
    
        $sql = "UPDATE ".MAIN_DB_PREFIX."contratdet SET statut = 4,";
        $sql.= " date_ouverture = '".$this->db->idate($date)."',";
        if ($date_end) $sql.= " date_fin_validite = '".$this->db->idate($date_end)."',";
        $sql.= " fk_user_ouverture = ".$user->id;
        $sql.= " WHERE rowid = ".$line_id . " AND (statut = 0 OR statut = 3) ";
    
        $resql = $this->db->query($sql);
        if ($resql)
        {
            // Appel des triggers
            include_once(DOL_DOCUMENT_ROOT . "/interfaces.class.php");
            $interface=new Interfaces($this->db);
            $result=$interface->run_triggers('CONTRACT_SERVICE_ACTIVATE',$this,$user,$langs,$conf);
            // Fin appel triggers
    
            return 1;
        }
        else
        {
            $this->error=$this->db->error();
            return -1;
        }
    }
    
    
    /**
     *      \brief      Active une ligne detail d'un contrat
     *      \param      user        Objet User qui avtice le contrat
     *      \param      line_id     Id de la ligne de detail à activer
     *      \param      date_end     Date fin
     *      \return     int         <0 si erreur, >0 si ok
     */
    function close_line($user, $line_id, $date_end)
    {
        global $langs,$conf;
        
        // statut actif : 4
    
        $sql = "UPDATE ".MAIN_DB_PREFIX."contratdet SET statut = 5,";
        $sql.= " date_cloture = '".$this->db->idate($date_end)."',";
        $sql.= " fk_user_cloture = ".$user->id;
        $sql.= " WHERE rowid = ".$line_id . " AND statut = 4";
    
        $resql = $this->db->query($sql) ;
        if ($resql)
        {
            // Appel des triggers
            include_once(DOL_DOCUMENT_ROOT . "/interfaces.class.php");
            $interface=new Interfaces($this->db);
            $result=$interface->run_triggers('CONTRACT_SERVICE_CLOSE',$this,$user,$langs,$conf);
            // Fin appel triggers
    
            return 1;
        }
        else
        {
            $this->error=$this->db->error();
            return -1;
        }
    }
    

    /**
     *    \brief      Cloture un contrat
     *    \param      user      Objet User qui cloture
     *    \param      langs     Environnement langue de l'utilisateur
     *    \param      conf      Environnement de configuration lors de l'opération
     *
     */
    function cloture($user,$langs='',$conf='')
    {
        $sql = "UPDATE ".MAIN_DB_PREFIX."contrat SET statut = 2";
        $sql .= " , date_cloture = now(), fk_user_cloture = ".$user->id;
        $sql .= " WHERE rowid = ".$this->id . " AND statut = 1";
    
        $resql = $this->db->query($sql) ;
        if ($resql)
        {
            $this->use_webcal=($conf->global->PHPWEBCALENDAR_CONTRACTSTATUS=='always'?1:0);
    
            // Appel des triggers
            include_once(DOL_DOCUMENT_ROOT . "/interfaces.class.php");
            $interface=new Interfaces($this->db);
            $result=$interface->run_triggers('CONTRACT_CLOSE',$this,$user,$langs,$conf);
            // Fin appel triggers

            return 1;
        }
        else
        {
            $this->error=$this->db->error();
            return -1;
        }
    }
    
    /**
     *    \brief      Valide un contrat
     *    \param      user      Objet User qui valide
     *    \param      langs     Environnement langue de l'utilisateur
     *    \param      conf      Environnement de configuration lors de l'opération
     */
    function validate($user,$langs,$conf)
    {
        $sql = "UPDATE ".MAIN_DB_PREFIX."contrat SET statut = 1";
        $sql .= " WHERE rowid = ".$this->id . " AND statut = 0";
    
        $resql = $this->db->query($sql) ;
        if ($resql)
        {
            $this->use_webcal=($conf->global->PHPWEBCALENDAR_CONTRACTSTATUS=='always'?1:0);
    
            // Appel des triggers
            include_once(DOL_DOCUMENT_ROOT . "/interfaces.class.php");
            $interface=new Interfaces($this->db);
            $result=$interface->run_triggers('CONTRACT_VALIDATE',$this,$user,$langs,$conf);
            // Fin appel triggers
        
            return 1;
        }
        else
        {
            $this->error=$this->db->error();
            return -1;
        }
    }

    /**
     *    \brief      Annule un contrat
     *    \param      user      Objet User qui annule
     *    \param      langs     Environnement langue de l'utilisateur
     *    \param      conf      Environnement de configuration lors de l'opération
     */
    function annule($user,$langs='',$conf='')
    {
        $sql = "UPDATE ".MAIN_DB_PREFIX."contrat SET statut = 0";
        $sql .= " , date_cloture = now(), fk_user_cloture = ".$user->id;
        $sql .= " WHERE rowid = ".$this->id . " AND statut = 1";
    
        $resql = $this->db->query($sql) ;
        if ($resql)
        {
            $this->use_webcal=($conf->global->PHPWEBCALENDAR_CONTRACTSTATUS=='always'?1:0);
    
            // Appel des triggers
            include_once(DOL_DOCUMENT_ROOT . "/interfaces.class.php");
            $interface=new Interfaces($this->db);
            $result=$interface->run_triggers('CONTRACT_CANCEL',$this,$user,$langs,$conf);
            // Fin appel triggers
        
            return 1;
        }
        else
        {
            $this->error=$this->db->error();
            return -1;
        }
    }
    
    /**
     *    \brief      Chargement depuis la base des données du contrat
     *    \param      id      Id du contrat à charger
     *    \return     int     <0 si ko, id du contrat chargé si ok
     */
    function fetch($id)
    {
        $sql = "SELECT rowid, statut, ref, fk_soc, ".$this->db->pdate("mise_en_service")." as datemise,";
        $sql.= " fk_user_mise_en_service, ".$this->db->pdate("date_contrat")." as datecontrat,";
        $sql.= " fk_user_author,";
        $sql.= " fk_projet,";
        $sql.= " fk_commercial_signature, fk_commercial_suivi,";
        $sql.= " note, note_public";
        $sql.= " FROM ".MAIN_DB_PREFIX."contrat WHERE rowid = $id";
    
        $resql = $this->db->query($sql) ;
 
        if ($resql)
        {
            $result = $this->db->fetch_array($resql);
    
            if ($result)
            {
                $this->id                = $result["rowid"];
                $this->ref               = (!isset($result["ref"]) || !$result["ref"]) ? $result["rowid"] : $result["ref"];
                $this->statut            = $result["statut"];
                $this->factureid         = $result["fk_facture"];
                $this->facturedetid      = $result["fk_facturedet"];
                $this->mise_en_service   = $result["datemise"];
                $this->date_fin_validite = $result["datefin"];
                $this->date_contrat      = $result["datecontrat"];
        
                $this->user_author_id    = $result["fk_user_author"];
        
                $this->commercial_signature_id = $result["fk_commercial_signature"];
                $this->commercial_suivi_id = $result["fk_commercial_suivi"];
        
                $this->user_service->id  = $result["fk_user_mise_en_service"];
                $this->user_cloture->id  = $result["fk_user_cloture"];
    
                $this->note              = $result["note"];
                $this->note_public       = $result["note_public"];

                $this->fk_projet         = $result["fk_projet"];
        
                $this->socid            = $result["fk_soc"];
                $this->societe->fetch($result["fk_soc"]);	// TODO A virer car la societe doit etre chargé par appel de fetch_client()
        
                $this->db->free($resql);
    
                return $this->id;
            }
            else
            {
                dolibarr_syslog("Contrat::Fetch Erreur contrat non trouve");
                $this->error="Contrat non trouve";
                return -2;
            }
        }
        else
        {
            dolibarr_syslog("Contrat::Fetch Erreur lecture contrat");
            $this->error=$this->db->error();
            return -1;
        }
    
    }
    
    /**
     *      \brief      Reinitialise le tableau lignes
     */
    function fetch_lignes()
    {
        $this->lignes = array();
    
        // Selectionne les lignes contrats liées à un produit
        $sql = "SELECT p.label, p.description as product_desc, p.ref,";
        $sql.= " d.rowid, d.statut, d.description, d.price_ht, d.tva_tx, d.qty, d.remise_percent, d.subprice,";
        $sql.= " d.info_bits, d.fk_product,";
        $sql.= " d.date_ouverture_prevue, d.date_ouverture,";
        $sql.= " d.date_fin_validite, d.date_cloture";
        $sql.= " FROM ".MAIN_DB_PREFIX."contratdet as d, ".MAIN_DB_PREFIX."product as p";
        $sql.= " WHERE d.fk_contrat = ".$this->id ." AND d.fk_product = p.rowid";
        $sql.= " ORDER by d.rowid ASC";
        
        dolibarr_syslog("Contrat.class.php::fetch_lignes sql=".$sql);
        $result = $this->db->query($sql);
        if ($result)
        {
            $num = $this->db->num_rows($result);
            $i = 0;
        
            while ($i < $num)
            {
                $objp                  = $this->db->fetch_object($result);
        
                $ligne                 = new ContratLigne();
                $ligne->id             = $objp->rowid;
                $ligne->desc           = $objp->description;  // Description ligne
                $ligne->qty            = $objp->qty;
                $ligne->tva_tx         = $objp->tva_tx;
                $ligne->subprice       = $objp->subprice;
                $ligne->statut 		   = $objp->statut;
                $ligne->remise_percent = $objp->remise_percent;
                $ligne->price          = $objp->price;
                $ligne->fk_product     = $objp->fk_product;
                $ligne->info_bits      = $objp->info_bits;

                $ligne->ref            = $objp->ref;
                $ligne->libelle        = $objp->label;        // Label produit
                $ligne->product_desc   = $objp->product_desc; // Description produit
                    
                $ligne->date_debut_prevue = $objp->date_ouverture_prevue;
                $ligne->date_debut_reel   = $objp->date_ouverture;
                $ligne->date_fin_prevue   = $objp->date_fin_validite;
                $ligne->date_fin_reel     = $objp->date_cloture;
        
                $this->lignes[$i]      = $ligne;
                //dolibarr_syslog("1 ".$ligne->desc);
                //dolibarr_syslog("2 ".$ligne->product_desc);
                $i++;
            }
            $this->db->free($result);
        }
        else
        {
            dolibarr_syslog("Contrat::Fetch Erreur lecture des lignes de contrats liées aux produits");
            return -3;
        }
        
        // Selectionne les lignes contrat liées à aucun produit
        $sql = "SELECT d.rowid, d.statut, d.qty, d.description, d.price_ht, d.subprice, d.tva_tx, d.rowid, d.remise_percent,";
        $sql.= " d.date_ouverture_prevue, d.date_ouverture,";
        $sql.= " d.date_fin_validite, d.date_cloture";
        $sql.= " FROM ".MAIN_DB_PREFIX."contratdet as d";
        $sql.= " WHERE d.fk_contrat = ".$this->id;
        $sql.= " AND (d.fk_product IS NULL OR d.fk_product = 0)";   // fk_product = 0 gardé pour compatibilité

        $result = $this->db->query($sql);
        if ($result)
        {
            $num = $this->db->num_rows($result);
            $j = 0;
        
            while ($j < $num)
            {
                $objp                  = $this->db->fetch_object($result);
                $ligne                 = new ContratLigne();
                $ligne->id 			= $objp->rowid;
                $ligne->libelle        = stripslashes($objp->description);
                $ligne->desc           = stripslashes($objp->description);
                $ligne->qty            = $objp->qty;
                $ligne->statut 		 = $objp->statut;
                $ligne->ref            = $objp->ref;
                $ligne->tva_tx         = $objp->tva_tx;
                $ligne->subprice       = $objp->subprice;
                $ligne->remise_percent = $objp->remise_percent;
                $ligne->price          = $objp->price;
                $ligne->fk_product     = 0;
        
                $ligne->date_debut_prevue = $objp->date_ouverture_prevue;
                $ligne->date_debut_reel   = $objp->date_ouverture;
                $ligne->date_fin_prevue   = $objp->date_fin_validite;
                $ligne->date_fin_reel     = $objp->date_cloture;
        
                $this->lignes[$i]      = $ligne;
                $i++;
                $j++;
            }
        
            $this->db->free($result);
        }
        else
        {
            dolibarr_syslog("Contrat::Fetch Erreur lecture des lignes de contrat non liées aux produits");
            $this->error=$this->db->error();
            return -2;
        }
    
        return $this->lignes;
    }
  
    /**
     *      \brief      Crée un contrat vierge en base
     *      \param      user        Utilisateur qui crée
     *      \param      langs       Environnement langue de l'utilisateur
     *      \param      conf        Environnement de configuration lors de l'opération
     *      \return     int         <0 si erreur, id contrat créé sinon
     */
    function create($user,$langs='',$conf='')
    {
        // Controle validité des paramètres
        $paramsok=1;
        if ($this->commercial_signature_id <= 0)
        {
            $langs->load("commercial");
            $this->error.=$langs->trans("ErrorFieldRequired",$langs->trans("SalesRepresentativeSignature"));
            $paramsok=0;
        }
        if ($this->commercial_suivi_id <= 0)
        {
            $langs->load("commercial");
            $this->error.=($this->error?"<br>":'');
            $this->error.=$langs->trans("ErrorFieldRequired",$langs->trans("SalesRepresentativeFollowUp"));
            $paramsok=0;
        }
        if (! $paramsok) return -1;
        
        $this->db->begin();

        // Insère contrat
        $sql = "INSERT INTO ".MAIN_DB_PREFIX."contrat (datec, fk_soc, fk_user_author, date_contrat";
//        $sql.= ", fk_commercial_signature, fk_commercial_suivi";
        $sql.= " , ref)";
        $sql.= " VALUES (now(),".$this->socid.",".$user->id;
        $sql.= ",".$this->db->idate($this->date_contrat);
//        $sql.= ",".($this->commercial_signature_id>=0?$this->commercial_signature_id:"null");
//        $sql.= ",".($this->commercial_suivi_id>=0?$this->commercial_suivi_id:"null");
		$sql .= ", " . (strlen($this->ref)<=0 ? "null" : "'".$this->ref."'");
        $sql.= ")";
        $resql=$this->db->query($sql);
        if ($resql)
        {
            $error=0;
            
            $this->id = $this->db->last_insert_id(MAIN_DB_PREFIX."contrat");
    
            // Insère contacts commerciaux ('SALESREPSIGN','contrat')
            $result=$this->add_contact($this->commercial_signature_id,'SALESREPSIGN','internal');
            if ($result < 0) $error++;
            
            // Insère contacts commerciaux ('SALESREPFOLL','contrat')
            $result=$this->add_contact($this->commercial_suivi_id,'SALESREPFOLL','internal');
            if ($result < 0) $error++;

            if (! $error)
            {
                // Appel des triggers
                include_once(DOL_DOCUMENT_ROOT . "/interfaces.class.php");
                $interface=new Interfaces($this->db);
                $result=$interface->run_triggers('CONTRACT_CREATE',$this,$user,$langs,$conf);
                if ($result < 0) $error++;
                // Fin appel triggers
        
                if (! $error)
                {
                    $this->db->commit();
                    return $this->id;
                }
                else
                {
                    $this->error=$interface->error;
                    dolibarr_syslog("Contrat::create - 30 - ".$this->error);

                    $this->db->rollback();
                    return -3;
                }
            }
            else
            {
                $this->error="Failed to add contact";
                dolibarr_syslog("Contrat::create - 20 - ".$this->error);

                $this->db->rollback();
                return -2;
            }
        }
        else
        {
            $this->error=$langs->trans("UnknownError: ".$this->db->error()." - sql=".$sql);
            dolibarr_syslog("Contrat::create - 10 - ".$this->error);

            $this->db->rollback();
            return -1;
        }
    }
    

    /**
     *      \brief      Supprime l'objet de la base
     *      \param      user        Utilisateur qui supprime
     *      \param      langs       Environnement langue de l'utilisateur
     *      \param      conf        Environnement de configuration lors de l'opération
     *      \return     int         < 0 si erreur, > 0 si ok
     */
    function delete($user,$langs='',$conf='')
    {
		$error=0;
		
		$this->db->begin();
		
        if (! $error)
        {
			// Delete element_contact
			$sql = "DELETE ec";
			$sql.= " FROM ".MAIN_DB_PREFIX."element_contact as ec, ".MAIN_DB_PREFIX."c_type_contact as tc";
	        $sql.= " WHERE ec.fk_c_type_contact = tc.rowid";
			$sql.= " AND tc.element='".$this->element."'";
			$sql.= " AND ec.element_id=".$this->id;

			dolibarr_syslog("Contrat::delete element_contact sql=".$sql);
	        $resql=$this->db->query($sql);
			if (! $resql)
			{
				$this->error=$this->db->error();
				$error++;
			}
		}
		
        if (! $error)
        {
			// Delete contratdet_log
			$sql = "DELETE cdl";
			$sql.= " FROM ".MAIN_DB_PREFIX."contratdet_log as cdl, ".MAIN_DB_PREFIX."contratdet as cd";
	        $sql.= " WHERE cdl.fk_contratdet=cd.rowid AND cd.fk_contrat=".$this->id;

			dolibarr_syslog("Contrat::delete contratdet_log sql=".$sql);
	        $resql=$this->db->query($sql);
			if (! $resql)
			{
				$this->error=$this->db->error();
				$error++;
			}
		}
		
        if (! $error)
        {
			// Delete contratdet
			$sql = "DELETE FROM ".MAIN_DB_PREFIX."contratdet";
	        $sql.= " WHERE fk_contrat=".$this->id;

			dolibarr_syslog("Contrat::delete contratdet sql=".$sql);
	        $resql=$this->db->query($sql);
			if (! $resql)
			{
				$this->error=$this->db->error();
				$error++;
			}
		}
		
        if (! $error)
        {
			// Delete contrat
			$sql = "DELETE FROM ".MAIN_DB_PREFIX."contrat";
	        $sql.= " WHERE rowid=".$this->id;
	        
			dolibarr_syslog("Contrat::delete contrat sql=".$sql);
	        $resql=$this->db->query($sql);
			if (! $resql)
			{
				$this->error=$this->db->error();
				$error++;
			}
		}
		
		if (! $error)
	    {
			// Appel des triggers
			include_once(DOL_DOCUMENT_ROOT . "/interfaces.class.php");
			$interface=new Interfaces($this->db);
			$result=$interface->run_triggers('CONTRACT_DELETE',$this,$user,$langs,$conf);
			// Fin appel triggers
	
			$this->db->commit();
			return 1;
        }
		else
	    {
			$this->error=$this->db->error();
			dolibarr_syslog("Contrat::delete ERROR ".$this->error);
			$this->db->rollback();
			return -1;
		}
	}

    
    /**
     *      \brief      Ajoute une ligne de contrat en base
     *      \param      desc            Description de la ligne
     *      \param      pu              Prix unitaire
     *      \param      qty             Quantité
     *      \param      txtva           Taux tva
     *      \param      fk_product      Id produit
     *      \param      remise_percent  Pourcentage de remise de la ligne
     *      \param      date_start      Date de debut prévue
     *      \param      date_end        Date de fin prévue
     *      \return     int             <0 si erreur, >0 si ok
     */
    function addline($desc, $pu, $qty, $txtva, $fk_product=0, $remise_percent=0, $date_start, $date_end)
    {
        global $langs;
		global $conf;
        
		// Nettoyage parametres
		if (! $txtva) $txtva=0;
		
        dolibarr_syslog("Contrat::addline $desc, $pu, $qty, $txtva, $fk_product, $remise_percent, $date_start, $date_end");

        if ($this->statut == 0)
        {
            $qty = price2num($qty);
            $pu = price2num($pu);
            
            if ($fk_product > 0)
            {
                $prod = new Product($this->db, $fk_product);
                if ($prod->fetch($fk_product) > 0)
                {
                    $label = $prod->libelle;
					// multiprix
					if($conf->global->PRODUIT_MULTIPRICES == 1)
						$pu = $prod->multiprices[$this ->societe->price_level];
					else
                    	$pu    = $prod->price;
                    $txtva = $prod->tva_tx;
                }
            }
            
            $remise = 0;
            $price = price2num(round($pu, 2));
            $subprice = $price;
            if (strlen($remise_percent) > 0)
            {
                $remise = round(($pu * $remise_percent / 100), 2);
                $price = $pu - $remise;
            }
            
            // Insertion dans la base
            $sql = "INSERT INTO ".MAIN_DB_PREFIX."contratdet";
            $sql.= " (fk_contrat, label, description, fk_product, price_ht, qty, tva_tx,";
            $sql.= " remise_percent, subprice, remise";
            if ($date_start > 0) { $sql.= ",date_ouverture_prevue"; }
            if ($date_end > 0)  { $sql.= ",date_fin_validite"; }
            $sql.= ") VALUES ($this->id, '" . addslashes($label) . "','" . addslashes($desc) . "',";
            $sql.= ($fk_product>0 ? $fk_product : "null");
            $sql.= ",".price2num($price).", '$qty', ";
			$sql.= $txtva.",";
			$sql.= $remise_percent.",'".price2num($subprice)."','".price2num( $remise)."'";
            if ($date_start > 0) { $sql.= ",".$this->db->idate($date_start); }
            if ($date_end > 0) { $sql.= ",".$this->db->idate($date_end); }
            $sql.= ");";
            
            if ( $this->db->query($sql) )
            {
                $this->update_price();
                return 1;
            }
            else
            {
				$this->error=$this->db->error()." sql=".$sql;
                dolibarr_syslog("Contrat::addline ".$this->error);
                return -1;
            }
        }
        else
        {
            return -2;
        }
    }

    /**
     *      \brief     Mets à jour une ligne de contrat
     *      \param     rowid            Id de la ligne de facture
     *      \param     desc             Description de la ligne
     *      \param     pu               Prix unitaire
     *      \param     qty              Quantité
     *      \param     remise_percent   Pourcentage de remise de la ligne
     *      \param     date_start       Date de debut prévue
     *      \param     date_end         Date de fin prévue
     *      \param     tvatx            Taux TVA
     *      \param     date_debut_reel  Date de debut réelle
     *      \param     date_fin_reel    Date de fin réelle
     *      \return    int              < 0 si erreur, > 0 si ok
     */
    function updateline($rowid, $desc, $pu, $qty, $remise_percent=0,
         $date_start='', $date_end='', $tvatx,
         $date_debut_reel='', $date_fin_reel='')
    {
        // Nettoyage parametres
        $qty=trim($qty);
        $desc=trim($desc);
        $desc=trim($desc);
        $price = price2num($pu);
        $tvatx = price2num($tvatx);
        $subprice = $price;
        $remise = 0;
        if (strlen($remise_percent) > 0)
        {
            $remise = round(($pu * $remise_percent / 100), 2);
            $price = $pu - $remise;
        }
        else
        {
            $remise_percent=0;
        }

        dolibarr_syslog("Contrat::UpdateLine $rowid, $desc, $pu, $qty, $remise_percent, $date_start, $date_end, $tvatx");
    
        $this->db->begin();

        $sql = "UPDATE ".MAIN_DB_PREFIX."contratdet set description='".addslashes($desc)."'";
        $sql .= ",price_ht='" .     price2num($price)."'";
        $sql .= ",subprice='" .     price2num($subprice)."'";
        $sql .= ",remise='" .       price2num($remise)."'";
        $sql .= ",remise_percent='".price2num($remise_percent)."'";
        $sql .= ",qty='$qty'";
        $sql .= ",tva_tx='".        price2num($tvatx)."'";

        if ($date_start > 0) { $sql.= ",date_ouverture_prevue=".$this->db->idate($date_start); }
        else { $sql.=",date_ouverture_prevue=null"; }
        if ($date_end > 0) { $sql.= ",date_fin_validite=".$this->db->idate($date_end); }
        else { $sql.=",date_fin_validite=null"; }
        if ($date_debut_reel > 0) { $sql.= ",date_ouverture=".$this->db->idate($date_debut_reel); }
        else { $sql.=",date_ouverture=null"; }
        if ($date_fin_reel > 0) { $sql.= ",date_cloture=".$this->db->idate($date_fin_reel); }
        else { $sql.=",date_cloture=null"; }
        
        $sql .= " WHERE rowid = $rowid ;";

        $result = $this->db->query($sql);
        if ($result)
        {
            $this->update_price();

            $this->db->commit();

            return 1;
        }
        else
        {
            $this->db->rollback();
            $this->error=$this->db->error();
            dolibarr_syslog("Contrat::UpdateLigne Erreur -1");

            return -1;
        }
    }
    
    /**
     *      \brief      Supprime une ligne de detail
     *      \param      idligne     Id de la ligne detail à supprimer
     *      \return     int         >0 si ok, <0 si ko
     */
    function delete_line($idligne)
    {
        if ($this->statut == 0)
        {
            $sql = "DELETE FROM ".MAIN_DB_PREFIX."contratdet WHERE rowid =".$idligne;
        
            if ($this->db->query($sql) )
            {
                $this->update_price();
        
                return 1;
            }
            else
            {
                return -1;
            }
        }
        else
        {
            return -2;
        }
    }


    /**
     *      \brief      Mets à jour le prix total du contrat
     */
    function update_price()
    {
        include_once DOL_DOCUMENT_ROOT . "/lib/price.lib.php";
    
        /*
         *  Liste des produits a ajouter
         */
        $sql = "SELECT price_ht, qty, tva_tx";
        $sql.= " FROM ".MAIN_DB_PREFIX."contratdet";
        $sql.= " WHERE fk_contrat = ".$this->id;
        $resql=$this->db->query($sql);
        if ($resql)
        {
            $num = $this->db->num_rows($resql);
            $i = 0;
    
            while ($i < $num)
            {
                $obj = $this->db->fetch_object($resql);
                $products[$i][0] = $obj->price_ht;
                $products[$i][1] = $obj->qty;
                $products[$i][2] = $obj->tva_tx;
                $i++;
            }
        }
        else
        {
            $this->error=$this->db->error();
            return -1;
        }
        $calculs = calcul_price($products, $this->remise_percent);
    
        $this->remise         = $calculs[3];
        $this->total_ht       = $calculs[0];
        $this->total_tva      = $calculs[1];
        $this->total_ttc      = $calculs[2];
    }
    

    /**
     *      \brief     Classe le contrat dans un projet
     *      \param     projid       Id du projet dans lequel classer le contrat
     */
    function classin($projid)
    {
        $sql = "UPDATE ".MAIN_DB_PREFIX."contrat";
        if ($projid) $sql.= " SET fk_projet = $projid";
        else $sql.= " SET fk_projet = NULL";
        $sql.= " WHERE rowid = ".$this->id;

        if ($this->db->query($sql))
        {
            return 1;
        }
        else
        {
            dolibarr_print_error($this->db);
            return -1;
        }
    }


	/**
 	 *    \brief      Mets à jour les commentaires privés
	 *    \param      note        	Commentaire
	 *    \return     int         	<0 si ko, >0 si ok
	 */
	function update_note($note)
	{
		$sql = 'UPDATE '.MAIN_DB_PREFIX.'contrat';
		$sql.= " SET note = '".addslashes($note)."'";
		$sql.= " WHERE rowid =". $this->id;

		if ($this->db->query($sql))
		{
			$this->note = $note;
			return 1;
		}
		else
		{
            $this->error=$this->db->error();
			return -1;
		}
	}

	/**
 	 *    \brief      Mets à jour les commentaires publiques
	 *    \param      note_public	Commentaire
	 *    \return     int         	<0 si ko, >0 si ok
	 */
	function update_note_public($note_public)
	{
		$sql = 'UPDATE '.MAIN_DB_PREFIX.'contrat';
		$sql.= " SET note_public = '".addslashes($note_public)."'";
		$sql.= " WHERE rowid =". $this->id;

		if ($this->db->query($sql))
		{
			$this->note_public = $note_public;
			return 1;
		}
		else
		{
            $this->error=$this->db->error();
			return -1;
		}
	}
	

	/**
	 *    	\brief      Retourne le libellé du statut du contrat
	 *    	\param      mode          	0=libellé long, 1=libellé court, 2=Picto + Libellé court, 3=Picto, 4=Picto + Libellé long, 5=Libellé court + Picto
   	 *    	\return     string      	Libellé
   	 */
    function getLibStatut($mode)
    {
		return $this->LibStatut($this->statut,$mode);
    }

	/**
   	 *    	\brief      Renvoi le libellé d'un statut donné
   	 *    	\param      statut      	id statut
	 *    	\param      mode          	0=libellé long, 1=libellé court, 2=Picto + Libellé court, 3=Picto, 4=Picto + Libellé long, 5=Libellé court + Picto
   	 *		\return     string      	Libellé
   	 */
    function LibStatut($statut,$mode)
    {
        global $langs;
        $langs->load("contracts");
		if ($mode == 0)
		{
	        if ($statut == 0) { return $langs->trans("ContractStatusDraft"); }
	        if ($statut == 1) { return $langs->trans("ContractStatusValidated"); }
	        if ($statut == 2) { return $langs->trans("ContractStatusClosed"); }
		}
		if ($mode == 1)
		{
	        if ($statut == 0) { return $langs->trans("ContractStatusDraft"); }
	        if ($statut == 1) { return $langs->trans("ContractStatusValidated"); }
	        if ($statut == 2) { return $langs->trans("ContractStatusClosed"); }
		}
		if ($mode == 2)
		{
	        if ($statut == 0) { return img_picto($langs->trans('ContractStatusDraft'),'statut0').' '.$langs->trans("ContractStatusDraft"); }
	        if ($statut == 1) { return img_picto($langs->trans('ContractStatusValidated'),'statut4').' '.$langs->trans("ContractStatusValidated"); }
	        if ($statut == 2) { return img_picto($langs->trans('ContractStatusClosed'),'statut6').' '.$langs->trans("ContractStatusClosed"); }
		}
		if ($mode == 3)
		{
	        if ($statut == 0) { return img_picto($langs->trans('ContractStatusDraft'),'statut0'); }
	        if ($statut == 1) { return img_picto($langs->trans('ContractStatusValidated'),'statut4'); }
	        if ($statut == 2) { return img_picto($langs->trans('ContractStatusClosed'),'statut6'); }
		}
		if ($mode == 4)
		{
	        if ($statut == 0) { return img_picto($langs->trans('ContractStatusDraft'),'statut0').' '.$langs->trans("ContractStatusDraft"); }
	        if ($statut == 1) { return img_picto($langs->trans('ContractStatusValidated'),'statut4').' '.$langs->trans("ContractStatusValidated"); }
	        if ($statut == 2) { return img_picto($langs->trans('ContractStatusClosed'),'statut6').' '.$langs->trans("ContractStatusClosed"); }
		}
		if ($mode == 5)
		{
	        if ($statut == 0) { return $langs->trans("ContractStatusDraft").' '.img_picto($langs->trans('ContractStatusDraft'),'statut0'); }
	        if ($statut == 1) { return $langs->trans("ContractStatusValidated").' '.img_picto($langs->trans('ContractStatusValidated'),'statut4'); }
	        if ($statut == 2) { return $langs->trans("ContractStatusClosed").' '.img_picto($langs->trans('ContractStatusClosed'),'statut6'); }
		}
    }


   /*
    *       \brief     Charge les informations d'ordre info dans l'objet contrat
    *       \param     id     id du contrat a charger
    */
    function info($id)
    {
        $sql = "SELECT c.rowid, c.ref, ".$this->db->pdate("datec")." as datec, ".$this->db->pdate("date_cloture")." as date_cloture,";
        $sql.= $this->db->pdate("c.tms")." as date_modification,";
        $sql.= " fk_user_author, fk_user_cloture";
        $sql.= " FROM ".MAIN_DB_PREFIX."contrat as c";
        $sql.= " WHERE c.rowid = ".$id;

        $result=$this->db->query($sql);
        if ($result)
        {
            if ($this->db->num_rows($result))
            {
                $obj = $this->db->fetch_object($result);

                $this->id = $obj->rowid;

                if ($obj->fk_user_author) {
                    $cuser = new User($this->db, $obj->fk_user_author);
                    $cuser->fetch();
                    $this->user_creation     = $cuser;
                }

                if ($obj->fk_user_cloture) {
                    $cuser = new User($this->db, $obj->fk_user_cloture);
                    $cuser->fetch();
                    $this->user_cloture = $cuser;
                }
			    $this->ref			     = (! $obj->ref) ? $obj->rowid : $obj->ref;
                $this->date_creation     = $obj->datec;
                $this->date_modification = $obj->date_modification;
                $this->date_cloture      = $obj->date_cloture;
            }

            $this->db->free($result);

        }
        else
        {
            dolibarr_print_error($this->db);
        }
    }
 
 
    /** 
     *    \brief      Récupère les lignes de detail du contrat
     *    \param      statut      Statut des lignes detail à récupérer
     *    \return     array       Tableau des lignes de details
     */
    function array_detail($statut=-1)
    {
        $tab=array();
        
        $sql = "SELECT cd.rowid";
        $sql.= " FROM ".MAIN_DB_PREFIX."contratdet as cd";
        $sql.= " WHERE fk_contrat =".$this->id;
        if ($statut >= 0) $sql.= " AND statut = '$statut'";
   
        $resql=$this->db->query($sql);
        if ($resql)
        {
            $num=$this->db->num_rows($resql);
            $i=0;
            while ($i < $num)
            {
                $obj = $this->db->fetch_object($resql);
                $tab[$i]=$obj->rowid;
                $i++;
            }
            return $tab;
        }
        else
        {
            $this->error=$this->db->error();
            return -1;
        }
    }


    /**
     *      \brief      Charge indicateurs this->nbtodo et this->nbtodolate de tableau de bord
     *      \param      user        Objet user
     *      \param      mode        "inactive" pour services à activer, "expired" pour services expirés
     *      \return     int         <0 si ko, >0 si ok
     */
    function load_board($user,$mode)
    {
        global $conf, $user;
        
        $this->nbtodo=$this->nbtodolate=0;
        if ($mode == 'inactives')
        {
            $sql = "SELECT cd.rowid,".$this->db->pdate("cd.date_ouverture_prevue")." as datefin";
            if (!$user->rights->commercial->client->voir && !$user->societe_id) $sql .= ", sc.fk_soc, sc.fk_user";
            $sql.= " FROM ".MAIN_DB_PREFIX."contrat as c, ".MAIN_DB_PREFIX."contratdet as cd";
            if (!$user->rights->commercial->client->voir && !$user->societe_id) $sql .= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc";
            $sql.= " WHERE c.statut = 1 AND c.rowid = cd.fk_contrat";
            $sql.= " AND cd.statut = 0";
        }
        if ($mode == 'expired')
        {
            $sql = "SELECT cd.rowid,".$this->db->pdate("cd.date_fin_validite")." as datefin";
            if (!$user->rights->commercial->client->voir && !$user->societe_id) $sql .= ", sc.fk_soc, sc.fk_user";
            $sql.= " FROM ".MAIN_DB_PREFIX."contrat as c, ".MAIN_DB_PREFIX."contratdet as cd";
            if (!$user->rights->commercial->client->voir && !$user->societe_id) $sql .= ", ".MAIN_DB_PREFIX."societe_commerciaux as sc";
            $sql.= " WHERE c.statut = 1 AND c.rowid = cd.fk_contrat";
            $sql.= " AND cd.statut = 4";
            $sql.= " AND cd.date_fin_validite < '".$this->db->idate(time())."'";
        }
        if ($user->societe_id) $sql.=" AND c.fk_soc = ".$user->societe_id;
        if (!$user->rights->commercial->client->voir && !$user->societe_id) $sql .= " AND c.fk_soc = sc.fk_soc AND sc.fk_user = " .$user->id;
        $resql=$this->db->query($sql);
        if ($resql)
        {
            while ($obj=$this->db->fetch_object($resql))
            {
                $this->nbtodo++;
                if ($mode == 'inactives')
                    if ($obj->datefin && $obj->datefin < (time() - $conf->contrat->services->inactifs->warning_delay)) $this->nbtodolate++;
                if ($mode == 'expired')
                    if ($obj->datefin && $obj->datefin < (time() - $conf->contrat->services->expires->warning_delay)) $this->nbtodolate++;
            }
            return 1;
        }
        else 
        {
            dolibarr_print_error($this->db);
            $this->error=$this->db->error();
            return -1;
        }
    }


    /* gestion des contacts d'un contrat */
	 		
    /**
     *      \brief      Retourne id des contacts clients de facturation
     *      \return     array       Liste des id contacts facturation
     */   
    function getIdBillingContact()
    {
        return $this->getIdContact('external','BILLING');
    }

    /**
     *      \brief      Retourne id des contacts clients de prestation
     *      \return     array       Liste des id contacts prestation
     */   
    function getIdServiceContact()
    {
        return $this->getIdContact('external','SERVICE');
    }
    
}


/**
        \class      ContratLigne
		\brief      Classe permettant la gestion des lignes de contrats
*/

class ContratLigne  
{
    var $id;
    var $desc;
    var $libelle;
    var $product_desc;
    var $qty;
    var $ref;
    var $tva_tx;
    var $subprice;
    var $remise_percent;
    var $price;
    var $fk_product;
                
    var $statut;  
    var $date_debut_prevue;
    var $date_debut_reel;
    var $date_fin_prevue;
    var $date_fin_reel;

    function ContratLigne()
    {
    }
    
    function is_activated()
    {
    		return $this->statut == 4 ;
    }
    
	/**
	 *    \brief      Retourne le libellé du statut du contrat
	 *    \param      mode          0=libellé long, 1=libellé court, 2=Picto + Libellé court, 3=Picto
   	 *    \return     string      	Libellé
   	 */
    function getLibStatut($mode)
    {
		return $this->LibStatut($this->statut,$mode);
    }

	/**
   	 *    \brief      Renvoi le libellé d'un statut donné
   	 *    \param      statut      	id statut
	 *    \param      mode          0=libellé long, 1=libellé court, 2=Picto + Libellé court, 3=Picto
   	 *    \return     string      	Libellé
   	 */
    function LibStatut($statut,$mode)
    {
        global $langs;
        $langs->load("contracts");
		if ($mode == 0)
		{
	        if ($statut == 0) { return $langs->trans("ServiceStatusInitial"); }
	        if ($statut == 4) { return $langs->trans("ServiceStatusRunning"); }
	        if ($statut == 5) { return $langs->trans("ServiceStatusClosed");  }
		}
		if ($mode == 1)
		{
	        if ($statut == 0) { return $langs->trans("ServiceStatusInitial"); }
	        if ($statut == 4) { return $langs->trans("ServiceStatusRunning"); }
	        if ($statut == 5) { return $langs->trans("ServiceStatusClosed");  }
		}
		if ($mode == 2)
		{
	        if ($statut == 0) { return img_picto($langs->trans('ServiceStatusInitial'),'statut0').' '.$langs->trans("ServiceStatusInitial"); }
	        if ($statut == 4) { return img_picto($langs->trans('ServiceStatusRunning'),'statut4').' '.$langs->trans("ServiceStatusRunning"); }
	        if ($statut == 5) { return img_picto($langs->trans('ServiceStatusClosed'),'statut6') .' '.$langs->trans("ServiceStatusClosed"); }
		}
		if ($mode == 3)
		{
	        if ($statut == 0) { return img_picto($langs->trans('ServiceStatusInitial'),'statut0'); }
	        if ($statut == 4) { return img_picto($langs->trans('ServiceStatusRunning'),'statut4'); }
	        if ($statut == 5) { return img_picto($langs->trans('ServiceStatusClosed'),'statut6'); }
		}
		if ($mode == 4)
		{
	        if ($statut == 0) { return img_picto($langs->trans('ServiceStatusInitial'),'statut0').' '.$langs->trans("ServiceStatusInitial"); }
	        if ($statut == 4) { return img_picto($langs->trans('ServiceStatusRunning'),'statut4').' '.$langs->trans("ServiceStatusRunning"); }
	        if ($statut == 5) { return img_picto($langs->trans('ServiceStatusClosed'),'statut6') .' '.$langs->trans("ServiceStatusClosed"); }
		}
		if ($mode == 5)
		{
	        if ($statut == 0) { return $langs->trans("ServiceStatusInitial").' '.img_picto($langs->trans('ServiceStatusInitial'),'statut0'); }
	        if ($statut == 4) { return $langs->trans("ServiceStatusRunning").' '.img_picto($langs->trans('ServiceStatusRunning'),'statut4'); }
	        if ($statut == 5) { return $langs->trans("ServiceStatusClosed").' '.img_picto($langs->trans('ServiceStatusClosed'),'statut6'); }
		}
    }    

}


?>